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 | 4 | 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, |
4c38e0a4 | 5 | 2008, 2009, 2010 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" | |
5af949e3 | 23 | #include "arch-utils.h" |
c906108c SS |
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" |
a77053c2 | 46 | #include "solib.h" |
f9418c0f | 47 | #include <ctype.h> |
92ad9cd9 | 48 | #include "gdb_assert.h" |
281b533b | 49 | #include "observer.h" |
424163ea | 50 | #include "target-descriptions.h" |
ad842144 | 51 | #include "user-regs.h" |
32c1e744 | 52 | #include "exceptions.h" |
700b53b1 | 53 | #include "cli/cli-decode.h" |
a0ef4274 | 54 | #include "gdbthread.h" |
79a45b7d | 55 | #include "valprint.h" |
edb3359d | 56 | #include "inline-frame.h" |
72cec141 | 57 | |
d5551862 SS |
58 | extern void disconnect_or_stop_tracing (int from_tty); |
59 | ||
a58dd373 | 60 | /* Functions exported for general use, in inferior.h: */ |
c906108c | 61 | |
a14ed312 | 62 | void all_registers_info (char *, int); |
c906108c | 63 | |
a14ed312 | 64 | void registers_info (char *, int); |
c906108c | 65 | |
a58dd373 EZ |
66 | void nexti_command (char *, int); |
67 | ||
68 | void stepi_command (char *, int); | |
c906108c | 69 | |
a14ed312 | 70 | void continue_command (char *, int); |
c906108c | 71 | |
a58dd373 EZ |
72 | void interrupt_target_command (char *args, int from_tty); |
73 | ||
74 | /* Local functions: */ | |
75 | ||
76 | static void nofp_registers_info (char *, int); | |
77 | ||
c055b101 CV |
78 | static void print_return_value (struct type *func_type, |
79 | struct type *value_type); | |
11cf8741 | 80 | |
a14ed312 | 81 | static void until_next_command (int); |
c906108c | 82 | |
a14ed312 | 83 | static void until_command (char *, int); |
c906108c | 84 | |
a14ed312 | 85 | static void path_info (char *, int); |
c906108c | 86 | |
a14ed312 | 87 | static void path_command (char *, int); |
c906108c | 88 | |
a14ed312 | 89 | static void unset_command (char *, int); |
c906108c | 90 | |
a14ed312 | 91 | static void float_info (char *, int); |
c906108c | 92 | |
6ad8ae5c DJ |
93 | static void disconnect_command (char *, int); |
94 | ||
a14ed312 | 95 | static void unset_environment_command (char *, int); |
c906108c | 96 | |
a14ed312 | 97 | static void set_environment_command (char *, int); |
c906108c | 98 | |
a14ed312 | 99 | static void environment_info (char *, int); |
c906108c | 100 | |
a14ed312 | 101 | static void program_info (char *, int); |
c906108c | 102 | |
a14ed312 | 103 | static void finish_command (char *, int); |
c906108c | 104 | |
a14ed312 | 105 | static void signal_command (char *, int); |
c906108c | 106 | |
a14ed312 | 107 | static void jump_command (char *, int); |
c906108c | 108 | |
a14ed312 | 109 | static void step_1 (int, int, char *); |
611c83ae | 110 | static void step_once (int skip_subroutines, int single_inst, int count, int thread); |
c906108c | 111 | |
a14ed312 | 112 | static void next_command (char *, int); |
c906108c | 113 | |
a14ed312 | 114 | static void step_command (char *, int); |
c906108c | 115 | |
a14ed312 | 116 | static void run_command (char *, int); |
c906108c | 117 | |
a14ed312 | 118 | static void run_no_args_command (char *args, int from_tty); |
392a587b | 119 | |
a14ed312 | 120 | static void go_command (char *line_no, int from_tty); |
392a587b | 121 | |
a14ed312 | 122 | static int strip_bg_char (char **); |
43ff13b4 | 123 | |
a14ed312 | 124 | void _initialize_infcmd (void); |
c906108c | 125 | |
c906108c | 126 | #define ERROR_NO_INFERIOR \ |
8a3fe4f8 | 127 | if (!target_has_execution) error (_("The program is not being run.")); |
c906108c | 128 | |
3f81c18a VP |
129 | /* Scratch area where string containing arguments to give to the program will be |
130 | stored by 'set args'. As soon as anything is stored, notice_args_set will | |
131 | move it into per-inferior storage. Arguments are separated by spaces. Empty | |
132 | string (pointer to '\0') means no args. */ | |
c906108c | 133 | |
3f81c18a | 134 | static char *inferior_args_scratch; |
c906108c | 135 | |
3f81c18a VP |
136 | /* Scratch area where 'set inferior-tty' will store user-provided value. |
137 | We'll immediate copy it into per-inferior storage. */ | |
552c04a7 | 138 | |
3f81c18a | 139 | static char *inferior_io_terminal_scratch; |
c906108c SS |
140 | |
141 | /* Pid of our debugged inferior, or 0 if no inferior now. | |
142 | Since various parts of infrun.c test this to see whether there is a program | |
143 | being debugged it should be nonzero (currently 3 is used) for remote | |
144 | debugging. */ | |
145 | ||
39f77062 | 146 | ptid_t inferior_ptid; |
c906108c | 147 | |
c906108c SS |
148 | /* Address at which inferior stopped. */ |
149 | ||
150 | CORE_ADDR stop_pc; | |
151 | ||
c906108c SS |
152 | /* Flag indicating that a command has proceeded the inferior past the |
153 | current breakpoint. */ | |
154 | ||
155 | int breakpoint_proceeded; | |
156 | ||
c906108c SS |
157 | /* Nonzero if stopped due to completion of a stack dummy routine. */ |
158 | ||
159 | int stop_stack_dummy; | |
160 | ||
161 | /* Nonzero if stopped due to a random (unexpected) signal in inferior | |
162 | process. */ | |
163 | ||
164 | int stopped_by_random_signal; | |
165 | ||
c906108c | 166 | \f |
07091751 FN |
167 | /* Accessor routines. */ |
168 | ||
3f81c18a VP |
169 | /* Set the io terminal for the current inferior. Ownership of |
170 | TERMINAL_NAME is not transferred. */ | |
171 | ||
3cb3b8df BR |
172 | void |
173 | set_inferior_io_terminal (const char *terminal_name) | |
174 | { | |
3f81c18a VP |
175 | xfree (current_inferior ()->terminal); |
176 | current_inferior ()->terminal = terminal_name ? xstrdup (terminal_name) : 0; | |
3cb3b8df BR |
177 | } |
178 | ||
179 | const char * | |
180 | get_inferior_io_terminal (void) | |
181 | { | |
3f81c18a VP |
182 | return current_inferior ()->terminal; |
183 | } | |
184 | ||
185 | static void | |
186 | set_inferior_tty_command (char *args, int from_tty, | |
187 | struct cmd_list_element *c) | |
188 | { | |
189 | /* CLI has assigned the user-provided value to inferior_io_terminal_scratch. | |
190 | Now route it to current inferior. */ | |
191 | set_inferior_io_terminal (inferior_io_terminal_scratch); | |
192 | } | |
193 | ||
194 | static void | |
195 | show_inferior_tty_command (struct ui_file *file, int from_tty, | |
196 | struct cmd_list_element *c, const char *value) | |
197 | { | |
198 | /* Note that we ignore the passed-in value in favor of computing it | |
199 | directly. */ | |
200 | fprintf_filtered (gdb_stdout, | |
201 | _("argument list to give program being debugged when " | |
202 | "it is started is %s"), | |
203 | get_inferior_io_terminal ()); | |
3cb3b8df BR |
204 | } |
205 | ||
07091751 FN |
206 | char * |
207 | get_inferior_args (void) | |
208 | { | |
3f81c18a | 209 | if (current_inferior ()->argc != 0) |
552c04a7 | 210 | { |
3f81c18a | 211 | char *n; |
552c04a7 | 212 | |
3f81c18a VP |
213 | n = construct_inferior_arguments (current_inferior ()->argc, |
214 | current_inferior ()->argv); | |
215 | set_inferior_args (n); | |
216 | xfree (n); | |
552c04a7 TT |
217 | } |
218 | ||
3f81c18a VP |
219 | if (current_inferior ()->args == NULL) |
220 | current_inferior ()->args = xstrdup (""); | |
552c04a7 | 221 | |
3f81c18a | 222 | return current_inferior ()->args; |
07091751 FN |
223 | } |
224 | ||
3f81c18a VP |
225 | /* Set the arguments for the current inferior. Ownership of |
226 | NEWARGS is not transferred. */ | |
227 | ||
228 | void | |
07091751 FN |
229 | set_inferior_args (char *newargs) |
230 | { | |
3f81c18a VP |
231 | xfree (current_inferior ()->args); |
232 | current_inferior ()->args = newargs ? xstrdup (newargs) : NULL; | |
233 | current_inferior ()->argc = 0; | |
234 | current_inferior ()->argv = 0; | |
07091751 | 235 | } |
c5aa993b | 236 | |
552c04a7 TT |
237 | void |
238 | set_inferior_args_vector (int argc, char **argv) | |
239 | { | |
3f81c18a VP |
240 | current_inferior ()->argc = argc; |
241 | current_inferior ()->argv = argv; | |
552c04a7 TT |
242 | } |
243 | ||
244 | /* Notice when `set args' is run. */ | |
245 | static void | |
3f81c18a | 246 | set_args_command (char *args, int from_tty, struct cmd_list_element *c) |
552c04a7 | 247 | { |
3f81c18a VP |
248 | /* CLI has assigned the user-provided value to inferior_args_scratch. |
249 | Now route it to current inferior. */ | |
250 | set_inferior_args (inferior_args_scratch); | |
552c04a7 TT |
251 | } |
252 | ||
253 | /* Notice when `show args' is run. */ | |
254 | static void | |
3f81c18a VP |
255 | show_args_command (struct ui_file *file, int from_tty, |
256 | struct cmd_list_element *c, const char *value) | |
552c04a7 | 257 | { |
258c00cc TT |
258 | /* Note that we ignore the passed-in value in favor of computing it |
259 | directly. */ | |
260 | deprecated_show_value_hack (file, from_tty, c, get_inferior_args ()); | |
552c04a7 TT |
261 | } |
262 | ||
c2a727fa TT |
263 | \f |
264 | /* Compute command-line string given argument vector. This does the | |
265 | same shell processing as fork_inferior. */ | |
c2a727fa | 266 | char * |
bd57a748 | 267 | construct_inferior_arguments (int argc, char **argv) |
c2a727fa TT |
268 | { |
269 | char *result; | |
270 | ||
271 | if (STARTUP_WITH_SHELL) | |
272 | { | |
273 | /* This holds all the characters considered special to the | |
274 | typical Unix shells. We include `^' because the SunOS | |
275 | /bin/sh treats it as a synonym for `|'. */ | |
276 | char *special = "\"!#$&*()\\|[]{}<>?'\"`~^; \t\n"; | |
277 | int i; | |
278 | int length = 0; | |
279 | char *out, *cp; | |
280 | ||
281 | /* We over-compute the size. It shouldn't matter. */ | |
282 | for (i = 0; i < argc; ++i) | |
c2226152 | 283 | length += 3 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0'); |
c2a727fa TT |
284 | |
285 | result = (char *) xmalloc (length); | |
286 | out = result; | |
287 | ||
288 | for (i = 0; i < argc; ++i) | |
289 | { | |
290 | if (i > 0) | |
291 | *out++ = ' '; | |
292 | ||
03c6228e AS |
293 | /* Need to handle empty arguments specially. */ |
294 | if (argv[i][0] == '\0') | |
c2a727fa | 295 | { |
03c6228e AS |
296 | *out++ = '\''; |
297 | *out++ = '\''; | |
298 | } | |
299 | else | |
300 | { | |
301 | for (cp = argv[i]; *cp; ++cp) | |
302 | { | |
c2226152 AS |
303 | if (*cp == '\n') |
304 | { | |
305 | /* A newline cannot be quoted with a backslash (it | |
306 | just disappears), only by putting it inside | |
307 | quotes. */ | |
308 | *out++ = '\''; | |
309 | *out++ = '\n'; | |
310 | *out++ = '\''; | |
311 | } | |
312 | else | |
313 | { | |
314 | if (strchr (special, *cp) != NULL) | |
315 | *out++ = '\\'; | |
316 | *out++ = *cp; | |
317 | } | |
03c6228e | 318 | } |
c2a727fa TT |
319 | } |
320 | } | |
321 | *out = '\0'; | |
322 | } | |
323 | else | |
324 | { | |
325 | /* In this case we can't handle arguments that contain spaces, | |
326 | tabs, or newlines -- see breakup_args(). */ | |
327 | int i; | |
328 | int length = 0; | |
329 | ||
330 | for (i = 0; i < argc; ++i) | |
331 | { | |
332 | char *cp = strchr (argv[i], ' '); | |
333 | if (cp == NULL) | |
334 | cp = strchr (argv[i], '\t'); | |
335 | if (cp == NULL) | |
336 | cp = strchr (argv[i], '\n'); | |
337 | if (cp != NULL) | |
8a3fe4f8 | 338 | error (_("can't handle command-line argument containing whitespace")); |
c2a727fa TT |
339 | length += strlen (argv[i]) + 1; |
340 | } | |
341 | ||
342 | result = (char *) xmalloc (length); | |
343 | result[0] = '\0'; | |
344 | for (i = 0; i < argc; ++i) | |
345 | { | |
346 | if (i > 0) | |
347 | strcat (result, " "); | |
348 | strcat (result, argv[i]); | |
349 | } | |
350 | } | |
351 | ||
352 | return result; | |
353 | } | |
552c04a7 TT |
354 | \f |
355 | ||
43ff13b4 JM |
356 | /* This function detects whether or not a '&' character (indicating |
357 | background execution) has been added as *the last* of the arguments ARGS | |
358 | of a command. If it has, it removes it and returns 1. Otherwise it | |
359 | does nothing and returns 0. */ | |
c5aa993b | 360 | static int |
fba45db2 | 361 | strip_bg_char (char **args) |
43ff13b4 JM |
362 | { |
363 | char *p = NULL; | |
c5aa993b | 364 | |
9846de1b | 365 | p = strchr (*args, '&'); |
c5aa993b | 366 | |
9846de1b | 367 | if (p) |
43ff13b4 JM |
368 | { |
369 | if (p == (*args + strlen (*args) - 1)) | |
370 | { | |
c5aa993b | 371 | if (strlen (*args) > 1) |
43ff13b4 JM |
372 | { |
373 | do | |
374 | p--; | |
375 | while (*p == ' ' || *p == '\t'); | |
376 | *(p + 1) = '\0'; | |
377 | } | |
378 | else | |
379 | *args = 0; | |
380 | return 1; | |
381 | } | |
382 | } | |
383 | return 0; | |
384 | } | |
385 | ||
281b533b DJ |
386 | /* Common actions to take after creating any sort of inferior, by any |
387 | means (running, attaching, connecting, et cetera). The target | |
388 | should be stopped. */ | |
389 | ||
390 | void | |
391 | post_create_inferior (struct target_ops *target, int from_tty) | |
392 | { | |
b79599ff DP |
393 | /* Be sure we own the terminal in case write operations are performed. */ |
394 | target_terminal_ours (); | |
395 | ||
424163ea DJ |
396 | /* If the target hasn't taken care of this already, do it now. |
397 | Targets which need to access registers during to_open, | |
398 | to_create_inferior, or to_attach should do it earlier; but many | |
399 | don't need to. */ | |
400 | target_find_description (); | |
401 | ||
f698437e | 402 | /* Now that we know the register layout, retrieve current PC. */ |
fb14de7b | 403 | stop_pc = regcache_read_pc (get_current_regcache ()); |
f698437e | 404 | |
50c71eaf PA |
405 | if (exec_bfd) |
406 | { | |
9353355f DJ |
407 | /* Create the hooks to handle shared library load and unload |
408 | events. */ | |
409 | #ifdef SOLIB_CREATE_INFERIOR_HOOK | |
37706b70 | 410 | SOLIB_CREATE_INFERIOR_HOOK (PIDGET (inferior_ptid)); |
9353355f | 411 | #else |
268a4a75 JK |
412 | solib_create_inferior_hook (from_tty); |
413 | #endif | |
414 | } | |
415 | ||
416 | /* If the solist is global across processes, there's no need to | |
417 | refetch it here. */ | |
418 | if (exec_bfd && !gdbarch_has_global_solist (target_gdbarch)) | |
419 | { | |
420 | /* Sometimes the platform-specific hook loads initial shared | |
421 | libraries, and sometimes it doesn't. If it doesn't FROM_TTY will be | |
422 | incorrectly 0 but such solib targets should be fixed anyway. If we | |
423 | made all the inferior hook methods consistent, this call could be | |
424 | removed. Call it only after the solib target has been initialized by | |
425 | solib_create_inferior_hook. */ | |
426 | ||
427 | #ifdef SOLIB_ADD | |
428 | SOLIB_ADD (NULL, 0, target, auto_solib_add); | |
429 | #else | |
430 | solib_add (NULL, 0, target, auto_solib_add); | |
9353355f | 431 | #endif |
9353355f DJ |
432 | } |
433 | ||
ea5d7a99 PM |
434 | /* If the user sets watchpoints before execution having started, |
435 | then she gets software watchpoints, because GDB can't know which | |
436 | target will end up being pushed, or if it supports hardware | |
437 | watchpoints or not. breakpoint_re_set takes care of promoting | |
438 | watchpoints to hardware watchpoints if possible, however, if this | |
439 | new inferior doesn't load shared libraries or we don't pull in | |
440 | symbols from any other source on this target/arch, | |
441 | breakpoint_re_set is never called. Call it now so that software | |
442 | watchpoints get a chance to be promoted to hardware watchpoints | |
443 | if the now pushed target supports hardware watchpoints. */ | |
444 | breakpoint_re_set (); | |
445 | ||
281b533b DJ |
446 | observer_notify_inferior_created (target, from_tty); |
447 | } | |
448 | ||
a4d5f2e0 JB |
449 | /* Kill the inferior if already running. This function is designed |
450 | to be called when we are about to start the execution of the program | |
451 | from the beginning. Ask the user to confirm that he wants to restart | |
452 | the program being debugged when FROM_TTY is non-null. */ | |
c906108c | 453 | |
8edfe269 | 454 | static void |
a4d5f2e0 JB |
455 | kill_if_already_running (int from_tty) |
456 | { | |
39f77062 | 457 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 458 | { |
8edfe269 DJ |
459 | /* Bail out before killing the program if we will not be able to |
460 | restart it. */ | |
461 | target_require_runnable (); | |
462 | ||
adf40b2e | 463 | if (from_tty |
9e2f0ad4 HZ |
464 | && !query (_("The program being debugged has been started already.\n\ |
465 | Start it from the beginning? "))) | |
8a3fe4f8 | 466 | error (_("Program not restarted.")); |
c906108c | 467 | target_kill (); |
c906108c | 468 | } |
a4d5f2e0 JB |
469 | } |
470 | ||
f67a969f JB |
471 | /* Implement the "run" command. If TBREAK_AT_MAIN is set, then insert |
472 | a temporary breakpoint at the begining of the main program before | |
473 | running the program. */ | |
474 | ||
a4d5f2e0 | 475 | static void |
f67a969f | 476 | run_command_1 (char *args, int from_tty, int tbreak_at_main) |
a4d5f2e0 JB |
477 | { |
478 | char *exec_file; | |
29f49a6a PA |
479 | struct cleanup *old_chain; |
480 | ptid_t ptid; | |
c906108c | 481 | |
a4d5f2e0 JB |
482 | dont_repeat (); |
483 | ||
484 | kill_if_already_running (from_tty); | |
3c35e65b UW |
485 | |
486 | init_wait_for_inferior (); | |
c906108c SS |
487 | clear_breakpoint_hit_counts (); |
488 | ||
fd79ecee DJ |
489 | /* Clean up any leftovers from other runs. Some other things from |
490 | this function should probably be moved into target_pre_inferior. */ | |
491 | target_pre_inferior (from_tty); | |
492 | ||
39ad761d JB |
493 | /* The comment here used to read, "The exec file is re-read every |
494 | time we do a generic_mourn_inferior, so we just have to worry | |
495 | about the symbol file." The `generic_mourn_inferior' function | |
496 | gets called whenever the program exits. However, suppose the | |
497 | program exits, and *then* the executable file changes? We need | |
498 | to check again here. Since reopen_exec_file doesn't do anything | |
499 | if the timestamp hasn't changed, I don't see the harm. */ | |
500 | reopen_exec_file (); | |
c906108c SS |
501 | reread_symbols (); |
502 | ||
f67a969f JB |
503 | /* Insert the temporary breakpoint if a location was specified. */ |
504 | if (tbreak_at_main) | |
505 | tbreak_command (main_name (), 0); | |
506 | ||
39ad761d JB |
507 | exec_file = (char *) get_exec_file (0); |
508 | ||
9908b566 VP |
509 | if (non_stop && !target_supports_non_stop ()) |
510 | error (_("The target does not support running in non-stop mode.")); | |
511 | ||
c906108c SS |
512 | /* We keep symbols from add-symbol-file, on the grounds that the |
513 | user might want to add some symbols before running the program | |
514 | (right?). But sometimes (dynamic loading where the user manually | |
515 | introduces the new symbols with add-symbol-file), the code which | |
516 | the symbols describe does not persist between runs. Currently | |
517 | the user has to manually nuke all symbols between runs if they | |
518 | want them to go away (PR 2207). This is probably reasonable. */ | |
519 | ||
43ff13b4 | 520 | if (!args) |
6426a772 | 521 | { |
362646f5 | 522 | if (target_can_async_p ()) |
6426a772 JM |
523 | async_disable_stdin (); |
524 | } | |
43ff13b4 | 525 | else |
c906108c | 526 | { |
43ff13b4 JM |
527 | int async_exec = strip_bg_char (&args); |
528 | ||
529 | /* If we get a request for running in the bg but the target | |
530 | doesn't support it, error out. */ | |
362646f5 | 531 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 532 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
533 | |
534 | /* If we don't get a request of running in the bg, then we need | |
c5aa993b | 535 | to simulate synchronous (fg) execution. */ |
362646f5 | 536 | if (!async_exec && target_can_async_p ()) |
43ff13b4 JM |
537 | { |
538 | /* Simulate synchronous execution */ | |
6426a772 | 539 | async_disable_stdin (); |
43ff13b4 JM |
540 | } |
541 | ||
542 | /* If there were other args, beside '&', process them. */ | |
543 | if (args) | |
3f81c18a | 544 | set_inferior_args (args); |
c906108c SS |
545 | } |
546 | ||
547 | if (from_tty) | |
548 | { | |
8b93c638 JM |
549 | ui_out_field_string (uiout, NULL, "Starting program"); |
550 | ui_out_text (uiout, ": "); | |
551 | if (exec_file) | |
552 | ui_out_field_string (uiout, "execfile", exec_file); | |
553 | ui_out_spaces (uiout, 1); | |
552c04a7 TT |
554 | /* We call get_inferior_args() because we might need to compute |
555 | the value now. */ | |
556 | ui_out_field_string (uiout, "infargs", get_inferior_args ()); | |
8b93c638 JM |
557 | ui_out_text (uiout, "\n"); |
558 | ui_out_flush (uiout); | |
c906108c SS |
559 | } |
560 | ||
552c04a7 TT |
561 | /* We call get_inferior_args() because we might need to compute |
562 | the value now. */ | |
563 | target_create_inferior (exec_file, get_inferior_args (), | |
3f81c18a | 564 | environ_vector (current_inferior ()->environment), from_tty); |
281b533b | 565 | |
29f49a6a PA |
566 | /* We're starting off a new process. When we get out of here, in |
567 | non-stop mode, finish the state of all threads of that process, | |
568 | but leave other threads alone, as they may be stopped in internal | |
569 | events --- the frontend shouldn't see them as stopped. In | |
570 | all-stop, always finish the state of all threads, as we may be | |
571 | resuming more than just the new process. */ | |
572 | if (non_stop) | |
573 | ptid = pid_to_ptid (ptid_get_pid (inferior_ptid)); | |
574 | else | |
575 | ptid = minus_one_ptid; | |
576 | old_chain = make_cleanup (finish_thread_state_cleanup, &ptid); | |
577 | ||
de1b3c3d PA |
578 | /* Pass zero for FROM_TTY, because at this point the "run" command |
579 | has done its thing; now we are setting up the running program. */ | |
580 | post_create_inferior (¤t_target, 0); | |
281b533b DJ |
581 | |
582 | /* Start the target running. */ | |
583 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_0, 0); | |
c906108c | 584 | |
29f49a6a PA |
585 | /* Since there was no error, there's no need to finish the thread |
586 | states here. */ | |
587 | discard_cleanups (old_chain); | |
588 | } | |
c906108c | 589 | |
f67a969f JB |
590 | static void |
591 | run_command (char *args, int from_tty) | |
592 | { | |
593 | run_command_1 (args, from_tty, 0); | |
594 | } | |
595 | ||
c906108c | 596 | static void |
fba45db2 | 597 | run_no_args_command (char *args, int from_tty) |
c906108c | 598 | { |
3f81c18a | 599 | set_inferior_args (""); |
c906108c | 600 | } |
c906108c | 601 | \f |
c5aa993b | 602 | |
a4d5f2e0 JB |
603 | /* Start the execution of the program up until the beginning of the main |
604 | program. */ | |
605 | ||
606 | static void | |
607 | start_command (char *args, int from_tty) | |
608 | { | |
609 | /* Some languages such as Ada need to search inside the program | |
610 | minimal symbols for the location where to put the temporary | |
611 | breakpoint before starting. */ | |
612 | if (!have_minimal_symbols ()) | |
8a3fe4f8 | 613 | error (_("No symbol table loaded. Use the \"file\" command.")); |
a4d5f2e0 | 614 | |
f67a969f JB |
615 | /* Run the program until reaching the main procedure... */ |
616 | run_command_1 (args, from_tty, 1); | |
a4d5f2e0 JB |
617 | } |
618 | ||
8cae4b3f PA |
619 | static int |
620 | proceed_thread_callback (struct thread_info *thread, void *arg) | |
621 | { | |
74531fed PA |
622 | /* We go through all threads individually instead of compressing |
623 | into a single target `resume_all' request, because some threads | |
624 | may be stopped in internal breakpoints/events, or stopped waiting | |
625 | for its turn in the displaced stepping queue (that is, they are | |
626 | running && !executing). The target side has no idea about why | |
627 | the thread is stopped, so a `resume_all' command would resume too | |
628 | much. If/when GDB gains a way to tell the target `hold this | |
629 | thread stopped until I say otherwise', then we can optimize | |
630 | this. */ | |
4f8d22e3 | 631 | if (!is_stopped (thread->ptid)) |
8cae4b3f PA |
632 | return 0; |
633 | ||
dcf4fbde | 634 | switch_to_thread (thread->ptid); |
8cae4b3f PA |
635 | clear_proceed_status (); |
636 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); | |
637 | return 0; | |
638 | } | |
639 | ||
d729566a PA |
640 | void |
641 | ensure_valid_thread (void) | |
642 | { | |
643 | if (ptid_equal (inferior_ptid, null_ptid) | |
644 | || is_exited (inferior_ptid)) | |
645 | error (_("\ | |
646 | Cannot execute this command without a live selected thread.")); | |
647 | } | |
648 | ||
77ebaa5a VP |
649 | void |
650 | continue_1 (int all_threads) | |
651 | { | |
3d488bfc PA |
652 | ERROR_NO_INFERIOR; |
653 | ||
77ebaa5a VP |
654 | if (non_stop && all_threads) |
655 | { | |
656 | /* Don't error out if the current thread is running, because | |
657 | there may be other stopped threads. */ | |
658 | struct cleanup *old_chain; | |
659 | ||
660 | /* Backup current thread and selected frame. */ | |
661 | old_chain = make_cleanup_restore_current_thread (); | |
662 | ||
663 | iterate_over_threads (proceed_thread_callback, NULL); | |
664 | ||
665 | /* Restore selected ptid. */ | |
666 | do_cleanups (old_chain); | |
667 | } | |
668 | else | |
669 | { | |
d729566a | 670 | ensure_valid_thread (); |
77ebaa5a VP |
671 | ensure_not_running (); |
672 | clear_proceed_status (); | |
673 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); | |
674 | } | |
675 | } | |
676 | ||
8cae4b3f | 677 | /* continue [-a] [proceed-count] [&] */ |
c906108c | 678 | void |
8cae4b3f | 679 | continue_command (char *args, int from_tty) |
c906108c | 680 | { |
c5aa993b | 681 | int async_exec = 0; |
8cae4b3f | 682 | int all_threads = 0; |
c906108c SS |
683 | ERROR_NO_INFERIOR; |
684 | ||
43ff13b4 | 685 | /* Find out whether we must run in the background. */ |
8cae4b3f PA |
686 | if (args != NULL) |
687 | async_exec = strip_bg_char (&args); | |
43ff13b4 JM |
688 | |
689 | /* If we must run in the background, but the target can't do it, | |
690 | error out. */ | |
362646f5 | 691 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 692 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
693 | |
694 | /* If we are not asked to run in the bg, then prepare to run in the | |
695 | foreground, synchronously. */ | |
362646f5 | 696 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 697 | { |
43ff13b4 | 698 | /* Simulate synchronous execution */ |
6426a772 | 699 | async_disable_stdin (); |
43ff13b4 | 700 | } |
c906108c | 701 | |
8cae4b3f PA |
702 | if (args != NULL) |
703 | { | |
704 | if (strncmp (args, "-a", sizeof ("-a") - 1) == 0) | |
705 | { | |
706 | all_threads = 1; | |
707 | args += sizeof ("-a") - 1; | |
708 | if (*args == '\0') | |
709 | args = NULL; | |
710 | } | |
711 | } | |
712 | ||
713 | if (!non_stop && all_threads) | |
714 | error (_("`-a' is meaningless in all-stop mode.")); | |
715 | ||
716 | if (args != NULL && all_threads) | |
717 | error (_("\ | |
718 | Can't resume all threads and specify proceed count simultaneously.")); | |
719 | ||
720 | /* If we have an argument left, set proceed count of breakpoint we | |
721 | stopped at. */ | |
722 | if (args != NULL) | |
c906108c | 723 | { |
347bddb7 | 724 | bpstat bs = NULL; |
8671a17b PA |
725 | int num, stat; |
726 | int stopped = 0; | |
347bddb7 PA |
727 | struct thread_info *tp; |
728 | ||
729 | if (non_stop) | |
e09875d4 | 730 | tp = find_thread_ptid (inferior_ptid); |
347bddb7 PA |
731 | else |
732 | { | |
733 | ptid_t last_ptid; | |
734 | struct target_waitstatus ws; | |
735 | ||
736 | get_last_target_status (&last_ptid, &ws); | |
e09875d4 | 737 | tp = find_thread_ptid (last_ptid); |
347bddb7 PA |
738 | } |
739 | if (tp != NULL) | |
740 | bs = tp->stop_bpstat; | |
8671a17b PA |
741 | |
742 | while ((stat = bpstat_num (&bs, &num)) != 0) | |
743 | if (stat > 0) | |
744 | { | |
745 | set_ignore_count (num, | |
8cae4b3f | 746 | parse_and_eval_long (args) - 1, |
8671a17b PA |
747 | from_tty); |
748 | /* set_ignore_count prints a message ending with a period. | |
749 | So print two spaces before "Continuing.". */ | |
750 | if (from_tty) | |
751 | printf_filtered (" "); | |
752 | stopped = 1; | |
753 | } | |
754 | ||
755 | if (!stopped && from_tty) | |
c906108c SS |
756 | { |
757 | printf_filtered | |
758 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
759 | } | |
c906108c SS |
760 | } |
761 | ||
762 | if (from_tty) | |
a3f17187 | 763 | printf_filtered (_("Continuing.\n")); |
c906108c | 764 | |
77ebaa5a | 765 | continue_1 (all_threads); |
c906108c SS |
766 | } |
767 | \f | |
edb3359d DJ |
768 | /* Record the starting point of a "step" or "next" command. */ |
769 | ||
770 | static void | |
771 | set_step_frame (void) | |
772 | { | |
773 | struct symtab_and_line sal; | |
774 | ||
775 | find_frame_sal (get_current_frame (), &sal); | |
776 | set_step_info (get_current_frame (), sal); | |
777 | } | |
778 | ||
c906108c SS |
779 | /* Step until outside of current statement. */ |
780 | ||
c906108c | 781 | static void |
fba45db2 | 782 | step_command (char *count_string, int from_tty) |
c906108c SS |
783 | { |
784 | step_1 (0, 0, count_string); | |
785 | } | |
786 | ||
787 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
788 | ||
c906108c | 789 | static void |
fba45db2 | 790 | next_command (char *count_string, int from_tty) |
c906108c SS |
791 | { |
792 | step_1 (1, 0, count_string); | |
793 | } | |
794 | ||
795 | /* Likewise, but step only one instruction. */ | |
796 | ||
c906108c | 797 | void |
fba45db2 | 798 | stepi_command (char *count_string, int from_tty) |
c906108c SS |
799 | { |
800 | step_1 (0, 1, count_string); | |
801 | } | |
802 | ||
c906108c | 803 | void |
fba45db2 | 804 | nexti_command (char *count_string, int from_tty) |
c906108c SS |
805 | { |
806 | step_1 (1, 1, count_string); | |
807 | } | |
808 | ||
74b7792f | 809 | static void |
611c83ae | 810 | delete_longjmp_breakpoint_cleanup (void *arg) |
74b7792f | 811 | { |
611c83ae PA |
812 | int thread = * (int *) arg; |
813 | delete_longjmp_breakpoint (thread); | |
74b7792f AC |
814 | } |
815 | ||
c906108c | 816 | static void |
fba45db2 | 817 | step_1 (int skip_subroutines, int single_inst, char *count_string) |
c906108c | 818 | { |
52f0bd74 | 819 | int count = 1; |
c906108c | 820 | struct frame_info *frame; |
f107f563 | 821 | struct cleanup *cleanups = make_cleanup (null_cleanup, NULL); |
43ff13b4 | 822 | int async_exec = 0; |
b3dc826b | 823 | int thread = -1; |
c5aa993b | 824 | |
c906108c | 825 | ERROR_NO_INFERIOR; |
d729566a | 826 | ensure_valid_thread (); |
94cc34af | 827 | ensure_not_running (); |
43ff13b4 JM |
828 | |
829 | if (count_string) | |
830 | async_exec = strip_bg_char (&count_string); | |
c5aa993b | 831 | |
43ff13b4 JM |
832 | /* If we get a request for running in the bg but the target |
833 | doesn't support it, error out. */ | |
362646f5 | 834 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 835 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
836 | |
837 | /* If we don't get a request of running in the bg, then we need | |
838 | to simulate synchronous (fg) execution. */ | |
362646f5 | 839 | if (!async_exec && target_can_async_p ()) |
43ff13b4 JM |
840 | { |
841 | /* Simulate synchronous execution */ | |
6426a772 | 842 | async_disable_stdin (); |
43ff13b4 JM |
843 | } |
844 | ||
bb518678 | 845 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 846 | |
c5aa993b | 847 | if (!single_inst || skip_subroutines) /* leave si command alone */ |
c906108c | 848 | { |
611c83ae | 849 | if (in_thread_list (inferior_ptid)) |
b3dc826b | 850 | thread = pid_to_thread_id (inferior_ptid); |
611c83ae | 851 | |
0fd8e87f | 852 | set_longjmp_breakpoint (thread); |
611c83ae | 853 | |
b3dc826b | 854 | make_cleanup (delete_longjmp_breakpoint_cleanup, &thread); |
c2d11a7d JM |
855 | } |
856 | ||
37d94800 | 857 | /* In synchronous case, all is well; each step_once call will step once. */ |
362646f5 | 858 | if (!target_can_async_p ()) |
c2d11a7d JM |
859 | { |
860 | for (; count > 0; count--) | |
861 | { | |
37d94800 PA |
862 | struct thread_info *tp; |
863 | step_once (skip_subroutines, single_inst, count, thread); | |
c2d11a7d | 864 | |
37d94800 PA |
865 | if (target_has_execution |
866 | && !ptid_equal (inferior_ptid, null_ptid)) | |
867 | tp = inferior_thread (); | |
c2d11a7d | 868 | else |
37d94800 PA |
869 | tp = NULL; |
870 | ||
871 | if (!tp || !tp->stop_step || !tp->step_multi) | |
c2d11a7d | 872 | { |
37d94800 PA |
873 | /* If we stopped for some reason that is not stepping |
874 | there are no further steps to make. */ | |
875 | if (tp) | |
876 | tp->step_multi = 0; | |
877 | break; | |
c2d11a7d | 878 | } |
c2d11a7d JM |
879 | } |
880 | ||
f107f563 | 881 | do_cleanups (cleanups); |
c2d11a7d | 882 | } |
c2d11a7d JM |
883 | else |
884 | { | |
37d94800 PA |
885 | /* In the case of an asynchronous target things get complicated; |
886 | do only one step for now, before returning control to the | |
887 | event loop. Let the continuation figure out how many other | |
888 | steps we need to do, and handle them one at the time, through | |
889 | step_once. */ | |
b3dc826b | 890 | step_once (skip_subroutines, single_inst, count, thread); |
37d94800 | 891 | |
611c83ae | 892 | /* We are running, and the continuation is installed. It will |
f107f563 VP |
893 | disable the longjmp breakpoint as appropriate. */ |
894 | discard_cleanups (cleanups); | |
c906108c | 895 | } |
c2d11a7d | 896 | } |
c906108c | 897 | |
bfec99b2 PA |
898 | struct step_1_continuation_args |
899 | { | |
900 | int count; | |
901 | int skip_subroutines; | |
902 | int single_inst; | |
903 | int thread; | |
904 | }; | |
905 | ||
c2d11a7d JM |
906 | /* Called after we are done with one step operation, to check whether |
907 | we need to step again, before we print the prompt and return control | |
908 | to the user. If count is > 1, we will need to do one more call to | |
909 | proceed(), via step_once(). Basically it is like step_once and | |
910 | step_1_continuation are co-recursive. */ | |
911 | static void | |
604ead4a | 912 | step_1_continuation (void *args) |
c2d11a7d | 913 | { |
bfec99b2 | 914 | struct step_1_continuation_args *a = args; |
f13468d9 | 915 | |
af679fd0 | 916 | if (target_has_execution) |
f13468d9 | 917 | { |
af679fd0 PA |
918 | struct thread_info *tp; |
919 | ||
920 | tp = inferior_thread (); | |
414c69f7 | 921 | if (tp->step_multi && tp->stop_step) |
af679fd0 PA |
922 | { |
923 | /* There are more steps to make, and we did stop due to | |
924 | ending a stepping range. Do another step. */ | |
37d94800 PA |
925 | step_once (a->skip_subroutines, a->single_inst, |
926 | a->count - 1, a->thread); | |
af679fd0 PA |
927 | return; |
928 | } | |
929 | tp->step_multi = 0; | |
f107f563 | 930 | } |
af679fd0 PA |
931 | |
932 | /* We either stopped for some reason that is not stepping, or there | |
933 | are no further steps to make. Cleanup. */ | |
934 | if (!a->single_inst || a->skip_subroutines) | |
935 | delete_longjmp_breakpoint (a->thread); | |
c2d11a7d JM |
936 | } |
937 | ||
37d94800 PA |
938 | /* Do just one step operation. This is useful to implement the 'step |
939 | n' kind of commands. In case of asynchronous targets, we will have | |
940 | to set up a continuation to be done after the target stops (after | |
941 | this one step). For synch targets, the caller handles further | |
942 | stepping. */ | |
943 | ||
944 | static void | |
611c83ae | 945 | step_once (int skip_subroutines, int single_inst, int count, int thread) |
bfec99b2 | 946 | { |
edb3359d | 947 | struct frame_info *frame = get_current_frame (); |
c2d11a7d JM |
948 | |
949 | if (count > 0) | |
c906108c | 950 | { |
4e1c45ea PA |
951 | /* Don't assume THREAD is a valid thread id. It is set to -1 if |
952 | the longjmp breakpoint was not required. Use the | |
953 | INFERIOR_PTID thread instead, which is the same thread when | |
954 | THREAD is set. */ | |
955 | struct thread_info *tp = inferior_thread (); | |
c906108c | 956 | clear_proceed_status (); |
edb3359d | 957 | set_step_frame (); |
c906108c | 958 | |
c5aa993b | 959 | if (!single_inst) |
c906108c | 960 | { |
1641cfcc PA |
961 | CORE_ADDR pc; |
962 | ||
edb3359d DJ |
963 | /* Step at an inlined function behaves like "down". */ |
964 | if (!skip_subroutines && !single_inst | |
965 | && inline_skipped_frames (inferior_ptid)) | |
966 | { | |
967 | step_into_inline_frame (inferior_ptid); | |
968 | if (count > 1) | |
969 | step_once (skip_subroutines, single_inst, count - 1, thread); | |
970 | else | |
971 | /* Pretend that we've stopped. */ | |
972 | normal_stop (); | |
973 | return; | |
974 | } | |
975 | ||
1641cfcc PA |
976 | pc = get_frame_pc (frame); |
977 | find_pc_line_pc_range (pc, | |
4e1c45ea | 978 | &tp->step_range_start, &tp->step_range_end); |
5fbbeb29 CF |
979 | |
980 | /* If we have no line info, switch to stepi mode. */ | |
4e1c45ea | 981 | if (tp->step_range_end == 0 && step_stop_if_no_debug) |
edb3359d | 982 | tp->step_range_start = tp->step_range_end = 1; |
4e1c45ea | 983 | else if (tp->step_range_end == 0) |
c906108c SS |
984 | { |
985 | char *name; | |
1641cfcc | 986 | if (find_pc_partial_function (pc, &name, |
4e1c45ea PA |
987 | &tp->step_range_start, |
988 | &tp->step_range_end) == 0) | |
8a3fe4f8 | 989 | error (_("Cannot find bounds of current function")); |
c906108c SS |
990 | |
991 | target_terminal_ours (); | |
a3f17187 | 992 | printf_filtered (_("\ |
c906108c | 993 | Single stepping until exit from function %s, \n\ |
a3f17187 | 994 | which has no line number information.\n"), name); |
c906108c SS |
995 | } |
996 | } | |
997 | else | |
998 | { | |
999 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
4e1c45ea | 1000 | tp->step_range_start = tp->step_range_end = 1; |
c906108c SS |
1001 | if (!skip_subroutines) |
1002 | /* It is stepi. | |
1003 | Don't step over function calls, not even to functions lacking | |
1004 | line numbers. */ | |
078130d0 | 1005 | tp->step_over_calls = STEP_OVER_NONE; |
c906108c SS |
1006 | } |
1007 | ||
1008 | if (skip_subroutines) | |
078130d0 | 1009 | tp->step_over_calls = STEP_OVER_ALL; |
c906108c | 1010 | |
95e54da7 | 1011 | tp->step_multi = (count > 1); |
f107f563 | 1012 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
bfec99b2 | 1013 | |
37d94800 PA |
1014 | /* For async targets, register a continuation to do any |
1015 | additional steps. For sync targets, the caller will handle | |
1016 | further stepping. */ | |
1017 | if (target_can_async_p ()) | |
1018 | { | |
1019 | struct step_1_continuation_args *args; | |
1020 | ||
1021 | args = xmalloc (sizeof (*args)); | |
1022 | args->skip_subroutines = skip_subroutines; | |
1023 | args->single_inst = single_inst; | |
1024 | args->count = count; | |
1025 | args->thread = thread; | |
1026 | ||
1027 | add_intermediate_continuation (tp, step_1_continuation, args, xfree); | |
1028 | } | |
c906108c | 1029 | } |
c906108c | 1030 | } |
c2d11a7d | 1031 | |
c906108c SS |
1032 | \f |
1033 | /* Continue program at specified address. */ | |
1034 | ||
1035 | static void | |
fba45db2 | 1036 | jump_command (char *arg, int from_tty) |
c906108c | 1037 | { |
5af949e3 | 1038 | struct gdbarch *gdbarch = get_current_arch (); |
52f0bd74 | 1039 | CORE_ADDR addr; |
c906108c SS |
1040 | struct symtabs_and_lines sals; |
1041 | struct symtab_and_line sal; | |
1042 | struct symbol *fn; | |
1043 | struct symbol *sfn; | |
43ff13b4 | 1044 | int async_exec = 0; |
c5aa993b | 1045 | |
c906108c | 1046 | ERROR_NO_INFERIOR; |
d729566a | 1047 | ensure_valid_thread (); |
94cc34af | 1048 | ensure_not_running (); |
c906108c | 1049 | |
43ff13b4 JM |
1050 | /* Find out whether we must run in the background. */ |
1051 | if (arg != NULL) | |
1052 | async_exec = strip_bg_char (&arg); | |
1053 | ||
1054 | /* If we must run in the background, but the target can't do it, | |
1055 | error out. */ | |
362646f5 | 1056 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1057 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 | 1058 | |
c906108c | 1059 | if (!arg) |
e2e0b3e5 | 1060 | error_no_arg (_("starting address")); |
c906108c SS |
1061 | |
1062 | sals = decode_line_spec_1 (arg, 1); | |
1063 | if (sals.nelts != 1) | |
1064 | { | |
8a3fe4f8 | 1065 | error (_("Unreasonable jump request")); |
c906108c SS |
1066 | } |
1067 | ||
1068 | sal = sals.sals[0]; | |
b8c9b27d | 1069 | xfree (sals.sals); |
c906108c SS |
1070 | |
1071 | if (sal.symtab == 0 && sal.pc == 0) | |
8a3fe4f8 | 1072 | error (_("No source file has been specified.")); |
c906108c | 1073 | |
c5aa993b | 1074 | resolve_sal_pc (&sal); /* May error out */ |
c906108c SS |
1075 | |
1076 | /* See if we are trying to jump to another function. */ | |
1077 | fn = get_frame_function (get_current_frame ()); | |
1078 | sfn = find_pc_function (sal.pc); | |
1079 | if (fn != NULL && sfn != fn) | |
1080 | { | |
9e2f0ad4 | 1081 | if (!query (_("Line %d is not in `%s'. Jump anyway? "), sal.line, |
de5ad195 | 1082 | SYMBOL_PRINT_NAME (fn))) |
c906108c | 1083 | { |
8a3fe4f8 | 1084 | error (_("Not confirmed.")); |
c906108c SS |
1085 | /* NOTREACHED */ |
1086 | } | |
1087 | } | |
1088 | ||
c5aa993b | 1089 | if (sfn != NULL) |
c906108c SS |
1090 | { |
1091 | fixup_symbol_section (sfn, 0); | |
714835d5 UW |
1092 | if (section_is_overlay (SYMBOL_OBJ_SECTION (sfn)) && |
1093 | !section_is_mapped (SYMBOL_OBJ_SECTION (sfn))) | |
c906108c | 1094 | { |
9e2f0ad4 | 1095 | if (!query (_("WARNING!!! Destination is in unmapped overlay! Jump anyway? "))) |
c906108c | 1096 | { |
8a3fe4f8 | 1097 | error (_("Not confirmed.")); |
c906108c SS |
1098 | /* NOTREACHED */ |
1099 | } | |
1100 | } | |
1101 | } | |
1102 | ||
c906108c SS |
1103 | addr = sal.pc; |
1104 | ||
1105 | if (from_tty) | |
1106 | { | |
a3f17187 | 1107 | printf_filtered (_("Continuing at ")); |
5af949e3 | 1108 | fputs_filtered (paddress (gdbarch, addr), gdb_stdout); |
c906108c SS |
1109 | printf_filtered (".\n"); |
1110 | } | |
1111 | ||
89113898 PA |
1112 | /* If we are not asked to run in the bg, then prepare to run in the |
1113 | foreground, synchronously. */ | |
1114 | if (!async_exec && target_can_async_p ()) | |
1115 | { | |
1116 | /* Simulate synchronous execution */ | |
1117 | async_disable_stdin (); | |
1118 | } | |
1119 | ||
c906108c SS |
1120 | clear_proceed_status (); |
1121 | proceed (addr, TARGET_SIGNAL_0, 0); | |
1122 | } | |
c906108c | 1123 | \f |
c5aa993b | 1124 | |
c906108c SS |
1125 | /* Go to line or address in current procedure */ |
1126 | static void | |
fba45db2 | 1127 | go_command (char *line_no, int from_tty) |
c906108c | 1128 | { |
c5aa993b | 1129 | if (line_no == (char *) NULL || !*line_no) |
f42429a6 | 1130 | printf_filtered (_("Usage: go <location>\n")); |
c906108c SS |
1131 | else |
1132 | { | |
b83266a0 SS |
1133 | tbreak_command (line_no, from_tty); |
1134 | jump_command (line_no, from_tty); | |
c906108c SS |
1135 | } |
1136 | } | |
c906108c | 1137 | \f |
c5aa993b | 1138 | |
c906108c SS |
1139 | /* Continue program giving it specified signal. */ |
1140 | ||
1141 | static void | |
fba45db2 | 1142 | signal_command (char *signum_exp, int from_tty) |
c906108c SS |
1143 | { |
1144 | enum target_signal oursig; | |
32c1e744 | 1145 | int async_exec = 0; |
c906108c SS |
1146 | |
1147 | dont_repeat (); /* Too dangerous. */ | |
1148 | ERROR_NO_INFERIOR; | |
d729566a | 1149 | ensure_valid_thread (); |
94cc34af | 1150 | ensure_not_running (); |
c906108c | 1151 | |
32c1e744 VP |
1152 | /* Find out whether we must run in the background. */ |
1153 | if (signum_exp != NULL) | |
1154 | async_exec = strip_bg_char (&signum_exp); | |
1155 | ||
1156 | /* If we must run in the background, but the target can't do it, | |
1157 | error out. */ | |
1158 | if (async_exec && !target_can_async_p ()) | |
1159 | error (_("Asynchronous execution not supported on this target.")); | |
1160 | ||
1161 | /* If we are not asked to run in the bg, then prepare to run in the | |
1162 | foreground, synchronously. */ | |
1163 | if (!async_exec && target_can_async_p ()) | |
1164 | { | |
1165 | /* Simulate synchronous execution. */ | |
1166 | async_disable_stdin (); | |
1167 | } | |
1168 | ||
c906108c | 1169 | if (!signum_exp) |
e2e0b3e5 | 1170 | error_no_arg (_("signal number")); |
c906108c SS |
1171 | |
1172 | /* It would be even slicker to make signal names be valid expressions, | |
1173 | (the type could be "enum $signal" or some such), then the user could | |
1174 | assign them to convenience variables. */ | |
1175 | oursig = target_signal_from_name (signum_exp); | |
1176 | ||
1177 | if (oursig == TARGET_SIGNAL_UNKNOWN) | |
1178 | { | |
1179 | /* No, try numeric. */ | |
bb518678 | 1180 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
1181 | |
1182 | if (num == 0) | |
1183 | oursig = TARGET_SIGNAL_0; | |
1184 | else | |
1185 | oursig = target_signal_from_command (num); | |
1186 | } | |
1187 | ||
1188 | if (from_tty) | |
1189 | { | |
1190 | if (oursig == TARGET_SIGNAL_0) | |
a3f17187 | 1191 | printf_filtered (_("Continuing with no signal.\n")); |
c906108c | 1192 | else |
a3f17187 | 1193 | printf_filtered (_("Continuing with signal %s.\n"), |
c906108c SS |
1194 | target_signal_to_name (oursig)); |
1195 | } | |
1196 | ||
1197 | clear_proceed_status (); | |
a12cc160 | 1198 | proceed ((CORE_ADDR) -1, oursig, 0); |
c906108c SS |
1199 | } |
1200 | ||
c906108c SS |
1201 | /* Proceed until we reach a different source line with pc greater than |
1202 | our current one or exit the function. We skip calls in both cases. | |
1203 | ||
1204 | Note that eventually this command should probably be changed so | |
1205 | that only source lines are printed out when we hit the breakpoint | |
1206 | we set. This may involve changes to wait_for_inferior and the | |
1207 | proceed status code. */ | |
1208 | ||
c906108c | 1209 | static void |
fba45db2 | 1210 | until_next_command (int from_tty) |
c906108c SS |
1211 | { |
1212 | struct frame_info *frame; | |
1213 | CORE_ADDR pc; | |
1214 | struct symbol *func; | |
1215 | struct symtab_and_line sal; | |
4e1c45ea | 1216 | struct thread_info *tp = inferior_thread (); |
c5aa993b | 1217 | |
c906108c | 1218 | clear_proceed_status (); |
edb3359d | 1219 | set_step_frame (); |
c906108c SS |
1220 | |
1221 | frame = get_current_frame (); | |
1222 | ||
1223 | /* Step until either exited from this function or greater | |
1224 | than the current line (if in symbolic section) or pc (if | |
1225 | not). */ | |
1226 | ||
1c7819ef | 1227 | pc = get_frame_pc (frame); |
c906108c | 1228 | func = find_pc_function (pc); |
c5aa993b | 1229 | |
c906108c SS |
1230 | if (!func) |
1231 | { | |
1232 | struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc); | |
c5aa993b | 1233 | |
c906108c | 1234 | if (msymbol == NULL) |
8a3fe4f8 | 1235 | error (_("Execution is not within a known function.")); |
c5aa993b | 1236 | |
4e1c45ea PA |
1237 | tp->step_range_start = SYMBOL_VALUE_ADDRESS (msymbol); |
1238 | tp->step_range_end = pc; | |
c906108c SS |
1239 | } |
1240 | else | |
1241 | { | |
1242 | sal = find_pc_line (pc, 0); | |
c5aa993b | 1243 | |
4e1c45ea PA |
1244 | tp->step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
1245 | tp->step_range_end = sal.end; | |
c906108c | 1246 | } |
c5aa993b | 1247 | |
078130d0 | 1248 | tp->step_over_calls = STEP_OVER_ALL; |
c906108c | 1249 | |
af679fd0 | 1250 | tp->step_multi = 0; /* Only one call to proceed */ |
c5aa993b | 1251 | |
2acceee2 | 1252 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c SS |
1253 | } |
1254 | ||
c5aa993b | 1255 | static void |
fba45db2 | 1256 | until_command (char *arg, int from_tty) |
c906108c | 1257 | { |
43ff13b4 JM |
1258 | int async_exec = 0; |
1259 | ||
c906108c | 1260 | if (!target_has_execution) |
8a3fe4f8 | 1261 | error (_("The program is not running.")); |
43ff13b4 JM |
1262 | |
1263 | /* Find out whether we must run in the background. */ | |
1264 | if (arg != NULL) | |
1265 | async_exec = strip_bg_char (&arg); | |
1266 | ||
1267 | /* If we must run in the background, but the target can't do it, | |
1268 | error out. */ | |
362646f5 | 1269 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1270 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
1271 | |
1272 | /* If we are not asked to run in the bg, then prepare to run in the | |
1273 | foreground, synchronously. */ | |
362646f5 | 1274 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 1275 | { |
43ff13b4 | 1276 | /* Simulate synchronous execution */ |
6426a772 | 1277 | async_disable_stdin (); |
43ff13b4 JM |
1278 | } |
1279 | ||
c906108c | 1280 | if (arg) |
ae66c1fc | 1281 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1282 | else |
1283 | until_next_command (from_tty); | |
1284 | } | |
ae66c1fc EZ |
1285 | |
1286 | static void | |
1287 | advance_command (char *arg, int from_tty) | |
1288 | { | |
1289 | int async_exec = 0; | |
1290 | ||
1291 | if (!target_has_execution) | |
8a3fe4f8 | 1292 | error (_("The program is not running.")); |
ae66c1fc EZ |
1293 | |
1294 | if (arg == NULL) | |
e2e0b3e5 | 1295 | error_no_arg (_("a location")); |
ae66c1fc EZ |
1296 | |
1297 | /* Find out whether we must run in the background. */ | |
1298 | if (arg != NULL) | |
1299 | async_exec = strip_bg_char (&arg); | |
1300 | ||
1301 | /* If we must run in the background, but the target can't do it, | |
1302 | error out. */ | |
362646f5 | 1303 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1304 | error (_("Asynchronous execution not supported on this target.")); |
ae66c1fc EZ |
1305 | |
1306 | /* If we are not asked to run in the bg, then prepare to run in the | |
1307 | foreground, synchronously. */ | |
362646f5 | 1308 | if (!async_exec && target_can_async_p ()) |
ae66c1fc EZ |
1309 | { |
1310 | /* Simulate synchronous execution. */ | |
1311 | async_disable_stdin (); | |
1312 | } | |
1313 | ||
1314 | until_break_command (arg, from_tty, 1); | |
1315 | } | |
c906108c | 1316 | \f |
f941662f MK |
1317 | /* Print the result of a function at the end of a 'finish' command. */ |
1318 | ||
11cf8741 | 1319 | static void |
c055b101 | 1320 | print_return_value (struct type *func_type, struct type *value_type) |
11cf8741 | 1321 | { |
d80b854b | 1322 | struct gdbarch *gdbarch = get_regcache_arch (stop_registers); |
bb472c1e MK |
1323 | struct cleanup *old_chain; |
1324 | struct ui_stream *stb; | |
44e5158b AC |
1325 | struct value *value; |
1326 | ||
181fc57c | 1327 | CHECK_TYPEDEF (value_type); |
44e5158b | 1328 | gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID); |
11cf8741 | 1329 | |
92ad9cd9 AC |
1330 | /* FIXME: 2003-09-27: When returning from a nested inferior function |
1331 | call, it's possible (with no help from the architecture vector) | |
1332 | to locate and return/print a "struct return" value. This is just | |
1333 | a more complicated case of what is already being done in in the | |
1334 | inferior function call code. In fact, when inferior function | |
1335 | calls are made async, this will likely be made the norm. */ | |
31db7b6c | 1336 | |
c055b101 CV |
1337 | switch (gdbarch_return_value (gdbarch, func_type, value_type, |
1338 | NULL, NULL, NULL)) | |
44e5158b | 1339 | { |
750eb019 AC |
1340 | case RETURN_VALUE_REGISTER_CONVENTION: |
1341 | case RETURN_VALUE_ABI_RETURNS_ADDRESS: | |
181fc57c | 1342 | case RETURN_VALUE_ABI_PRESERVES_ADDRESS: |
44e5158b | 1343 | value = allocate_value (value_type); |
c055b101 | 1344 | gdbarch_return_value (gdbarch, func_type, value_type, stop_registers, |
990a07ab | 1345 | value_contents_raw (value), NULL); |
750eb019 AC |
1346 | break; |
1347 | case RETURN_VALUE_STRUCT_CONVENTION: | |
1348 | value = NULL; | |
1349 | break; | |
1350 | default: | |
e2e0b3e5 | 1351 | internal_error (__FILE__, __LINE__, _("bad switch")); |
44e5158b | 1352 | } |
bb472c1e | 1353 | |
31db7b6c MK |
1354 | if (value) |
1355 | { | |
79a45b7d TT |
1356 | struct value_print_options opts; |
1357 | ||
31db7b6c | 1358 | /* Print it. */ |
1d751abe PA |
1359 | stb = ui_out_stream_new (uiout); |
1360 | old_chain = make_cleanup_ui_out_stream_delete (stb); | |
31db7b6c MK |
1361 | ui_out_text (uiout, "Value returned is "); |
1362 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", | |
1363 | record_latest_value (value)); | |
1364 | ui_out_text (uiout, " = "); | |
79a45b7d TT |
1365 | get_raw_print_options (&opts); |
1366 | value_print (value, stb->stream, &opts); | |
31db7b6c MK |
1367 | ui_out_field_stream (uiout, "return-value", stb); |
1368 | ui_out_text (uiout, "\n"); | |
1d751abe | 1369 | do_cleanups (old_chain); |
31db7b6c MK |
1370 | } |
1371 | else | |
1372 | { | |
1373 | ui_out_text (uiout, "Value returned has type: "); | |
1d751abe PA |
1374 | ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type)); |
1375 | ui_out_text (uiout, "."); | |
1376 | ui_out_text (uiout, " Cannot determine contents\n"); | |
31db7b6c | 1377 | } |
11cf8741 JM |
1378 | } |
1379 | ||
43ff13b4 | 1380 | /* Stuff that needs to be done by the finish command after the target |
f941662f MK |
1381 | has stopped. In asynchronous mode, we wait for the target to stop |
1382 | in the call to poll or select in the event loop, so it is | |
1383 | impossible to do all the stuff as part of the finish_command | |
1384 | function itself. The only chance we have to complete this command | |
1385 | is in fetch_inferior_event, which is called by the event loop as | |
1386 | soon as it detects that the target has stopped. This function is | |
1387 | called via the cmd_continuation pointer. */ | |
1388 | ||
bfec99b2 | 1389 | struct finish_command_continuation_args |
43ff13b4 | 1390 | { |
43ff13b4 | 1391 | struct breakpoint *breakpoint; |
bfec99b2 PA |
1392 | struct symbol *function; |
1393 | }; | |
c5aa993b | 1394 | |
bfec99b2 | 1395 | static void |
604ead4a | 1396 | finish_command_continuation (void *arg) |
bfec99b2 PA |
1397 | { |
1398 | struct finish_command_continuation_args *a = arg; | |
41d2bdb4 | 1399 | struct thread_info *tp = NULL; |
347bddb7 PA |
1400 | bpstat bs = NULL; |
1401 | ||
1402 | if (!ptid_equal (inferior_ptid, null_ptid) | |
1403 | && target_has_execution | |
1404 | && is_stopped (inferior_ptid)) | |
41d2bdb4 PA |
1405 | { |
1406 | tp = inferior_thread (); | |
1407 | bs = tp->stop_bpstat; | |
1408 | } | |
347bddb7 PA |
1409 | |
1410 | if (bpstat_find_breakpoint (bs, a->breakpoint) != NULL | |
604ead4a | 1411 | && a->function != NULL) |
43ff13b4 | 1412 | { |
604ead4a | 1413 | struct type *value_type; |
bfec99b2 | 1414 | |
604ead4a PA |
1415 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (a->function)); |
1416 | if (!value_type) | |
1417 | internal_error (__FILE__, __LINE__, | |
1418 | _("finish_command: function has no target type")); | |
f5871ec0 | 1419 | |
604ead4a PA |
1420 | if (TYPE_CODE (value_type) != TYPE_CODE_VOID) |
1421 | print_return_value (SYMBOL_TYPE (a->function), value_type); | |
43ff13b4 | 1422 | } |
f941662f | 1423 | |
604ead4a | 1424 | /* We suppress normal call of normal_stop observer and do it here so |
41d2bdb4 PA |
1425 | that the *stopped notification includes the return value. */ |
1426 | if (bs != NULL && tp->proceed_to_finish) | |
1427 | observer_notify_normal_stop (bs, 1 /* print frame */); | |
bfec99b2 | 1428 | delete_breakpoint (a->breakpoint); |
43ff13b4 JM |
1429 | } |
1430 | ||
604ead4a PA |
1431 | static void |
1432 | finish_command_continuation_free_arg (void *arg) | |
1433 | { | |
604ead4a PA |
1434 | xfree (arg); |
1435 | } | |
1436 | ||
b2175913 MS |
1437 | /* finish_backward -- helper function for finish_command. */ |
1438 | ||
1439 | static void | |
1440 | finish_backward (struct symbol *function) | |
1441 | { | |
1442 | struct symtab_and_line sal; | |
1443 | struct thread_info *tp = inferior_thread (); | |
1444 | struct breakpoint *breakpoint; | |
1445 | struct cleanup *old_chain; | |
1c7819ef | 1446 | CORE_ADDR pc; |
b2175913 MS |
1447 | CORE_ADDR func_addr; |
1448 | int back_up; | |
1449 | ||
1c7819ef PA |
1450 | pc = get_frame_pc (get_current_frame ()); |
1451 | ||
1452 | if (find_pc_partial_function (pc, NULL, &func_addr, NULL) == 0) | |
b2175913 MS |
1453 | internal_error (__FILE__, __LINE__, |
1454 | _("Finish: couldn't find function.")); | |
1455 | ||
1456 | sal = find_pc_line (func_addr, 0); | |
1457 | ||
1458 | /* We don't need a return value. */ | |
1459 | tp->proceed_to_finish = 0; | |
1460 | /* Special case: if we're sitting at the function entry point, | |
1461 | then all we need to do is take a reverse singlestep. We | |
1462 | don't need to set a breakpoint, and indeed it would do us | |
1463 | no good to do so. | |
1464 | ||
1465 | Note that this can only happen at frame #0, since there's | |
1466 | no way that a function up the stack can have a return address | |
1467 | that's equal to its entry point. */ | |
1468 | ||
1c7819ef | 1469 | if (sal.pc != pc) |
b2175913 | 1470 | { |
a6d9a66e UW |
1471 | struct frame_info *frame = get_selected_frame (NULL); |
1472 | struct gdbarch *gdbarch = get_frame_arch (frame); | |
1473 | ||
b2175913 MS |
1474 | /* Set breakpoint and continue. */ |
1475 | breakpoint = | |
a6d9a66e UW |
1476 | set_momentary_breakpoint (gdbarch, sal, |
1477 | get_stack_frame_id (frame), | |
b2175913 MS |
1478 | bp_breakpoint); |
1479 | /* Tell the breakpoint to keep quiet. We won't be done | |
1480 | until we've done another reverse single-step. */ | |
1481 | make_breakpoint_silent (breakpoint); | |
1482 | old_chain = make_cleanup_delete_breakpoint (breakpoint); | |
1483 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); | |
1484 | /* We will be stopped when proceed returns. */ | |
1485 | back_up = bpstat_find_breakpoint (tp->stop_bpstat, breakpoint) != NULL; | |
1486 | do_cleanups (old_chain); | |
1487 | } | |
1488 | else | |
1489 | back_up = 1; | |
1490 | if (back_up) | |
1491 | { | |
1492 | /* If in fact we hit the step-resume breakpoint (and not | |
1493 | some other breakpoint), then we're almost there -- | |
1494 | we just need to back up by one more single-step. */ | |
1495 | tp->step_range_start = tp->step_range_end = 1; | |
1496 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); | |
1497 | } | |
1498 | return; | |
1499 | } | |
1500 | ||
1501 | /* finish_forward -- helper function for finish_command. */ | |
1502 | ||
1503 | static void | |
1504 | finish_forward (struct symbol *function, struct frame_info *frame) | |
1505 | { | |
a6d9a66e | 1506 | struct gdbarch *gdbarch = get_frame_arch (frame); |
b2175913 MS |
1507 | struct symtab_and_line sal; |
1508 | struct thread_info *tp = inferior_thread (); | |
1509 | struct breakpoint *breakpoint; | |
1510 | struct cleanup *old_chain; | |
1511 | struct finish_command_continuation_args *cargs; | |
1512 | ||
1513 | sal = find_pc_line (get_frame_pc (frame), 0); | |
1514 | sal.pc = get_frame_pc (frame); | |
1515 | ||
a6d9a66e UW |
1516 | breakpoint = set_momentary_breakpoint (gdbarch, sal, |
1517 | get_stack_frame_id (frame), | |
b2175913 MS |
1518 | bp_finish); |
1519 | ||
1520 | old_chain = make_cleanup_delete_breakpoint (breakpoint); | |
1521 | ||
1522 | tp->proceed_to_finish = 1; /* We want stop_registers, please... */ | |
b2175913 MS |
1523 | cargs = xmalloc (sizeof (*cargs)); |
1524 | ||
1525 | cargs->breakpoint = breakpoint; | |
1526 | cargs->function = function; | |
1527 | add_continuation (tp, finish_command_continuation, cargs, | |
1528 | finish_command_continuation_free_arg); | |
6c95b8df | 1529 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
b2175913 MS |
1530 | |
1531 | discard_cleanups (old_chain); | |
1532 | if (!target_can_async_p ()) | |
1533 | do_all_continuations (); | |
1534 | } | |
1535 | ||
f941662f MK |
1536 | /* "finish": Set a temporary breakpoint at the place the selected |
1537 | frame will return to, then continue. */ | |
c906108c SS |
1538 | |
1539 | static void | |
fba45db2 | 1540 | finish_command (char *arg, int from_tty) |
c906108c | 1541 | { |
52f0bd74 AC |
1542 | struct frame_info *frame; |
1543 | struct symbol *function; | |
43ff13b4 JM |
1544 | |
1545 | int async_exec = 0; | |
1546 | ||
f941662f | 1547 | /* Find out whether we must run in the background. */ |
43ff13b4 JM |
1548 | if (arg != NULL) |
1549 | async_exec = strip_bg_char (&arg); | |
1550 | ||
1551 | /* If we must run in the background, but the target can't do it, | |
f941662f | 1552 | error out. */ |
362646f5 | 1553 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1554 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 | 1555 | |
b2175913 MS |
1556 | /* Don't try to async in reverse. */ |
1557 | if (async_exec && execution_direction == EXEC_REVERSE) | |
1558 | error (_("Asynchronous 'finish' not supported in reverse.")); | |
1559 | ||
43ff13b4 | 1560 | /* If we are not asked to run in the bg, then prepare to run in the |
f941662f | 1561 | foreground, synchronously. */ |
362646f5 | 1562 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 1563 | { |
f941662f | 1564 | /* Simulate synchronous execution. */ |
6426a772 | 1565 | async_disable_stdin (); |
43ff13b4 | 1566 | } |
c906108c SS |
1567 | |
1568 | if (arg) | |
8a3fe4f8 | 1569 | error (_("The \"finish\" command does not take any arguments.")); |
c906108c | 1570 | if (!target_has_execution) |
8a3fe4f8 | 1571 | error (_("The program is not running.")); |
c906108c | 1572 | |
206415a3 | 1573 | frame = get_prev_frame (get_selected_frame (_("No selected frame."))); |
c906108c | 1574 | if (frame == 0) |
8a3fe4f8 | 1575 | error (_("\"finish\" not meaningful in the outermost frame.")); |
c906108c SS |
1576 | |
1577 | clear_proceed_status (); | |
1578 | ||
edb3359d DJ |
1579 | /* Finishing from an inline frame is completely different. We don't |
1580 | try to show the "return value" - no way to locate it. So we do | |
1581 | not need a completion. */ | |
1582 | if (get_frame_type (get_selected_frame (_("No selected frame."))) | |
1583 | == INLINE_FRAME) | |
1584 | { | |
1585 | /* Claim we are stepping in the calling frame. An empty step | |
1586 | range means that we will stop once we aren't in a function | |
1587 | called by that frame. We don't use the magic "1" value for | |
1588 | step_range_end, because then infrun will think this is nexti, | |
1589 | and not step over the rest of this inlined function call. */ | |
1590 | struct thread_info *tp = inferior_thread (); | |
1591 | struct symtab_and_line empty_sal; | |
1592 | init_sal (&empty_sal); | |
1593 | set_step_info (frame, empty_sal); | |
1594 | tp->step_range_start = tp->step_range_end = get_frame_pc (frame); | |
1595 | tp->step_over_calls = STEP_OVER_ALL; | |
1596 | ||
1597 | /* Print info on the selected frame, including level number but not | |
1598 | source. */ | |
1599 | if (from_tty) | |
1600 | { | |
1601 | printf_filtered (_("Run till exit from ")); | |
1602 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION); | |
1603 | } | |
1604 | ||
1605 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); | |
1606 | return; | |
1607 | } | |
1608 | ||
c906108c SS |
1609 | /* Find the function we will return from. */ |
1610 | ||
206415a3 | 1611 | function = find_pc_function (get_frame_pc (get_selected_frame (NULL))); |
c906108c | 1612 | |
f941662f MK |
1613 | /* Print info on the selected frame, including level number but not |
1614 | source. */ | |
c906108c SS |
1615 | if (from_tty) |
1616 | { | |
b2175913 MS |
1617 | if (execution_direction == EXEC_REVERSE) |
1618 | printf_filtered (_("Run back to call of ")); | |
1619 | else | |
1620 | printf_filtered (_("Run till exit from ")); | |
1621 | ||
b04f3ab4 | 1622 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION); |
c906108c SS |
1623 | } |
1624 | ||
b2175913 MS |
1625 | if (execution_direction == EXEC_REVERSE) |
1626 | finish_backward (function); | |
1627 | else | |
1628 | finish_forward (function, frame); | |
c906108c SS |
1629 | } |
1630 | \f | |
f941662f | 1631 | |
c906108c | 1632 | static void |
fba45db2 | 1633 | program_info (char *args, int from_tty) |
c906108c | 1634 | { |
347bddb7 PA |
1635 | bpstat bs; |
1636 | int num, stat; | |
1637 | struct thread_info *tp; | |
1638 | ptid_t ptid; | |
c5aa993b | 1639 | |
c906108c SS |
1640 | if (!target_has_execution) |
1641 | { | |
a3f17187 | 1642 | printf_filtered (_("The program being debugged is not being run.\n")); |
c906108c SS |
1643 | return; |
1644 | } | |
1645 | ||
347bddb7 PA |
1646 | if (non_stop) |
1647 | ptid = inferior_ptid; | |
1648 | else | |
1649 | { | |
1650 | struct target_waitstatus ws; | |
1651 | get_last_target_status (&ptid, &ws); | |
1652 | } | |
1653 | ||
1654 | if (ptid_equal (ptid, null_ptid) || is_exited (ptid)) | |
1655 | error (_("Invalid selected thread.")); | |
1656 | else if (is_running (ptid)) | |
1657 | error (_("Selected thread is running.")); | |
1658 | ||
e09875d4 | 1659 | tp = find_thread_ptid (ptid); |
347bddb7 PA |
1660 | bs = tp->stop_bpstat; |
1661 | stat = bpstat_num (&bs, &num); | |
1662 | ||
c906108c | 1663 | target_files_info (); |
5af949e3 UW |
1664 | printf_filtered (_("Program stopped at %s.\n"), |
1665 | paddress (target_gdbarch, stop_pc)); | |
414c69f7 | 1666 | if (tp->stop_step) |
a3f17187 | 1667 | printf_filtered (_("It stopped after being stepped.\n")); |
8671a17b | 1668 | else if (stat != 0) |
c906108c SS |
1669 | { |
1670 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 1671 | isn't as strange as it seems. */ |
8671a17b | 1672 | while (stat != 0) |
c906108c | 1673 | { |
8671a17b | 1674 | if (stat < 0) |
c906108c | 1675 | { |
a3f17187 AC |
1676 | printf_filtered (_("\ |
1677 | It stopped at a breakpoint that has since been deleted.\n")); | |
c906108c SS |
1678 | } |
1679 | else | |
a3f17187 | 1680 | printf_filtered (_("It stopped at breakpoint %d.\n"), num); |
8671a17b | 1681 | stat = bpstat_num (&bs, &num); |
c906108c SS |
1682 | } |
1683 | } | |
2020b7ab | 1684 | else if (tp->stop_signal != TARGET_SIGNAL_0) |
c906108c | 1685 | { |
a3f17187 | 1686 | printf_filtered (_("It stopped with signal %s, %s.\n"), |
2020b7ab PA |
1687 | target_signal_to_name (tp->stop_signal), |
1688 | target_signal_to_string (tp->stop_signal)); | |
c906108c SS |
1689 | } |
1690 | ||
1691 | if (!from_tty) | |
1692 | { | |
a3f17187 AC |
1693 | printf_filtered (_("\ |
1694 | Type \"info stack\" or \"info registers\" for more information.\n")); | |
c906108c SS |
1695 | } |
1696 | } | |
1697 | \f | |
1698 | static void | |
fba45db2 | 1699 | environment_info (char *var, int from_tty) |
c906108c SS |
1700 | { |
1701 | if (var) | |
1702 | { | |
3f81c18a | 1703 | char *val = get_in_environ (current_inferior ()->environment, var); |
c906108c SS |
1704 | if (val) |
1705 | { | |
1706 | puts_filtered (var); | |
1707 | puts_filtered (" = "); | |
1708 | puts_filtered (val); | |
1709 | puts_filtered ("\n"); | |
1710 | } | |
1711 | else | |
1712 | { | |
1713 | puts_filtered ("Environment variable \""); | |
1714 | puts_filtered (var); | |
1715 | puts_filtered ("\" not defined.\n"); | |
1716 | } | |
1717 | } | |
1718 | else | |
1719 | { | |
3f81c18a | 1720 | char **vector = environ_vector (current_inferior ()->environment); |
c906108c SS |
1721 | while (*vector) |
1722 | { | |
1723 | puts_filtered (*vector++); | |
1724 | puts_filtered ("\n"); | |
1725 | } | |
1726 | } | |
1727 | } | |
1728 | ||
1729 | static void | |
fba45db2 | 1730 | set_environment_command (char *arg, int from_tty) |
c906108c | 1731 | { |
52f0bd74 | 1732 | char *p, *val, *var; |
c906108c SS |
1733 | int nullset = 0; |
1734 | ||
1735 | if (arg == 0) | |
e2e0b3e5 | 1736 | error_no_arg (_("environment variable and value")); |
c906108c SS |
1737 | |
1738 | /* Find seperation between variable name and value */ | |
1739 | p = (char *) strchr (arg, '='); | |
1740 | val = (char *) strchr (arg, ' '); | |
1741 | ||
1742 | if (p != 0 && val != 0) | |
1743 | { | |
1744 | /* We have both a space and an equals. If the space is before the | |
c5aa993b JM |
1745 | equals, walk forward over the spaces til we see a nonspace |
1746 | (possibly the equals). */ | |
c906108c SS |
1747 | if (p > val) |
1748 | while (*val == ' ') | |
1749 | val++; | |
1750 | ||
1751 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 1752 | take the char following the spaces. */ |
c906108c SS |
1753 | if (p > val) |
1754 | p = val - 1; | |
1755 | } | |
1756 | else if (val != 0 && p == 0) | |
1757 | p = val; | |
1758 | ||
1759 | if (p == arg) | |
e2e0b3e5 | 1760 | error_no_arg (_("environment variable to set")); |
c906108c SS |
1761 | |
1762 | if (p == 0 || p[1] == 0) | |
1763 | { | |
1764 | nullset = 1; | |
1765 | if (p == 0) | |
1766 | p = arg + strlen (arg); /* So that savestring below will work */ | |
1767 | } | |
1768 | else | |
1769 | { | |
1770 | /* Not setting variable value to null */ | |
1771 | val = p + 1; | |
1772 | while (*val == ' ' || *val == '\t') | |
1773 | val++; | |
1774 | } | |
1775 | ||
c5aa993b JM |
1776 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
1777 | p--; | |
c906108c SS |
1778 | |
1779 | var = savestring (arg, p - arg); | |
1780 | if (nullset) | |
1781 | { | |
a3f17187 AC |
1782 | printf_filtered (_("\ |
1783 | Setting environment variable \"%s\" to null value.\n"), | |
1784 | var); | |
3f81c18a | 1785 | set_in_environ (current_inferior ()->environment, var, ""); |
c906108c SS |
1786 | } |
1787 | else | |
3f81c18a | 1788 | set_in_environ (current_inferior ()->environment, var, val); |
b8c9b27d | 1789 | xfree (var); |
c906108c SS |
1790 | } |
1791 | ||
1792 | static void | |
fba45db2 | 1793 | unset_environment_command (char *var, int from_tty) |
c906108c SS |
1794 | { |
1795 | if (var == 0) | |
1796 | { | |
1797 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 1798 | Ask for confirmation if reading from the terminal. */ |
e2e0b3e5 | 1799 | if (!from_tty || query (_("Delete all environment variables? "))) |
c906108c | 1800 | { |
3f81c18a VP |
1801 | free_environ (current_inferior ()->environment); |
1802 | current_inferior ()->environment = make_environ (); | |
c906108c SS |
1803 | } |
1804 | } | |
1805 | else | |
3f81c18a | 1806 | unset_in_environ (current_inferior ()->environment, var); |
c906108c SS |
1807 | } |
1808 | ||
1809 | /* Handle the execution path (PATH variable) */ | |
1810 | ||
1811 | static const char path_var_name[] = "PATH"; | |
1812 | ||
c906108c | 1813 | static void |
fba45db2 | 1814 | path_info (char *args, int from_tty) |
c906108c SS |
1815 | { |
1816 | puts_filtered ("Executable and object file path: "); | |
3f81c18a | 1817 | puts_filtered (get_in_environ (current_inferior ()->environment, path_var_name)); |
c906108c SS |
1818 | puts_filtered ("\n"); |
1819 | } | |
1820 | ||
1821 | /* Add zero or more directories to the front of the execution path. */ | |
1822 | ||
1823 | static void | |
fba45db2 | 1824 | path_command (char *dirname, int from_tty) |
c906108c SS |
1825 | { |
1826 | char *exec_path; | |
1827 | char *env; | |
1828 | dont_repeat (); | |
3f81c18a | 1829 | env = get_in_environ (current_inferior ()->environment, path_var_name); |
c906108c SS |
1830 | /* Can be null if path is not set */ |
1831 | if (!env) | |
1832 | env = ""; | |
4fcf66da | 1833 | exec_path = xstrdup (env); |
c906108c | 1834 | mod_path (dirname, &exec_path); |
3f81c18a | 1835 | set_in_environ (current_inferior ()->environment, path_var_name, exec_path); |
b8c9b27d | 1836 | xfree (exec_path); |
c906108c | 1837 | if (from_tty) |
c5aa993b | 1838 | path_info ((char *) NULL, from_tty); |
c906108c | 1839 | } |
c906108c | 1840 | \f |
c5aa993b | 1841 | |
4782dc19 | 1842 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
1843 | registers (print_all == 1) or all non-float and non-vector |
1844 | registers (print_all == 0). | |
c906108c SS |
1845 | |
1846 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
1847 | register(s) one per line is good enough. If a different format is |
1848 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
1849 | regs), or there is an existing convention for showing all the | |
1850 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
1851 | provide that format. */ | |
c906108c | 1852 | |
666e11c5 | 1853 | void |
0ab7a791 AC |
1854 | default_print_registers_info (struct gdbarch *gdbarch, |
1855 | struct ui_file *file, | |
1856 | struct frame_info *frame, | |
1857 | int regnum, int print_all) | |
c906108c | 1858 | { |
0ab7a791 | 1859 | int i; |
a4bd449d UW |
1860 | const int numregs = gdbarch_num_regs (gdbarch) |
1861 | + gdbarch_num_pseudo_regs (gdbarch); | |
10c42a71 | 1862 | gdb_byte buffer[MAX_REGISTER_SIZE]; |
0ab7a791 | 1863 | |
c906108c SS |
1864 | for (i = 0; i < numregs; i++) |
1865 | { | |
4782dc19 AC |
1866 | /* Decide between printing all regs, non-float / vector regs, or |
1867 | specific reg. */ | |
c5aa993b JM |
1868 | if (regnum == -1) |
1869 | { | |
f9418c0f | 1870 | if (print_all) |
4782dc19 | 1871 | { |
f9418c0f | 1872 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 1873 | continue; |
f9418c0f AC |
1874 | } |
1875 | else | |
1876 | { | |
1877 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
1878 | continue; |
1879 | } | |
c5aa993b JM |
1880 | } |
1881 | else | |
1882 | { | |
1883 | if (i != regnum) | |
1884 | continue; | |
1885 | } | |
c906108c SS |
1886 | |
1887 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 1888 | processor, so don't display anything. */ |
a4bd449d UW |
1889 | if (gdbarch_register_name (gdbarch, i) == NULL |
1890 | || *(gdbarch_register_name (gdbarch, i)) == '\0') | |
c906108c SS |
1891 | continue; |
1892 | ||
a4bd449d | 1893 | fputs_filtered (gdbarch_register_name (gdbarch, i), file); |
c9f4d572 | 1894 | print_spaces_filtered (15 - strlen (gdbarch_register_name |
a4bd449d | 1895 | (gdbarch, i)), file); |
c906108c SS |
1896 | |
1897 | /* Get the data in raw format. */ | |
9730f241 | 1898 | if (! frame_register_read (frame, i, buffer)) |
c906108c | 1899 | { |
0ab7a791 | 1900 | fprintf_filtered (file, "*value not available*\n"); |
c906108c SS |
1901 | continue; |
1902 | } | |
1903 | ||
0ab7a791 AC |
1904 | /* If virtual format is floating, print it that way, and in raw |
1905 | hex. */ | |
f949c649 TJB |
1906 | if (TYPE_CODE (register_type (gdbarch, i)) == TYPE_CODE_FLT |
1907 | || TYPE_CODE (register_type (gdbarch, i)) == TYPE_CODE_DECFLOAT) | |
c906108c | 1908 | { |
0ab7a791 | 1909 | int j; |
79a45b7d | 1910 | struct value_print_options opts; |
c906108c | 1911 | |
79a45b7d TT |
1912 | get_user_print_options (&opts); |
1913 | opts.deref_ref = 1; | |
a4bd449d | 1914 | val_print (register_type (gdbarch, i), buffer, 0, 0, |
79a45b7d | 1915 | file, 0, &opts, current_language); |
c906108c | 1916 | |
0ab7a791 | 1917 | fprintf_filtered (file, "\t(raw 0x"); |
a4bd449d | 1918 | for (j = 0; j < register_size (gdbarch, i); j++) |
c906108c | 1919 | { |
0ab7a791 | 1920 | int idx; |
a4bd449d | 1921 | if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) |
0ab7a791 AC |
1922 | idx = j; |
1923 | else | |
a4bd449d | 1924 | idx = register_size (gdbarch, i) - 1 - j; |
9730f241 | 1925 | fprintf_filtered (file, "%02x", (unsigned char) buffer[idx]); |
c906108c | 1926 | } |
0ab7a791 | 1927 | fprintf_filtered (file, ")"); |
c906108c | 1928 | } |
c906108c SS |
1929 | else |
1930 | { | |
79a45b7d TT |
1931 | struct value_print_options opts; |
1932 | ||
ab4327e0 | 1933 | /* Print the register in hex. */ |
79a45b7d TT |
1934 | get_formatted_print_options (&opts, 'x'); |
1935 | opts.deref_ref = 1; | |
a4bd449d | 1936 | val_print (register_type (gdbarch, i), buffer, 0, 0, |
79a45b7d TT |
1937 | file, 0, &opts, |
1938 | current_language); | |
ab4327e0 EZ |
1939 | /* If not a vector register, print it also according to its |
1940 | natural format. */ | |
a4bd449d | 1941 | if (TYPE_VECTOR (register_type (gdbarch, i)) == 0) |
ab4327e0 | 1942 | { |
79a45b7d TT |
1943 | get_user_print_options (&opts); |
1944 | opts.deref_ref = 1; | |
9d84ac84 | 1945 | fprintf_filtered (file, "\t"); |
a4bd449d | 1946 | val_print (register_type (gdbarch, i), buffer, 0, 0, |
79a45b7d | 1947 | file, 0, &opts, current_language); |
ab4327e0 | 1948 | } |
c906108c SS |
1949 | } |
1950 | ||
0ab7a791 | 1951 | fprintf_filtered (file, "\n"); |
c906108c SS |
1952 | } |
1953 | } | |
c906108c | 1954 | |
c906108c | 1955 | void |
fba45db2 | 1956 | registers_info (char *addr_exp, int fpregs) |
c906108c | 1957 | { |
206415a3 | 1958 | struct frame_info *frame; |
a4bd449d | 1959 | struct gdbarch *gdbarch; |
c906108c | 1960 | int regnum, numregs; |
52f0bd74 | 1961 | char *end; |
c906108c SS |
1962 | |
1963 | if (!target_has_registers) | |
8a3fe4f8 | 1964 | error (_("The program has no registers now.")); |
206415a3 | 1965 | frame = get_selected_frame (NULL); |
a4bd449d | 1966 | gdbarch = get_frame_arch (frame); |
c906108c SS |
1967 | |
1968 | if (!addr_exp) | |
1969 | { | |
a4bd449d | 1970 | gdbarch_print_registers_info (gdbarch, gdb_stdout, |
206415a3 | 1971 | frame, -1, fpregs); |
c906108c SS |
1972 | return; |
1973 | } | |
1974 | ||
f9418c0f | 1975 | while (*addr_exp != '\0') |
c5aa993b | 1976 | { |
f9418c0f AC |
1977 | char *start; |
1978 | const char *end; | |
c906108c | 1979 | |
f9418c0f AC |
1980 | /* Keep skipping leading white space. */ |
1981 | if (isspace ((*addr_exp))) | |
1982 | { | |
1983 | addr_exp++; | |
1984 | continue; | |
1985 | } | |
c906108c | 1986 | |
f9418c0f AC |
1987 | /* Discard any leading ``$''. Check that there is something |
1988 | resembling a register following it. */ | |
1989 | if (addr_exp[0] == '$') | |
1990 | addr_exp++; | |
1991 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
8a3fe4f8 | 1992 | error (_("Missing register name")); |
c906108c | 1993 | |
f9418c0f AC |
1994 | /* Find the start/end of this register name/num/group. */ |
1995 | start = addr_exp; | |
1996 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
1997 | addr_exp++; | |
1998 | end = addr_exp; | |
ad842144 | 1999 | |
f9418c0f AC |
2000 | /* Figure out what we've found and display it. */ |
2001 | ||
2002 | /* A register name? */ | |
2003 | { | |
029a67e4 | 2004 | int regnum = user_reg_map_name_to_regnum (gdbarch, start, end - start); |
f9418c0f AC |
2005 | if (regnum >= 0) |
2006 | { | |
ad842144 MR |
2007 | /* User registers lie completely outside of the range of |
2008 | normal registers. Catch them early so that the target | |
2009 | never sees them. */ | |
2010 | if (regnum >= gdbarch_num_regs (gdbarch) | |
2011 | + gdbarch_num_pseudo_regs (gdbarch)) | |
2012 | { | |
79a45b7d | 2013 | struct value_print_options opts; |
ad842144 MR |
2014 | struct value *val = value_of_user_reg (regnum, frame); |
2015 | ||
2016 | printf_filtered ("%s: ", start); | |
79a45b7d | 2017 | get_formatted_print_options (&opts, 'x'); |
ad842144 MR |
2018 | print_scalar_formatted (value_contents (val), |
2019 | check_typedef (value_type (val)), | |
79a45b7d | 2020 | &opts, 0, gdb_stdout); |
ad842144 MR |
2021 | printf_filtered ("\n"); |
2022 | } | |
2023 | else | |
2024 | gdbarch_print_registers_info (gdbarch, gdb_stdout, | |
2025 | frame, regnum, fpregs); | |
f9418c0f AC |
2026 | continue; |
2027 | } | |
2028 | } | |
ad842144 | 2029 | |
f9418c0f AC |
2030 | /* A register group? */ |
2031 | { | |
6c7d17ba | 2032 | struct reggroup *group; |
a4bd449d | 2033 | for (group = reggroup_next (gdbarch, NULL); |
6c7d17ba | 2034 | group != NULL; |
a4bd449d | 2035 | group = reggroup_next (gdbarch, group)) |
f9418c0f AC |
2036 | { |
2037 | /* Don't bother with a length check. Should the user | |
2038 | enter a short register group name, go with the first | |
2039 | group that matches. */ | |
6c7d17ba | 2040 | if (strncmp (start, reggroup_name (group), end - start) == 0) |
f9418c0f AC |
2041 | break; |
2042 | } | |
6c7d17ba | 2043 | if (group != NULL) |
f9418c0f AC |
2044 | { |
2045 | int regnum; | |
f57d151a | 2046 | for (regnum = 0; |
a4bd449d UW |
2047 | regnum < gdbarch_num_regs (gdbarch) |
2048 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2049 | regnum++) |
f9418c0f | 2050 | { |
a4bd449d UW |
2051 | if (gdbarch_register_reggroup_p (gdbarch, regnum, group)) |
2052 | gdbarch_print_registers_info (gdbarch, | |
206415a3 | 2053 | gdb_stdout, frame, |
f9418c0f AC |
2054 | regnum, fpregs); |
2055 | } | |
2056 | continue; | |
2057 | } | |
2058 | } | |
c906108c | 2059 | |
f9418c0f | 2060 | /* Nothing matched. */ |
8a3fe4f8 | 2061 | error (_("Invalid register `%.*s'"), (int) (end - start), start); |
c5aa993b | 2062 | } |
c906108c SS |
2063 | } |
2064 | ||
2065 | void | |
fba45db2 | 2066 | all_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
2067 | { |
2068 | registers_info (addr_exp, 1); | |
2069 | } | |
2070 | ||
a58dd373 | 2071 | static void |
fba45db2 | 2072 | nofp_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
2073 | { |
2074 | registers_info (addr_exp, 0); | |
2075 | } | |
e76f1f2e AC |
2076 | |
2077 | static void | |
d80b854b | 2078 | print_vector_info (struct ui_file *file, |
e76f1f2e AC |
2079 | struct frame_info *frame, const char *args) |
2080 | { | |
d80b854b UW |
2081 | struct gdbarch *gdbarch = get_frame_arch (frame); |
2082 | ||
e76f1f2e AC |
2083 | if (gdbarch_print_vector_info_p (gdbarch)) |
2084 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
2085 | else | |
2086 | { | |
2087 | int regnum; | |
2088 | int printed_something = 0; | |
ab4327e0 | 2089 | |
f57d151a | 2090 | for (regnum = 0; |
a4bd449d UW |
2091 | regnum < gdbarch_num_regs (gdbarch) |
2092 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2093 | regnum++) |
e76f1f2e | 2094 | { |
f9418c0f | 2095 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
2096 | { |
2097 | printed_something = 1; | |
e76f1f2e | 2098 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
2099 | } |
2100 | } | |
2101 | if (!printed_something) | |
2102 | fprintf_filtered (file, "No vector information\n"); | |
2103 | } | |
2104 | } | |
2105 | ||
2106 | static void | |
2107 | vector_info (char *args, int from_tty) | |
2108 | { | |
206415a3 DJ |
2109 | if (!target_has_registers) |
2110 | error (_("The program has no registers now.")); | |
2111 | ||
d80b854b | 2112 | print_vector_info (gdb_stdout, get_selected_frame (NULL), args); |
e76f1f2e | 2113 | } |
c906108c | 2114 | \f |
5fd62852 PA |
2115 | /* Kill the inferior process. Make us have no inferior. */ |
2116 | ||
2117 | static void | |
2118 | kill_command (char *arg, int from_tty) | |
2119 | { | |
2120 | /* FIXME: This should not really be inferior_ptid (or target_has_execution). | |
2121 | It should be a distinct flag that indicates that a target is active, cuz | |
2122 | some targets don't have processes! */ | |
2123 | ||
2124 | if (ptid_equal (inferior_ptid, null_ptid)) | |
2125 | error (_("The program is not being run.")); | |
2126 | if (!query (_("Kill the program being debugged? "))) | |
2127 | error (_("Not confirmed.")); | |
2128 | target_kill (); | |
2129 | ||
c35b1492 PA |
2130 | /* If we still have other inferiors to debug, then don't mess with |
2131 | with their threads. */ | |
2132 | if (!have_inferiors ()) | |
5fd62852 PA |
2133 | { |
2134 | init_thread_list (); /* Destroy thread info */ | |
2135 | ||
2136 | /* Killing off the inferior can leave us with a core file. If | |
2137 | so, print the state we are left in. */ | |
2138 | if (target_has_stack) | |
2139 | { | |
2140 | printf_filtered (_("In %s,\n"), target_longname); | |
2141 | print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC); | |
2142 | } | |
2143 | } | |
2144 | bfd_cache_close_all (); | |
2145 | } | |
c5aa993b | 2146 | |
74531fed PA |
2147 | /* Used in `attach&' command. ARG is a point to an integer |
2148 | representing a process id. Proceed threads of this process iff | |
2149 | they stopped due to debugger request, and when they did, they | |
2150 | reported a clean stop (TARGET_SIGNAL_0). Do not proceed threads | |
2151 | that have been explicitly been told to stop. */ | |
2152 | ||
2153 | static int | |
2154 | proceed_after_attach_callback (struct thread_info *thread, | |
2155 | void *arg) | |
2156 | { | |
2157 | int pid = * (int *) arg; | |
2158 | ||
2159 | if (ptid_get_pid (thread->ptid) == pid | |
2160 | && !is_exited (thread->ptid) | |
2161 | && !is_executing (thread->ptid) | |
2162 | && !thread->stop_requested | |
2163 | && thread->stop_signal == TARGET_SIGNAL_0) | |
2164 | { | |
2165 | switch_to_thread (thread->ptid); | |
2166 | clear_proceed_status (); | |
2167 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); | |
2168 | } | |
2169 | ||
2170 | return 0; | |
2171 | } | |
2172 | ||
2173 | static void | |
2174 | proceed_after_attach (int pid) | |
2175 | { | |
2176 | /* Don't error out if the current thread is running, because | |
2177 | there may be other stopped threads. */ | |
2178 | struct cleanup *old_chain; | |
2179 | ||
2180 | /* Backup current thread and selected frame. */ | |
2181 | old_chain = make_cleanup_restore_current_thread (); | |
2182 | ||
2183 | iterate_over_threads (proceed_after_attach_callback, &pid); | |
2184 | ||
2185 | /* Restore selected ptid. */ | |
2186 | do_cleanups (old_chain); | |
2187 | } | |
2188 | ||
c906108c SS |
2189 | /* |
2190 | * TODO: | |
2191 | * Should save/restore the tty state since it might be that the | |
2192 | * program to be debugged was started on this tty and it wants | |
2193 | * the tty in some state other than what we want. If it's running | |
2194 | * on another terminal or without a terminal, then saving and | |
2195 | * restoring the tty state is a harmless no-op. | |
2196 | * This only needs to be done if we are attaching to a process. | |
2197 | */ | |
2198 | ||
2199 | /* | |
2200 | attach_command -- | |
2201 | takes a program started up outside of gdb and ``attaches'' to it. | |
2202 | This stops it cold in its tracks and allows us to start debugging it. | |
2203 | and wait for the trace-trap that results from attaching. */ | |
2204 | ||
9356cf8d PA |
2205 | static void |
2206 | attach_command_post_wait (char *args, int from_tty, int async_exec) | |
2207 | { | |
2208 | char *exec_file; | |
2209 | char *full_exec_path = NULL; | |
d6b48e9c | 2210 | struct inferior *inferior; |
9356cf8d | 2211 | |
d6b48e9c PA |
2212 | inferior = current_inferior (); |
2213 | inferior->stop_soon = NO_STOP_QUIETLY; | |
9356cf8d PA |
2214 | |
2215 | /* If no exec file is yet known, try to determine it from the | |
2216 | process itself. */ | |
2217 | exec_file = (char *) get_exec_file (0); | |
2218 | if (!exec_file) | |
2219 | { | |
2220 | exec_file = target_pid_to_exec_file (PIDGET (inferior_ptid)); | |
2221 | if (exec_file) | |
2222 | { | |
2223 | /* It's possible we don't have a full path, but rather just a | |
2224 | filename. Some targets, such as HP-UX, don't provide the | |
2225 | full path, sigh. | |
2226 | ||
2227 | Attempt to qualify the filename against the source path. | |
2228 | (If that fails, we'll just fall back on the original | |
2229 | filename. Not much more we can do...) | |
2230 | */ | |
2231 | if (!source_full_path_of (exec_file, &full_exec_path)) | |
1b36a34b | 2232 | full_exec_path = xstrdup (exec_file); |
9356cf8d PA |
2233 | |
2234 | exec_file_attach (full_exec_path, from_tty); | |
2235 | symbol_file_add_main (full_exec_path, from_tty); | |
2236 | } | |
2237 | } | |
2238 | else | |
2239 | { | |
2240 | reopen_exec_file (); | |
2241 | reread_symbols (); | |
2242 | } | |
2243 | ||
2244 | /* Take any necessary post-attaching actions for this platform. */ | |
2245 | target_post_attach (PIDGET (inferior_ptid)); | |
2246 | ||
2247 | post_create_inferior (¤t_target, from_tty); | |
2248 | ||
2249 | /* Install inferior's terminal modes. */ | |
2250 | target_terminal_inferior (); | |
2251 | ||
2252 | if (async_exec) | |
74531fed PA |
2253 | { |
2254 | /* The user requested an `attach&', so be sure to leave threads | |
2255 | that didn't get a signal running. */ | |
2256 | ||
2257 | /* Immediatelly resume all suspended threads of this inferior, | |
2258 | and this inferior only. This should have no effect on | |
2259 | already running threads. If a thread has been stopped with a | |
2260 | signal, leave it be. */ | |
2261 | if (non_stop) | |
2262 | proceed_after_attach (inferior->pid); | |
2263 | else | |
2264 | { | |
2265 | if (inferior_thread ()->stop_signal == TARGET_SIGNAL_0) | |
2266 | { | |
2267 | clear_proceed_status (); | |
2268 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); | |
2269 | } | |
2270 | } | |
2271 | } | |
9356cf8d PA |
2272 | else |
2273 | { | |
74531fed PA |
2274 | /* The user requested a plain `attach', so be sure to leave |
2275 | the inferior stopped. */ | |
2276 | ||
9356cf8d PA |
2277 | if (target_can_async_p ()) |
2278 | async_enable_stdin (); | |
74531fed PA |
2279 | |
2280 | /* At least the current thread is already stopped. */ | |
2281 | ||
2282 | /* In all-stop, by definition, all threads have to be already | |
2283 | stopped at this point. In non-stop, however, although the | |
2284 | selected thread is stopped, others may still be executing. | |
2285 | Be sure to explicitly stop all threads of the process. This | |
2286 | should have no effect on already stopped threads. */ | |
2287 | if (non_stop) | |
2288 | target_stop (pid_to_ptid (inferior->pid)); | |
2289 | ||
2290 | /* Tell the user/frontend where we're stopped. */ | |
9356cf8d PA |
2291 | normal_stop (); |
2292 | if (deprecated_attach_hook) | |
2293 | deprecated_attach_hook (); | |
2294 | } | |
2295 | } | |
2296 | ||
bfec99b2 | 2297 | struct attach_command_continuation_args |
9356cf8d PA |
2298 | { |
2299 | char *args; | |
2300 | int from_tty; | |
2301 | int async_exec; | |
bfec99b2 | 2302 | }; |
9356cf8d | 2303 | |
bfec99b2 | 2304 | static void |
604ead4a | 2305 | attach_command_continuation (void *args) |
bfec99b2 PA |
2306 | { |
2307 | struct attach_command_continuation_args *a = args; | |
2308 | attach_command_post_wait (a->args, a->from_tty, a->async_exec); | |
9356cf8d PA |
2309 | } |
2310 | ||
604ead4a PA |
2311 | static void |
2312 | attach_command_continuation_free_args (void *args) | |
2313 | { | |
2314 | struct attach_command_continuation_args *a = args; | |
2315 | xfree (a->args); | |
2316 | xfree (a); | |
2317 | } | |
2318 | ||
c906108c | 2319 | void |
fba45db2 | 2320 | attach_command (char *args, int from_tty) |
c906108c | 2321 | { |
c5aa993b JM |
2322 | char *exec_file; |
2323 | char *full_exec_path = NULL; | |
9356cf8d | 2324 | int async_exec = 0; |
cb0362bb | 2325 | struct cleanup *back_to = make_cleanup (null_cleanup, NULL); |
c906108c | 2326 | |
c5aa993b | 2327 | dont_repeat (); /* Not for the faint of heart */ |
c906108c | 2328 | |
2567c7d9 PA |
2329 | if (gdbarch_has_global_solist (target_gdbarch)) |
2330 | /* Don't complain if all processes share the same symbol | |
2331 | space. */ | |
8a305172 PA |
2332 | ; |
2333 | else if (target_has_execution) | |
c906108c | 2334 | { |
9e2f0ad4 | 2335 | if (query (_("A program is being debugged already. Kill it? "))) |
c906108c SS |
2336 | target_kill (); |
2337 | else | |
8a3fe4f8 | 2338 | error (_("Not killed.")); |
c906108c SS |
2339 | } |
2340 | ||
fd79ecee DJ |
2341 | /* Clean up any leftovers from other runs. Some other things from |
2342 | this function should probably be moved into target_pre_inferior. */ | |
2343 | target_pre_inferior (from_tty); | |
2344 | ||
9908b566 VP |
2345 | if (non_stop && !target_supports_non_stop ()) |
2346 | error (_("Cannot attach to this target in non-stop mode")); | |
2347 | ||
9356cf8d PA |
2348 | if (args) |
2349 | { | |
2350 | async_exec = strip_bg_char (&args); | |
2351 | ||
2352 | /* If we get a request for running in the bg but the target | |
2353 | doesn't support it, error out. */ | |
2354 | if (async_exec && !target_can_async_p ()) | |
2355 | error (_("Asynchronous execution not supported on this target.")); | |
2356 | } | |
2357 | ||
2358 | /* If we don't get a request of running in the bg, then we need | |
2359 | to simulate synchronous (fg) execution. */ | |
2360 | if (!async_exec && target_can_async_p ()) | |
2361 | { | |
2362 | /* Simulate synchronous execution */ | |
2363 | async_disable_stdin (); | |
cb0362bb | 2364 | make_cleanup ((make_cleanup_ftype *)async_enable_stdin, NULL); |
9356cf8d PA |
2365 | } |
2366 | ||
c906108c SS |
2367 | target_attach (args, from_tty); |
2368 | ||
2369 | /* Set up the "saved terminal modes" of the inferior | |
2370 | based on what modes we are starting it with. */ | |
2371 | target_terminal_init (); | |
2372 | ||
c906108c SS |
2373 | /* Set up execution context to know that we should return from |
2374 | wait_for_inferior as soon as the target reports a stop. */ | |
2375 | init_wait_for_inferior (); | |
2376 | clear_proceed_status (); | |
c906108c | 2377 | |
74531fed PA |
2378 | if (non_stop) |
2379 | { | |
2380 | /* If we find that the current thread isn't stopped, explicitly | |
2381 | do so now, because we're going to install breakpoints and | |
2382 | poke at memory. */ | |
2383 | ||
2384 | if (async_exec) | |
2385 | /* The user requested an `attach&'; stop just one thread. */ | |
2386 | target_stop (inferior_ptid); | |
2387 | else | |
2388 | /* The user requested an `attach', so stop all threads of this | |
2389 | inferior. */ | |
2390 | target_stop (pid_to_ptid (ptid_get_pid (inferior_ptid))); | |
2391 | } | |
2392 | ||
dc177b7a PA |
2393 | /* Some system don't generate traps when attaching to inferior. |
2394 | E.g. Mach 3 or GNU hurd. */ | |
2395 | if (!target_attach_no_wait) | |
c5aa993b | 2396 | { |
d6b48e9c PA |
2397 | struct inferior *inferior = current_inferior (); |
2398 | ||
dc177b7a PA |
2399 | /* Careful here. See comments in inferior.h. Basically some |
2400 | OSes don't ignore SIGSTOPs on continue requests anymore. We | |
2401 | need a way for handle_inferior_event to reset the stop_signal | |
2402 | variable after an attach, and this is what | |
2403 | STOP_QUIETLY_NO_SIGSTOP is for. */ | |
d6b48e9c | 2404 | inferior->stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c5aa993b | 2405 | |
dc177b7a PA |
2406 | if (target_can_async_p ()) |
2407 | { | |
2408 | /* sync_execution mode. Wait for stop. */ | |
bfec99b2 PA |
2409 | struct attach_command_continuation_args *a; |
2410 | ||
2411 | a = xmalloc (sizeof (*a)); | |
2412 | a->args = xstrdup (args); | |
2413 | a->from_tty = from_tty; | |
2414 | a->async_exec = async_exec; | |
e0ba6746 PA |
2415 | add_inferior_continuation (attach_command_continuation, a, |
2416 | attach_command_continuation_free_args); | |
cb0362bb | 2417 | discard_cleanups (back_to); |
dc177b7a PA |
2418 | return; |
2419 | } | |
c906108c | 2420 | |
dc177b7a PA |
2421 | wait_for_inferior (0); |
2422 | } | |
6426a772 | 2423 | |
9356cf8d | 2424 | attach_command_post_wait (args, from_tty, async_exec); |
cb0362bb | 2425 | discard_cleanups (back_to); |
c906108c SS |
2426 | } |
2427 | ||
1941c569 PA |
2428 | /* We had just found out that the target was already attached to an |
2429 | inferior. PTID points at a thread of this new inferior, that is | |
2430 | the most likely to be stopped right now, but not necessarily so. | |
2431 | The new inferior is assumed to be already added to the inferior | |
2432 | list at this point. If LEAVE_RUNNING, then leave the threads of | |
2433 | this inferior running, except those we've explicitly seen reported | |
2434 | as stopped. */ | |
2435 | ||
2436 | void | |
2437 | notice_new_inferior (ptid_t ptid, int leave_running, int from_tty) | |
2438 | { | |
2439 | struct cleanup* old_chain; | |
2440 | int async_exec; | |
2441 | ||
2442 | old_chain = make_cleanup (null_cleanup, NULL); | |
2443 | ||
2444 | /* If in non-stop, leave threads as running as they were. If | |
2445 | they're stopped for some reason other than us telling it to, the | |
2446 | target reports a signal != TARGET_SIGNAL_0. We don't try to | |
2447 | resume threads with such a stop signal. */ | |
2448 | async_exec = non_stop; | |
2449 | ||
2450 | if (!ptid_equal (inferior_ptid, null_ptid)) | |
2451 | make_cleanup_restore_current_thread (); | |
2452 | ||
2453 | switch_to_thread (ptid); | |
2454 | ||
2455 | /* When we "notice" a new inferior we need to do all the things we | |
2456 | would normally do if we had just attached to it. */ | |
2457 | ||
2458 | if (is_executing (inferior_ptid)) | |
2459 | { | |
2460 | struct inferior *inferior = current_inferior (); | |
2461 | ||
2462 | /* We're going to install breakpoints, and poke at memory, | |
2463 | ensure that the inferior is stopped for a moment while we do | |
2464 | that. */ | |
2465 | target_stop (inferior_ptid); | |
2466 | ||
2467 | inferior->stop_soon = STOP_QUIETLY_REMOTE; | |
2468 | ||
2469 | /* Wait for stop before proceeding. */ | |
2470 | if (target_can_async_p ()) | |
2471 | { | |
2472 | struct attach_command_continuation_args *a; | |
2473 | ||
2474 | a = xmalloc (sizeof (*a)); | |
2475 | a->args = xstrdup (""); | |
2476 | a->from_tty = from_tty; | |
2477 | a->async_exec = async_exec; | |
2478 | add_inferior_continuation (attach_command_continuation, a, | |
2479 | attach_command_continuation_free_args); | |
2480 | ||
2481 | do_cleanups (old_chain); | |
2482 | return; | |
2483 | } | |
2484 | else | |
2485 | wait_for_inferior (0); | |
2486 | } | |
2487 | ||
2488 | async_exec = leave_running; | |
2489 | attach_command_post_wait ("" /* args */, from_tty, async_exec); | |
2490 | ||
2491 | do_cleanups (old_chain); | |
2492 | } | |
2493 | ||
c906108c SS |
2494 | /* |
2495 | * detach_command -- | |
2496 | * takes a program previously attached to and detaches it. | |
2497 | * The program resumes execution and will no longer stop | |
2498 | * on signals, etc. We better not have left any breakpoints | |
2499 | * in the program or it'll die when it hits one. For this | |
2500 | * to work, it may be necessary for the process to have been | |
2501 | * previously attached. It *might* work if the program was | |
2502 | * started via the normal ptrace (PTRACE_TRACEME). | |
2503 | */ | |
2504 | ||
6418d433 | 2505 | void |
fba45db2 | 2506 | detach_command (char *args, int from_tty) |
c906108c | 2507 | { |
1f5d0fc9 | 2508 | dont_repeat (); /* Not for the faint of heart. */ |
d729566a PA |
2509 | |
2510 | if (ptid_equal (inferior_ptid, null_ptid)) | |
2511 | error (_("The program is not being run.")); | |
2512 | ||
d5551862 SS |
2513 | disconnect_or_stop_tracing (from_tty); |
2514 | ||
c906108c | 2515 | target_detach (args, from_tty); |
50c71eaf PA |
2516 | |
2517 | /* If the solist is global across inferiors, don't clear it when we | |
2518 | detach from a single inferior. */ | |
2519 | if (!gdbarch_has_global_solist (target_gdbarch)) | |
2520 | no_shared_libraries (NULL, from_tty); | |
8a305172 | 2521 | |
c35b1492 PA |
2522 | /* If we still have inferiors to debug, then don't mess with their |
2523 | threads. */ | |
2524 | if (!have_inferiors ()) | |
8a305172 PA |
2525 | init_thread_list (); |
2526 | ||
9a4105ab AC |
2527 | if (deprecated_detach_hook) |
2528 | deprecated_detach_hook (); | |
c906108c SS |
2529 | } |
2530 | ||
6ad8ae5c DJ |
2531 | /* Disconnect from the current target without resuming it (leaving it |
2532 | waiting for a debugger). | |
2533 | ||
2534 | We'd better not have left any breakpoints in the program or the | |
2535 | next debugger will get confused. Currently only supported for some | |
2536 | remote targets, since the normal attach mechanisms don't work on | |
2537 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
2538 | ||
2539 | static void | |
2540 | disconnect_command (char *args, int from_tty) | |
2541 | { | |
2542 | dont_repeat (); /* Not for the faint of heart */ | |
2543 | target_disconnect (args, from_tty); | |
e85a822c | 2544 | no_shared_libraries (NULL, from_tty); |
a0ef4274 | 2545 | init_thread_list (); |
9a4105ab AC |
2546 | if (deprecated_detach_hook) |
2547 | deprecated_detach_hook (); | |
6ad8ae5c DJ |
2548 | } |
2549 | ||
77ebaa5a VP |
2550 | void |
2551 | interrupt_target_1 (int all_threads) | |
2552 | { | |
2553 | ptid_t ptid; | |
2554 | if (all_threads) | |
2555 | ptid = minus_one_ptid; | |
2556 | else | |
2557 | ptid = inferior_ptid; | |
2558 | target_stop (ptid); | |
252fbfc8 PA |
2559 | |
2560 | /* Tag the thread as having been explicitly requested to stop, so | |
2561 | other parts of gdb know not to resume this thread automatically, | |
2562 | if it was stopped due to an internal event. Limit this to | |
2563 | non-stop mode, as when debugging a multi-threaded application in | |
2564 | all-stop mode, we will only get one stop event --- it's undefined | |
2565 | which thread will report the event. */ | |
2566 | if (non_stop) | |
2567 | set_stop_requested (ptid, 1); | |
77ebaa5a VP |
2568 | } |
2569 | ||
43ff13b4 | 2570 | /* Stop the execution of the target while running in async mode, in |
8cae4b3f PA |
2571 | the backgound. In all-stop, stop the whole process. In non-stop |
2572 | mode, stop the current thread only by default, or stop all threads | |
2573 | if the `-a' switch is used. */ | |
2574 | ||
2575 | /* interrupt [-a] */ | |
8b93c638 | 2576 | void |
fba45db2 | 2577 | interrupt_target_command (char *args, int from_tty) |
43ff13b4 | 2578 | { |
362646f5 | 2579 | if (target_can_async_p ()) |
43ff13b4 | 2580 | { |
8cae4b3f PA |
2581 | int all_threads = 0; |
2582 | ||
c5aa993b | 2583 | dont_repeat (); /* Not for the faint of heart */ |
94cc34af | 2584 | |
8cae4b3f PA |
2585 | if (args != NULL |
2586 | && strncmp (args, "-a", sizeof ("-a") - 1) == 0) | |
2587 | all_threads = 1; | |
2588 | ||
2589 | if (!non_stop && all_threads) | |
2590 | error (_("-a is meaningless in all-stop mode.")); | |
2591 | ||
77ebaa5a | 2592 | interrupt_target_1 (all_threads); |
43ff13b4 JM |
2593 | } |
2594 | } | |
2595 | ||
c906108c | 2596 | static void |
d80b854b | 2597 | print_float_info (struct ui_file *file, |
23e3a7ac | 2598 | struct frame_info *frame, const char *args) |
c906108c | 2599 | { |
d80b854b UW |
2600 | struct gdbarch *gdbarch = get_frame_arch (frame); |
2601 | ||
23e3a7ac AC |
2602 | if (gdbarch_print_float_info_p (gdbarch)) |
2603 | gdbarch_print_float_info (gdbarch, file, frame, args); | |
2604 | else | |
2605 | { | |
23e3a7ac AC |
2606 | int regnum; |
2607 | int printed_something = 0; | |
ab4327e0 | 2608 | |
f57d151a | 2609 | for (regnum = 0; |
a4bd449d UW |
2610 | regnum < gdbarch_num_regs (gdbarch) |
2611 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2612 | regnum++) |
23e3a7ac | 2613 | { |
f9418c0f | 2614 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac AC |
2615 | { |
2616 | printed_something = 1; | |
23e3a7ac | 2617 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
23e3a7ac AC |
2618 | } |
2619 | } | |
2620 | if (!printed_something) | |
2621 | fprintf_filtered (file, "\ | |
2622 | No floating-point info available for this processor.\n"); | |
23e3a7ac AC |
2623 | } |
2624 | } | |
2625 | ||
2626 | static void | |
2627 | float_info (char *args, int from_tty) | |
2628 | { | |
206415a3 DJ |
2629 | if (!target_has_registers) |
2630 | error (_("The program has no registers now.")); | |
2631 | ||
d80b854b | 2632 | print_float_info (gdb_stdout, get_selected_frame (NULL), args); |
c906108c SS |
2633 | } |
2634 | \f | |
c906108c | 2635 | static void |
fba45db2 | 2636 | unset_command (char *args, int from_tty) |
c906108c | 2637 | { |
a3f17187 AC |
2638 | printf_filtered (_("\ |
2639 | \"unset\" must be followed by the name of an unset subcommand.\n")); | |
c906108c SS |
2640 | help_list (unsetlist, "unset ", -1, gdb_stdout); |
2641 | } | |
2642 | ||
2643 | void | |
fba45db2 | 2644 | _initialize_infcmd (void) |
c906108c | 2645 | { |
3cb3b8df BR |
2646 | struct cmd_list_element *c = NULL; |
2647 | ||
2648 | /* add the filename of the terminal connected to inferior I/O */ | |
2649 | add_setshow_filename_cmd ("inferior-tty", class_run, | |
3f81c18a | 2650 | &inferior_io_terminal_scratch, _("\ |
3cb3b8df BR |
2651 | Set terminal for future runs of program being debugged."), _("\ |
2652 | Show terminal for future runs of program being debugged."), _("\ | |
3f81c18a VP |
2653 | Usage: set inferior-tty /dev/pts/1"), |
2654 | set_inferior_tty_command, | |
2655 | show_inferior_tty_command, | |
2656 | &setlist, &showlist); | |
3cb3b8df | 2657 | add_com_alias ("tty", "set inferior-tty", class_alias, 0); |
c906108c | 2658 | |
b4b4ac0b | 2659 | add_setshow_optional_filename_cmd ("args", class_run, |
3f81c18a | 2660 | &inferior_args_scratch, _("\ |
b4b4ac0b AC |
2661 | Set argument list to give program being debugged when it is started."), _("\ |
2662 | Show argument list to give program being debugged when it is started."), _("\ | |
2663 | Follow this command with any number of args, to be passed to the program."), | |
3f81c18a VP |
2664 | set_args_command, |
2665 | show_args_command, | |
b4b4ac0b | 2666 | &setlist, &showlist); |
c906108c | 2667 | |
1a966eab AC |
2668 | c = add_cmd ("environment", no_class, environment_info, _("\ |
2669 | The environment to give the program, or one variable's value.\n\ | |
c906108c SS |
2670 | With an argument VAR, prints the value of environment variable VAR to\n\ |
2671 | give the program being debugged. With no arguments, prints the entire\n\ | |
1a966eab | 2672 | environment to be given to the program."), &showlist); |
5ba2abeb | 2673 | set_cmd_completer (c, noop_completer); |
c906108c SS |
2674 | |
2675 | add_prefix_cmd ("unset", no_class, unset_command, | |
1bedd215 | 2676 | _("Complement to certain \"set\" commands."), |
c906108c | 2677 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 2678 | |
1a966eab AC |
2679 | c = add_cmd ("environment", class_run, unset_environment_command, _("\ |
2680 | Cancel environment variable VAR for the program.\n\ | |
2681 | This does not affect the program until the next \"run\" command."), | |
c5aa993b | 2682 | &unsetlist); |
5ba2abeb | 2683 | set_cmd_completer (c, noop_completer); |
c906108c | 2684 | |
1a966eab AC |
2685 | c = add_cmd ("environment", class_run, set_environment_command, _("\ |
2686 | Set environment variable value to give the program.\n\ | |
c906108c SS |
2687 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ |
2688 | VALUES of environment variables are uninterpreted strings.\n\ | |
1a966eab | 2689 | This does not affect the program until the next \"run\" command."), |
c5aa993b | 2690 | &setlist); |
5ba2abeb | 2691 | set_cmd_completer (c, noop_completer); |
c5aa993b | 2692 | |
1bedd215 AC |
2693 | c = add_com ("path", class_files, path_command, _("\ |
2694 | Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
2695 | $cwd in the path means the current working directory.\n\ |
2696 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2697 | directories, separated by colons. These directories are searched to find\n\ | |
1bedd215 | 2698 | fully linked executable files and separately compiled object files as needed.")); |
5ba2abeb | 2699 | set_cmd_completer (c, filename_completer); |
c906108c | 2700 | |
1a966eab AC |
2701 | c = add_cmd ("paths", no_class, path_info, _("\ |
2702 | Current search path for finding object files.\n\ | |
c906108c SS |
2703 | $cwd in the path means the current working directory.\n\ |
2704 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2705 | directories, separated by colons. These directories are searched to find\n\ | |
1a966eab | 2706 | fully linked executable files and separately compiled object files as needed."), |
c906108c | 2707 | &showlist); |
5ba2abeb | 2708 | set_cmd_completer (c, noop_completer); |
c906108c | 2709 | |
2277426b PA |
2710 | add_prefix_cmd ("kill", class_run, kill_command, |
2711 | _("Kill execution of program being debugged."), | |
2712 | &killlist, "kill ", 0, &cmdlist); | |
5fd62852 | 2713 | |
1bedd215 AC |
2714 | add_com ("attach", class_run, attach_command, _("\ |
2715 | Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
2716 | This command attaches to another target, of the same type as your last\n\ |
2717 | \"target\" command (\"info files\" will show your target stack).\n\ | |
2718 | The command may take as argument a process id or a device file.\n\ | |
2719 | For a process id, you must have permission to send the process a signal,\n\ | |
2720 | and it must have the same effective uid as the debugger.\n\ | |
2721 | When using \"attach\" with a process id, the debugger finds the\n\ | |
2722 | program running in the process, looking first in the current working\n\ | |
2723 | directory, or (if not found there) using the source file search path\n\ | |
2724 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
1bedd215 | 2725 | to specify the program, and to load its symbol table.")); |
c906108c | 2726 | |
f73adfeb | 2727 | add_prefix_cmd ("detach", class_run, detach_command, _("\ |
1bedd215 | 2728 | Detach a process or file previously attached.\n\ |
c906108c | 2729 | If a process, it is no longer traced, and it continues its execution. If\n\ |
f73adfeb AS |
2730 | you were debugging a file, the file is closed and gdb no longer accesses it."), |
2731 | &detachlist, "detach ", 0, &cmdlist); | |
c906108c | 2732 | |
1bedd215 AC |
2733 | add_com ("disconnect", class_run, disconnect_command, _("\ |
2734 | Disconnect from a target.\n\ | |
6ad8ae5c | 2735 | The target will wait for another debugger to connect. Not available for\n\ |
1bedd215 | 2736 | all targets.")); |
6ad8ae5c | 2737 | |
1bedd215 AC |
2738 | add_com ("signal", class_run, signal_command, _("\ |
2739 | Continue program giving it signal specified by the argument.\n\ | |
2740 | An argument of \"0\" means continue program without giving it a signal.")); | |
c906108c | 2741 | |
1bedd215 AC |
2742 | add_com ("stepi", class_run, stepi_command, _("\ |
2743 | Step one instruction exactly.\n\ | |
2744 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2745 | add_com_alias ("si", "stepi", class_alias, 0); |
2746 | ||
1bedd215 AC |
2747 | add_com ("nexti", class_run, nexti_command, _("\ |
2748 | Step one instruction, but proceed through subroutine calls.\n\ | |
2749 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2750 | add_com_alias ("ni", "nexti", class_alias, 0); |
2751 | ||
1bedd215 AC |
2752 | add_com ("finish", class_run, finish_command, _("\ |
2753 | Execute until selected stack frame returns.\n\ | |
2754 | Upon return, the value returned is printed and put in the value history.")); | |
0e479716 | 2755 | add_com_alias ("fin", "finish", class_run, 1); |
c906108c | 2756 | |
1bedd215 AC |
2757 | add_com ("next", class_run, next_command, _("\ |
2758 | Step program, proceeding through subroutine calls.\n\ | |
c906108c SS |
2759 | Like the \"step\" command as long as subroutine calls do not happen;\n\ |
2760 | when they do, the call is treated as one instruction.\n\ | |
1bedd215 | 2761 | Argument N means do this N times (or till program stops for another reason).")); |
c906108c SS |
2762 | add_com_alias ("n", "next", class_run, 1); |
2763 | if (xdb_commands) | |
c5aa993b | 2764 | add_com_alias ("S", "next", class_run, 1); |
c906108c | 2765 | |
1bedd215 AC |
2766 | add_com ("step", class_run, step_command, _("\ |
2767 | Step program until it reaches a different source line.\n\ | |
2768 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2769 | add_com_alias ("s", "step", class_run, 1); |
2770 | ||
1bedd215 AC |
2771 | c = add_com ("until", class_run, until_command, _("\ |
2772 | Execute until the program reaches a source line greater than the current\n\ | |
2773 | or a specified location (same args as break command) within the current frame.")); | |
5ba2abeb | 2774 | set_cmd_completer (c, location_completer); |
c906108c | 2775 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 2776 | |
1bedd215 AC |
2777 | c = add_com ("advance", class_run, advance_command, _("\ |
2778 | Continue the program up to the given location (same form as args for break command).\n\ | |
2779 | Execution will also stop upon exit from the current stack frame.")); | |
ae66c1fc EZ |
2780 | set_cmd_completer (c, location_completer); |
2781 | ||
1bedd215 AC |
2782 | c = add_com ("jump", class_run, jump_command, _("\ |
2783 | Continue program being debugged at specified line or address.\n\ | |
c906108c | 2784 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
1bedd215 | 2785 | for an address to start at.")); |
5ba2abeb | 2786 | set_cmd_completer (c, location_completer); |
c906108c | 2787 | |
b83266a0 | 2788 | if (xdb_commands) |
c94fdfd0 | 2789 | { |
1bedd215 AC |
2790 | c = add_com ("go", class_run, go_command, _("\ |
2791 | Usage: go <location>\n\ | |
c906108c SS |
2792 | Continue program being debugged, stopping at specified line or \n\ |
2793 | address.\n\ | |
2794 | Give as argument either LINENUM or *ADDR, where ADDR is an \n\ | |
2795 | expression for an address to start at.\n\ | |
1bedd215 | 2796 | This command is a combination of tbreak and jump.")); |
5ba2abeb | 2797 | set_cmd_completer (c, location_completer); |
c94fdfd0 | 2798 | } |
b83266a0 | 2799 | |
c906108c | 2800 | if (xdb_commands) |
c5aa993b | 2801 | add_com_alias ("g", "go", class_run, 1); |
c906108c | 2802 | |
8cae4b3f | 2803 | c = add_com ("continue", class_run, continue_command, _("\ |
1bedd215 | 2804 | Continue program being debugged, after signal or breakpoint.\n\ |
c906108c SS |
2805 | If proceeding from breakpoint, a number N may be used as an argument,\n\ |
2806 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
8cae4b3f PA |
2807 | the breakpoint won't break until the Nth time it is reached).\n\ |
2808 | \n\ | |
2809 | If non-stop mode is enabled, continue only the current thread,\n\ | |
2810 | otherwise all the threads in the program are continued. To \n\ | |
2811 | continue all stopped threads in non-stop mode, use the -a option.\n\ | |
2812 | Specifying -a and an ignore count simultaneously is an error.")); | |
c906108c SS |
2813 | add_com_alias ("c", "cont", class_run, 1); |
2814 | add_com_alias ("fg", "cont", class_run, 1); | |
2815 | ||
1bedd215 AC |
2816 | c = add_com ("run", class_run, run_command, _("\ |
2817 | Start debugged program. You may specify arguments to give it.\n\ | |
c906108c SS |
2818 | Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\ |
2819 | Input and output redirection with \">\", \"<\", or \">>\" are also allowed.\n\n\ | |
2820 | With no arguments, uses arguments last specified (with \"run\" or \"set args\").\n\ | |
2821 | To cancel previous arguments and run with no arguments,\n\ | |
1bedd215 | 2822 | use \"set args\" without arguments.")); |
5ba2abeb | 2823 | set_cmd_completer (c, filename_completer); |
c906108c SS |
2824 | add_com_alias ("r", "run", class_run, 1); |
2825 | if (xdb_commands) | |
2826 | add_com ("R", class_run, run_no_args_command, | |
1bedd215 | 2827 | _("Start debugged program with no arguments.")); |
c906108c | 2828 | |
1bedd215 | 2829 | c = add_com ("start", class_run, start_command, _("\ |
a4d5f2e0 JB |
2830 | Run the debugged program until the beginning of the main procedure.\n\ |
2831 | You may specify arguments to give to your program, just as with the\n\ | |
1bedd215 | 2832 | \"run\" command.")); |
a4d5f2e0 JB |
2833 | set_cmd_completer (c, filename_completer); |
2834 | ||
700b53b1 | 2835 | c = add_com ("interrupt", class_run, interrupt_target_command, |
8cae4b3f PA |
2836 | _("Interrupt the execution of the debugged program.\n\ |
2837 | If non-stop mode is enabled, interrupt only the current thread,\n\ | |
2838 | otherwise all the threads in the program are stopped. To \n\ | |
2839 | interrupt all running threads in non-stop mode, use the -a option.")); | |
43ff13b4 | 2840 | |
1bedd215 AC |
2841 | add_info ("registers", nofp_registers_info, _("\ |
2842 | List of integer registers and their contents, for selected stack frame.\n\ | |
2843 | Register name as argument means describe only that register.")); | |
7194c49b | 2844 | add_info_alias ("r", "registers", 1); |
c906108c SS |
2845 | |
2846 | if (xdb_commands) | |
1bedd215 AC |
2847 | add_com ("lr", class_info, nofp_registers_info, _("\ |
2848 | List of integer registers and their contents, for selected stack frame.\n\ | |
2849 | Register name as argument means describe only that register.")); | |
2850 | add_info ("all-registers", all_registers_info, _("\ | |
2851 | List of all registers and their contents, for selected stack frame.\n\ | |
2852 | Register name as argument means describe only that register.")); | |
c906108c SS |
2853 | |
2854 | add_info ("program", program_info, | |
1bedd215 | 2855 | _("Execution status of the program.")); |
c906108c SS |
2856 | |
2857 | add_info ("float", float_info, | |
1bedd215 | 2858 | _("Print the status of the floating point unit\n")); |
c906108c | 2859 | |
e76f1f2e | 2860 | add_info ("vector", vector_info, |
1bedd215 | 2861 | _("Print the status of the vector unit\n")); |
c906108c | 2862 | } |