Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Memory-access and commands for "inferior" process, for GDB. |
b6ba6518 | 2 | Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, |
de5ad195 | 3 | 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 |
c906108c SS |
4 | Free Software Foundation, Inc. |
5 | ||
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
22 | |
23 | #include "defs.h" | |
24 | #include <signal.h> | |
25 | #include "gdb_string.h" | |
26 | #include "symtab.h" | |
27 | #include "gdbtypes.h" | |
28 | #include "frame.h" | |
29 | #include "inferior.h" | |
30 | #include "environ.h" | |
31 | #include "value.h" | |
32 | #include "gdbcmd.h" | |
1adeb98a | 33 | #include "symfile.h" |
c906108c SS |
34 | #include "gdbcore.h" |
35 | #include "target.h" | |
36 | #include "language.h" | |
37 | #include "symfile.h" | |
38 | #include "objfiles.h" | |
c94fdfd0 | 39 | #include "completer.h" |
8b93c638 | 40 | #include "ui-out.h" |
6426a772 | 41 | #include "event-top.h" |
96baa820 | 42 | #include "parser-defs.h" |
36160dc4 | 43 | #include "regcache.h" |
f9418c0f | 44 | #include "reggroups.h" |
fe898f56 | 45 | #include "block.h" |
f9418c0f | 46 | #include <ctype.h> |
92ad9cd9 | 47 | #include "gdb_assert.h" |
72cec141 | 48 | |
a58dd373 | 49 | /* Functions exported for general use, in inferior.h: */ |
c906108c | 50 | |
a14ed312 | 51 | void all_registers_info (char *, int); |
c906108c | 52 | |
a14ed312 | 53 | void registers_info (char *, int); |
c906108c | 54 | |
a58dd373 EZ |
55 | void nexti_command (char *, int); |
56 | ||
57 | void stepi_command (char *, int); | |
c906108c | 58 | |
a14ed312 | 59 | void continue_command (char *, int); |
c906108c | 60 | |
a58dd373 EZ |
61 | void interrupt_target_command (char *args, int from_tty); |
62 | ||
63 | /* Local functions: */ | |
64 | ||
65 | static void nofp_registers_info (char *, int); | |
66 | ||
11cf8741 JM |
67 | static void print_return_value (int struct_return, struct type *value_type); |
68 | ||
a14ed312 | 69 | static void finish_command_continuation (struct continuation_arg *); |
43ff13b4 | 70 | |
a14ed312 | 71 | static void until_next_command (int); |
c906108c | 72 | |
a14ed312 | 73 | static void until_command (char *, int); |
c906108c | 74 | |
a14ed312 | 75 | static void path_info (char *, int); |
c906108c | 76 | |
a14ed312 | 77 | static void path_command (char *, int); |
c906108c | 78 | |
a14ed312 | 79 | static void unset_command (char *, int); |
c906108c | 80 | |
a14ed312 | 81 | static void float_info (char *, int); |
c906108c | 82 | |
a14ed312 | 83 | static void detach_command (char *, int); |
c906108c | 84 | |
6ad8ae5c DJ |
85 | static void disconnect_command (char *, int); |
86 | ||
a14ed312 | 87 | static void unset_environment_command (char *, int); |
c906108c | 88 | |
a14ed312 | 89 | static void set_environment_command (char *, int); |
c906108c | 90 | |
a14ed312 | 91 | static void environment_info (char *, int); |
c906108c | 92 | |
a14ed312 | 93 | static void program_info (char *, int); |
c906108c | 94 | |
a14ed312 | 95 | static void finish_command (char *, int); |
c906108c | 96 | |
a14ed312 | 97 | static void signal_command (char *, int); |
c906108c | 98 | |
a14ed312 | 99 | static void jump_command (char *, int); |
c906108c | 100 | |
a14ed312 | 101 | static void step_1 (int, int, char *); |
c2d11a7d JM |
102 | static void step_once (int skip_subroutines, int single_inst, int count); |
103 | static void step_1_continuation (struct continuation_arg *arg); | |
c906108c | 104 | |
a14ed312 | 105 | static void next_command (char *, int); |
c906108c | 106 | |
a14ed312 | 107 | static void step_command (char *, int); |
c906108c | 108 | |
a14ed312 | 109 | static void run_command (char *, int); |
c906108c | 110 | |
a14ed312 | 111 | static void run_no_args_command (char *args, int from_tty); |
392a587b | 112 | |
a14ed312 | 113 | static void go_command (char *line_no, int from_tty); |
392a587b | 114 | |
a14ed312 | 115 | static int strip_bg_char (char **); |
43ff13b4 | 116 | |
a14ed312 | 117 | void _initialize_infcmd (void); |
c906108c SS |
118 | |
119 | #define GO_USAGE "Usage: go <location>\n" | |
120 | ||
c906108c SS |
121 | #define ERROR_NO_INFERIOR \ |
122 | if (!target_has_execution) error ("The program is not being run."); | |
123 | ||
124 | /* String containing arguments to give to the program, separated by spaces. | |
125 | Empty string (pointer to '\0') means no args. */ | |
126 | ||
127 | static char *inferior_args; | |
128 | ||
552c04a7 TT |
129 | /* The inferior arguments as a vector. If INFERIOR_ARGC is nonzero, |
130 | then we must compute INFERIOR_ARGS from this (via the target). */ | |
131 | ||
132 | static int inferior_argc; | |
133 | static char **inferior_argv; | |
134 | ||
c906108c SS |
135 | /* File name for default use for standard in/out in the inferior. */ |
136 | ||
137 | char *inferior_io_terminal; | |
138 | ||
139 | /* Pid of our debugged inferior, or 0 if no inferior now. | |
140 | Since various parts of infrun.c test this to see whether there is a program | |
141 | being debugged it should be nonzero (currently 3 is used) for remote | |
142 | debugging. */ | |
143 | ||
39f77062 | 144 | ptid_t inferior_ptid; |
c906108c SS |
145 | |
146 | /* Last signal that the inferior received (why it stopped). */ | |
147 | ||
148 | enum target_signal stop_signal; | |
149 | ||
150 | /* Address at which inferior stopped. */ | |
151 | ||
152 | CORE_ADDR stop_pc; | |
153 | ||
154 | /* Chain containing status of breakpoint(s) that we have stopped at. */ | |
155 | ||
156 | bpstat stop_bpstat; | |
157 | ||
158 | /* Flag indicating that a command has proceeded the inferior past the | |
159 | current breakpoint. */ | |
160 | ||
161 | int breakpoint_proceeded; | |
162 | ||
163 | /* Nonzero if stopped due to a step command. */ | |
164 | ||
165 | int stop_step; | |
166 | ||
167 | /* Nonzero if stopped due to completion of a stack dummy routine. */ | |
168 | ||
169 | int stop_stack_dummy; | |
170 | ||
171 | /* Nonzero if stopped due to a random (unexpected) signal in inferior | |
172 | process. */ | |
173 | ||
174 | int stopped_by_random_signal; | |
175 | ||
176 | /* Range to single step within. | |
177 | If this is nonzero, respond to a single-step signal | |
178 | by continuing to step if the pc is in this range. */ | |
179 | ||
c5aa993b JM |
180 | CORE_ADDR step_range_start; /* Inclusive */ |
181 | CORE_ADDR step_range_end; /* Exclusive */ | |
c906108c SS |
182 | |
183 | /* Stack frame address as of when stepping command was issued. | |
184 | This is how we know when we step into a subroutine call, | |
185 | and how to set the frame for the breakpoint used to step out. */ | |
186 | ||
aa0cd9c1 | 187 | struct frame_id step_frame_id; |
c906108c SS |
188 | |
189 | /* Our notion of the current stack pointer. */ | |
190 | ||
191 | CORE_ADDR step_sp; | |
192 | ||
5fbbeb29 | 193 | enum step_over_calls_kind step_over_calls; |
c906108c SS |
194 | |
195 | /* If stepping, nonzero means step count is > 1 | |
196 | so don't print frame next time inferior stops | |
197 | if it stops due to stepping. */ | |
198 | ||
199 | int step_multi; | |
200 | ||
201 | /* Environment to use for running inferior, | |
202 | in format described in environ.h. */ | |
203 | ||
204 | struct environ *inferior_environ; | |
c906108c | 205 | \f |
07091751 FN |
206 | /* Accessor routines. */ |
207 | ||
208 | char * | |
209 | get_inferior_args (void) | |
210 | { | |
552c04a7 TT |
211 | if (inferior_argc != 0) |
212 | { | |
213 | char *n, *old; | |
214 | ||
215 | n = gdbarch_construct_inferior_arguments (current_gdbarch, | |
216 | inferior_argc, inferior_argv); | |
217 | old = set_inferior_args (n); | |
218 | xfree (old); | |
219 | } | |
220 | ||
221 | if (inferior_args == NULL) | |
222 | inferior_args = xstrdup (""); | |
223 | ||
07091751 FN |
224 | return inferior_args; |
225 | } | |
226 | ||
227 | char * | |
228 | set_inferior_args (char *newargs) | |
229 | { | |
230 | char *saved_args = inferior_args; | |
231 | ||
232 | inferior_args = newargs; | |
552c04a7 TT |
233 | inferior_argc = 0; |
234 | inferior_argv = 0; | |
07091751 FN |
235 | |
236 | return saved_args; | |
237 | } | |
c5aa993b | 238 | |
552c04a7 TT |
239 | void |
240 | set_inferior_args_vector (int argc, char **argv) | |
241 | { | |
242 | inferior_argc = argc; | |
243 | inferior_argv = argv; | |
244 | } | |
245 | ||
246 | /* Notice when `set args' is run. */ | |
247 | static void | |
248 | notice_args_set (char *args, int from_tty, struct cmd_list_element *c) | |
249 | { | |
250 | inferior_argc = 0; | |
251 | inferior_argv = 0; | |
252 | } | |
253 | ||
254 | /* Notice when `show args' is run. */ | |
255 | static void | |
9f60d481 | 256 | notice_args_read (char *args, int from_tty, struct cmd_list_element *c) |
552c04a7 TT |
257 | { |
258 | /* Might compute the value. */ | |
259 | get_inferior_args (); | |
260 | } | |
261 | ||
c2a727fa TT |
262 | \f |
263 | /* Compute command-line string given argument vector. This does the | |
264 | same shell processing as fork_inferior. */ | |
c2a727fa TT |
265 | char * |
266 | construct_inferior_arguments (struct gdbarch *gdbarch, int argc, char **argv) | |
267 | { | |
268 | char *result; | |
269 | ||
270 | if (STARTUP_WITH_SHELL) | |
271 | { | |
272 | /* This holds all the characters considered special to the | |
273 | typical Unix shells. We include `^' because the SunOS | |
274 | /bin/sh treats it as a synonym for `|'. */ | |
275 | char *special = "\"!#$&*()\\|[]{}<>?'\"`~^; \t\n"; | |
276 | int i; | |
277 | int length = 0; | |
278 | char *out, *cp; | |
279 | ||
280 | /* We over-compute the size. It shouldn't matter. */ | |
281 | for (i = 0; i < argc; ++i) | |
03c6228e | 282 | length += 2 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0'); |
c2a727fa TT |
283 | |
284 | result = (char *) xmalloc (length); | |
285 | out = result; | |
286 | ||
287 | for (i = 0; i < argc; ++i) | |
288 | { | |
289 | if (i > 0) | |
290 | *out++ = ' '; | |
291 | ||
03c6228e AS |
292 | /* Need to handle empty arguments specially. */ |
293 | if (argv[i][0] == '\0') | |
c2a727fa | 294 | { |
03c6228e AS |
295 | *out++ = '\''; |
296 | *out++ = '\''; | |
297 | } | |
298 | else | |
299 | { | |
300 | for (cp = argv[i]; *cp; ++cp) | |
301 | { | |
302 | if (strchr (special, *cp) != NULL) | |
303 | *out++ = '\\'; | |
304 | *out++ = *cp; | |
305 | } | |
c2a727fa TT |
306 | } |
307 | } | |
308 | *out = '\0'; | |
309 | } | |
310 | else | |
311 | { | |
312 | /* In this case we can't handle arguments that contain spaces, | |
313 | tabs, or newlines -- see breakup_args(). */ | |
314 | int i; | |
315 | int length = 0; | |
316 | ||
317 | for (i = 0; i < argc; ++i) | |
318 | { | |
319 | char *cp = strchr (argv[i], ' '); | |
320 | if (cp == NULL) | |
321 | cp = strchr (argv[i], '\t'); | |
322 | if (cp == NULL) | |
323 | cp = strchr (argv[i], '\n'); | |
324 | if (cp != NULL) | |
325 | error ("can't handle command-line argument containing whitespace"); | |
326 | length += strlen (argv[i]) + 1; | |
327 | } | |
328 | ||
329 | result = (char *) xmalloc (length); | |
330 | result[0] = '\0'; | |
331 | for (i = 0; i < argc; ++i) | |
332 | { | |
333 | if (i > 0) | |
334 | strcat (result, " "); | |
335 | strcat (result, argv[i]); | |
336 | } | |
337 | } | |
338 | ||
339 | return result; | |
340 | } | |
552c04a7 TT |
341 | \f |
342 | ||
43ff13b4 JM |
343 | /* This function detects whether or not a '&' character (indicating |
344 | background execution) has been added as *the last* of the arguments ARGS | |
345 | of a command. If it has, it removes it and returns 1. Otherwise it | |
346 | does nothing and returns 0. */ | |
c5aa993b | 347 | static int |
fba45db2 | 348 | strip_bg_char (char **args) |
43ff13b4 JM |
349 | { |
350 | char *p = NULL; | |
c5aa993b | 351 | |
9846de1b | 352 | p = strchr (*args, '&'); |
c5aa993b | 353 | |
9846de1b | 354 | if (p) |
43ff13b4 JM |
355 | { |
356 | if (p == (*args + strlen (*args) - 1)) | |
357 | { | |
c5aa993b | 358 | if (strlen (*args) > 1) |
43ff13b4 JM |
359 | { |
360 | do | |
361 | p--; | |
362 | while (*p == ' ' || *p == '\t'); | |
363 | *(p + 1) = '\0'; | |
364 | } | |
365 | else | |
366 | *args = 0; | |
367 | return 1; | |
368 | } | |
369 | } | |
370 | return 0; | |
371 | } | |
372 | ||
c906108c | 373 | void |
fba45db2 | 374 | tty_command (char *file, int from_tty) |
c906108c SS |
375 | { |
376 | if (file == 0) | |
377 | error_no_arg ("terminal name for running target process"); | |
378 | ||
379 | inferior_io_terminal = savestring (file, strlen (file)); | |
380 | } | |
381 | ||
382 | static void | |
fba45db2 | 383 | run_command (char *args, int from_tty) |
c906108c SS |
384 | { |
385 | char *exec_file; | |
386 | ||
387 | dont_repeat (); | |
388 | ||
39f77062 | 389 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 390 | { |
adf40b2e JM |
391 | if (from_tty |
392 | && !query ("The program being debugged has been started already.\n\ | |
c906108c SS |
393 | Start it from the beginning? ")) |
394 | error ("Program not restarted."); | |
395 | target_kill (); | |
396 | #if defined(SOLIB_RESTART) | |
397 | SOLIB_RESTART (); | |
398 | #endif | |
399 | init_wait_for_inferior (); | |
400 | } | |
401 | ||
402 | clear_breakpoint_hit_counts (); | |
403 | ||
c906108c SS |
404 | /* Purge old solib objfiles. */ |
405 | objfile_purge_solibs (); | |
406 | ||
407 | do_run_cleanups (NULL); | |
408 | ||
39ad761d JB |
409 | /* The comment here used to read, "The exec file is re-read every |
410 | time we do a generic_mourn_inferior, so we just have to worry | |
411 | about the symbol file." The `generic_mourn_inferior' function | |
412 | gets called whenever the program exits. However, suppose the | |
413 | program exits, and *then* the executable file changes? We need | |
414 | to check again here. Since reopen_exec_file doesn't do anything | |
415 | if the timestamp hasn't changed, I don't see the harm. */ | |
416 | reopen_exec_file (); | |
c906108c SS |
417 | reread_symbols (); |
418 | ||
39ad761d JB |
419 | exec_file = (char *) get_exec_file (0); |
420 | ||
c906108c SS |
421 | /* We keep symbols from add-symbol-file, on the grounds that the |
422 | user might want to add some symbols before running the program | |
423 | (right?). But sometimes (dynamic loading where the user manually | |
424 | introduces the new symbols with add-symbol-file), the code which | |
425 | the symbols describe does not persist between runs. Currently | |
426 | the user has to manually nuke all symbols between runs if they | |
427 | want them to go away (PR 2207). This is probably reasonable. */ | |
428 | ||
43ff13b4 | 429 | if (!args) |
6426a772 JM |
430 | { |
431 | if (event_loop_p && target_can_async_p ()) | |
432 | async_disable_stdin (); | |
433 | } | |
43ff13b4 | 434 | else |
c906108c | 435 | { |
43ff13b4 JM |
436 | int async_exec = strip_bg_char (&args); |
437 | ||
438 | /* If we get a request for running in the bg but the target | |
439 | doesn't support it, error out. */ | |
6426a772 | 440 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
441 | error ("Asynchronous execution not supported on this target."); |
442 | ||
443 | /* If we don't get a request of running in the bg, then we need | |
c5aa993b | 444 | to simulate synchronous (fg) execution. */ |
6426a772 | 445 | if (event_loop_p && !async_exec && target_can_async_p ()) |
43ff13b4 JM |
446 | { |
447 | /* Simulate synchronous execution */ | |
6426a772 | 448 | async_disable_stdin (); |
43ff13b4 JM |
449 | } |
450 | ||
451 | /* If there were other args, beside '&', process them. */ | |
452 | if (args) | |
453 | { | |
07091751 FN |
454 | char *old_args = set_inferior_args (xstrdup (args)); |
455 | xfree (old_args); | |
43ff13b4 | 456 | } |
c906108c SS |
457 | } |
458 | ||
459 | if (from_tty) | |
460 | { | |
8b93c638 JM |
461 | ui_out_field_string (uiout, NULL, "Starting program"); |
462 | ui_out_text (uiout, ": "); | |
463 | if (exec_file) | |
464 | ui_out_field_string (uiout, "execfile", exec_file); | |
465 | ui_out_spaces (uiout, 1); | |
552c04a7 TT |
466 | /* We call get_inferior_args() because we might need to compute |
467 | the value now. */ | |
468 | ui_out_field_string (uiout, "infargs", get_inferior_args ()); | |
8b93c638 JM |
469 | ui_out_text (uiout, "\n"); |
470 | ui_out_flush (uiout); | |
c906108c SS |
471 | } |
472 | ||
552c04a7 TT |
473 | /* We call get_inferior_args() because we might need to compute |
474 | the value now. */ | |
475 | target_create_inferior (exec_file, get_inferior_args (), | |
c906108c SS |
476 | environ_vector (inferior_environ)); |
477 | } | |
478 | ||
479 | ||
480 | static void | |
fba45db2 | 481 | run_no_args_command (char *args, int from_tty) |
c906108c | 482 | { |
07091751 FN |
483 | char *old_args = set_inferior_args (xstrdup ("")); |
484 | xfree (old_args); | |
c906108c | 485 | } |
c906108c | 486 | \f |
c5aa993b | 487 | |
c906108c | 488 | void |
fba45db2 | 489 | continue_command (char *proc_count_exp, int from_tty) |
c906108c | 490 | { |
c5aa993b | 491 | int async_exec = 0; |
c906108c SS |
492 | ERROR_NO_INFERIOR; |
493 | ||
43ff13b4 JM |
494 | /* Find out whether we must run in the background. */ |
495 | if (proc_count_exp != NULL) | |
496 | async_exec = strip_bg_char (&proc_count_exp); | |
497 | ||
498 | /* If we must run in the background, but the target can't do it, | |
499 | error out. */ | |
6426a772 | 500 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
501 | error ("Asynchronous execution not supported on this target."); |
502 | ||
503 | /* If we are not asked to run in the bg, then prepare to run in the | |
504 | foreground, synchronously. */ | |
6426a772 | 505 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 506 | { |
43ff13b4 | 507 | /* Simulate synchronous execution */ |
6426a772 | 508 | async_disable_stdin (); |
43ff13b4 | 509 | } |
c906108c | 510 | |
43ff13b4 JM |
511 | /* If have argument (besides '&'), set proceed count of breakpoint |
512 | we stopped at. */ | |
c906108c SS |
513 | if (proc_count_exp != NULL) |
514 | { | |
515 | bpstat bs = stop_bpstat; | |
516 | int num = bpstat_num (&bs); | |
517 | if (num == 0 && from_tty) | |
518 | { | |
519 | printf_filtered | |
520 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
521 | } | |
522 | while (num != 0) | |
523 | { | |
524 | set_ignore_count (num, | |
bb518678 | 525 | parse_and_eval_long (proc_count_exp) - 1, |
c906108c SS |
526 | from_tty); |
527 | /* set_ignore_count prints a message ending with a period. | |
528 | So print two spaces before "Continuing.". */ | |
529 | if (from_tty) | |
530 | printf_filtered (" "); | |
531 | num = bpstat_num (&bs); | |
532 | } | |
533 | } | |
534 | ||
535 | if (from_tty) | |
536 | printf_filtered ("Continuing.\n"); | |
537 | ||
538 | clear_proceed_status (); | |
539 | ||
2acceee2 | 540 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c SS |
541 | } |
542 | \f | |
543 | /* Step until outside of current statement. */ | |
544 | ||
c906108c | 545 | static void |
fba45db2 | 546 | step_command (char *count_string, int from_tty) |
c906108c SS |
547 | { |
548 | step_1 (0, 0, count_string); | |
549 | } | |
550 | ||
551 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
552 | ||
c906108c | 553 | static void |
fba45db2 | 554 | next_command (char *count_string, int from_tty) |
c906108c SS |
555 | { |
556 | step_1 (1, 0, count_string); | |
557 | } | |
558 | ||
559 | /* Likewise, but step only one instruction. */ | |
560 | ||
c906108c | 561 | void |
fba45db2 | 562 | stepi_command (char *count_string, int from_tty) |
c906108c SS |
563 | { |
564 | step_1 (0, 1, count_string); | |
565 | } | |
566 | ||
c906108c | 567 | void |
fba45db2 | 568 | nexti_command (char *count_string, int from_tty) |
c906108c SS |
569 | { |
570 | step_1 (1, 1, count_string); | |
571 | } | |
572 | ||
74b7792f AC |
573 | static void |
574 | disable_longjmp_breakpoint_cleanup (void *ignore) | |
575 | { | |
576 | disable_longjmp_breakpoint (); | |
577 | } | |
578 | ||
c906108c | 579 | static void |
fba45db2 | 580 | step_1 (int skip_subroutines, int single_inst, char *count_string) |
c906108c | 581 | { |
52f0bd74 | 582 | int count = 1; |
c906108c SS |
583 | struct frame_info *frame; |
584 | struct cleanup *cleanups = 0; | |
43ff13b4 | 585 | int async_exec = 0; |
c5aa993b | 586 | |
c906108c | 587 | ERROR_NO_INFERIOR; |
43ff13b4 JM |
588 | |
589 | if (count_string) | |
590 | async_exec = strip_bg_char (&count_string); | |
c5aa993b | 591 | |
43ff13b4 JM |
592 | /* If we get a request for running in the bg but the target |
593 | doesn't support it, error out. */ | |
6426a772 | 594 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
595 | error ("Asynchronous execution not supported on this target."); |
596 | ||
597 | /* If we don't get a request of running in the bg, then we need | |
598 | to simulate synchronous (fg) execution. */ | |
6426a772 | 599 | if (event_loop_p && !async_exec && target_can_async_p ()) |
43ff13b4 JM |
600 | { |
601 | /* Simulate synchronous execution */ | |
6426a772 | 602 | async_disable_stdin (); |
43ff13b4 JM |
603 | } |
604 | ||
bb518678 | 605 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 606 | |
c5aa993b | 607 | if (!single_inst || skip_subroutines) /* leave si command alone */ |
c906108c | 608 | { |
c5aa993b | 609 | enable_longjmp_breakpoint (); |
c2d11a7d | 610 | if (!event_loop_p || !target_can_async_p ()) |
74b7792f | 611 | cleanups = make_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d | 612 | else |
74b7792f | 613 | make_exec_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d JM |
614 | } |
615 | ||
616 | /* In synchronous case, all is well, just use the regular for loop. */ | |
617 | if (!event_loop_p || !target_can_async_p ()) | |
618 | { | |
619 | for (; count > 0; count--) | |
620 | { | |
621 | clear_proceed_status (); | |
622 | ||
623 | frame = get_current_frame (); | |
624 | if (!frame) /* Avoid coredump here. Why tho? */ | |
625 | error ("No current frame"); | |
aa0cd9c1 | 626 | step_frame_id = get_frame_id (frame); |
c2d11a7d JM |
627 | step_sp = read_sp (); |
628 | ||
629 | if (!single_inst) | |
630 | { | |
631 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
632 | if (step_range_end == 0) | |
633 | { | |
634 | char *name; | |
635 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
636 | &step_range_end) == 0) | |
637 | error ("Cannot find bounds of current function"); | |
638 | ||
639 | target_terminal_ours (); | |
640 | printf_filtered ("\ | |
641 | Single stepping until exit from function %s, \n\ | |
642 | which has no line number information.\n", name); | |
643 | } | |
644 | } | |
645 | else | |
646 | { | |
647 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
648 | step_range_start = step_range_end = 1; | |
649 | if (!skip_subroutines) | |
650 | /* It is stepi. | |
651 | Don't step over function calls, not even to functions lacking | |
652 | line numbers. */ | |
5fbbeb29 | 653 | step_over_calls = STEP_OVER_NONE; |
c2d11a7d JM |
654 | } |
655 | ||
656 | if (skip_subroutines) | |
5fbbeb29 | 657 | step_over_calls = STEP_OVER_ALL; |
c2d11a7d JM |
658 | |
659 | step_multi = (count > 1); | |
660 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); | |
661 | ||
662 | if (!stop_step) | |
663 | break; | |
664 | ||
665 | /* FIXME: On nexti, this may have already been done (when we hit the | |
666 | step resume break, I think). Probably this should be moved to | |
667 | wait_for_inferior (near the top). */ | |
668 | #if defined (SHIFT_INST_REGS) | |
669 | SHIFT_INST_REGS (); | |
670 | #endif | |
671 | } | |
672 | ||
673 | if (!single_inst || skip_subroutines) | |
674 | do_cleanups (cleanups); | |
675 | return; | |
676 | } | |
677 | /* In case of asynchronous target things get complicated, do only | |
678 | one step for now, before returning control to the event loop. Let | |
679 | the continuation figure out how many other steps we need to do, | |
680 | and handle them one at the time, through step_once(). */ | |
681 | else | |
682 | { | |
683 | if (event_loop_p && target_can_async_p ()) | |
684 | step_once (skip_subroutines, single_inst, count); | |
c906108c | 685 | } |
c2d11a7d | 686 | } |
c906108c | 687 | |
c2d11a7d JM |
688 | /* Called after we are done with one step operation, to check whether |
689 | we need to step again, before we print the prompt and return control | |
690 | to the user. If count is > 1, we will need to do one more call to | |
691 | proceed(), via step_once(). Basically it is like step_once and | |
692 | step_1_continuation are co-recursive. */ | |
693 | static void | |
fba45db2 | 694 | step_1_continuation (struct continuation_arg *arg) |
c2d11a7d | 695 | { |
57e687d9 MS |
696 | int count; |
697 | int skip_subroutines; | |
698 | int single_inst; | |
699 | ||
700 | skip_subroutines = arg->data.integer; | |
701 | single_inst = arg->next->data.integer; | |
702 | count = arg->next->next->data.integer; | |
703 | ||
704 | if (stop_step) | |
705 | { | |
706 | /* FIXME: On nexti, this may have already been done (when we hit the | |
707 | step resume break, I think). Probably this should be moved to | |
708 | wait_for_inferior (near the top). */ | |
c2d11a7d | 709 | #if defined (SHIFT_INST_REGS) |
57e687d9 | 710 | SHIFT_INST_REGS (); |
c2d11a7d | 711 | #endif |
57e687d9 MS |
712 | step_once (skip_subroutines, single_inst, count - 1); |
713 | } | |
714 | else | |
715 | if (!single_inst || skip_subroutines) | |
716 | do_exec_cleanups (ALL_CLEANUPS); | |
c2d11a7d JM |
717 | } |
718 | ||
719 | /* Do just one step operation. If count >1 we will have to set up a | |
720 | continuation to be done after the target stops (after this one | |
721 | step). This is useful to implement the 'step n' kind of commands, in | |
722 | case of asynchronous targets. We had to split step_1 into two parts, | |
723 | one to be done before proceed() and one afterwards. This function is | |
724 | called in case of step n with n>1, after the first step operation has | |
725 | been completed.*/ | |
726 | static void | |
0d06e24b | 727 | step_once (int skip_subroutines, int single_inst, int count) |
c2d11a7d | 728 | { |
0d06e24b JM |
729 | struct continuation_arg *arg1; |
730 | struct continuation_arg *arg2; | |
731 | struct continuation_arg *arg3; | |
732 | struct frame_info *frame; | |
c2d11a7d JM |
733 | |
734 | if (count > 0) | |
c906108c SS |
735 | { |
736 | clear_proceed_status (); | |
737 | ||
738 | frame = get_current_frame (); | |
c5aa993b | 739 | if (!frame) /* Avoid coredump here. Why tho? */ |
c906108c | 740 | error ("No current frame"); |
aa0cd9c1 | 741 | step_frame_id = get_frame_id (frame); |
c906108c SS |
742 | step_sp = read_sp (); |
743 | ||
c5aa993b | 744 | if (!single_inst) |
c906108c SS |
745 | { |
746 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
5fbbeb29 CF |
747 | |
748 | /* If we have no line info, switch to stepi mode. */ | |
749 | if (step_range_end == 0 && step_stop_if_no_debug) | |
750 | { | |
751 | step_range_start = step_range_end = 1; | |
752 | } | |
753 | else if (step_range_end == 0) | |
c906108c SS |
754 | { |
755 | char *name; | |
756 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
757 | &step_range_end) == 0) | |
758 | error ("Cannot find bounds of current function"); | |
759 | ||
760 | target_terminal_ours (); | |
761 | printf_filtered ("\ | |
762 | Single stepping until exit from function %s, \n\ | |
763 | which has no line number information.\n", name); | |
764 | } | |
765 | } | |
766 | else | |
767 | { | |
768 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
769 | step_range_start = step_range_end = 1; | |
770 | if (!skip_subroutines) | |
771 | /* It is stepi. | |
772 | Don't step over function calls, not even to functions lacking | |
773 | line numbers. */ | |
5fbbeb29 | 774 | step_over_calls = STEP_OVER_NONE; |
c906108c SS |
775 | } |
776 | ||
777 | if (skip_subroutines) | |
5fbbeb29 | 778 | step_over_calls = STEP_OVER_ALL; |
c906108c SS |
779 | |
780 | step_multi = (count > 1); | |
c2d11a7d JM |
781 | arg1 = |
782 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
783 | arg2 = | |
784 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
785 | arg3 = | |
786 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
787 | arg1->next = arg2; | |
57e687d9 | 788 | arg1->data.integer = skip_subroutines; |
c2d11a7d | 789 | arg2->next = arg3; |
57e687d9 | 790 | arg2->data.integer = single_inst; |
c2d11a7d | 791 | arg3->next = NULL; |
57e687d9 | 792 | arg3->data.integer = count; |
c2d11a7d | 793 | add_intermediate_continuation (step_1_continuation, arg1); |
2acceee2 | 794 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c | 795 | } |
c906108c | 796 | } |
c2d11a7d | 797 | |
c906108c SS |
798 | \f |
799 | /* Continue program at specified address. */ | |
800 | ||
801 | static void | |
fba45db2 | 802 | jump_command (char *arg, int from_tty) |
c906108c | 803 | { |
52f0bd74 | 804 | CORE_ADDR addr; |
c906108c SS |
805 | struct symtabs_and_lines sals; |
806 | struct symtab_and_line sal; | |
807 | struct symbol *fn; | |
808 | struct symbol *sfn; | |
43ff13b4 | 809 | int async_exec = 0; |
c5aa993b | 810 | |
c906108c SS |
811 | ERROR_NO_INFERIOR; |
812 | ||
43ff13b4 JM |
813 | /* Find out whether we must run in the background. */ |
814 | if (arg != NULL) | |
815 | async_exec = strip_bg_char (&arg); | |
816 | ||
817 | /* If we must run in the background, but the target can't do it, | |
818 | error out. */ | |
6426a772 | 819 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
820 | error ("Asynchronous execution not supported on this target."); |
821 | ||
822 | /* If we are not asked to run in the bg, then prepare to run in the | |
823 | foreground, synchronously. */ | |
6426a772 | 824 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 825 | { |
43ff13b4 | 826 | /* Simulate synchronous execution */ |
6426a772 | 827 | async_disable_stdin (); |
43ff13b4 JM |
828 | } |
829 | ||
c906108c SS |
830 | if (!arg) |
831 | error_no_arg ("starting address"); | |
832 | ||
833 | sals = decode_line_spec_1 (arg, 1); | |
834 | if (sals.nelts != 1) | |
835 | { | |
836 | error ("Unreasonable jump request"); | |
837 | } | |
838 | ||
839 | sal = sals.sals[0]; | |
b8c9b27d | 840 | xfree (sals.sals); |
c906108c SS |
841 | |
842 | if (sal.symtab == 0 && sal.pc == 0) | |
843 | error ("No source file has been specified."); | |
844 | ||
c5aa993b | 845 | resolve_sal_pc (&sal); /* May error out */ |
c906108c SS |
846 | |
847 | /* See if we are trying to jump to another function. */ | |
848 | fn = get_frame_function (get_current_frame ()); | |
849 | sfn = find_pc_function (sal.pc); | |
850 | if (fn != NULL && sfn != fn) | |
851 | { | |
852 | if (!query ("Line %d is not in `%s'. Jump anyway? ", sal.line, | |
de5ad195 | 853 | SYMBOL_PRINT_NAME (fn))) |
c906108c SS |
854 | { |
855 | error ("Not confirmed."); | |
856 | /* NOTREACHED */ | |
857 | } | |
858 | } | |
859 | ||
c5aa993b | 860 | if (sfn != NULL) |
c906108c SS |
861 | { |
862 | fixup_symbol_section (sfn, 0); | |
c5aa993b | 863 | if (section_is_overlay (SYMBOL_BFD_SECTION (sfn)) && |
c906108c SS |
864 | !section_is_mapped (SYMBOL_BFD_SECTION (sfn))) |
865 | { | |
866 | if (!query ("WARNING!!! Destination is in unmapped overlay! Jump anyway? ")) | |
867 | { | |
868 | error ("Not confirmed."); | |
869 | /* NOTREACHED */ | |
870 | } | |
871 | } | |
872 | } | |
873 | ||
c906108c SS |
874 | addr = sal.pc; |
875 | ||
876 | if (from_tty) | |
877 | { | |
878 | printf_filtered ("Continuing at "); | |
879 | print_address_numeric (addr, 1, gdb_stdout); | |
880 | printf_filtered (".\n"); | |
881 | } | |
882 | ||
883 | clear_proceed_status (); | |
884 | proceed (addr, TARGET_SIGNAL_0, 0); | |
885 | } | |
c906108c | 886 | \f |
c5aa993b | 887 | |
c906108c SS |
888 | /* Go to line or address in current procedure */ |
889 | static void | |
fba45db2 | 890 | go_command (char *line_no, int from_tty) |
c906108c | 891 | { |
c5aa993b | 892 | if (line_no == (char *) NULL || !*line_no) |
b83266a0 | 893 | printf_filtered (GO_USAGE); |
c906108c SS |
894 | else |
895 | { | |
b83266a0 SS |
896 | tbreak_command (line_no, from_tty); |
897 | jump_command (line_no, from_tty); | |
c906108c SS |
898 | } |
899 | } | |
c906108c | 900 | \f |
c5aa993b | 901 | |
c906108c SS |
902 | /* Continue program giving it specified signal. */ |
903 | ||
904 | static void | |
fba45db2 | 905 | signal_command (char *signum_exp, int from_tty) |
c906108c SS |
906 | { |
907 | enum target_signal oursig; | |
908 | ||
909 | dont_repeat (); /* Too dangerous. */ | |
910 | ERROR_NO_INFERIOR; | |
911 | ||
912 | if (!signum_exp) | |
913 | error_no_arg ("signal number"); | |
914 | ||
915 | /* It would be even slicker to make signal names be valid expressions, | |
916 | (the type could be "enum $signal" or some such), then the user could | |
917 | assign them to convenience variables. */ | |
918 | oursig = target_signal_from_name (signum_exp); | |
919 | ||
920 | if (oursig == TARGET_SIGNAL_UNKNOWN) | |
921 | { | |
922 | /* No, try numeric. */ | |
bb518678 | 923 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
924 | |
925 | if (num == 0) | |
926 | oursig = TARGET_SIGNAL_0; | |
927 | else | |
928 | oursig = target_signal_from_command (num); | |
929 | } | |
930 | ||
931 | if (from_tty) | |
932 | { | |
933 | if (oursig == TARGET_SIGNAL_0) | |
934 | printf_filtered ("Continuing with no signal.\n"); | |
935 | else | |
936 | printf_filtered ("Continuing with signal %s.\n", | |
937 | target_signal_to_name (oursig)); | |
938 | } | |
939 | ||
940 | clear_proceed_status (); | |
941 | /* "signal 0" should not get stuck if we are stopped at a breakpoint. | |
942 | FIXME: Neither should "signal foo" but when I tried passing | |
943 | (CORE_ADDR)-1 unconditionally I got a testsuite failure which I haven't | |
944 | tried to track down yet. */ | |
2acceee2 | 945 | proceed (oursig == TARGET_SIGNAL_0 ? (CORE_ADDR) -1 : stop_pc, oursig, 0); |
c906108c SS |
946 | } |
947 | ||
c906108c SS |
948 | /* Proceed until we reach a different source line with pc greater than |
949 | our current one or exit the function. We skip calls in both cases. | |
950 | ||
951 | Note that eventually this command should probably be changed so | |
952 | that only source lines are printed out when we hit the breakpoint | |
953 | we set. This may involve changes to wait_for_inferior and the | |
954 | proceed status code. */ | |
955 | ||
c906108c | 956 | static void |
fba45db2 | 957 | until_next_command (int from_tty) |
c906108c SS |
958 | { |
959 | struct frame_info *frame; | |
960 | CORE_ADDR pc; | |
961 | struct symbol *func; | |
962 | struct symtab_and_line sal; | |
c5aa993b | 963 | |
c906108c SS |
964 | clear_proceed_status (); |
965 | ||
966 | frame = get_current_frame (); | |
967 | ||
968 | /* Step until either exited from this function or greater | |
969 | than the current line (if in symbolic section) or pc (if | |
970 | not). */ | |
971 | ||
972 | pc = read_pc (); | |
973 | func = find_pc_function (pc); | |
c5aa993b | 974 | |
c906108c SS |
975 | if (!func) |
976 | { | |
977 | struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc); | |
c5aa993b | 978 | |
c906108c SS |
979 | if (msymbol == NULL) |
980 | error ("Execution is not within a known function."); | |
c5aa993b | 981 | |
c906108c SS |
982 | step_range_start = SYMBOL_VALUE_ADDRESS (msymbol); |
983 | step_range_end = pc; | |
984 | } | |
985 | else | |
986 | { | |
987 | sal = find_pc_line (pc, 0); | |
c5aa993b | 988 | |
c906108c SS |
989 | step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
990 | step_range_end = sal.end; | |
991 | } | |
c5aa993b | 992 | |
5fbbeb29 | 993 | step_over_calls = STEP_OVER_ALL; |
aa0cd9c1 | 994 | step_frame_id = get_frame_id (frame); |
c906108c SS |
995 | step_sp = read_sp (); |
996 | ||
997 | step_multi = 0; /* Only one call to proceed */ | |
c5aa993b | 998 | |
2acceee2 | 999 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c SS |
1000 | } |
1001 | ||
c5aa993b | 1002 | static void |
fba45db2 | 1003 | until_command (char *arg, int from_tty) |
c906108c | 1004 | { |
43ff13b4 JM |
1005 | int async_exec = 0; |
1006 | ||
c906108c SS |
1007 | if (!target_has_execution) |
1008 | error ("The program is not running."); | |
43ff13b4 JM |
1009 | |
1010 | /* Find out whether we must run in the background. */ | |
1011 | if (arg != NULL) | |
1012 | async_exec = strip_bg_char (&arg); | |
1013 | ||
1014 | /* If we must run in the background, but the target can't do it, | |
1015 | error out. */ | |
6426a772 | 1016 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
1017 | error ("Asynchronous execution not supported on this target."); |
1018 | ||
1019 | /* If we are not asked to run in the bg, then prepare to run in the | |
1020 | foreground, synchronously. */ | |
6426a772 | 1021 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 1022 | { |
43ff13b4 | 1023 | /* Simulate synchronous execution */ |
6426a772 | 1024 | async_disable_stdin (); |
43ff13b4 JM |
1025 | } |
1026 | ||
c906108c | 1027 | if (arg) |
ae66c1fc | 1028 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1029 | else |
1030 | until_next_command (from_tty); | |
1031 | } | |
ae66c1fc EZ |
1032 | |
1033 | static void | |
1034 | advance_command (char *arg, int from_tty) | |
1035 | { | |
1036 | int async_exec = 0; | |
1037 | ||
1038 | if (!target_has_execution) | |
1039 | error ("The program is not running."); | |
1040 | ||
1041 | if (arg == NULL) | |
1042 | error_no_arg ("a location"); | |
1043 | ||
1044 | /* Find out whether we must run in the background. */ | |
1045 | if (arg != NULL) | |
1046 | async_exec = strip_bg_char (&arg); | |
1047 | ||
1048 | /* If we must run in the background, but the target can't do it, | |
1049 | error out. */ | |
1050 | if (event_loop_p && async_exec && !target_can_async_p ()) | |
1051 | error ("Asynchronous execution not supported on this target."); | |
1052 | ||
1053 | /* If we are not asked to run in the bg, then prepare to run in the | |
1054 | foreground, synchronously. */ | |
1055 | if (event_loop_p && !async_exec && target_can_async_p ()) | |
1056 | { | |
1057 | /* Simulate synchronous execution. */ | |
1058 | async_disable_stdin (); | |
1059 | } | |
1060 | ||
1061 | until_break_command (arg, from_tty, 1); | |
1062 | } | |
c906108c | 1063 | \f |
43ff13b4 | 1064 | |
11cf8741 JM |
1065 | /* Print the result of a function at the end of a 'finish' command. */ |
1066 | static void | |
1067 | print_return_value (int structure_return, struct type *value_type) | |
1068 | { | |
3d6d86c6 | 1069 | struct value *value; |
8b93c638 | 1070 | static struct ui_stream *stb = NULL; |
11cf8741 JM |
1071 | |
1072 | if (!structure_return) | |
1073 | { | |
5fe830e4 | 1074 | value = register_value_being_returned (value_type, stop_registers); |
8b93c638 JM |
1075 | stb = ui_out_stream_new (uiout); |
1076 | ui_out_text (uiout, "Value returned is "); | |
4e7d7511 | 1077 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", record_latest_value (value)); |
9549d9c1 | 1078 | ui_out_text (uiout, " = "); |
8b93c638 JM |
1079 | value_print (value, stb->stream, 0, Val_no_prettyprint); |
1080 | ui_out_field_stream (uiout, "return-value", stb); | |
1081 | ui_out_text (uiout, "\n"); | |
11cf8741 | 1082 | } |
92ad9cd9 AC |
1083 | /* FIXME: 2003-09-27: When returning from a nested inferior function |
1084 | call, it's possible (with no help from the architecture vector) | |
1085 | to locate and return/print a "struct return" value. This is just | |
1086 | a more complicated case of what is already being done in in the | |
1087 | inferior function call code. In fact, when inferior function | |
1088 | calls are made async, this will likely be made the norm. */ | |
9ff63c35 | 1089 | #ifdef DEPRECATED_VALUE_RETURNED_FROM_STACK |
92ad9cd9 AC |
1090 | #define DEPRECATED_VALUE_RETURNED_FROM_STACK_P 1 |
1091 | #else | |
1092 | #define DEPRECATED_VALUE_RETURNED_FROM_STACK_P 0 | |
1093 | #endif | |
1094 | else if (gdbarch_return_value_p (current_gdbarch) | |
1095 | || DEPRECATED_VALUE_RETURNED_FROM_STACK_P) | |
1096 | /* We cannot determine the contents of the structure because it is | |
1097 | on the stack, and we don't know where, since we did not | |
1098 | initiate the call, as opposed to the call_function_by_hand | |
1099 | case. */ | |
1100 | { | |
1101 | gdb_assert (gdbarch_return_value (current_gdbarch, value_type, NULL, NULL, NULL) | |
1102 | == RETURN_VALUE_STRUCT_CONVENTION); | |
8b93c638 JM |
1103 | ui_out_text (uiout, "Value returned has type: "); |
1104 | ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type)); | |
1105 | ui_out_text (uiout, "."); | |
1106 | ui_out_text (uiout, " Cannot determine contents\n"); | |
92ad9cd9 AC |
1107 | return; |
1108 | } | |
1109 | else | |
1110 | { | |
5fe830e4 AC |
1111 | if (EXTRACT_STRUCT_VALUE_ADDRESS_P ()) |
1112 | { | |
1113 | CORE_ADDR addr = EXTRACT_STRUCT_VALUE_ADDRESS (stop_registers); | |
1114 | if (!addr) | |
1115 | error ("Function return value unknown."); | |
1116 | value = value_at (value_type, addr, NULL); | |
1117 | } | |
1118 | else if (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P ()) | |
1119 | { | |
1120 | char *buf = deprecated_grub_regcache_for_registers (stop_registers); | |
1121 | CORE_ADDR addr = DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS (buf); | |
1122 | if (!addr) | |
1123 | error ("Function return value unknown."); | |
1124 | value = value_at (value_type, addr, NULL); | |
1125 | } | |
1126 | else | |
1127 | { | |
1128 | /* It is "struct return" yet the value is being extracted, | |
1129 | presumably from registers, using EXTRACT_RETURN_VALUE. | |
ce2826aa | 1130 | This doesn't make sense. Unfortunately, the legacy |
5fe830e4 AC |
1131 | interfaces allowed this behavior. Sigh! */ |
1132 | value = allocate_value (value_type); | |
1133 | CHECK_TYPEDEF (value_type); | |
1134 | /* If the function returns void, don't bother fetching the | |
1135 | return value. */ | |
1136 | EXTRACT_RETURN_VALUE (value_type, stop_registers, | |
1137 | VALUE_CONTENTS_RAW (value)); | |
1138 | } | |
8b93c638 JM |
1139 | stb = ui_out_stream_new (uiout); |
1140 | ui_out_text (uiout, "Value returned is "); | |
4e7d7511 | 1141 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", record_latest_value (value)); |
28ae27b1 | 1142 | ui_out_text (uiout, " = "); |
8b93c638 JM |
1143 | value_print (value, stb->stream, 0, Val_no_prettyprint); |
1144 | ui_out_field_stream (uiout, "return-value", stb); | |
1145 | ui_out_text (uiout, "\n"); | |
11cf8741 JM |
1146 | } |
1147 | } | |
1148 | ||
43ff13b4 JM |
1149 | /* Stuff that needs to be done by the finish command after the target |
1150 | has stopped. In asynchronous mode, we wait for the target to stop in | |
1151 | the call to poll or select in the event loop, so it is impossible to | |
1152 | do all the stuff as part of the finish_command function itself. The | |
1153 | only chance we have to complete this command is in | |
1154 | fetch_inferior_event, which is called by the event loop as soon as it | |
1155 | detects that the target has stopped. This function is called via the | |
6953f3ba | 1156 | cmd_continuation pointer. */ |
43ff13b4 | 1157 | void |
fba45db2 | 1158 | finish_command_continuation (struct continuation_arg *arg) |
43ff13b4 | 1159 | { |
52f0bd74 | 1160 | struct symbol *function; |
43ff13b4 | 1161 | struct breakpoint *breakpoint; |
0d06e24b | 1162 | struct cleanup *cleanups; |
c5aa993b | 1163 | |
57e687d9 MS |
1164 | breakpoint = (struct breakpoint *) arg->data.pointer; |
1165 | function = (struct symbol *) arg->next->data.pointer; | |
1166 | cleanups = (struct cleanup *) arg->next->next->data.pointer; | |
43ff13b4 | 1167 | |
c5aa993b | 1168 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL |
43ff13b4 JM |
1169 | && function != 0) |
1170 | { | |
1171 | struct type *value_type; | |
43ff13b4 JM |
1172 | CORE_ADDR funcaddr; |
1173 | int struct_return; | |
1174 | ||
1175 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1176 | if (!value_type) | |
8e65ff28 AC |
1177 | internal_error (__FILE__, __LINE__, |
1178 | "finish_command: function has no target type"); | |
c5aa993b | 1179 | |
43ff13b4 JM |
1180 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) |
1181 | { | |
0d06e24b | 1182 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1183 | return; |
1184 | } | |
1185 | ||
1186 | funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function)); | |
1187 | ||
48436ce6 | 1188 | struct_return = using_struct_return (check_typedef (value_type), |
11cf8741 | 1189 | BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function))); |
43ff13b4 | 1190 | |
11cf8741 | 1191 | print_return_value (struct_return, value_type); |
43ff13b4 | 1192 | } |
0d06e24b | 1193 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1194 | } |
1195 | ||
c906108c SS |
1196 | /* "finish": Set a temporary breakpoint at the place |
1197 | the selected frame will return to, then continue. */ | |
1198 | ||
1199 | static void | |
fba45db2 | 1200 | finish_command (char *arg, int from_tty) |
c906108c SS |
1201 | { |
1202 | struct symtab_and_line sal; | |
52f0bd74 AC |
1203 | struct frame_info *frame; |
1204 | struct symbol *function; | |
c906108c SS |
1205 | struct breakpoint *breakpoint; |
1206 | struct cleanup *old_chain; | |
0d06e24b | 1207 | struct continuation_arg *arg1, *arg2, *arg3; |
43ff13b4 JM |
1208 | |
1209 | int async_exec = 0; | |
1210 | ||
1211 | /* Find out whether we must run in the background. */ | |
1212 | if (arg != NULL) | |
1213 | async_exec = strip_bg_char (&arg); | |
1214 | ||
1215 | /* If we must run in the background, but the target can't do it, | |
1216 | error out. */ | |
6426a772 | 1217 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
1218 | error ("Asynchronous execution not supported on this target."); |
1219 | ||
1220 | /* If we are not asked to run in the bg, then prepare to run in the | |
1221 | foreground, synchronously. */ | |
6426a772 | 1222 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 1223 | { |
43ff13b4 | 1224 | /* Simulate synchronous execution */ |
6426a772 | 1225 | async_disable_stdin (); |
43ff13b4 | 1226 | } |
c906108c SS |
1227 | |
1228 | if (arg) | |
1229 | error ("The \"finish\" command does not take any arguments."); | |
1230 | if (!target_has_execution) | |
1231 | error ("The program is not running."); | |
6e7f8b9c | 1232 | if (deprecated_selected_frame == NULL) |
c906108c SS |
1233 | error ("No selected frame."); |
1234 | ||
6e7f8b9c | 1235 | frame = get_prev_frame (deprecated_selected_frame); |
c906108c SS |
1236 | if (frame == 0) |
1237 | error ("\"finish\" not meaningful in the outermost frame."); | |
1238 | ||
1239 | clear_proceed_status (); | |
1240 | ||
bdd78e62 AC |
1241 | sal = find_pc_line (get_frame_pc (frame), 0); |
1242 | sal.pc = get_frame_pc (frame); | |
c906108c | 1243 | |
818dd999 | 1244 | breakpoint = set_momentary_breakpoint (sal, get_frame_id (frame), bp_finish); |
c906108c | 1245 | |
6426a772 | 1246 | if (!event_loop_p || !target_can_async_p ()) |
4d6140d9 | 1247 | old_chain = make_cleanup_delete_breakpoint (breakpoint); |
43ff13b4 | 1248 | else |
4d6140d9 | 1249 | old_chain = make_exec_cleanup_delete_breakpoint (breakpoint); |
c906108c SS |
1250 | |
1251 | /* Find the function we will return from. */ | |
1252 | ||
bdd78e62 | 1253 | function = find_pc_function (get_frame_pc (deprecated_selected_frame)); |
c906108c SS |
1254 | |
1255 | /* Print info on the selected frame, including level number | |
1256 | but not source. */ | |
1257 | if (from_tty) | |
1258 | { | |
1259 | printf_filtered ("Run till exit from "); | |
6e7f8b9c AC |
1260 | print_stack_frame (deprecated_selected_frame, |
1261 | frame_relative_level (deprecated_selected_frame), 0); | |
c906108c SS |
1262 | } |
1263 | ||
43ff13b4 JM |
1264 | /* If running asynchronously and the target support asynchronous |
1265 | execution, set things up for the rest of the finish command to be | |
1266 | completed later on, when gdb has detected that the target has | |
1267 | stopped, in fetch_inferior_event. */ | |
6426a772 | 1268 | if (event_loop_p && target_can_async_p ()) |
43ff13b4 | 1269 | { |
c5aa993b | 1270 | arg1 = |
43ff13b4 | 1271 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
c5aa993b | 1272 | arg2 = |
43ff13b4 | 1273 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
0d06e24b JM |
1274 | arg3 = |
1275 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
43ff13b4 | 1276 | arg1->next = arg2; |
0d06e24b JM |
1277 | arg2->next = arg3; |
1278 | arg3->next = NULL; | |
57e687d9 MS |
1279 | arg1->data.pointer = breakpoint; |
1280 | arg2->data.pointer = function; | |
1281 | arg3->data.pointer = old_chain; | |
43ff13b4 JM |
1282 | add_continuation (finish_command_continuation, arg1); |
1283 | } | |
1284 | ||
c5aa993b | 1285 | proceed_to_finish = 1; /* We want stop_registers, please... */ |
2acceee2 | 1286 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c | 1287 | |
43ff13b4 JM |
1288 | /* Do this only if not running asynchronously or if the target |
1289 | cannot do async execution. Otherwise, complete this command when | |
c5aa993b | 1290 | the target actually stops, in fetch_inferior_event. */ |
6426a772 | 1291 | if (!event_loop_p || !target_can_async_p ()) |
c5aa993b JM |
1292 | { |
1293 | ||
1294 | /* Did we stop at our breakpoint? */ | |
1295 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL | |
1296 | && function != 0) | |
1297 | { | |
1298 | struct type *value_type; | |
c5aa993b JM |
1299 | CORE_ADDR funcaddr; |
1300 | int struct_return; | |
1301 | ||
1302 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1303 | if (!value_type) | |
8e65ff28 AC |
1304 | internal_error (__FILE__, __LINE__, |
1305 | "finish_command: function has no target type"); | |
c5aa993b JM |
1306 | |
1307 | /* FIXME: Shouldn't we do the cleanups before returning? */ | |
1308 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) | |
1309 | return; | |
1310 | ||
1311 | funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function)); | |
1312 | ||
1313 | struct_return = | |
48436ce6 | 1314 | using_struct_return (check_typedef (value_type), |
c5aa993b JM |
1315 | BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function))); |
1316 | ||
11cf8741 | 1317 | print_return_value (struct_return, value_type); |
c5aa993b JM |
1318 | } |
1319 | do_cleanups (old_chain); | |
1320 | } | |
c906108c SS |
1321 | } |
1322 | \f | |
c906108c | 1323 | static void |
fba45db2 | 1324 | program_info (char *args, int from_tty) |
c906108c SS |
1325 | { |
1326 | bpstat bs = stop_bpstat; | |
1327 | int num = bpstat_num (&bs); | |
c5aa993b | 1328 | |
c906108c SS |
1329 | if (!target_has_execution) |
1330 | { | |
1331 | printf_filtered ("The program being debugged is not being run.\n"); | |
1332 | return; | |
1333 | } | |
1334 | ||
1335 | target_files_info (); | |
1336 | printf_filtered ("Program stopped at %s.\n", | |
c5aa993b | 1337 | local_hex_string ((unsigned long) stop_pc)); |
c906108c SS |
1338 | if (stop_step) |
1339 | printf_filtered ("It stopped after being stepped.\n"); | |
1340 | else if (num != 0) | |
1341 | { | |
1342 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 1343 | isn't as strange as it seems. */ |
c906108c SS |
1344 | while (num != 0) |
1345 | { | |
1346 | if (num < 0) | |
1347 | { | |
1348 | printf_filtered ("It stopped at a breakpoint that has "); | |
1349 | printf_filtered ("since been deleted.\n"); | |
1350 | } | |
1351 | else | |
1352 | printf_filtered ("It stopped at breakpoint %d.\n", num); | |
1353 | num = bpstat_num (&bs); | |
1354 | } | |
1355 | } | |
1356 | else if (stop_signal != TARGET_SIGNAL_0) | |
1357 | { | |
1358 | printf_filtered ("It stopped with signal %s, %s.\n", | |
1359 | target_signal_to_name (stop_signal), | |
1360 | target_signal_to_string (stop_signal)); | |
1361 | } | |
1362 | ||
1363 | if (!from_tty) | |
1364 | { | |
1365 | printf_filtered ("Type \"info stack\" or \"info registers\" "); | |
1366 | printf_filtered ("for more information.\n"); | |
1367 | } | |
1368 | } | |
1369 | \f | |
1370 | static void | |
fba45db2 | 1371 | environment_info (char *var, int from_tty) |
c906108c SS |
1372 | { |
1373 | if (var) | |
1374 | { | |
aa1ee363 | 1375 | char *val = get_in_environ (inferior_environ, var); |
c906108c SS |
1376 | if (val) |
1377 | { | |
1378 | puts_filtered (var); | |
1379 | puts_filtered (" = "); | |
1380 | puts_filtered (val); | |
1381 | puts_filtered ("\n"); | |
1382 | } | |
1383 | else | |
1384 | { | |
1385 | puts_filtered ("Environment variable \""); | |
1386 | puts_filtered (var); | |
1387 | puts_filtered ("\" not defined.\n"); | |
1388 | } | |
1389 | } | |
1390 | else | |
1391 | { | |
aa1ee363 | 1392 | char **vector = environ_vector (inferior_environ); |
c906108c SS |
1393 | while (*vector) |
1394 | { | |
1395 | puts_filtered (*vector++); | |
1396 | puts_filtered ("\n"); | |
1397 | } | |
1398 | } | |
1399 | } | |
1400 | ||
1401 | static void | |
fba45db2 | 1402 | set_environment_command (char *arg, int from_tty) |
c906108c | 1403 | { |
52f0bd74 | 1404 | char *p, *val, *var; |
c906108c SS |
1405 | int nullset = 0; |
1406 | ||
1407 | if (arg == 0) | |
1408 | error_no_arg ("environment variable and value"); | |
1409 | ||
1410 | /* Find seperation between variable name and value */ | |
1411 | p = (char *) strchr (arg, '='); | |
1412 | val = (char *) strchr (arg, ' '); | |
1413 | ||
1414 | if (p != 0 && val != 0) | |
1415 | { | |
1416 | /* We have both a space and an equals. If the space is before the | |
c5aa993b JM |
1417 | equals, walk forward over the spaces til we see a nonspace |
1418 | (possibly the equals). */ | |
c906108c SS |
1419 | if (p > val) |
1420 | while (*val == ' ') | |
1421 | val++; | |
1422 | ||
1423 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 1424 | take the char following the spaces. */ |
c906108c SS |
1425 | if (p > val) |
1426 | p = val - 1; | |
1427 | } | |
1428 | else if (val != 0 && p == 0) | |
1429 | p = val; | |
1430 | ||
1431 | if (p == arg) | |
1432 | error_no_arg ("environment variable to set"); | |
1433 | ||
1434 | if (p == 0 || p[1] == 0) | |
1435 | { | |
1436 | nullset = 1; | |
1437 | if (p == 0) | |
1438 | p = arg + strlen (arg); /* So that savestring below will work */ | |
1439 | } | |
1440 | else | |
1441 | { | |
1442 | /* Not setting variable value to null */ | |
1443 | val = p + 1; | |
1444 | while (*val == ' ' || *val == '\t') | |
1445 | val++; | |
1446 | } | |
1447 | ||
c5aa993b JM |
1448 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
1449 | p--; | |
c906108c SS |
1450 | |
1451 | var = savestring (arg, p - arg); | |
1452 | if (nullset) | |
1453 | { | |
1454 | printf_filtered ("Setting environment variable "); | |
1455 | printf_filtered ("\"%s\" to null value.\n", var); | |
1456 | set_in_environ (inferior_environ, var, ""); | |
1457 | } | |
1458 | else | |
1459 | set_in_environ (inferior_environ, var, val); | |
b8c9b27d | 1460 | xfree (var); |
c906108c SS |
1461 | } |
1462 | ||
1463 | static void | |
fba45db2 | 1464 | unset_environment_command (char *var, int from_tty) |
c906108c SS |
1465 | { |
1466 | if (var == 0) | |
1467 | { | |
1468 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 1469 | Ask for confirmation if reading from the terminal. */ |
c906108c SS |
1470 | if (!from_tty || query ("Delete all environment variables? ")) |
1471 | { | |
1472 | free_environ (inferior_environ); | |
1473 | inferior_environ = make_environ (); | |
1474 | } | |
1475 | } | |
1476 | else | |
1477 | unset_in_environ (inferior_environ, var); | |
1478 | } | |
1479 | ||
1480 | /* Handle the execution path (PATH variable) */ | |
1481 | ||
1482 | static const char path_var_name[] = "PATH"; | |
1483 | ||
c906108c | 1484 | static void |
fba45db2 | 1485 | path_info (char *args, int from_tty) |
c906108c SS |
1486 | { |
1487 | puts_filtered ("Executable and object file path: "); | |
1488 | puts_filtered (get_in_environ (inferior_environ, path_var_name)); | |
1489 | puts_filtered ("\n"); | |
1490 | } | |
1491 | ||
1492 | /* Add zero or more directories to the front of the execution path. */ | |
1493 | ||
1494 | static void | |
fba45db2 | 1495 | path_command (char *dirname, int from_tty) |
c906108c SS |
1496 | { |
1497 | char *exec_path; | |
1498 | char *env; | |
1499 | dont_repeat (); | |
1500 | env = get_in_environ (inferior_environ, path_var_name); | |
1501 | /* Can be null if path is not set */ | |
1502 | if (!env) | |
1503 | env = ""; | |
4fcf66da | 1504 | exec_path = xstrdup (env); |
c906108c SS |
1505 | mod_path (dirname, &exec_path); |
1506 | set_in_environ (inferior_environ, path_var_name, exec_path); | |
b8c9b27d | 1507 | xfree (exec_path); |
c906108c | 1508 | if (from_tty) |
c5aa993b | 1509 | path_info ((char *) NULL, from_tty); |
c906108c | 1510 | } |
c906108c | 1511 | \f |
c5aa993b | 1512 | |
4782dc19 | 1513 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
1514 | registers (print_all == 1) or all non-float and non-vector |
1515 | registers (print_all == 0). | |
c906108c SS |
1516 | |
1517 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
1518 | register(s) one per line is good enough. If a different format is |
1519 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
1520 | regs), or there is an existing convention for showing all the | |
1521 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
1522 | provide that format. */ | |
c906108c | 1523 | |
666e11c5 | 1524 | void |
0ab7a791 AC |
1525 | default_print_registers_info (struct gdbarch *gdbarch, |
1526 | struct ui_file *file, | |
1527 | struct frame_info *frame, | |
1528 | int regnum, int print_all) | |
c906108c | 1529 | { |
0ab7a791 AC |
1530 | int i; |
1531 | const int numregs = NUM_REGS + NUM_PSEUDO_REGS; | |
0c92afe8 AC |
1532 | char raw_buffer[MAX_REGISTER_SIZE]; |
1533 | char virtual_buffer[MAX_REGISTER_SIZE]; | |
0ab7a791 | 1534 | |
903ad3a6 | 1535 | if (DEPRECATED_DO_REGISTERS_INFO_P ()) |
0ab7a791 | 1536 | { |
903ad3a6 | 1537 | DEPRECATED_DO_REGISTERS_INFO (regnum, print_all); |
0ab7a791 AC |
1538 | return; |
1539 | } | |
c906108c SS |
1540 | |
1541 | for (i = 0; i < numregs; i++) | |
1542 | { | |
4782dc19 AC |
1543 | /* Decide between printing all regs, non-float / vector regs, or |
1544 | specific reg. */ | |
c5aa993b JM |
1545 | if (regnum == -1) |
1546 | { | |
f9418c0f | 1547 | if (print_all) |
4782dc19 | 1548 | { |
f9418c0f | 1549 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 1550 | continue; |
f9418c0f AC |
1551 | } |
1552 | else | |
1553 | { | |
1554 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
1555 | continue; |
1556 | } | |
c5aa993b JM |
1557 | } |
1558 | else | |
1559 | { | |
1560 | if (i != regnum) | |
1561 | continue; | |
1562 | } | |
c906108c SS |
1563 | |
1564 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 1565 | processor, so don't display anything. */ |
c906108c SS |
1566 | if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0') |
1567 | continue; | |
1568 | ||
0ab7a791 AC |
1569 | fputs_filtered (REGISTER_NAME (i), file); |
1570 | print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file); | |
c906108c SS |
1571 | |
1572 | /* Get the data in raw format. */ | |
0ab7a791 | 1573 | if (! frame_register_read (frame, i, raw_buffer)) |
c906108c | 1574 | { |
0ab7a791 | 1575 | fprintf_filtered (file, "*value not available*\n"); |
c906108c SS |
1576 | continue; |
1577 | } | |
1578 | ||
0ab7a791 AC |
1579 | /* FIXME: cagney/2002-08-03: This code shouldn't be necessary. |
1580 | The function frame_register_read() should have returned the | |
1581 | pre-cooked register so no conversion is necessary. */ | |
c906108c | 1582 | /* Convert raw data to virtual format if necessary. */ |
781a750d | 1583 | if (DEPRECATED_REGISTER_CONVERTIBLE (i)) |
c906108c | 1584 | { |
781a750d | 1585 | DEPRECATED_REGISTER_CONVERT_TO_VIRTUAL (i, register_type (current_gdbarch, i), |
c906108c SS |
1586 | raw_buffer, virtual_buffer); |
1587 | } | |
1588 | else | |
392a587b JM |
1589 | { |
1590 | memcpy (virtual_buffer, raw_buffer, | |
f30992d4 | 1591 | DEPRECATED_REGISTER_VIRTUAL_SIZE (i)); |
392a587b | 1592 | } |
c906108c | 1593 | |
0ab7a791 AC |
1594 | /* If virtual format is floating, print it that way, and in raw |
1595 | hex. */ | |
7b83296f | 1596 | if (TYPE_CODE (register_type (current_gdbarch, i)) == TYPE_CODE_FLT) |
c906108c | 1597 | { |
0ab7a791 | 1598 | int j; |
c906108c | 1599 | |
7b83296f | 1600 | val_print (register_type (current_gdbarch, i), virtual_buffer, 0, 0, |
0ab7a791 | 1601 | file, 0, 1, 0, Val_pretty_default); |
c906108c | 1602 | |
0ab7a791 | 1603 | fprintf_filtered (file, "\t(raw 0x"); |
12c266ea | 1604 | for (j = 0; j < DEPRECATED_REGISTER_RAW_SIZE (i); j++) |
c906108c | 1605 | { |
0ab7a791 AC |
1606 | int idx; |
1607 | if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) | |
1608 | idx = j; | |
1609 | else | |
12c266ea | 1610 | idx = DEPRECATED_REGISTER_RAW_SIZE (i) - 1 - j; |
0ab7a791 | 1611 | fprintf_filtered (file, "%02x", (unsigned char) raw_buffer[idx]); |
c906108c | 1612 | } |
0ab7a791 | 1613 | fprintf_filtered (file, ")"); |
c906108c | 1614 | } |
c906108c SS |
1615 | else |
1616 | { | |
ab4327e0 | 1617 | /* Print the register in hex. */ |
7b83296f | 1618 | val_print (register_type (current_gdbarch, i), virtual_buffer, 0, 0, |
9d84ac84 | 1619 | file, 'x', 1, 0, Val_pretty_default); |
ab4327e0 EZ |
1620 | /* If not a vector register, print it also according to its |
1621 | natural format. */ | |
7b83296f | 1622 | if (TYPE_VECTOR (register_type (current_gdbarch, i)) == 0) |
ab4327e0 | 1623 | { |
9d84ac84 | 1624 | fprintf_filtered (file, "\t"); |
7b83296f | 1625 | val_print (register_type (current_gdbarch, i), virtual_buffer, 0, 0, |
9d84ac84 | 1626 | file, 0, 1, 0, Val_pretty_default); |
ab4327e0 | 1627 | } |
c906108c SS |
1628 | } |
1629 | ||
0ab7a791 | 1630 | fprintf_filtered (file, "\n"); |
c906108c SS |
1631 | } |
1632 | } | |
c906108c | 1633 | |
c906108c | 1634 | void |
fba45db2 | 1635 | registers_info (char *addr_exp, int fpregs) |
c906108c SS |
1636 | { |
1637 | int regnum, numregs; | |
52f0bd74 | 1638 | char *end; |
c906108c SS |
1639 | |
1640 | if (!target_has_registers) | |
1641 | error ("The program has no registers now."); | |
6e7f8b9c | 1642 | if (deprecated_selected_frame == NULL) |
c906108c SS |
1643 | error ("No selected frame."); |
1644 | ||
1645 | if (!addr_exp) | |
1646 | { | |
0ab7a791 | 1647 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, |
6e7f8b9c | 1648 | deprecated_selected_frame, -1, fpregs); |
c906108c SS |
1649 | return; |
1650 | } | |
1651 | ||
f9418c0f | 1652 | while (*addr_exp != '\0') |
c5aa993b | 1653 | { |
f9418c0f AC |
1654 | char *start; |
1655 | const char *end; | |
c906108c | 1656 | |
f9418c0f AC |
1657 | /* Keep skipping leading white space. */ |
1658 | if (isspace ((*addr_exp))) | |
1659 | { | |
1660 | addr_exp++; | |
1661 | continue; | |
1662 | } | |
c906108c | 1663 | |
f9418c0f AC |
1664 | /* Discard any leading ``$''. Check that there is something |
1665 | resembling a register following it. */ | |
1666 | if (addr_exp[0] == '$') | |
1667 | addr_exp++; | |
1668 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
1669 | error ("Missing register name"); | |
c906108c | 1670 | |
f9418c0f AC |
1671 | /* Find the start/end of this register name/num/group. */ |
1672 | start = addr_exp; | |
1673 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
1674 | addr_exp++; | |
1675 | end = addr_exp; | |
1676 | ||
1677 | /* Figure out what we've found and display it. */ | |
1678 | ||
1679 | /* A register name? */ | |
1680 | { | |
eb8bc282 AC |
1681 | int regnum = frame_map_name_to_regnum (deprecated_selected_frame, |
1682 | start, end - start); | |
f9418c0f AC |
1683 | if (regnum >= 0) |
1684 | { | |
1685 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, | |
6e7f8b9c | 1686 | deprecated_selected_frame, regnum, fpregs); |
f9418c0f AC |
1687 | continue; |
1688 | } | |
1689 | } | |
1690 | ||
1691 | /* A register number? (how portable is this one?). */ | |
1692 | { | |
1693 | char *endptr; | |
1694 | int regnum = strtol (start, &endptr, 0); | |
1695 | if (endptr == end | |
1696 | && regnum >= 0 | |
1697 | && regnum < NUM_REGS + NUM_PSEUDO_REGS) | |
1698 | { | |
1699 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, | |
6e7f8b9c | 1700 | deprecated_selected_frame, regnum, fpregs); |
f9418c0f AC |
1701 | continue; |
1702 | } | |
1703 | } | |
1704 | ||
1705 | /* A register group? */ | |
1706 | { | |
6c7d17ba AC |
1707 | struct reggroup *group; |
1708 | for (group = reggroup_next (current_gdbarch, NULL); | |
1709 | group != NULL; | |
1710 | group = reggroup_next (current_gdbarch, group)) | |
f9418c0f AC |
1711 | { |
1712 | /* Don't bother with a length check. Should the user | |
1713 | enter a short register group name, go with the first | |
1714 | group that matches. */ | |
6c7d17ba | 1715 | if (strncmp (start, reggroup_name (group), end - start) == 0) |
f9418c0f AC |
1716 | break; |
1717 | } | |
6c7d17ba | 1718 | if (group != NULL) |
f9418c0f AC |
1719 | { |
1720 | int regnum; | |
1721 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) | |
1722 | { | |
1723 | if (gdbarch_register_reggroup_p (current_gdbarch, regnum, | |
6c7d17ba | 1724 | group)) |
f9418c0f | 1725 | gdbarch_print_registers_info (current_gdbarch, |
6e7f8b9c | 1726 | gdb_stdout, deprecated_selected_frame, |
f9418c0f AC |
1727 | regnum, fpregs); |
1728 | } | |
1729 | continue; | |
1730 | } | |
1731 | } | |
c906108c | 1732 | |
f9418c0f AC |
1733 | /* Nothing matched. */ |
1734 | error ("Invalid register `%.*s'", (int) (end - start), start); | |
c5aa993b | 1735 | } |
c906108c SS |
1736 | } |
1737 | ||
1738 | void | |
fba45db2 | 1739 | all_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1740 | { |
1741 | registers_info (addr_exp, 1); | |
1742 | } | |
1743 | ||
a58dd373 | 1744 | static void |
fba45db2 | 1745 | nofp_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1746 | { |
1747 | registers_info (addr_exp, 0); | |
1748 | } | |
e76f1f2e AC |
1749 | |
1750 | static void | |
1751 | print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, | |
1752 | struct frame_info *frame, const char *args) | |
1753 | { | |
e71ecd70 MK |
1754 | if (!target_has_registers) |
1755 | error ("The program has no registers now."); | |
6e7f8b9c | 1756 | if (deprecated_selected_frame == NULL) |
e71ecd70 MK |
1757 | error ("No selected frame."); |
1758 | ||
e76f1f2e AC |
1759 | if (gdbarch_print_vector_info_p (gdbarch)) |
1760 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
1761 | else | |
1762 | { | |
1763 | int regnum; | |
1764 | int printed_something = 0; | |
ab4327e0 | 1765 | |
e76f1f2e AC |
1766 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) |
1767 | { | |
f9418c0f | 1768 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
1769 | { |
1770 | printed_something = 1; | |
e76f1f2e | 1771 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
1772 | } |
1773 | } | |
1774 | if (!printed_something) | |
1775 | fprintf_filtered (file, "No vector information\n"); | |
1776 | } | |
1777 | } | |
1778 | ||
1779 | static void | |
1780 | vector_info (char *args, int from_tty) | |
1781 | { | |
6e7f8b9c | 1782 | print_vector_info (current_gdbarch, gdb_stdout, deprecated_selected_frame, args); |
e76f1f2e | 1783 | } |
c906108c | 1784 | \f |
c5aa993b | 1785 | |
c906108c SS |
1786 | /* |
1787 | * TODO: | |
1788 | * Should save/restore the tty state since it might be that the | |
1789 | * program to be debugged was started on this tty and it wants | |
1790 | * the tty in some state other than what we want. If it's running | |
1791 | * on another terminal or without a terminal, then saving and | |
1792 | * restoring the tty state is a harmless no-op. | |
1793 | * This only needs to be done if we are attaching to a process. | |
1794 | */ | |
1795 | ||
1796 | /* | |
1797 | attach_command -- | |
1798 | takes a program started up outside of gdb and ``attaches'' to it. | |
1799 | This stops it cold in its tracks and allows us to start debugging it. | |
1800 | and wait for the trace-trap that results from attaching. */ | |
1801 | ||
1802 | void | |
fba45db2 | 1803 | attach_command (char *args, int from_tty) |
c906108c | 1804 | { |
c5aa993b JM |
1805 | char *exec_file; |
1806 | char *full_exec_path = NULL; | |
c906108c | 1807 | |
c5aa993b | 1808 | dont_repeat (); /* Not for the faint of heart */ |
c906108c SS |
1809 | |
1810 | if (target_has_execution) | |
1811 | { | |
1812 | if (query ("A program is being debugged already. Kill it? ")) | |
1813 | target_kill (); | |
1814 | else | |
1815 | error ("Not killed."); | |
1816 | } | |
1817 | ||
1818 | target_attach (args, from_tty); | |
1819 | ||
1820 | /* Set up the "saved terminal modes" of the inferior | |
1821 | based on what modes we are starting it with. */ | |
1822 | target_terminal_init (); | |
1823 | ||
1824 | /* Install inferior's terminal modes. */ | |
1825 | target_terminal_inferior (); | |
1826 | ||
1827 | /* Set up execution context to know that we should return from | |
1828 | wait_for_inferior as soon as the target reports a stop. */ | |
1829 | init_wait_for_inferior (); | |
1830 | clear_proceed_status (); | |
c906108c SS |
1831 | |
1832 | /* No traps are generated when attaching to inferior under Mach 3 | |
1833 | or GNU hurd. */ | |
1834 | #ifndef ATTACH_NO_WAIT | |
c54cfec8 EZ |
1835 | /* Careful here. See comments in inferior.h. Basically some OSes |
1836 | don't ignore SIGSTOPs on continue requests anymore. We need a | |
1837 | way for handle_inferior_event to reset the stop_signal variable | |
1838 | after an attach, and this is what STOP_QUIETLY_NO_SIGSTOP is for. */ | |
c0236d92 | 1839 | stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c906108c | 1840 | wait_for_inferior (); |
c0236d92 | 1841 | stop_soon = NO_STOP_QUIETLY; |
c906108c SS |
1842 | #endif |
1843 | ||
1844 | /* | |
1845 | * If no exec file is yet known, try to determine it from the | |
1846 | * process itself. | |
1847 | */ | |
1848 | exec_file = (char *) get_exec_file (0); | |
c5aa993b JM |
1849 | if (!exec_file) |
1850 | { | |
39f77062 | 1851 | exec_file = target_pid_to_exec_file (PIDGET (inferior_ptid)); |
c5aa993b JM |
1852 | if (exec_file) |
1853 | { | |
1854 | /* It's possible we don't have a full path, but rather just a | |
1855 | filename. Some targets, such as HP-UX, don't provide the | |
1856 | full path, sigh. | |
1857 | ||
1858 | Attempt to qualify the filename against the source path. | |
1859 | (If that fails, we'll just fall back on the original | |
1860 | filename. Not much more we can do...) | |
1861 | */ | |
1862 | if (!source_full_path_of (exec_file, &full_exec_path)) | |
1863 | full_exec_path = savestring (exec_file, strlen (exec_file)); | |
1864 | ||
1865 | exec_file_attach (full_exec_path, from_tty); | |
1adeb98a | 1866 | symbol_file_add_main (full_exec_path, from_tty); |
c5aa993b | 1867 | } |
c906108c | 1868 | } |
c906108c SS |
1869 | |
1870 | #ifdef SOLIB_ADD | |
990f9fe3 FF |
1871 | /* Add shared library symbols from the newly attached process, if any. */ |
1872 | SOLIB_ADD ((char *) 0, from_tty, ¤t_target, auto_solib_add); | |
1873 | re_enable_breakpoints_in_shlibs (); | |
c906108c SS |
1874 | #endif |
1875 | ||
1876 | /* Take any necessary post-attaching actions for this platform. | |
c5aa993b | 1877 | */ |
39f77062 | 1878 | target_post_attach (PIDGET (inferior_ptid)); |
c906108c SS |
1879 | |
1880 | normal_stop (); | |
6426a772 JM |
1881 | |
1882 | if (attach_hook) | |
1883 | attach_hook (); | |
c906108c SS |
1884 | } |
1885 | ||
1886 | /* | |
1887 | * detach_command -- | |
1888 | * takes a program previously attached to and detaches it. | |
1889 | * The program resumes execution and will no longer stop | |
1890 | * on signals, etc. We better not have left any breakpoints | |
1891 | * in the program or it'll die when it hits one. For this | |
1892 | * to work, it may be necessary for the process to have been | |
1893 | * previously attached. It *might* work if the program was | |
1894 | * started via the normal ptrace (PTRACE_TRACEME). | |
1895 | */ | |
1896 | ||
1897 | static void | |
fba45db2 | 1898 | detach_command (char *args, int from_tty) |
c906108c | 1899 | { |
c5aa993b | 1900 | dont_repeat (); /* Not for the faint of heart */ |
c906108c SS |
1901 | target_detach (args, from_tty); |
1902 | #if defined(SOLIB_RESTART) | |
1903 | SOLIB_RESTART (); | |
1904 | #endif | |
6426a772 JM |
1905 | if (detach_hook) |
1906 | detach_hook (); | |
c906108c SS |
1907 | } |
1908 | ||
6ad8ae5c DJ |
1909 | /* Disconnect from the current target without resuming it (leaving it |
1910 | waiting for a debugger). | |
1911 | ||
1912 | We'd better not have left any breakpoints in the program or the | |
1913 | next debugger will get confused. Currently only supported for some | |
1914 | remote targets, since the normal attach mechanisms don't work on | |
1915 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
1916 | ||
1917 | static void | |
1918 | disconnect_command (char *args, int from_tty) | |
1919 | { | |
1920 | dont_repeat (); /* Not for the faint of heart */ | |
1921 | target_disconnect (args, from_tty); | |
1922 | #if defined(SOLIB_RESTART) | |
1923 | SOLIB_RESTART (); | |
1924 | #endif | |
1925 | if (detach_hook) | |
1926 | detach_hook (); | |
1927 | } | |
1928 | ||
43ff13b4 JM |
1929 | /* Stop the execution of the target while running in async mode, in |
1930 | the backgound. */ | |
8b93c638 | 1931 | void |
fba45db2 | 1932 | interrupt_target_command (char *args, int from_tty) |
43ff13b4 | 1933 | { |
6426a772 | 1934 | if (event_loop_p && target_can_async_p ()) |
43ff13b4 | 1935 | { |
c5aa993b | 1936 | dont_repeat (); /* Not for the faint of heart */ |
43ff13b4 JM |
1937 | target_stop (); |
1938 | } | |
1939 | } | |
1940 | ||
c906108c | 1941 | static void |
23e3a7ac AC |
1942 | print_float_info (struct gdbarch *gdbarch, struct ui_file *file, |
1943 | struct frame_info *frame, const char *args) | |
c906108c | 1944 | { |
e71ecd70 MK |
1945 | if (!target_has_registers) |
1946 | error ("The program has no registers now."); | |
6e7f8b9c | 1947 | if (deprecated_selected_frame == NULL) |
e71ecd70 MK |
1948 | error ("No selected frame."); |
1949 | ||
23e3a7ac AC |
1950 | if (gdbarch_print_float_info_p (gdbarch)) |
1951 | gdbarch_print_float_info (gdbarch, file, frame, args); | |
1952 | else | |
1953 | { | |
23e3a7ac AC |
1954 | int regnum; |
1955 | int printed_something = 0; | |
ab4327e0 | 1956 | |
23e3a7ac AC |
1957 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) |
1958 | { | |
f9418c0f | 1959 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac AC |
1960 | { |
1961 | printed_something = 1; | |
23e3a7ac | 1962 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
23e3a7ac AC |
1963 | } |
1964 | } | |
1965 | if (!printed_something) | |
1966 | fprintf_filtered (file, "\ | |
1967 | No floating-point info available for this processor.\n"); | |
23e3a7ac AC |
1968 | } |
1969 | } | |
1970 | ||
1971 | static void | |
1972 | float_info (char *args, int from_tty) | |
1973 | { | |
6e7f8b9c | 1974 | print_float_info (current_gdbarch, gdb_stdout, deprecated_selected_frame, args); |
c906108c SS |
1975 | } |
1976 | \f | |
c906108c | 1977 | static void |
fba45db2 | 1978 | unset_command (char *args, int from_tty) |
c906108c SS |
1979 | { |
1980 | printf_filtered ("\"unset\" must be followed by the name of "); | |
1981 | printf_filtered ("an unset subcommand.\n"); | |
1982 | help_list (unsetlist, "unset ", -1, gdb_stdout); | |
1983 | } | |
1984 | ||
1985 | void | |
fba45db2 | 1986 | _initialize_infcmd (void) |
c906108c SS |
1987 | { |
1988 | struct cmd_list_element *c; | |
c5aa993b | 1989 | |
c94fdfd0 EZ |
1990 | c = add_com ("tty", class_run, tty_command, |
1991 | "Set terminal for future runs of program being debugged."); | |
5ba2abeb | 1992 | set_cmd_completer (c, filename_completer); |
c906108c | 1993 | |
fa58ee11 EZ |
1994 | c = add_set_cmd ("args", class_run, var_string_noescape, |
1995 | (char *) &inferior_args, | |
1996 | "Set argument list to give program being debugged when it is started.\n\ | |
c906108c | 1997 | Follow this command with any number of args, to be passed to the program.", |
fa58ee11 | 1998 | &setlist); |
5ba2abeb | 1999 | set_cmd_completer (c, filename_completer); |
9f60d481 | 2000 | set_cmd_sfunc (c, notice_args_set); |
552c04a7 | 2001 | c = add_show_from_set (c, &showlist); |
9f60d481 | 2002 | set_cmd_sfunc (c, notice_args_read); |
c906108c SS |
2003 | |
2004 | c = add_cmd | |
2005 | ("environment", no_class, environment_info, | |
2006 | "The environment to give the program, or one variable's value.\n\ | |
2007 | With an argument VAR, prints the value of environment variable VAR to\n\ | |
2008 | give the program being debugged. With no arguments, prints the entire\n\ | |
2009 | environment to be given to the program.", &showlist); | |
5ba2abeb | 2010 | set_cmd_completer (c, noop_completer); |
c906108c SS |
2011 | |
2012 | add_prefix_cmd ("unset", no_class, unset_command, | |
d4654627 | 2013 | "Complement to certain \"set\" commands.", |
c906108c | 2014 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 2015 | |
c906108c | 2016 | c = add_cmd ("environment", class_run, unset_environment_command, |
c5aa993b | 2017 | "Cancel environment variable VAR for the program.\n\ |
c906108c | 2018 | This does not affect the program until the next \"run\" command.", |
c5aa993b | 2019 | &unsetlist); |
5ba2abeb | 2020 | set_cmd_completer (c, noop_completer); |
c906108c SS |
2021 | |
2022 | c = add_cmd ("environment", class_run, set_environment_command, | |
2023 | "Set environment variable value to give the program.\n\ | |
2024 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ | |
2025 | VALUES of environment variables are uninterpreted strings.\n\ | |
2026 | This does not affect the program until the next \"run\" command.", | |
c5aa993b | 2027 | &setlist); |
5ba2abeb | 2028 | set_cmd_completer (c, noop_completer); |
c5aa993b | 2029 | |
fa58ee11 EZ |
2030 | c = add_com ("path", class_files, path_command, |
2031 | "Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
2032 | $cwd in the path means the current working directory.\n\ |
2033 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2034 | directories, separated by colons. These directories are searched to find\n\ | |
2035 | fully linked executable files and separately compiled object files as needed."); | |
5ba2abeb | 2036 | set_cmd_completer (c, filename_completer); |
c906108c SS |
2037 | |
2038 | c = add_cmd ("paths", no_class, path_info, | |
c5aa993b | 2039 | "Current search path for finding object files.\n\ |
c906108c SS |
2040 | $cwd in the path means the current working directory.\n\ |
2041 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2042 | directories, separated by colons. These directories are searched to find\n\ | |
2043 | fully linked executable files and separately compiled object files as needed.", | |
2044 | &showlist); | |
5ba2abeb | 2045 | set_cmd_completer (c, noop_completer); |
c906108c | 2046 | |
c5aa993b JM |
2047 | add_com ("attach", class_run, attach_command, |
2048 | "Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
2049 | This command attaches to another target, of the same type as your last\n\ |
2050 | \"target\" command (\"info files\" will show your target stack).\n\ | |
2051 | The command may take as argument a process id or a device file.\n\ | |
2052 | For a process id, you must have permission to send the process a signal,\n\ | |
2053 | and it must have the same effective uid as the debugger.\n\ | |
2054 | When using \"attach\" with a process id, the debugger finds the\n\ | |
2055 | program running in the process, looking first in the current working\n\ | |
2056 | directory, or (if not found there) using the source file search path\n\ | |
2057 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
2058 | to specify the program, and to load its symbol table."); | |
2059 | ||
2060 | add_com ("detach", class_run, detach_command, | |
2061 | "Detach a process or file previously attached.\n\ | |
2062 | If a process, it is no longer traced, and it continues its execution. If\n\ | |
2063 | you were debugging a file, the file is closed and gdb no longer accesses it."); | |
2064 | ||
6ad8ae5c DJ |
2065 | add_com ("disconnect", class_run, disconnect_command, |
2066 | "Disconnect from a target.\n\ | |
2067 | The target will wait for another debugger to connect. Not available for\n\ | |
2068 | all targets."); | |
2069 | ||
c906108c SS |
2070 | add_com ("signal", class_run, signal_command, |
2071 | "Continue program giving it signal specified by the argument.\n\ | |
2072 | An argument of \"0\" means continue program without giving it a signal."); | |
2073 | ||
2074 | add_com ("stepi", class_run, stepi_command, | |
2075 | "Step one instruction exactly.\n\ | |
2076 | Argument N means do this N times (or till program stops for another reason)."); | |
2077 | add_com_alias ("si", "stepi", class_alias, 0); | |
2078 | ||
2079 | add_com ("nexti", class_run, nexti_command, | |
2080 | "Step one instruction, but proceed through subroutine calls.\n\ | |
2081 | Argument N means do this N times (or till program stops for another reason)."); | |
2082 | add_com_alias ("ni", "nexti", class_alias, 0); | |
2083 | ||
2084 | add_com ("finish", class_run, finish_command, | |
2085 | "Execute until selected stack frame returns.\n\ | |
2086 | Upon return, the value returned is printed and put in the value history."); | |
2087 | ||
2088 | add_com ("next", class_run, next_command, | |
2089 | "Step program, proceeding through subroutine calls.\n\ | |
2090 | Like the \"step\" command as long as subroutine calls do not happen;\n\ | |
2091 | when they do, the call is treated as one instruction.\n\ | |
2092 | Argument N means do this N times (or till program stops for another reason)."); | |
2093 | add_com_alias ("n", "next", class_run, 1); | |
2094 | if (xdb_commands) | |
c5aa993b | 2095 | add_com_alias ("S", "next", class_run, 1); |
c906108c SS |
2096 | |
2097 | add_com ("step", class_run, step_command, | |
2098 | "Step program until it reaches a different source line.\n\ | |
2099 | Argument N means do this N times (or till program stops for another reason)."); | |
2100 | add_com_alias ("s", "step", class_run, 1); | |
2101 | ||
c94fdfd0 EZ |
2102 | c = add_com ("until", class_run, until_command, |
2103 | "Execute until the program reaches a source line greater than the current\n\ | |
ae66c1fc | 2104 | or a specified location (same args as break command) within the current frame."); |
5ba2abeb | 2105 | set_cmd_completer (c, location_completer); |
c906108c | 2106 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 2107 | |
ae66c1fc EZ |
2108 | c = add_com ("advance", class_run, advance_command, |
2109 | "Continue the program up to the given location (same form as args for break command).\n\ | |
2110 | Execution will also stop upon exit from the current stack frame."); | |
2111 | set_cmd_completer (c, location_completer); | |
2112 | ||
c94fdfd0 EZ |
2113 | c = add_com ("jump", class_run, jump_command, |
2114 | "Continue program being debugged at specified line or address.\n\ | |
c906108c SS |
2115 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
2116 | for an address to start at."); | |
5ba2abeb | 2117 | set_cmd_completer (c, location_completer); |
c906108c | 2118 | |
b83266a0 | 2119 | if (xdb_commands) |
c94fdfd0 EZ |
2120 | { |
2121 | c = add_com ("go", class_run, go_command, | |
2122 | "Usage: go <location>\n\ | |
c906108c SS |
2123 | Continue program being debugged, stopping at specified line or \n\ |
2124 | address.\n\ | |
2125 | Give as argument either LINENUM or *ADDR, where ADDR is an \n\ | |
2126 | expression for an address to start at.\n\ | |
2127 | This command is a combination of tbreak and jump."); | |
5ba2abeb | 2128 | set_cmd_completer (c, location_completer); |
c94fdfd0 | 2129 | } |
b83266a0 | 2130 | |
c906108c | 2131 | if (xdb_commands) |
c5aa993b | 2132 | add_com_alias ("g", "go", class_run, 1); |
c906108c SS |
2133 | |
2134 | add_com ("continue", class_run, continue_command, | |
2135 | "Continue program being debugged, after signal or breakpoint.\n\ | |
2136 | If proceeding from breakpoint, a number N may be used as an argument,\n\ | |
2137 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
2138 | the breakpoint won't break until the Nth time it is reached)."); | |
2139 | add_com_alias ("c", "cont", class_run, 1); | |
2140 | add_com_alias ("fg", "cont", class_run, 1); | |
2141 | ||
fa58ee11 | 2142 | c = add_com ("run", class_run, run_command, |
c906108c SS |
2143 | "Start debugged program. You may specify arguments to give it.\n\ |
2144 | Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\ | |
2145 | Input and output redirection with \">\", \"<\", or \">>\" are also allowed.\n\n\ | |
2146 | With no arguments, uses arguments last specified (with \"run\" or \"set args\").\n\ | |
2147 | To cancel previous arguments and run with no arguments,\n\ | |
2148 | use \"set args\" without arguments."); | |
5ba2abeb | 2149 | set_cmd_completer (c, filename_completer); |
c906108c SS |
2150 | add_com_alias ("r", "run", class_run, 1); |
2151 | if (xdb_commands) | |
2152 | add_com ("R", class_run, run_no_args_command, | |
c5aa993b | 2153 | "Start debugged program with no arguments."); |
c906108c | 2154 | |
43ff13b4 JM |
2155 | add_com ("interrupt", class_run, interrupt_target_command, |
2156 | "Interrupt the execution of the debugged program."); | |
2157 | ||
c906108c | 2158 | add_info ("registers", nofp_registers_info, |
c5aa993b | 2159 | "List of integer registers and their contents, for selected stack frame.\n\ |
c906108c | 2160 | Register name as argument means describe only that register."); |
7194c49b | 2161 | add_info_alias ("r", "registers", 1); |
c906108c SS |
2162 | |
2163 | if (xdb_commands) | |
c5aa993b JM |
2164 | add_com ("lr", class_info, nofp_registers_info, |
2165 | "List of integer registers and their contents, for selected stack frame.\n\ | |
c906108c SS |
2166 | Register name as argument means describe only that register."); |
2167 | add_info ("all-registers", all_registers_info, | |
c5aa993b | 2168 | "List of all registers and their contents, for selected stack frame.\n\ |
c906108c SS |
2169 | Register name as argument means describe only that register."); |
2170 | ||
2171 | add_info ("program", program_info, | |
2172 | "Execution status of the program."); | |
2173 | ||
2174 | add_info ("float", float_info, | |
2175 | "Print the status of the floating point unit\n"); | |
2176 | ||
e76f1f2e AC |
2177 | add_info ("vector", vector_info, |
2178 | "Print the status of the vector unit\n"); | |
2179 | ||
c906108c SS |
2180 | inferior_environ = make_environ (); |
2181 | init_environ (inferior_environ); | |
2182 | } |