Commit | Line | Data |
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c906108c | 1 | /* Memory-access and commands for "inferior" process, for GDB. |
990a07ab | 2 | |
0b302171 | 3 | Copyright (C) 1986-2012 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
5af949e3 | 21 | #include "arch-utils.h" |
c906108c SS |
22 | #include <signal.h> |
23 | #include "gdb_string.h" | |
24 | #include "symtab.h" | |
25 | #include "gdbtypes.h" | |
26 | #include "frame.h" | |
27 | #include "inferior.h" | |
28 | #include "environ.h" | |
29 | #include "value.h" | |
30 | #include "gdbcmd.h" | |
1adeb98a | 31 | #include "symfile.h" |
c906108c SS |
32 | #include "gdbcore.h" |
33 | #include "target.h" | |
34 | #include "language.h" | |
35 | #include "symfile.h" | |
36 | #include "objfiles.h" | |
c94fdfd0 | 37 | #include "completer.h" |
8b93c638 | 38 | #include "ui-out.h" |
6426a772 | 39 | #include "event-top.h" |
96baa820 | 40 | #include "parser-defs.h" |
36160dc4 | 41 | #include "regcache.h" |
f9418c0f | 42 | #include "reggroups.h" |
fe898f56 | 43 | #include "block.h" |
a77053c2 | 44 | #include "solib.h" |
f9418c0f | 45 | #include <ctype.h> |
92ad9cd9 | 46 | #include "gdb_assert.h" |
281b533b | 47 | #include "observer.h" |
424163ea | 48 | #include "target-descriptions.h" |
ad842144 | 49 | #include "user-regs.h" |
32c1e744 | 50 | #include "exceptions.h" |
700b53b1 | 51 | #include "cli/cli-decode.h" |
a0ef4274 | 52 | #include "gdbthread.h" |
79a45b7d | 53 | #include "valprint.h" |
edb3359d | 54 | #include "inline-frame.h" |
573cda03 | 55 | #include "tracepoint.h" |
09cee04b | 56 | #include "inf-loop.h" |
be34f849 | 57 | #include "continuations.h" |
f8eba3c6 | 58 | #include "linespec.h" |
d5551862 | 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 | ||
6a3a010b | 78 | static void print_return_value (struct value *function, |
c055b101 | 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 *); |
3e43a32a MS |
110 | static void step_once (int skip_subroutines, int single_inst, |
111 | int count, int thread); | |
c906108c | 112 | |
a14ed312 | 113 | static void next_command (char *, int); |
c906108c | 114 | |
a14ed312 | 115 | static void step_command (char *, int); |
c906108c | 116 | |
a14ed312 | 117 | static void run_command (char *, int); |
c906108c | 118 | |
a14ed312 | 119 | static void run_no_args_command (char *args, int from_tty); |
392a587b | 120 | |
a14ed312 | 121 | static void go_command (char *line_no, int from_tty); |
392a587b | 122 | |
a14ed312 | 123 | static int strip_bg_char (char **); |
43ff13b4 | 124 | |
a14ed312 | 125 | void _initialize_infcmd (void); |
c906108c | 126 | |
c906108c | 127 | #define ERROR_NO_INFERIOR \ |
8a3fe4f8 | 128 | if (!target_has_execution) error (_("The program is not being run.")); |
c906108c | 129 | |
3e43a32a MS |
130 | /* Scratch area where string containing arguments to give to the |
131 | program will be stored by 'set args'. As soon as anything is | |
132 | stored, notice_args_set will move it into per-inferior storage. | |
1777feb0 | 133 | Arguments are separated by spaces. Empty string (pointer to '\0') |
3e43a32a | 134 | means no args. */ |
c906108c | 135 | |
3f81c18a | 136 | static char *inferior_args_scratch; |
c906108c | 137 | |
3f81c18a VP |
138 | /* Scratch area where 'set inferior-tty' will store user-provided value. |
139 | We'll immediate copy it into per-inferior storage. */ | |
552c04a7 | 140 | |
3f81c18a | 141 | static char *inferior_io_terminal_scratch; |
c906108c SS |
142 | |
143 | /* Pid of our debugged inferior, or 0 if no inferior now. | |
144 | Since various parts of infrun.c test this to see whether there is a program | |
145 | being debugged it should be nonzero (currently 3 is used) for remote | |
146 | debugging. */ | |
147 | ||
39f77062 | 148 | ptid_t inferior_ptid; |
c906108c | 149 | |
c906108c SS |
150 | /* Address at which inferior stopped. */ |
151 | ||
152 | CORE_ADDR stop_pc; | |
153 | ||
c906108c SS |
154 | /* Flag indicating that a command has proceeded the inferior past the |
155 | current breakpoint. */ | |
156 | ||
157 | int breakpoint_proceeded; | |
158 | ||
c906108c SS |
159 | /* Nonzero if stopped due to completion of a stack dummy routine. */ |
160 | ||
aa7d318d | 161 | enum stop_stack_kind stop_stack_dummy; |
c906108c SS |
162 | |
163 | /* Nonzero if stopped due to a random (unexpected) signal in inferior | |
164 | process. */ | |
165 | ||
166 | int stopped_by_random_signal; | |
167 | ||
c906108c | 168 | \f |
1777feb0 | 169 | /* Accessor routines. */ |
07091751 | 170 | |
3f81c18a VP |
171 | /* Set the io terminal for the current inferior. Ownership of |
172 | TERMINAL_NAME is not transferred. */ | |
173 | ||
3cb3b8df BR |
174 | void |
175 | set_inferior_io_terminal (const char *terminal_name) | |
176 | { | |
3f81c18a VP |
177 | xfree (current_inferior ()->terminal); |
178 | current_inferior ()->terminal = terminal_name ? xstrdup (terminal_name) : 0; | |
3cb3b8df BR |
179 | } |
180 | ||
181 | const char * | |
182 | get_inferior_io_terminal (void) | |
183 | { | |
3f81c18a VP |
184 | return current_inferior ()->terminal; |
185 | } | |
186 | ||
187 | static void | |
188 | set_inferior_tty_command (char *args, int from_tty, | |
189 | struct cmd_list_element *c) | |
190 | { | |
191 | /* CLI has assigned the user-provided value to inferior_io_terminal_scratch. | |
192 | Now route it to current inferior. */ | |
193 | set_inferior_io_terminal (inferior_io_terminal_scratch); | |
194 | } | |
195 | ||
196 | static void | |
197 | show_inferior_tty_command (struct ui_file *file, int from_tty, | |
198 | struct cmd_list_element *c, const char *value) | |
199 | { | |
200 | /* Note that we ignore the passed-in value in favor of computing it | |
201 | directly. */ | |
275f2e57 | 202 | const char *inferior_io_terminal = get_inferior_io_terminal (); |
abbb1732 | 203 | |
275f2e57 DJ |
204 | if (inferior_io_terminal == NULL) |
205 | inferior_io_terminal = ""; | |
3f81c18a | 206 | fprintf_filtered (gdb_stdout, |
275f2e57 DJ |
207 | _("Terminal for future runs of program being debugged " |
208 | "is \"%s\".\n"), inferior_io_terminal); | |
3cb3b8df BR |
209 | } |
210 | ||
07091751 FN |
211 | char * |
212 | get_inferior_args (void) | |
213 | { | |
3f81c18a | 214 | if (current_inferior ()->argc != 0) |
552c04a7 | 215 | { |
3f81c18a | 216 | char *n; |
552c04a7 | 217 | |
3f81c18a VP |
218 | n = construct_inferior_arguments (current_inferior ()->argc, |
219 | current_inferior ()->argv); | |
220 | set_inferior_args (n); | |
221 | xfree (n); | |
552c04a7 TT |
222 | } |
223 | ||
3f81c18a VP |
224 | if (current_inferior ()->args == NULL) |
225 | current_inferior ()->args = xstrdup (""); | |
552c04a7 | 226 | |
3f81c18a | 227 | return current_inferior ()->args; |
07091751 FN |
228 | } |
229 | ||
3f81c18a VP |
230 | /* Set the arguments for the current inferior. Ownership of |
231 | NEWARGS is not transferred. */ | |
232 | ||
233 | void | |
07091751 FN |
234 | set_inferior_args (char *newargs) |
235 | { | |
3f81c18a VP |
236 | xfree (current_inferior ()->args); |
237 | current_inferior ()->args = newargs ? xstrdup (newargs) : NULL; | |
238 | current_inferior ()->argc = 0; | |
239 | current_inferior ()->argv = 0; | |
07091751 | 240 | } |
c5aa993b | 241 | |
552c04a7 TT |
242 | void |
243 | set_inferior_args_vector (int argc, char **argv) | |
244 | { | |
3f81c18a VP |
245 | current_inferior ()->argc = argc; |
246 | current_inferior ()->argv = argv; | |
552c04a7 TT |
247 | } |
248 | ||
249 | /* Notice when `set args' is run. */ | |
250 | static void | |
3f81c18a | 251 | set_args_command (char *args, int from_tty, struct cmd_list_element *c) |
552c04a7 | 252 | { |
3f81c18a VP |
253 | /* CLI has assigned the user-provided value to inferior_args_scratch. |
254 | Now route it to current inferior. */ | |
255 | set_inferior_args (inferior_args_scratch); | |
552c04a7 TT |
256 | } |
257 | ||
258 | /* Notice when `show args' is run. */ | |
259 | static void | |
3f81c18a VP |
260 | show_args_command (struct ui_file *file, int from_tty, |
261 | struct cmd_list_element *c, const char *value) | |
552c04a7 | 262 | { |
258c00cc TT |
263 | /* Note that we ignore the passed-in value in favor of computing it |
264 | directly. */ | |
265 | deprecated_show_value_hack (file, from_tty, c, get_inferior_args ()); | |
552c04a7 TT |
266 | } |
267 | ||
c2a727fa TT |
268 | \f |
269 | /* Compute command-line string given argument vector. This does the | |
270 | same shell processing as fork_inferior. */ | |
c2a727fa | 271 | char * |
bd57a748 | 272 | construct_inferior_arguments (int argc, char **argv) |
c2a727fa TT |
273 | { |
274 | char *result; | |
275 | ||
276 | if (STARTUP_WITH_SHELL) | |
277 | { | |
278 | /* This holds all the characters considered special to the | |
279 | typical Unix shells. We include `^' because the SunOS | |
280 | /bin/sh treats it as a synonym for `|'. */ | |
281 | char *special = "\"!#$&*()\\|[]{}<>?'\"`~^; \t\n"; | |
282 | int i; | |
283 | int length = 0; | |
284 | char *out, *cp; | |
285 | ||
286 | /* We over-compute the size. It shouldn't matter. */ | |
287 | for (i = 0; i < argc; ++i) | |
c2226152 | 288 | length += 3 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0'); |
c2a727fa TT |
289 | |
290 | result = (char *) xmalloc (length); | |
291 | out = result; | |
292 | ||
293 | for (i = 0; i < argc; ++i) | |
294 | { | |
295 | if (i > 0) | |
296 | *out++ = ' '; | |
297 | ||
03c6228e AS |
298 | /* Need to handle empty arguments specially. */ |
299 | if (argv[i][0] == '\0') | |
c2a727fa | 300 | { |
03c6228e AS |
301 | *out++ = '\''; |
302 | *out++ = '\''; | |
303 | } | |
304 | else | |
305 | { | |
306 | for (cp = argv[i]; *cp; ++cp) | |
307 | { | |
c2226152 AS |
308 | if (*cp == '\n') |
309 | { | |
310 | /* A newline cannot be quoted with a backslash (it | |
311 | just disappears), only by putting it inside | |
312 | quotes. */ | |
313 | *out++ = '\''; | |
314 | *out++ = '\n'; | |
315 | *out++ = '\''; | |
316 | } | |
317 | else | |
318 | { | |
319 | if (strchr (special, *cp) != NULL) | |
320 | *out++ = '\\'; | |
321 | *out++ = *cp; | |
322 | } | |
03c6228e | 323 | } |
c2a727fa TT |
324 | } |
325 | } | |
326 | *out = '\0'; | |
327 | } | |
328 | else | |
329 | { | |
330 | /* In this case we can't handle arguments that contain spaces, | |
331 | tabs, or newlines -- see breakup_args(). */ | |
332 | int i; | |
333 | int length = 0; | |
334 | ||
335 | for (i = 0; i < argc; ++i) | |
336 | { | |
337 | char *cp = strchr (argv[i], ' '); | |
338 | if (cp == NULL) | |
339 | cp = strchr (argv[i], '\t'); | |
340 | if (cp == NULL) | |
341 | cp = strchr (argv[i], '\n'); | |
342 | if (cp != NULL) | |
3e43a32a MS |
343 | error (_("can't handle command-line " |
344 | "argument containing whitespace")); | |
c2a727fa TT |
345 | length += strlen (argv[i]) + 1; |
346 | } | |
347 | ||
348 | result = (char *) xmalloc (length); | |
349 | result[0] = '\0'; | |
350 | for (i = 0; i < argc; ++i) | |
351 | { | |
352 | if (i > 0) | |
353 | strcat (result, " "); | |
354 | strcat (result, argv[i]); | |
355 | } | |
356 | } | |
357 | ||
358 | return result; | |
359 | } | |
552c04a7 TT |
360 | \f |
361 | ||
43ff13b4 JM |
362 | /* This function detects whether or not a '&' character (indicating |
363 | background execution) has been added as *the last* of the arguments ARGS | |
1777feb0 MS |
364 | of a command. If it has, it removes it and returns 1. Otherwise it |
365 | does nothing and returns 0. */ | |
c5aa993b | 366 | static int |
fba45db2 | 367 | strip_bg_char (char **args) |
43ff13b4 JM |
368 | { |
369 | char *p = NULL; | |
c5aa993b | 370 | |
9846de1b | 371 | p = strchr (*args, '&'); |
c5aa993b | 372 | |
9846de1b | 373 | if (p) |
43ff13b4 JM |
374 | { |
375 | if (p == (*args + strlen (*args) - 1)) | |
376 | { | |
c5aa993b | 377 | if (strlen (*args) > 1) |
43ff13b4 JM |
378 | { |
379 | do | |
380 | p--; | |
381 | while (*p == ' ' || *p == '\t'); | |
382 | *(p + 1) = '\0'; | |
383 | } | |
384 | else | |
385 | *args = 0; | |
386 | return 1; | |
387 | } | |
388 | } | |
389 | return 0; | |
390 | } | |
391 | ||
281b533b DJ |
392 | /* Common actions to take after creating any sort of inferior, by any |
393 | means (running, attaching, connecting, et cetera). The target | |
394 | should be stopped. */ | |
395 | ||
396 | void | |
397 | post_create_inferior (struct target_ops *target, int from_tty) | |
398 | { | |
ce406537 PA |
399 | volatile struct gdb_exception ex; |
400 | ||
b79599ff DP |
401 | /* Be sure we own the terminal in case write operations are performed. */ |
402 | target_terminal_ours (); | |
403 | ||
424163ea DJ |
404 | /* If the target hasn't taken care of this already, do it now. |
405 | Targets which need to access registers during to_open, | |
406 | to_create_inferior, or to_attach should do it earlier; but many | |
407 | don't need to. */ | |
408 | target_find_description (); | |
409 | ||
ce406537 PA |
410 | /* Now that we know the register layout, retrieve current PC. But |
411 | if the PC is unavailable (e.g., we're opening a core file with | |
412 | missing registers info), ignore it. */ | |
413 | stop_pc = 0; | |
414 | TRY_CATCH (ex, RETURN_MASK_ERROR) | |
415 | { | |
416 | stop_pc = regcache_read_pc (get_current_regcache ()); | |
417 | } | |
418 | if (ex.reason < 0 && ex.error != NOT_AVAILABLE_ERROR) | |
419 | throw_exception (ex); | |
f698437e | 420 | |
50c71eaf PA |
421 | if (exec_bfd) |
422 | { | |
2eff07b3 PP |
423 | const unsigned solib_add_generation |
424 | = current_program_space->solib_add_generation; | |
425 | ||
9353355f DJ |
426 | /* Create the hooks to handle shared library load and unload |
427 | events. */ | |
428 | #ifdef SOLIB_CREATE_INFERIOR_HOOK | |
37706b70 | 429 | SOLIB_CREATE_INFERIOR_HOOK (PIDGET (inferior_ptid)); |
9353355f | 430 | #else |
268a4a75 JK |
431 | solib_create_inferior_hook (from_tty); |
432 | #endif | |
268a4a75 | 433 | |
2eff07b3 PP |
434 | if (current_program_space->solib_add_generation == solib_add_generation) |
435 | { | |
436 | /* The platform-specific hook should load initial shared libraries, | |
437 | but didn't. FROM_TTY will be incorrectly 0 but such solib | |
438 | targets should be fixed anyway. Call it only after the solib | |
439 | target has been initialized by solib_create_inferior_hook. */ | |
440 | ||
441 | if (info_verbose) | |
442 | warning (_("platform-specific solib_create_inferior_hook did " | |
443 | "not load initial shared libraries.")); | |
444 | ||
445 | /* If the solist is global across processes, there's no need to | |
446 | refetch it here. */ | |
447 | if (!gdbarch_has_global_solist (target_gdbarch)) | |
448 | { | |
268a4a75 | 449 | #ifdef SOLIB_ADD |
2eff07b3 | 450 | SOLIB_ADD (NULL, 0, target, auto_solib_add); |
268a4a75 | 451 | #else |
2eff07b3 | 452 | solib_add (NULL, 0, target, auto_solib_add); |
9353355f | 453 | #endif |
2eff07b3 PP |
454 | } |
455 | } | |
9353355f DJ |
456 | } |
457 | ||
ea5d7a99 PM |
458 | /* If the user sets watchpoints before execution having started, |
459 | then she gets software watchpoints, because GDB can't know which | |
460 | target will end up being pushed, or if it supports hardware | |
461 | watchpoints or not. breakpoint_re_set takes care of promoting | |
462 | watchpoints to hardware watchpoints if possible, however, if this | |
463 | new inferior doesn't load shared libraries or we don't pull in | |
464 | symbols from any other source on this target/arch, | |
465 | breakpoint_re_set is never called. Call it now so that software | |
466 | watchpoints get a chance to be promoted to hardware watchpoints | |
467 | if the now pushed target supports hardware watchpoints. */ | |
468 | breakpoint_re_set (); | |
469 | ||
281b533b DJ |
470 | observer_notify_inferior_created (target, from_tty); |
471 | } | |
472 | ||
a4d5f2e0 JB |
473 | /* Kill the inferior if already running. This function is designed |
474 | to be called when we are about to start the execution of the program | |
475 | from the beginning. Ask the user to confirm that he wants to restart | |
476 | the program being debugged when FROM_TTY is non-null. */ | |
c906108c | 477 | |
8edfe269 | 478 | static void |
a4d5f2e0 JB |
479 | kill_if_already_running (int from_tty) |
480 | { | |
39f77062 | 481 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 482 | { |
8edfe269 DJ |
483 | /* Bail out before killing the program if we will not be able to |
484 | restart it. */ | |
485 | target_require_runnable (); | |
486 | ||
adf40b2e | 487 | if (from_tty |
9e2f0ad4 HZ |
488 | && !query (_("The program being debugged has been started already.\n\ |
489 | Start it from the beginning? "))) | |
8a3fe4f8 | 490 | error (_("Program not restarted.")); |
c906108c | 491 | target_kill (); |
c906108c | 492 | } |
a4d5f2e0 JB |
493 | } |
494 | ||
1777feb0 | 495 | /* Implement the "run" command. If TBREAK_AT_MAIN is set, then insert |
f67a969f JB |
496 | a temporary breakpoint at the begining of the main program before |
497 | running the program. */ | |
498 | ||
a4d5f2e0 | 499 | static void |
f67a969f | 500 | run_command_1 (char *args, int from_tty, int tbreak_at_main) |
a4d5f2e0 JB |
501 | { |
502 | char *exec_file; | |
29f49a6a PA |
503 | struct cleanup *old_chain; |
504 | ptid_t ptid; | |
79a45e25 | 505 | struct ui_out *uiout = current_uiout; |
c906108c | 506 | |
a4d5f2e0 JB |
507 | dont_repeat (); |
508 | ||
509 | kill_if_already_running (from_tty); | |
3c35e65b UW |
510 | |
511 | init_wait_for_inferior (); | |
c906108c SS |
512 | clear_breakpoint_hit_counts (); |
513 | ||
fd79ecee DJ |
514 | /* Clean up any leftovers from other runs. Some other things from |
515 | this function should probably be moved into target_pre_inferior. */ | |
516 | target_pre_inferior (from_tty); | |
517 | ||
39ad761d JB |
518 | /* The comment here used to read, "The exec file is re-read every |
519 | time we do a generic_mourn_inferior, so we just have to worry | |
520 | about the symbol file." The `generic_mourn_inferior' function | |
521 | gets called whenever the program exits. However, suppose the | |
522 | program exits, and *then* the executable file changes? We need | |
523 | to check again here. Since reopen_exec_file doesn't do anything | |
524 | if the timestamp hasn't changed, I don't see the harm. */ | |
525 | reopen_exec_file (); | |
c906108c SS |
526 | reread_symbols (); |
527 | ||
f67a969f JB |
528 | /* Insert the temporary breakpoint if a location was specified. */ |
529 | if (tbreak_at_main) | |
530 | tbreak_command (main_name (), 0); | |
531 | ||
39ad761d JB |
532 | exec_file = (char *) get_exec_file (0); |
533 | ||
9908b566 VP |
534 | if (non_stop && !target_supports_non_stop ()) |
535 | error (_("The target does not support running in non-stop mode.")); | |
536 | ||
c906108c SS |
537 | /* We keep symbols from add-symbol-file, on the grounds that the |
538 | user might want to add some symbols before running the program | |
539 | (right?). But sometimes (dynamic loading where the user manually | |
540 | introduces the new symbols with add-symbol-file), the code which | |
541 | the symbols describe does not persist between runs. Currently | |
542 | the user has to manually nuke all symbols between runs if they | |
543 | want them to go away (PR 2207). This is probably reasonable. */ | |
544 | ||
43ff13b4 | 545 | if (!args) |
6426a772 | 546 | { |
362646f5 | 547 | if (target_can_async_p ()) |
6426a772 JM |
548 | async_disable_stdin (); |
549 | } | |
43ff13b4 | 550 | else |
c906108c | 551 | { |
43ff13b4 JM |
552 | int async_exec = strip_bg_char (&args); |
553 | ||
554 | /* If we get a request for running in the bg but the target | |
1777feb0 | 555 | doesn't support it, error out. */ |
362646f5 | 556 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 557 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
558 | |
559 | /* If we don't get a request of running in the bg, then we need | |
1777feb0 | 560 | to simulate synchronous (fg) execution. */ |
362646f5 | 561 | if (!async_exec && target_can_async_p ()) |
43ff13b4 | 562 | { |
1777feb0 | 563 | /* Simulate synchronous execution. */ |
6426a772 | 564 | async_disable_stdin (); |
43ff13b4 JM |
565 | } |
566 | ||
1777feb0 | 567 | /* If there were other args, beside '&', process them. */ |
43ff13b4 | 568 | if (args) |
3f81c18a | 569 | set_inferior_args (args); |
c906108c SS |
570 | } |
571 | ||
572 | if (from_tty) | |
573 | { | |
8b93c638 JM |
574 | ui_out_field_string (uiout, NULL, "Starting program"); |
575 | ui_out_text (uiout, ": "); | |
576 | if (exec_file) | |
577 | ui_out_field_string (uiout, "execfile", exec_file); | |
578 | ui_out_spaces (uiout, 1); | |
552c04a7 TT |
579 | /* We call get_inferior_args() because we might need to compute |
580 | the value now. */ | |
581 | ui_out_field_string (uiout, "infargs", get_inferior_args ()); | |
8b93c638 JM |
582 | ui_out_text (uiout, "\n"); |
583 | ui_out_flush (uiout); | |
c906108c SS |
584 | } |
585 | ||
552c04a7 TT |
586 | /* We call get_inferior_args() because we might need to compute |
587 | the value now. */ | |
588 | target_create_inferior (exec_file, get_inferior_args (), | |
3e43a32a MS |
589 | environ_vector (current_inferior ()->environment), |
590 | from_tty); | |
281b533b | 591 | |
29f49a6a PA |
592 | /* We're starting off a new process. When we get out of here, in |
593 | non-stop mode, finish the state of all threads of that process, | |
594 | but leave other threads alone, as they may be stopped in internal | |
595 | events --- the frontend shouldn't see them as stopped. In | |
596 | all-stop, always finish the state of all threads, as we may be | |
597 | resuming more than just the new process. */ | |
598 | if (non_stop) | |
599 | ptid = pid_to_ptid (ptid_get_pid (inferior_ptid)); | |
600 | else | |
601 | ptid = minus_one_ptid; | |
602 | old_chain = make_cleanup (finish_thread_state_cleanup, &ptid); | |
603 | ||
de1b3c3d PA |
604 | /* Pass zero for FROM_TTY, because at this point the "run" command |
605 | has done its thing; now we are setting up the running program. */ | |
606 | post_create_inferior (¤t_target, 0); | |
281b533b | 607 | |
74d1f91e JK |
608 | /* Start the target running. Do not use -1 continuation as it would skip |
609 | breakpoint right at the entry point. */ | |
610 | proceed (regcache_read_pc (get_current_regcache ()), TARGET_SIGNAL_0, 0); | |
c906108c | 611 | |
29f49a6a PA |
612 | /* Since there was no error, there's no need to finish the thread |
613 | states here. */ | |
614 | discard_cleanups (old_chain); | |
615 | } | |
c906108c | 616 | |
f67a969f JB |
617 | static void |
618 | run_command (char *args, int from_tty) | |
619 | { | |
620 | run_command_1 (args, from_tty, 0); | |
621 | } | |
622 | ||
c906108c | 623 | static void |
fba45db2 | 624 | run_no_args_command (char *args, int from_tty) |
c906108c | 625 | { |
3f81c18a | 626 | set_inferior_args (""); |
c906108c | 627 | } |
c906108c | 628 | \f |
c5aa993b | 629 | |
a4d5f2e0 JB |
630 | /* Start the execution of the program up until the beginning of the main |
631 | program. */ | |
632 | ||
633 | static void | |
634 | start_command (char *args, int from_tty) | |
635 | { | |
636 | /* Some languages such as Ada need to search inside the program | |
637 | minimal symbols for the location where to put the temporary | |
638 | breakpoint before starting. */ | |
639 | if (!have_minimal_symbols ()) | |
8a3fe4f8 | 640 | error (_("No symbol table loaded. Use the \"file\" command.")); |
a4d5f2e0 | 641 | |
f67a969f JB |
642 | /* Run the program until reaching the main procedure... */ |
643 | run_command_1 (args, from_tty, 1); | |
a4d5f2e0 JB |
644 | } |
645 | ||
8cae4b3f PA |
646 | static int |
647 | proceed_thread_callback (struct thread_info *thread, void *arg) | |
648 | { | |
74531fed PA |
649 | /* We go through all threads individually instead of compressing |
650 | into a single target `resume_all' request, because some threads | |
651 | may be stopped in internal breakpoints/events, or stopped waiting | |
652 | for its turn in the displaced stepping queue (that is, they are | |
653 | running && !executing). The target side has no idea about why | |
654 | the thread is stopped, so a `resume_all' command would resume too | |
655 | much. If/when GDB gains a way to tell the target `hold this | |
656 | thread stopped until I say otherwise', then we can optimize | |
657 | this. */ | |
4f8d22e3 | 658 | if (!is_stopped (thread->ptid)) |
8cae4b3f PA |
659 | return 0; |
660 | ||
dcf4fbde | 661 | switch_to_thread (thread->ptid); |
8cae4b3f PA |
662 | clear_proceed_status (); |
663 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); | |
664 | return 0; | |
665 | } | |
666 | ||
70221824 | 667 | static void |
d729566a PA |
668 | ensure_valid_thread (void) |
669 | { | |
670 | if (ptid_equal (inferior_ptid, null_ptid) | |
671 | || is_exited (inferior_ptid)) | |
3e43a32a | 672 | error (_("Cannot execute this command without a live selected thread.")); |
d729566a PA |
673 | } |
674 | ||
573cda03 | 675 | /* If the user is looking at trace frames, any resumption of execution |
1777feb0 | 676 | is likely to mix up recorded and live target data. So simply |
573cda03 SS |
677 | disallow those commands. */ |
678 | ||
70221824 | 679 | static void |
573cda03 SS |
680 | ensure_not_tfind_mode (void) |
681 | { | |
682 | if (get_traceframe_number () >= 0) | |
3e43a32a | 683 | error (_("Cannot execute this command while looking at trace frames.")); |
573cda03 SS |
684 | } |
685 | ||
77ebaa5a VP |
686 | void |
687 | continue_1 (int all_threads) | |
688 | { | |
3d488bfc | 689 | ERROR_NO_INFERIOR; |
573cda03 | 690 | ensure_not_tfind_mode (); |
3d488bfc | 691 | |
77ebaa5a VP |
692 | if (non_stop && all_threads) |
693 | { | |
694 | /* Don't error out if the current thread is running, because | |
abbb1732 | 695 | there may be other stopped threads. */ |
77ebaa5a VP |
696 | struct cleanup *old_chain; |
697 | ||
698 | /* Backup current thread and selected frame. */ | |
699 | old_chain = make_cleanup_restore_current_thread (); | |
700 | ||
701 | iterate_over_threads (proceed_thread_callback, NULL); | |
702 | ||
703 | /* Restore selected ptid. */ | |
704 | do_cleanups (old_chain); | |
705 | } | |
706 | else | |
707 | { | |
d729566a | 708 | ensure_valid_thread (); |
77ebaa5a VP |
709 | ensure_not_running (); |
710 | clear_proceed_status (); | |
711 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); | |
712 | } | |
713 | } | |
714 | ||
8cae4b3f | 715 | /* continue [-a] [proceed-count] [&] */ |
c906108c | 716 | void |
8cae4b3f | 717 | continue_command (char *args, int from_tty) |
c906108c | 718 | { |
c5aa993b | 719 | int async_exec = 0; |
8cae4b3f | 720 | int all_threads = 0; |
c906108c SS |
721 | ERROR_NO_INFERIOR; |
722 | ||
1777feb0 | 723 | /* Find out whether we must run in the background. */ |
8cae4b3f PA |
724 | if (args != NULL) |
725 | async_exec = strip_bg_char (&args); | |
43ff13b4 JM |
726 | |
727 | /* If we must run in the background, but the target can't do it, | |
1777feb0 | 728 | error out. */ |
362646f5 | 729 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 730 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
731 | |
732 | /* If we are not asked to run in the bg, then prepare to run in the | |
1777feb0 | 733 | foreground, synchronously. */ |
362646f5 | 734 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 735 | { |
1777feb0 | 736 | /* Simulate synchronous execution. */ |
6426a772 | 737 | async_disable_stdin (); |
43ff13b4 | 738 | } |
c906108c | 739 | |
8cae4b3f PA |
740 | if (args != NULL) |
741 | { | |
742 | if (strncmp (args, "-a", sizeof ("-a") - 1) == 0) | |
743 | { | |
744 | all_threads = 1; | |
745 | args += sizeof ("-a") - 1; | |
746 | if (*args == '\0') | |
747 | args = NULL; | |
748 | } | |
749 | } | |
750 | ||
751 | if (!non_stop && all_threads) | |
752 | error (_("`-a' is meaningless in all-stop mode.")); | |
753 | ||
754 | if (args != NULL && all_threads) | |
3e43a32a MS |
755 | error (_("Can't resume all threads and specify " |
756 | "proceed count simultaneously.")); | |
8cae4b3f PA |
757 | |
758 | /* If we have an argument left, set proceed count of breakpoint we | |
759 | stopped at. */ | |
760 | if (args != NULL) | |
c906108c | 761 | { |
347bddb7 | 762 | bpstat bs = NULL; |
8671a17b PA |
763 | int num, stat; |
764 | int stopped = 0; | |
347bddb7 PA |
765 | struct thread_info *tp; |
766 | ||
767 | if (non_stop) | |
e09875d4 | 768 | tp = find_thread_ptid (inferior_ptid); |
347bddb7 PA |
769 | else |
770 | { | |
771 | ptid_t last_ptid; | |
772 | struct target_waitstatus ws; | |
773 | ||
774 | get_last_target_status (&last_ptid, &ws); | |
e09875d4 | 775 | tp = find_thread_ptid (last_ptid); |
347bddb7 PA |
776 | } |
777 | if (tp != NULL) | |
16c381f0 | 778 | bs = tp->control.stop_bpstat; |
8671a17b PA |
779 | |
780 | while ((stat = bpstat_num (&bs, &num)) != 0) | |
781 | if (stat > 0) | |
782 | { | |
783 | set_ignore_count (num, | |
8cae4b3f | 784 | parse_and_eval_long (args) - 1, |
8671a17b PA |
785 | from_tty); |
786 | /* set_ignore_count prints a message ending with a period. | |
787 | So print two spaces before "Continuing.". */ | |
788 | if (from_tty) | |
789 | printf_filtered (" "); | |
790 | stopped = 1; | |
791 | } | |
792 | ||
793 | if (!stopped && from_tty) | |
c906108c SS |
794 | { |
795 | printf_filtered | |
796 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
797 | } | |
c906108c SS |
798 | } |
799 | ||
800 | if (from_tty) | |
a3f17187 | 801 | printf_filtered (_("Continuing.\n")); |
c906108c | 802 | |
77ebaa5a | 803 | continue_1 (all_threads); |
c906108c SS |
804 | } |
805 | \f | |
edb3359d DJ |
806 | /* Record the starting point of a "step" or "next" command. */ |
807 | ||
808 | static void | |
809 | set_step_frame (void) | |
810 | { | |
811 | struct symtab_and_line sal; | |
812 | ||
813 | find_frame_sal (get_current_frame (), &sal); | |
814 | set_step_info (get_current_frame (), sal); | |
815 | } | |
816 | ||
c906108c SS |
817 | /* Step until outside of current statement. */ |
818 | ||
c906108c | 819 | static void |
fba45db2 | 820 | step_command (char *count_string, int from_tty) |
c906108c SS |
821 | { |
822 | step_1 (0, 0, count_string); | |
823 | } | |
824 | ||
825 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
826 | ||
c906108c | 827 | static void |
fba45db2 | 828 | next_command (char *count_string, int from_tty) |
c906108c SS |
829 | { |
830 | step_1 (1, 0, count_string); | |
831 | } | |
832 | ||
833 | /* Likewise, but step only one instruction. */ | |
834 | ||
c906108c | 835 | void |
fba45db2 | 836 | stepi_command (char *count_string, int from_tty) |
c906108c SS |
837 | { |
838 | step_1 (0, 1, count_string); | |
839 | } | |
840 | ||
c906108c | 841 | void |
fba45db2 | 842 | nexti_command (char *count_string, int from_tty) |
c906108c SS |
843 | { |
844 | step_1 (1, 1, count_string); | |
845 | } | |
846 | ||
186c406b | 847 | void |
611c83ae | 848 | delete_longjmp_breakpoint_cleanup (void *arg) |
74b7792f | 849 | { |
611c83ae PA |
850 | int thread = * (int *) arg; |
851 | delete_longjmp_breakpoint (thread); | |
74b7792f AC |
852 | } |
853 | ||
c906108c | 854 | static void |
fba45db2 | 855 | step_1 (int skip_subroutines, int single_inst, char *count_string) |
c906108c | 856 | { |
52f0bd74 | 857 | int count = 1; |
f107f563 | 858 | struct cleanup *cleanups = make_cleanup (null_cleanup, NULL); |
43ff13b4 | 859 | int async_exec = 0; |
b3dc826b | 860 | int thread = -1; |
c5aa993b | 861 | |
c906108c | 862 | ERROR_NO_INFERIOR; |
573cda03 | 863 | ensure_not_tfind_mode (); |
d729566a | 864 | ensure_valid_thread (); |
94cc34af | 865 | ensure_not_running (); |
43ff13b4 JM |
866 | |
867 | if (count_string) | |
868 | async_exec = strip_bg_char (&count_string); | |
c5aa993b | 869 | |
43ff13b4 | 870 | /* If we get a request for running in the bg but the target |
1777feb0 | 871 | doesn't support it, error out. */ |
362646f5 | 872 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 873 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
874 | |
875 | /* If we don't get a request of running in the bg, then we need | |
1777feb0 | 876 | to simulate synchronous (fg) execution. */ |
362646f5 | 877 | if (!async_exec && target_can_async_p ()) |
43ff13b4 | 878 | { |
1777feb0 | 879 | /* Simulate synchronous execution. */ |
6426a772 | 880 | async_disable_stdin (); |
43ff13b4 JM |
881 | } |
882 | ||
bb518678 | 883 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 884 | |
1777feb0 | 885 | if (!single_inst || skip_subroutines) /* Leave si command alone. */ |
c906108c | 886 | { |
186c406b TT |
887 | struct thread_info *tp = inferior_thread (); |
888 | ||
611c83ae | 889 | if (in_thread_list (inferior_ptid)) |
b3dc826b | 890 | thread = pid_to_thread_id (inferior_ptid); |
611c83ae | 891 | |
186c406b | 892 | set_longjmp_breakpoint (tp, get_frame_id (get_current_frame ())); |
611c83ae | 893 | |
b3dc826b | 894 | make_cleanup (delete_longjmp_breakpoint_cleanup, &thread); |
c2d11a7d JM |
895 | } |
896 | ||
37d94800 | 897 | /* In synchronous case, all is well; each step_once call will step once. */ |
362646f5 | 898 | if (!target_can_async_p ()) |
c2d11a7d JM |
899 | { |
900 | for (; count > 0; count--) | |
901 | { | |
37d94800 | 902 | step_once (skip_subroutines, single_inst, count, thread); |
c2d11a7d | 903 | |
751b8ce1 PA |
904 | if (!target_has_execution) |
905 | break; | |
c2d11a7d JM |
906 | else |
907 | { | |
751b8ce1 PA |
908 | struct thread_info *tp = inferior_thread (); |
909 | ||
910 | if (!tp->control.stop_step || !tp->step_multi) | |
911 | { | |
912 | /* If we stopped for some reason that is not stepping | |
913 | there are no further steps to make. */ | |
914 | tp->step_multi = 0; | |
915 | break; | |
916 | } | |
c2d11a7d | 917 | } |
c2d11a7d JM |
918 | } |
919 | ||
f107f563 | 920 | do_cleanups (cleanups); |
c2d11a7d | 921 | } |
c2d11a7d JM |
922 | else |
923 | { | |
37d94800 PA |
924 | /* In the case of an asynchronous target things get complicated; |
925 | do only one step for now, before returning control to the | |
926 | event loop. Let the continuation figure out how many other | |
927 | steps we need to do, and handle them one at the time, through | |
928 | step_once. */ | |
b3dc826b | 929 | step_once (skip_subroutines, single_inst, count, thread); |
37d94800 | 930 | |
611c83ae | 931 | /* We are running, and the continuation is installed. It will |
f107f563 VP |
932 | disable the longjmp breakpoint as appropriate. */ |
933 | discard_cleanups (cleanups); | |
c906108c | 934 | } |
c2d11a7d | 935 | } |
c906108c | 936 | |
bfec99b2 PA |
937 | struct step_1_continuation_args |
938 | { | |
939 | int count; | |
940 | int skip_subroutines; | |
941 | int single_inst; | |
942 | int thread; | |
943 | }; | |
944 | ||
c2d11a7d JM |
945 | /* Called after we are done with one step operation, to check whether |
946 | we need to step again, before we print the prompt and return control | |
1777feb0 MS |
947 | to the user. If count is > 1, we will need to do one more call to |
948 | proceed(), via step_once(). Basically it is like step_once and | |
949 | step_1_continuation are co-recursive. */ | |
c2d11a7d | 950 | static void |
fa4cd53f | 951 | step_1_continuation (void *args, int err) |
c2d11a7d | 952 | { |
bfec99b2 | 953 | struct step_1_continuation_args *a = args; |
f13468d9 | 954 | |
af679fd0 | 955 | if (target_has_execution) |
f13468d9 | 956 | { |
af679fd0 PA |
957 | struct thread_info *tp; |
958 | ||
959 | tp = inferior_thread (); | |
fa4cd53f PA |
960 | if (!err |
961 | && tp->step_multi && tp->control.stop_step) | |
af679fd0 PA |
962 | { |
963 | /* There are more steps to make, and we did stop due to | |
964 | ending a stepping range. Do another step. */ | |
37d94800 PA |
965 | step_once (a->skip_subroutines, a->single_inst, |
966 | a->count - 1, a->thread); | |
af679fd0 PA |
967 | return; |
968 | } | |
969 | tp->step_multi = 0; | |
f107f563 | 970 | } |
af679fd0 | 971 | |
fa4cd53f PA |
972 | /* We either hit an error, or stopped for some reason that is |
973 | not stepping, or there are no further steps to make. | |
974 | Cleanup. */ | |
af679fd0 PA |
975 | if (!a->single_inst || a->skip_subroutines) |
976 | delete_longjmp_breakpoint (a->thread); | |
c2d11a7d JM |
977 | } |
978 | ||
37d94800 PA |
979 | /* Do just one step operation. This is useful to implement the 'step |
980 | n' kind of commands. In case of asynchronous targets, we will have | |
981 | to set up a continuation to be done after the target stops (after | |
982 | this one step). For synch targets, the caller handles further | |
983 | stepping. */ | |
984 | ||
985 | static void | |
611c83ae | 986 | step_once (int skip_subroutines, int single_inst, int count, int thread) |
bfec99b2 | 987 | { |
edb3359d | 988 | struct frame_info *frame = get_current_frame (); |
c2d11a7d JM |
989 | |
990 | if (count > 0) | |
c906108c | 991 | { |
4e1c45ea PA |
992 | /* Don't assume THREAD is a valid thread id. It is set to -1 if |
993 | the longjmp breakpoint was not required. Use the | |
994 | INFERIOR_PTID thread instead, which is the same thread when | |
995 | THREAD is set. */ | |
996 | struct thread_info *tp = inferior_thread (); | |
abbb1732 | 997 | |
c906108c | 998 | clear_proceed_status (); |
edb3359d | 999 | set_step_frame (); |
c906108c | 1000 | |
c5aa993b | 1001 | if (!single_inst) |
c906108c | 1002 | { |
1641cfcc PA |
1003 | CORE_ADDR pc; |
1004 | ||
edb3359d DJ |
1005 | /* Step at an inlined function behaves like "down". */ |
1006 | if (!skip_subroutines && !single_inst | |
1007 | && inline_skipped_frames (inferior_ptid)) | |
1008 | { | |
09cee04b PA |
1009 | ptid_t resume_ptid; |
1010 | ||
1011 | /* Pretend that we've ran. */ | |
1012 | resume_ptid = user_visible_resume_ptid (1); | |
1013 | set_running (resume_ptid, 1); | |
1014 | ||
edb3359d DJ |
1015 | step_into_inline_frame (inferior_ptid); |
1016 | if (count > 1) | |
1017 | step_once (skip_subroutines, single_inst, count - 1, thread); | |
1018 | else | |
09cee04b PA |
1019 | { |
1020 | /* Pretend that we've stopped. */ | |
1021 | normal_stop (); | |
1022 | ||
1023 | if (target_can_async_p ()) | |
1024 | inferior_event_handler (INF_EXEC_COMPLETE, NULL); | |
1025 | } | |
edb3359d DJ |
1026 | return; |
1027 | } | |
1028 | ||
1641cfcc PA |
1029 | pc = get_frame_pc (frame); |
1030 | find_pc_line_pc_range (pc, | |
16c381f0 JK |
1031 | &tp->control.step_range_start, |
1032 | &tp->control.step_range_end); | |
5fbbeb29 CF |
1033 | |
1034 | /* If we have no line info, switch to stepi mode. */ | |
16c381f0 JK |
1035 | if (tp->control.step_range_end == 0 && step_stop_if_no_debug) |
1036 | tp->control.step_range_start = tp->control.step_range_end = 1; | |
1037 | else if (tp->control.step_range_end == 0) | |
c906108c | 1038 | { |
2c02bd72 | 1039 | const char *name; |
abbb1732 | 1040 | |
1641cfcc | 1041 | if (find_pc_partial_function (pc, &name, |
16c381f0 JK |
1042 | &tp->control.step_range_start, |
1043 | &tp->control.step_range_end) == 0) | |
8a3fe4f8 | 1044 | error (_("Cannot find bounds of current function")); |
c906108c SS |
1045 | |
1046 | target_terminal_ours (); | |
3e43a32a MS |
1047 | printf_filtered (_("Single stepping until exit from function %s," |
1048 | "\nwhich has no line number information.\n"), | |
1049 | name); | |
c906108c SS |
1050 | } |
1051 | } | |
1052 | else | |
1053 | { | |
1054 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
16c381f0 | 1055 | tp->control.step_range_start = tp->control.step_range_end = 1; |
c906108c SS |
1056 | if (!skip_subroutines) |
1057 | /* It is stepi. | |
1058 | Don't step over function calls, not even to functions lacking | |
1059 | line numbers. */ | |
16c381f0 | 1060 | tp->control.step_over_calls = STEP_OVER_NONE; |
c906108c SS |
1061 | } |
1062 | ||
1063 | if (skip_subroutines) | |
16c381f0 | 1064 | tp->control.step_over_calls = STEP_OVER_ALL; |
c906108c | 1065 | |
95e54da7 | 1066 | tp->step_multi = (count > 1); |
f107f563 | 1067 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
bfec99b2 | 1068 | |
37d94800 PA |
1069 | /* For async targets, register a continuation to do any |
1070 | additional steps. For sync targets, the caller will handle | |
1071 | further stepping. */ | |
1072 | if (target_can_async_p ()) | |
1073 | { | |
1074 | struct step_1_continuation_args *args; | |
1075 | ||
1076 | args = xmalloc (sizeof (*args)); | |
1077 | args->skip_subroutines = skip_subroutines; | |
1078 | args->single_inst = single_inst; | |
1079 | args->count = count; | |
1080 | args->thread = thread; | |
1081 | ||
1082 | add_intermediate_continuation (tp, step_1_continuation, args, xfree); | |
1083 | } | |
c906108c | 1084 | } |
c906108c | 1085 | } |
c2d11a7d | 1086 | |
c906108c SS |
1087 | \f |
1088 | /* Continue program at specified address. */ | |
1089 | ||
1090 | static void | |
fba45db2 | 1091 | jump_command (char *arg, int from_tty) |
c906108c | 1092 | { |
5af949e3 | 1093 | struct gdbarch *gdbarch = get_current_arch (); |
52f0bd74 | 1094 | CORE_ADDR addr; |
c906108c SS |
1095 | struct symtabs_and_lines sals; |
1096 | struct symtab_and_line sal; | |
1097 | struct symbol *fn; | |
1098 | struct symbol *sfn; | |
43ff13b4 | 1099 | int async_exec = 0; |
c5aa993b | 1100 | |
c906108c | 1101 | ERROR_NO_INFERIOR; |
573cda03 | 1102 | ensure_not_tfind_mode (); |
d729566a | 1103 | ensure_valid_thread (); |
94cc34af | 1104 | ensure_not_running (); |
c906108c | 1105 | |
1777feb0 | 1106 | /* Find out whether we must run in the background. */ |
43ff13b4 JM |
1107 | if (arg != NULL) |
1108 | async_exec = strip_bg_char (&arg); | |
1109 | ||
1110 | /* If we must run in the background, but the target can't do it, | |
1777feb0 | 1111 | error out. */ |
362646f5 | 1112 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1113 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 | 1114 | |
c906108c | 1115 | if (!arg) |
e2e0b3e5 | 1116 | error_no_arg (_("starting address")); |
c906108c | 1117 | |
f8eba3c6 | 1118 | sals = decode_line_spec_1 (arg, DECODE_LINE_FUNFIRSTLINE); |
c906108c SS |
1119 | if (sals.nelts != 1) |
1120 | { | |
8a3fe4f8 | 1121 | error (_("Unreasonable jump request")); |
c906108c SS |
1122 | } |
1123 | ||
1124 | sal = sals.sals[0]; | |
b8c9b27d | 1125 | xfree (sals.sals); |
c906108c SS |
1126 | |
1127 | if (sal.symtab == 0 && sal.pc == 0) | |
8a3fe4f8 | 1128 | error (_("No source file has been specified.")); |
c906108c | 1129 | |
1777feb0 | 1130 | resolve_sal_pc (&sal); /* May error out. */ |
c906108c | 1131 | |
1777feb0 | 1132 | /* See if we are trying to jump to another function. */ |
c906108c SS |
1133 | fn = get_frame_function (get_current_frame ()); |
1134 | sfn = find_pc_function (sal.pc); | |
1135 | if (fn != NULL && sfn != fn) | |
1136 | { | |
9e2f0ad4 | 1137 | if (!query (_("Line %d is not in `%s'. Jump anyway? "), sal.line, |
de5ad195 | 1138 | SYMBOL_PRINT_NAME (fn))) |
c906108c | 1139 | { |
8a3fe4f8 | 1140 | error (_("Not confirmed.")); |
c906108c SS |
1141 | /* NOTREACHED */ |
1142 | } | |
1143 | } | |
1144 | ||
c5aa993b | 1145 | if (sfn != NULL) |
c906108c SS |
1146 | { |
1147 | fixup_symbol_section (sfn, 0); | |
714835d5 UW |
1148 | if (section_is_overlay (SYMBOL_OBJ_SECTION (sfn)) && |
1149 | !section_is_mapped (SYMBOL_OBJ_SECTION (sfn))) | |
c906108c | 1150 | { |
3e43a32a MS |
1151 | if (!query (_("WARNING!!! Destination is in " |
1152 | "unmapped overlay! Jump anyway? "))) | |
c906108c | 1153 | { |
8a3fe4f8 | 1154 | error (_("Not confirmed.")); |
c906108c SS |
1155 | /* NOTREACHED */ |
1156 | } | |
1157 | } | |
1158 | } | |
1159 | ||
c906108c SS |
1160 | addr = sal.pc; |
1161 | ||
1162 | if (from_tty) | |
1163 | { | |
a3f17187 | 1164 | printf_filtered (_("Continuing at ")); |
5af949e3 | 1165 | fputs_filtered (paddress (gdbarch, addr), gdb_stdout); |
c906108c SS |
1166 | printf_filtered (".\n"); |
1167 | } | |
1168 | ||
89113898 | 1169 | /* If we are not asked to run in the bg, then prepare to run in the |
1777feb0 | 1170 | foreground, synchronously. */ |
89113898 PA |
1171 | if (!async_exec && target_can_async_p ()) |
1172 | { | |
1777feb0 | 1173 | /* Simulate synchronous execution. */ |
89113898 PA |
1174 | async_disable_stdin (); |
1175 | } | |
1176 | ||
c906108c SS |
1177 | clear_proceed_status (); |
1178 | proceed (addr, TARGET_SIGNAL_0, 0); | |
1179 | } | |
c906108c | 1180 | \f |
c5aa993b | 1181 | |
1777feb0 | 1182 | /* Go to line or address in current procedure. */ |
c906108c | 1183 | static void |
fba45db2 | 1184 | go_command (char *line_no, int from_tty) |
c906108c | 1185 | { |
c5aa993b | 1186 | if (line_no == (char *) NULL || !*line_no) |
f42429a6 | 1187 | printf_filtered (_("Usage: go <location>\n")); |
c906108c SS |
1188 | else |
1189 | { | |
b83266a0 SS |
1190 | tbreak_command (line_no, from_tty); |
1191 | jump_command (line_no, from_tty); | |
c906108c SS |
1192 | } |
1193 | } | |
c906108c | 1194 | \f |
c5aa993b | 1195 | |
c906108c SS |
1196 | /* Continue program giving it specified signal. */ |
1197 | ||
1198 | static void | |
fba45db2 | 1199 | signal_command (char *signum_exp, int from_tty) |
c906108c SS |
1200 | { |
1201 | enum target_signal oursig; | |
32c1e744 | 1202 | int async_exec = 0; |
c906108c SS |
1203 | |
1204 | dont_repeat (); /* Too dangerous. */ | |
1205 | ERROR_NO_INFERIOR; | |
573cda03 | 1206 | ensure_not_tfind_mode (); |
d729566a | 1207 | ensure_valid_thread (); |
94cc34af | 1208 | ensure_not_running (); |
c906108c | 1209 | |
32c1e744 VP |
1210 | /* Find out whether we must run in the background. */ |
1211 | if (signum_exp != NULL) | |
1212 | async_exec = strip_bg_char (&signum_exp); | |
1213 | ||
1214 | /* If we must run in the background, but the target can't do it, | |
1215 | error out. */ | |
1216 | if (async_exec && !target_can_async_p ()) | |
1217 | error (_("Asynchronous execution not supported on this target.")); | |
1218 | ||
1219 | /* If we are not asked to run in the bg, then prepare to run in the | |
1220 | foreground, synchronously. */ | |
1221 | if (!async_exec && target_can_async_p ()) | |
1222 | { | |
1223 | /* Simulate synchronous execution. */ | |
1224 | async_disable_stdin (); | |
1225 | } | |
1226 | ||
c906108c | 1227 | if (!signum_exp) |
e2e0b3e5 | 1228 | error_no_arg (_("signal number")); |
c906108c SS |
1229 | |
1230 | /* It would be even slicker to make signal names be valid expressions, | |
1231 | (the type could be "enum $signal" or some such), then the user could | |
1232 | assign them to convenience variables. */ | |
1233 | oursig = target_signal_from_name (signum_exp); | |
1234 | ||
1235 | if (oursig == TARGET_SIGNAL_UNKNOWN) | |
1236 | { | |
1237 | /* No, try numeric. */ | |
bb518678 | 1238 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
1239 | |
1240 | if (num == 0) | |
1241 | oursig = TARGET_SIGNAL_0; | |
1242 | else | |
1243 | oursig = target_signal_from_command (num); | |
1244 | } | |
1245 | ||
1246 | if (from_tty) | |
1247 | { | |
1248 | if (oursig == TARGET_SIGNAL_0) | |
a3f17187 | 1249 | printf_filtered (_("Continuing with no signal.\n")); |
c906108c | 1250 | else |
a3f17187 | 1251 | printf_filtered (_("Continuing with signal %s.\n"), |
c906108c SS |
1252 | target_signal_to_name (oursig)); |
1253 | } | |
1254 | ||
1255 | clear_proceed_status (); | |
a12cc160 | 1256 | proceed ((CORE_ADDR) -1, oursig, 0); |
c906108c SS |
1257 | } |
1258 | ||
fa4cd53f PA |
1259 | /* Continuation args to be passed to the "until" command |
1260 | continuation. */ | |
1261 | struct until_next_continuation_args | |
1262 | { | |
1263 | /* The thread that was current when the command was executed. */ | |
1264 | int thread; | |
1265 | }; | |
1266 | ||
186c406b TT |
1267 | /* A continuation callback for until_next_command. */ |
1268 | ||
1269 | static void | |
fa4cd53f | 1270 | until_next_continuation (void *arg, int err) |
186c406b | 1271 | { |
fa4cd53f | 1272 | struct until_next_continuation_args *a = arg; |
186c406b | 1273 | |
fa4cd53f | 1274 | delete_longjmp_breakpoint (a->thread); |
186c406b TT |
1275 | } |
1276 | ||
c906108c SS |
1277 | /* Proceed until we reach a different source line with pc greater than |
1278 | our current one or exit the function. We skip calls in both cases. | |
1279 | ||
1280 | Note that eventually this command should probably be changed so | |
1281 | that only source lines are printed out when we hit the breakpoint | |
1282 | we set. This may involve changes to wait_for_inferior and the | |
1283 | proceed status code. */ | |
1284 | ||
c906108c | 1285 | static void |
fba45db2 | 1286 | until_next_command (int from_tty) |
c906108c SS |
1287 | { |
1288 | struct frame_info *frame; | |
1289 | CORE_ADDR pc; | |
1290 | struct symbol *func; | |
1291 | struct symtab_and_line sal; | |
4e1c45ea | 1292 | struct thread_info *tp = inferior_thread (); |
186c406b TT |
1293 | int thread = tp->num; |
1294 | struct cleanup *old_chain; | |
c5aa993b | 1295 | |
c906108c | 1296 | clear_proceed_status (); |
edb3359d | 1297 | set_step_frame (); |
c906108c SS |
1298 | |
1299 | frame = get_current_frame (); | |
1300 | ||
1301 | /* Step until either exited from this function or greater | |
1302 | than the current line (if in symbolic section) or pc (if | |
1777feb0 | 1303 | not). */ |
c906108c | 1304 | |
1c7819ef | 1305 | pc = get_frame_pc (frame); |
c906108c | 1306 | func = find_pc_function (pc); |
c5aa993b | 1307 | |
c906108c SS |
1308 | if (!func) |
1309 | { | |
1310 | struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc); | |
c5aa993b | 1311 | |
c906108c | 1312 | if (msymbol == NULL) |
8a3fe4f8 | 1313 | error (_("Execution is not within a known function.")); |
c5aa993b | 1314 | |
16c381f0 JK |
1315 | tp->control.step_range_start = SYMBOL_VALUE_ADDRESS (msymbol); |
1316 | tp->control.step_range_end = pc; | |
c906108c SS |
1317 | } |
1318 | else | |
1319 | { | |
1320 | sal = find_pc_line (pc, 0); | |
c5aa993b | 1321 | |
16c381f0 JK |
1322 | tp->control.step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
1323 | tp->control.step_range_end = sal.end; | |
c906108c | 1324 | } |
c5aa993b | 1325 | |
16c381f0 | 1326 | tp->control.step_over_calls = STEP_OVER_ALL; |
c906108c | 1327 | |
af679fd0 | 1328 | tp->step_multi = 0; /* Only one call to proceed */ |
c5aa993b | 1329 | |
186c406b TT |
1330 | set_longjmp_breakpoint (tp, get_frame_id (frame)); |
1331 | old_chain = make_cleanup (delete_longjmp_breakpoint_cleanup, &thread); | |
1332 | ||
2acceee2 | 1333 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
186c406b TT |
1334 | |
1335 | if (target_can_async_p () && is_running (inferior_ptid)) | |
1336 | { | |
fa4cd53f PA |
1337 | struct until_next_continuation_args *cont_args; |
1338 | ||
186c406b | 1339 | discard_cleanups (old_chain); |
fa4cd53f PA |
1340 | cont_args = XNEW (struct until_next_continuation_args); |
1341 | cont_args->thread = inferior_thread ()->num; | |
1342 | ||
1343 | add_continuation (tp, until_next_continuation, cont_args, xfree); | |
186c406b TT |
1344 | } |
1345 | else | |
1346 | do_cleanups (old_chain); | |
c906108c SS |
1347 | } |
1348 | ||
c5aa993b | 1349 | static void |
fba45db2 | 1350 | until_command (char *arg, int from_tty) |
c906108c | 1351 | { |
43ff13b4 JM |
1352 | int async_exec = 0; |
1353 | ||
4247603b | 1354 | ERROR_NO_INFERIOR; |
573cda03 | 1355 | ensure_not_tfind_mode (); |
4247603b PA |
1356 | ensure_valid_thread (); |
1357 | ensure_not_running (); | |
573cda03 | 1358 | |
1777feb0 | 1359 | /* Find out whether we must run in the background. */ |
43ff13b4 JM |
1360 | if (arg != NULL) |
1361 | async_exec = strip_bg_char (&arg); | |
1362 | ||
1363 | /* If we must run in the background, but the target can't do it, | |
1777feb0 | 1364 | error out. */ |
362646f5 | 1365 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1366 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
1367 | |
1368 | /* If we are not asked to run in the bg, then prepare to run in the | |
1777feb0 | 1369 | foreground, synchronously. */ |
362646f5 | 1370 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 1371 | { |
1777feb0 | 1372 | /* Simulate synchronous execution. */ |
6426a772 | 1373 | async_disable_stdin (); |
43ff13b4 JM |
1374 | } |
1375 | ||
c906108c | 1376 | if (arg) |
ae66c1fc | 1377 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1378 | else |
1379 | until_next_command (from_tty); | |
1380 | } | |
ae66c1fc EZ |
1381 | |
1382 | static void | |
1383 | advance_command (char *arg, int from_tty) | |
1384 | { | |
1385 | int async_exec = 0; | |
1386 | ||
4247603b | 1387 | ERROR_NO_INFERIOR; |
573cda03 | 1388 | ensure_not_tfind_mode (); |
4247603b PA |
1389 | ensure_valid_thread (); |
1390 | ensure_not_running (); | |
573cda03 | 1391 | |
ae66c1fc | 1392 | if (arg == NULL) |
e2e0b3e5 | 1393 | error_no_arg (_("a location")); |
ae66c1fc EZ |
1394 | |
1395 | /* Find out whether we must run in the background. */ | |
1396 | if (arg != NULL) | |
1397 | async_exec = strip_bg_char (&arg); | |
1398 | ||
1399 | /* If we must run in the background, but the target can't do it, | |
1400 | error out. */ | |
362646f5 | 1401 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1402 | error (_("Asynchronous execution not supported on this target.")); |
ae66c1fc EZ |
1403 | |
1404 | /* If we are not asked to run in the bg, then prepare to run in the | |
1405 | foreground, synchronously. */ | |
362646f5 | 1406 | if (!async_exec && target_can_async_p ()) |
ae66c1fc EZ |
1407 | { |
1408 | /* Simulate synchronous execution. */ | |
1409 | async_disable_stdin (); | |
1410 | } | |
1411 | ||
1412 | until_break_command (arg, from_tty, 1); | |
1413 | } | |
c906108c | 1414 | \f |
cc72b2a2 KP |
1415 | /* Return the value of the result of a function at the end of a 'finish' |
1416 | command/BP. */ | |
f941662f | 1417 | |
cc72b2a2 | 1418 | struct value * |
6a3a010b | 1419 | get_return_value (struct value *function, struct type *value_type) |
11cf8741 | 1420 | { |
cc72b2a2 KP |
1421 | struct regcache *stop_regs = stop_registers; |
1422 | struct gdbarch *gdbarch; | |
44e5158b | 1423 | struct value *value; |
79a45e25 | 1424 | struct ui_out *uiout = current_uiout; |
cc72b2a2 KP |
1425 | struct cleanup *cleanup = make_cleanup (null_cleanup, NULL); |
1426 | ||
1427 | /* If stop_registers were not saved, use the current registers. */ | |
1428 | if (!stop_regs) | |
1429 | { | |
1430 | stop_regs = regcache_dup (get_current_regcache ()); | |
1431 | cleanup = make_cleanup_regcache_xfree (stop_regs); | |
1432 | } | |
1433 | ||
1434 | gdbarch = get_regcache_arch (stop_regs); | |
44e5158b | 1435 | |
181fc57c | 1436 | CHECK_TYPEDEF (value_type); |
44e5158b | 1437 | gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID); |
11cf8741 | 1438 | |
92ad9cd9 AC |
1439 | /* FIXME: 2003-09-27: When returning from a nested inferior function |
1440 | call, it's possible (with no help from the architecture vector) | |
1441 | to locate and return/print a "struct return" value. This is just | |
7a9dd1b2 | 1442 | a more complicated case of what is already being done in the |
92ad9cd9 AC |
1443 | inferior function call code. In fact, when inferior function |
1444 | calls are made async, this will likely be made the norm. */ | |
31db7b6c | 1445 | |
6a3a010b | 1446 | switch (gdbarch_return_value (gdbarch, function, value_type, |
c055b101 | 1447 | NULL, NULL, NULL)) |
44e5158b | 1448 | { |
750eb019 AC |
1449 | case RETURN_VALUE_REGISTER_CONVENTION: |
1450 | case RETURN_VALUE_ABI_RETURNS_ADDRESS: | |
181fc57c | 1451 | case RETURN_VALUE_ABI_PRESERVES_ADDRESS: |
44e5158b | 1452 | value = allocate_value (value_type); |
6a3a010b | 1453 | gdbarch_return_value (gdbarch, function, value_type, stop_regs, |
990a07ab | 1454 | value_contents_raw (value), NULL); |
750eb019 AC |
1455 | break; |
1456 | case RETURN_VALUE_STRUCT_CONVENTION: | |
1457 | value = NULL; | |
1458 | break; | |
1459 | default: | |
e2e0b3e5 | 1460 | internal_error (__FILE__, __LINE__, _("bad switch")); |
44e5158b | 1461 | } |
bb472c1e | 1462 | |
cc72b2a2 KP |
1463 | do_cleanups (cleanup); |
1464 | ||
1465 | return value; | |
1466 | } | |
1467 | ||
1468 | /* Print the result of a function at the end of a 'finish' command. */ | |
1469 | ||
1470 | static void | |
6a3a010b | 1471 | print_return_value (struct value *function, struct type *value_type) |
cc72b2a2 | 1472 | { |
6a3a010b | 1473 | struct value *value = get_return_value (function, value_type); |
cc72b2a2 KP |
1474 | struct ui_out *uiout = current_uiout; |
1475 | ||
31db7b6c MK |
1476 | if (value) |
1477 | { | |
79a45b7d | 1478 | struct value_print_options opts; |
f99d8bf4 PA |
1479 | struct ui_file *stb; |
1480 | struct cleanup *old_chain; | |
79a45b7d | 1481 | |
31db7b6c | 1482 | /* Print it. */ |
f99d8bf4 PA |
1483 | stb = mem_fileopen (); |
1484 | old_chain = make_cleanup_ui_file_delete (stb); | |
31db7b6c MK |
1485 | ui_out_text (uiout, "Value returned is "); |
1486 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", | |
1487 | record_latest_value (value)); | |
1488 | ui_out_text (uiout, " = "); | |
79a45b7d | 1489 | get_raw_print_options (&opts); |
f99d8bf4 | 1490 | value_print (value, stb, &opts); |
31db7b6c MK |
1491 | ui_out_field_stream (uiout, "return-value", stb); |
1492 | ui_out_text (uiout, "\n"); | |
1d751abe | 1493 | do_cleanups (old_chain); |
31db7b6c MK |
1494 | } |
1495 | else | |
1496 | { | |
1497 | ui_out_text (uiout, "Value returned has type: "); | |
1d751abe PA |
1498 | ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type)); |
1499 | ui_out_text (uiout, "."); | |
1500 | ui_out_text (uiout, " Cannot determine contents\n"); | |
31db7b6c | 1501 | } |
11cf8741 JM |
1502 | } |
1503 | ||
43ff13b4 | 1504 | /* Stuff that needs to be done by the finish command after the target |
f941662f MK |
1505 | has stopped. In asynchronous mode, we wait for the target to stop |
1506 | in the call to poll or select in the event loop, so it is | |
1507 | impossible to do all the stuff as part of the finish_command | |
1508 | function itself. The only chance we have to complete this command | |
1509 | is in fetch_inferior_event, which is called by the event loop as | |
fa4cd53f | 1510 | soon as it detects that the target has stopped. */ |
f941662f | 1511 | |
bfec99b2 | 1512 | struct finish_command_continuation_args |
43ff13b4 | 1513 | { |
fa4cd53f PA |
1514 | /* The thread that as current when the command was executed. */ |
1515 | int thread; | |
43ff13b4 | 1516 | struct breakpoint *breakpoint; |
bfec99b2 PA |
1517 | struct symbol *function; |
1518 | }; | |
c5aa993b | 1519 | |
bfec99b2 | 1520 | static void |
fa4cd53f | 1521 | finish_command_continuation (void *arg, int err) |
bfec99b2 PA |
1522 | { |
1523 | struct finish_command_continuation_args *a = arg; | |
347bddb7 | 1524 | |
fa4cd53f | 1525 | if (!err) |
43ff13b4 | 1526 | { |
fa4cd53f PA |
1527 | struct thread_info *tp = NULL; |
1528 | bpstat bs = NULL; | |
bfec99b2 | 1529 | |
fa4cd53f PA |
1530 | if (!ptid_equal (inferior_ptid, null_ptid) |
1531 | && target_has_execution | |
1532 | && is_stopped (inferior_ptid)) | |
1533 | { | |
1534 | tp = inferior_thread (); | |
1535 | bs = tp->control.stop_bpstat; | |
1536 | } | |
f5871ec0 | 1537 | |
fa4cd53f PA |
1538 | if (bpstat_find_breakpoint (bs, a->breakpoint) != NULL |
1539 | && a->function != NULL) | |
40c549d6 | 1540 | { |
fa4cd53f PA |
1541 | struct type *value_type; |
1542 | ||
1543 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (a->function)); | |
1544 | if (!value_type) | |
1545 | internal_error (__FILE__, __LINE__, | |
1546 | _("finish_command: function has no target type")); | |
40c549d6 | 1547 | |
fa4cd53f | 1548 | if (TYPE_CODE (value_type) != TYPE_CODE_VOID) |
40c549d6 | 1549 | { |
fa4cd53f | 1550 | volatile struct gdb_exception ex; |
6a3a010b | 1551 | struct value *func; |
fa4cd53f | 1552 | |
6a3a010b | 1553 | func = read_var_value (a->function, get_current_frame ()); |
fa4cd53f PA |
1554 | TRY_CATCH (ex, RETURN_MASK_ALL) |
1555 | { | |
1556 | /* print_return_value can throw an exception in some | |
1557 | circumstances. We need to catch this so that we still | |
1558 | delete the breakpoint. */ | |
6a3a010b | 1559 | print_return_value (func, value_type); |
fa4cd53f PA |
1560 | } |
1561 | if (ex.reason < 0) | |
1562 | exception_print (gdb_stdout, ex); | |
40c549d6 | 1563 | } |
40c549d6 | 1564 | } |
fa4cd53f PA |
1565 | |
1566 | /* We suppress normal call of normal_stop observer and do it | |
1567 | here so that the *stopped notification includes the return | |
1568 | value. */ | |
1569 | if (bs != NULL && tp->control.proceed_to_finish) | |
1570 | observer_notify_normal_stop (bs, 1 /* print frame */); | |
43ff13b4 | 1571 | } |
f941662f | 1572 | |
bfec99b2 | 1573 | delete_breakpoint (a->breakpoint); |
fa4cd53f | 1574 | delete_longjmp_breakpoint (a->thread); |
43ff13b4 JM |
1575 | } |
1576 | ||
604ead4a PA |
1577 | static void |
1578 | finish_command_continuation_free_arg (void *arg) | |
1579 | { | |
604ead4a PA |
1580 | xfree (arg); |
1581 | } | |
1582 | ||
b2175913 MS |
1583 | /* finish_backward -- helper function for finish_command. */ |
1584 | ||
1585 | static void | |
1586 | finish_backward (struct symbol *function) | |
1587 | { | |
1588 | struct symtab_and_line sal; | |
1589 | struct thread_info *tp = inferior_thread (); | |
1c7819ef | 1590 | CORE_ADDR pc; |
b2175913 | 1591 | CORE_ADDR func_addr; |
b2175913 | 1592 | |
1c7819ef PA |
1593 | pc = get_frame_pc (get_current_frame ()); |
1594 | ||
1595 | if (find_pc_partial_function (pc, NULL, &func_addr, NULL) == 0) | |
b2175913 MS |
1596 | internal_error (__FILE__, __LINE__, |
1597 | _("Finish: couldn't find function.")); | |
1598 | ||
1599 | sal = find_pc_line (func_addr, 0); | |
1600 | ||
9da8c2a0 | 1601 | tp->control.proceed_to_finish = 1; |
b2175913 MS |
1602 | /* Special case: if we're sitting at the function entry point, |
1603 | then all we need to do is take a reverse singlestep. We | |
1604 | don't need to set a breakpoint, and indeed it would do us | |
1605 | no good to do so. | |
1606 | ||
1607 | Note that this can only happen at frame #0, since there's | |
1608 | no way that a function up the stack can have a return address | |
1609 | that's equal to its entry point. */ | |
1610 | ||
1c7819ef | 1611 | if (sal.pc != pc) |
b2175913 | 1612 | { |
a6d9a66e UW |
1613 | struct frame_info *frame = get_selected_frame (NULL); |
1614 | struct gdbarch *gdbarch = get_frame_arch (frame); | |
9da8c2a0 PA |
1615 | struct symtab_and_line sr_sal; |
1616 | ||
1617 | /* Set a step-resume at the function's entry point. Once that's | |
1618 | hit, we'll do one more step backwards. */ | |
1619 | init_sal (&sr_sal); | |
1620 | sr_sal.pc = sal.pc; | |
1621 | sr_sal.pspace = get_frame_program_space (frame); | |
1622 | insert_step_resume_breakpoint_at_sal (gdbarch, | |
1623 | sr_sal, null_frame_id); | |
a6d9a66e | 1624 | |
b2175913 | 1625 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
b2175913 MS |
1626 | } |
1627 | else | |
b2175913 | 1628 | { |
9da8c2a0 PA |
1629 | /* We're almost there -- we just need to back up by one more |
1630 | single-step. */ | |
16c381f0 | 1631 | tp->control.step_range_start = tp->control.step_range_end = 1; |
b2175913 MS |
1632 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
1633 | } | |
b2175913 MS |
1634 | } |
1635 | ||
1636 | /* finish_forward -- helper function for finish_command. */ | |
1637 | ||
1638 | static void | |
1639 | finish_forward (struct symbol *function, struct frame_info *frame) | |
1640 | { | |
def166f6 | 1641 | struct frame_id frame_id = get_frame_id (frame); |
a6d9a66e | 1642 | struct gdbarch *gdbarch = get_frame_arch (frame); |
b2175913 MS |
1643 | struct symtab_and_line sal; |
1644 | struct thread_info *tp = inferior_thread (); | |
1645 | struct breakpoint *breakpoint; | |
1646 | struct cleanup *old_chain; | |
1647 | struct finish_command_continuation_args *cargs; | |
186c406b | 1648 | int thread = tp->num; |
b2175913 MS |
1649 | |
1650 | sal = find_pc_line (get_frame_pc (frame), 0); | |
1651 | sal.pc = get_frame_pc (frame); | |
1652 | ||
a6d9a66e UW |
1653 | breakpoint = set_momentary_breakpoint (gdbarch, sal, |
1654 | get_stack_frame_id (frame), | |
b2175913 MS |
1655 | bp_finish); |
1656 | ||
c70a6932 JK |
1657 | /* set_momentary_breakpoint invalidates FRAME. */ |
1658 | frame = NULL; | |
1659 | ||
b2175913 MS |
1660 | old_chain = make_cleanup_delete_breakpoint (breakpoint); |
1661 | ||
def166f6 | 1662 | set_longjmp_breakpoint (tp, frame_id); |
186c406b TT |
1663 | make_cleanup (delete_longjmp_breakpoint_cleanup, &thread); |
1664 | ||
16c381f0 JK |
1665 | /* We want stop_registers, please... */ |
1666 | tp->control.proceed_to_finish = 1; | |
b2175913 MS |
1667 | cargs = xmalloc (sizeof (*cargs)); |
1668 | ||
fa4cd53f | 1669 | cargs->thread = thread; |
b2175913 MS |
1670 | cargs->breakpoint = breakpoint; |
1671 | cargs->function = function; | |
1672 | add_continuation (tp, finish_command_continuation, cargs, | |
1673 | finish_command_continuation_free_arg); | |
6c95b8df | 1674 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
b2175913 MS |
1675 | |
1676 | discard_cleanups (old_chain); | |
1677 | if (!target_can_async_p ()) | |
fa4cd53f | 1678 | do_all_continuations (0); |
b2175913 MS |
1679 | } |
1680 | ||
f941662f MK |
1681 | /* "finish": Set a temporary breakpoint at the place the selected |
1682 | frame will return to, then continue. */ | |
c906108c SS |
1683 | |
1684 | static void | |
fba45db2 | 1685 | finish_command (char *arg, int from_tty) |
c906108c | 1686 | { |
52f0bd74 AC |
1687 | struct frame_info *frame; |
1688 | struct symbol *function; | |
43ff13b4 JM |
1689 | |
1690 | int async_exec = 0; | |
1691 | ||
4247603b | 1692 | ERROR_NO_INFERIOR; |
573cda03 | 1693 | ensure_not_tfind_mode (); |
4247603b PA |
1694 | ensure_valid_thread (); |
1695 | ensure_not_running (); | |
573cda03 | 1696 | |
f941662f | 1697 | /* Find out whether we must run in the background. */ |
43ff13b4 JM |
1698 | if (arg != NULL) |
1699 | async_exec = strip_bg_char (&arg); | |
1700 | ||
1701 | /* If we must run in the background, but the target can't do it, | |
f941662f | 1702 | error out. */ |
362646f5 | 1703 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1704 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
1705 | |
1706 | /* If we are not asked to run in the bg, then prepare to run in the | |
f941662f | 1707 | foreground, synchronously. */ |
362646f5 | 1708 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 1709 | { |
f941662f | 1710 | /* Simulate synchronous execution. */ |
6426a772 | 1711 | async_disable_stdin (); |
43ff13b4 | 1712 | } |
c906108c SS |
1713 | |
1714 | if (arg) | |
8a3fe4f8 | 1715 | error (_("The \"finish\" command does not take any arguments.")); |
c906108c | 1716 | |
206415a3 | 1717 | frame = get_prev_frame (get_selected_frame (_("No selected frame."))); |
c906108c | 1718 | if (frame == 0) |
8a3fe4f8 | 1719 | error (_("\"finish\" not meaningful in the outermost frame.")); |
c906108c SS |
1720 | |
1721 | clear_proceed_status (); | |
1722 | ||
edb3359d DJ |
1723 | /* Finishing from an inline frame is completely different. We don't |
1724 | try to show the "return value" - no way to locate it. So we do | |
1725 | not need a completion. */ | |
1726 | if (get_frame_type (get_selected_frame (_("No selected frame."))) | |
1727 | == INLINE_FRAME) | |
1728 | { | |
1729 | /* Claim we are stepping in the calling frame. An empty step | |
1730 | range means that we will stop once we aren't in a function | |
1731 | called by that frame. We don't use the magic "1" value for | |
1732 | step_range_end, because then infrun will think this is nexti, | |
1733 | and not step over the rest of this inlined function call. */ | |
1734 | struct thread_info *tp = inferior_thread (); | |
1735 | struct symtab_and_line empty_sal; | |
abbb1732 | 1736 | |
edb3359d DJ |
1737 | init_sal (&empty_sal); |
1738 | set_step_info (frame, empty_sal); | |
16c381f0 JK |
1739 | tp->control.step_range_start = get_frame_pc (frame); |
1740 | tp->control.step_range_end = tp->control.step_range_start; | |
1741 | tp->control.step_over_calls = STEP_OVER_ALL; | |
edb3359d DJ |
1742 | |
1743 | /* Print info on the selected frame, including level number but not | |
1744 | source. */ | |
1745 | if (from_tty) | |
1746 | { | |
1747 | printf_filtered (_("Run till exit from ")); | |
1748 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION); | |
1749 | } | |
1750 | ||
1751 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); | |
1752 | return; | |
1753 | } | |
1754 | ||
c906108c SS |
1755 | /* Find the function we will return from. */ |
1756 | ||
206415a3 | 1757 | function = find_pc_function (get_frame_pc (get_selected_frame (NULL))); |
c906108c | 1758 | |
f941662f MK |
1759 | /* Print info on the selected frame, including level number but not |
1760 | source. */ | |
c906108c SS |
1761 | if (from_tty) |
1762 | { | |
b2175913 MS |
1763 | if (execution_direction == EXEC_REVERSE) |
1764 | printf_filtered (_("Run back to call of ")); | |
1765 | else | |
1766 | printf_filtered (_("Run till exit from ")); | |
1767 | ||
b04f3ab4 | 1768 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION); |
c906108c SS |
1769 | } |
1770 | ||
b2175913 MS |
1771 | if (execution_direction == EXEC_REVERSE) |
1772 | finish_backward (function); | |
1773 | else | |
1774 | finish_forward (function, frame); | |
c906108c SS |
1775 | } |
1776 | \f | |
f941662f | 1777 | |
c906108c | 1778 | static void |
fba45db2 | 1779 | program_info (char *args, int from_tty) |
c906108c | 1780 | { |
347bddb7 PA |
1781 | bpstat bs; |
1782 | int num, stat; | |
1783 | struct thread_info *tp; | |
1784 | ptid_t ptid; | |
c5aa993b | 1785 | |
c906108c SS |
1786 | if (!target_has_execution) |
1787 | { | |
a3f17187 | 1788 | printf_filtered (_("The program being debugged is not being run.\n")); |
c906108c SS |
1789 | return; |
1790 | } | |
1791 | ||
347bddb7 PA |
1792 | if (non_stop) |
1793 | ptid = inferior_ptid; | |
1794 | else | |
1795 | { | |
1796 | struct target_waitstatus ws; | |
abbb1732 | 1797 | |
347bddb7 PA |
1798 | get_last_target_status (&ptid, &ws); |
1799 | } | |
1800 | ||
1801 | if (ptid_equal (ptid, null_ptid) || is_exited (ptid)) | |
1802 | error (_("Invalid selected thread.")); | |
1803 | else if (is_running (ptid)) | |
1804 | error (_("Selected thread is running.")); | |
1805 | ||
e09875d4 | 1806 | tp = find_thread_ptid (ptid); |
16c381f0 | 1807 | bs = tp->control.stop_bpstat; |
347bddb7 PA |
1808 | stat = bpstat_num (&bs, &num); |
1809 | ||
c906108c | 1810 | target_files_info (); |
5af949e3 UW |
1811 | printf_filtered (_("Program stopped at %s.\n"), |
1812 | paddress (target_gdbarch, stop_pc)); | |
16c381f0 | 1813 | if (tp->control.stop_step) |
a3f17187 | 1814 | printf_filtered (_("It stopped after being stepped.\n")); |
8671a17b | 1815 | else if (stat != 0) |
c906108c SS |
1816 | { |
1817 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 1818 | isn't as strange as it seems. */ |
8671a17b | 1819 | while (stat != 0) |
c906108c | 1820 | { |
8671a17b | 1821 | if (stat < 0) |
c906108c | 1822 | { |
3e43a32a MS |
1823 | printf_filtered (_("It stopped at a breakpoint " |
1824 | "that has since been deleted.\n")); | |
c906108c SS |
1825 | } |
1826 | else | |
a3f17187 | 1827 | printf_filtered (_("It stopped at breakpoint %d.\n"), num); |
8671a17b | 1828 | stat = bpstat_num (&bs, &num); |
c906108c SS |
1829 | } |
1830 | } | |
16c381f0 | 1831 | else if (tp->suspend.stop_signal != TARGET_SIGNAL_0) |
c906108c | 1832 | { |
a3f17187 | 1833 | printf_filtered (_("It stopped with signal %s, %s.\n"), |
16c381f0 JK |
1834 | target_signal_to_name (tp->suspend.stop_signal), |
1835 | target_signal_to_string (tp->suspend.stop_signal)); | |
c906108c SS |
1836 | } |
1837 | ||
1838 | if (!from_tty) | |
1839 | { | |
3e43a32a MS |
1840 | printf_filtered (_("Type \"info stack\" or \"info " |
1841 | "registers\" for more information.\n")); | |
c906108c SS |
1842 | } |
1843 | } | |
1844 | \f | |
1845 | static void | |
fba45db2 | 1846 | environment_info (char *var, int from_tty) |
c906108c SS |
1847 | { |
1848 | if (var) | |
1849 | { | |
3f81c18a | 1850 | char *val = get_in_environ (current_inferior ()->environment, var); |
abbb1732 | 1851 | |
c906108c SS |
1852 | if (val) |
1853 | { | |
1854 | puts_filtered (var); | |
1855 | puts_filtered (" = "); | |
1856 | puts_filtered (val); | |
1857 | puts_filtered ("\n"); | |
1858 | } | |
1859 | else | |
1860 | { | |
1861 | puts_filtered ("Environment variable \""); | |
1862 | puts_filtered (var); | |
1863 | puts_filtered ("\" not defined.\n"); | |
1864 | } | |
1865 | } | |
1866 | else | |
1867 | { | |
3f81c18a | 1868 | char **vector = environ_vector (current_inferior ()->environment); |
abbb1732 | 1869 | |
c906108c SS |
1870 | while (*vector) |
1871 | { | |
1872 | puts_filtered (*vector++); | |
1873 | puts_filtered ("\n"); | |
1874 | } | |
1875 | } | |
1876 | } | |
1877 | ||
1878 | static void | |
fba45db2 | 1879 | set_environment_command (char *arg, int from_tty) |
c906108c | 1880 | { |
52f0bd74 | 1881 | char *p, *val, *var; |
c906108c SS |
1882 | int nullset = 0; |
1883 | ||
1884 | if (arg == 0) | |
e2e0b3e5 | 1885 | error_no_arg (_("environment variable and value")); |
c906108c | 1886 | |
1777feb0 | 1887 | /* Find seperation between variable name and value. */ |
c906108c SS |
1888 | p = (char *) strchr (arg, '='); |
1889 | val = (char *) strchr (arg, ' '); | |
1890 | ||
1891 | if (p != 0 && val != 0) | |
1892 | { | |
1893 | /* We have both a space and an equals. If the space is before the | |
c5aa993b | 1894 | equals, walk forward over the spaces til we see a nonspace |
1777feb0 | 1895 | (possibly the equals). */ |
c906108c SS |
1896 | if (p > val) |
1897 | while (*val == ' ') | |
1898 | val++; | |
1899 | ||
1900 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 1901 | take the char following the spaces. */ |
c906108c SS |
1902 | if (p > val) |
1903 | p = val - 1; | |
1904 | } | |
1905 | else if (val != 0 && p == 0) | |
1906 | p = val; | |
1907 | ||
1908 | if (p == arg) | |
e2e0b3e5 | 1909 | error_no_arg (_("environment variable to set")); |
c906108c SS |
1910 | |
1911 | if (p == 0 || p[1] == 0) | |
1912 | { | |
1913 | nullset = 1; | |
1914 | if (p == 0) | |
1777feb0 | 1915 | p = arg + strlen (arg); /* So that savestring below will work. */ |
c906108c SS |
1916 | } |
1917 | else | |
1918 | { | |
1777feb0 | 1919 | /* Not setting variable value to null. */ |
c906108c SS |
1920 | val = p + 1; |
1921 | while (*val == ' ' || *val == '\t') | |
1922 | val++; | |
1923 | } | |
1924 | ||
c5aa993b JM |
1925 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
1926 | p--; | |
c906108c SS |
1927 | |
1928 | var = savestring (arg, p - arg); | |
1929 | if (nullset) | |
1930 | { | |
3e43a32a MS |
1931 | printf_filtered (_("Setting environment variable " |
1932 | "\"%s\" to null value.\n"), | |
a3f17187 | 1933 | var); |
3f81c18a | 1934 | set_in_environ (current_inferior ()->environment, var, ""); |
c906108c SS |
1935 | } |
1936 | else | |
3f81c18a | 1937 | set_in_environ (current_inferior ()->environment, var, val); |
b8c9b27d | 1938 | xfree (var); |
c906108c SS |
1939 | } |
1940 | ||
1941 | static void | |
fba45db2 | 1942 | unset_environment_command (char *var, int from_tty) |
c906108c SS |
1943 | { |
1944 | if (var == 0) | |
1945 | { | |
1946 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 1947 | Ask for confirmation if reading from the terminal. */ |
e2e0b3e5 | 1948 | if (!from_tty || query (_("Delete all environment variables? "))) |
c906108c | 1949 | { |
3f81c18a VP |
1950 | free_environ (current_inferior ()->environment); |
1951 | current_inferior ()->environment = make_environ (); | |
c906108c SS |
1952 | } |
1953 | } | |
1954 | else | |
3f81c18a | 1955 | unset_in_environ (current_inferior ()->environment, var); |
c906108c SS |
1956 | } |
1957 | ||
1777feb0 | 1958 | /* Handle the execution path (PATH variable). */ |
c906108c SS |
1959 | |
1960 | static const char path_var_name[] = "PATH"; | |
1961 | ||
c906108c | 1962 | static void |
fba45db2 | 1963 | path_info (char *args, int from_tty) |
c906108c SS |
1964 | { |
1965 | puts_filtered ("Executable and object file path: "); | |
3e43a32a MS |
1966 | puts_filtered (get_in_environ (current_inferior ()->environment, |
1967 | path_var_name)); | |
c906108c SS |
1968 | puts_filtered ("\n"); |
1969 | } | |
1970 | ||
1971 | /* Add zero or more directories to the front of the execution path. */ | |
1972 | ||
1973 | static void | |
fba45db2 | 1974 | path_command (char *dirname, int from_tty) |
c906108c SS |
1975 | { |
1976 | char *exec_path; | |
1977 | char *env; | |
abbb1732 | 1978 | |
c906108c | 1979 | dont_repeat (); |
3f81c18a | 1980 | env = get_in_environ (current_inferior ()->environment, path_var_name); |
1777feb0 | 1981 | /* Can be null if path is not set. */ |
c906108c SS |
1982 | if (!env) |
1983 | env = ""; | |
4fcf66da | 1984 | exec_path = xstrdup (env); |
c906108c | 1985 | mod_path (dirname, &exec_path); |
3f81c18a | 1986 | set_in_environ (current_inferior ()->environment, path_var_name, exec_path); |
b8c9b27d | 1987 | xfree (exec_path); |
c906108c | 1988 | if (from_tty) |
c5aa993b | 1989 | path_info ((char *) NULL, from_tty); |
c906108c | 1990 | } |
c906108c | 1991 | \f |
c5aa993b | 1992 | |
1777feb0 | 1993 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
1994 | registers (print_all == 1) or all non-float and non-vector |
1995 | registers (print_all == 0). | |
c906108c SS |
1996 | |
1997 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
1998 | register(s) one per line is good enough. If a different format is |
1999 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
2000 | regs), or there is an existing convention for showing all the | |
2001 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
2002 | provide that format. */ | |
c906108c | 2003 | |
666e11c5 | 2004 | void |
0ab7a791 AC |
2005 | default_print_registers_info (struct gdbarch *gdbarch, |
2006 | struct ui_file *file, | |
2007 | struct frame_info *frame, | |
2008 | int regnum, int print_all) | |
c906108c | 2009 | { |
0ab7a791 | 2010 | int i; |
a4bd449d UW |
2011 | const int numregs = gdbarch_num_regs (gdbarch) |
2012 | + gdbarch_num_pseudo_regs (gdbarch); | |
0ab7a791 | 2013 | |
c906108c SS |
2014 | for (i = 0; i < numregs; i++) |
2015 | { | |
29ec5263 PA |
2016 | struct type *regtype; |
2017 | struct value *val; | |
2018 | ||
4782dc19 AC |
2019 | /* Decide between printing all regs, non-float / vector regs, or |
2020 | specific reg. */ | |
c5aa993b JM |
2021 | if (regnum == -1) |
2022 | { | |
f9418c0f | 2023 | if (print_all) |
4782dc19 | 2024 | { |
f9418c0f | 2025 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 2026 | continue; |
f9418c0f AC |
2027 | } |
2028 | else | |
2029 | { | |
2030 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
2031 | continue; |
2032 | } | |
c5aa993b JM |
2033 | } |
2034 | else | |
2035 | { | |
2036 | if (i != regnum) | |
2037 | continue; | |
2038 | } | |
c906108c SS |
2039 | |
2040 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 2041 | processor, so don't display anything. */ |
a4bd449d UW |
2042 | if (gdbarch_register_name (gdbarch, i) == NULL |
2043 | || *(gdbarch_register_name (gdbarch, i)) == '\0') | |
c906108c SS |
2044 | continue; |
2045 | ||
a4bd449d | 2046 | fputs_filtered (gdbarch_register_name (gdbarch, i), file); |
c9f4d572 | 2047 | print_spaces_filtered (15 - strlen (gdbarch_register_name |
a4bd449d | 2048 | (gdbarch, i)), file); |
c906108c | 2049 | |
29ec5263 PA |
2050 | regtype = register_type (gdbarch, i); |
2051 | val = allocate_value (regtype); | |
2052 | ||
c906108c | 2053 | /* Get the data in raw format. */ |
29ec5263 | 2054 | if (! frame_register_read (frame, i, value_contents_raw (val))) |
c906108c | 2055 | { |
0ab7a791 | 2056 | fprintf_filtered (file, "*value not available*\n"); |
c906108c SS |
2057 | continue; |
2058 | } | |
2059 | ||
0ab7a791 AC |
2060 | /* If virtual format is floating, print it that way, and in raw |
2061 | hex. */ | |
29ec5263 PA |
2062 | if (TYPE_CODE (regtype) == TYPE_CODE_FLT |
2063 | || TYPE_CODE (regtype) == TYPE_CODE_DECFLOAT) | |
c906108c | 2064 | { |
0ab7a791 | 2065 | int j; |
79a45b7d | 2066 | struct value_print_options opts; |
29ec5263 | 2067 | const gdb_byte *valaddr = value_contents_for_printing (val); |
c906108c | 2068 | |
79a45b7d TT |
2069 | get_user_print_options (&opts); |
2070 | opts.deref_ref = 1; | |
29ec5263 PA |
2071 | |
2072 | val_print (regtype, | |
2073 | value_contents_for_printing (val), | |
2074 | value_embedded_offset (val), 0, | |
2075 | file, 0, val, &opts, current_language); | |
c906108c | 2076 | |
0ab7a791 | 2077 | fprintf_filtered (file, "\t(raw 0x"); |
a4bd449d | 2078 | for (j = 0; j < register_size (gdbarch, i); j++) |
c906108c | 2079 | { |
0ab7a791 | 2080 | int idx; |
abbb1732 | 2081 | |
a4bd449d | 2082 | if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) |
0ab7a791 AC |
2083 | idx = j; |
2084 | else | |
a4bd449d | 2085 | idx = register_size (gdbarch, i) - 1 - j; |
29ec5263 | 2086 | fprintf_filtered (file, "%02x", (unsigned char) valaddr[idx]); |
c906108c | 2087 | } |
0ab7a791 | 2088 | fprintf_filtered (file, ")"); |
c906108c | 2089 | } |
c906108c SS |
2090 | else |
2091 | { | |
79a45b7d TT |
2092 | struct value_print_options opts; |
2093 | ||
ab4327e0 | 2094 | /* Print the register in hex. */ |
79a45b7d TT |
2095 | get_formatted_print_options (&opts, 'x'); |
2096 | opts.deref_ref = 1; | |
29ec5263 PA |
2097 | val_print (regtype, |
2098 | value_contents_for_printing (val), | |
2099 | value_embedded_offset (val), 0, | |
2100 | file, 0, val, &opts, current_language); | |
ab4327e0 EZ |
2101 | /* If not a vector register, print it also according to its |
2102 | natural format. */ | |
29ec5263 | 2103 | if (TYPE_VECTOR (regtype) == 0) |
ab4327e0 | 2104 | { |
79a45b7d TT |
2105 | get_user_print_options (&opts); |
2106 | opts.deref_ref = 1; | |
9d84ac84 | 2107 | fprintf_filtered (file, "\t"); |
29ec5263 PA |
2108 | val_print (regtype, |
2109 | value_contents_for_printing (val), | |
2110 | value_embedded_offset (val), 0, | |
2111 | file, 0, val, &opts, current_language); | |
ab4327e0 | 2112 | } |
c906108c SS |
2113 | } |
2114 | ||
0ab7a791 | 2115 | fprintf_filtered (file, "\n"); |
c906108c SS |
2116 | } |
2117 | } | |
c906108c | 2118 | |
c906108c | 2119 | void |
fba45db2 | 2120 | registers_info (char *addr_exp, int fpregs) |
c906108c | 2121 | { |
206415a3 | 2122 | struct frame_info *frame; |
a4bd449d | 2123 | struct gdbarch *gdbarch; |
c906108c SS |
2124 | |
2125 | if (!target_has_registers) | |
8a3fe4f8 | 2126 | error (_("The program has no registers now.")); |
206415a3 | 2127 | frame = get_selected_frame (NULL); |
a4bd449d | 2128 | gdbarch = get_frame_arch (frame); |
c906108c SS |
2129 | |
2130 | if (!addr_exp) | |
2131 | { | |
a4bd449d | 2132 | gdbarch_print_registers_info (gdbarch, gdb_stdout, |
206415a3 | 2133 | frame, -1, fpregs); |
c906108c SS |
2134 | return; |
2135 | } | |
2136 | ||
f9418c0f | 2137 | while (*addr_exp != '\0') |
c5aa993b | 2138 | { |
f9418c0f AC |
2139 | char *start; |
2140 | const char *end; | |
c906108c | 2141 | |
f9418c0f AC |
2142 | /* Keep skipping leading white space. */ |
2143 | if (isspace ((*addr_exp))) | |
2144 | { | |
2145 | addr_exp++; | |
2146 | continue; | |
2147 | } | |
c906108c | 2148 | |
f9418c0f AC |
2149 | /* Discard any leading ``$''. Check that there is something |
2150 | resembling a register following it. */ | |
2151 | if (addr_exp[0] == '$') | |
2152 | addr_exp++; | |
2153 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
8a3fe4f8 | 2154 | error (_("Missing register name")); |
c906108c | 2155 | |
f9418c0f AC |
2156 | /* Find the start/end of this register name/num/group. */ |
2157 | start = addr_exp; | |
2158 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
2159 | addr_exp++; | |
2160 | end = addr_exp; | |
ad842144 | 2161 | |
f9418c0f AC |
2162 | /* Figure out what we've found and display it. */ |
2163 | ||
2164 | /* A register name? */ | |
2165 | { | |
029a67e4 | 2166 | int regnum = user_reg_map_name_to_regnum (gdbarch, start, end - start); |
abbb1732 | 2167 | |
f9418c0f AC |
2168 | if (regnum >= 0) |
2169 | { | |
ad842144 MR |
2170 | /* User registers lie completely outside of the range of |
2171 | normal registers. Catch them early so that the target | |
2172 | never sees them. */ | |
2173 | if (regnum >= gdbarch_num_regs (gdbarch) | |
2174 | + gdbarch_num_pseudo_regs (gdbarch)) | |
2175 | { | |
79a45b7d | 2176 | struct value_print_options opts; |
ad842144 MR |
2177 | struct value *val = value_of_user_reg (regnum, frame); |
2178 | ||
3af2590d | 2179 | printf_filtered ("%.*s: ", (int) (end - start), start); |
79a45b7d | 2180 | get_formatted_print_options (&opts, 'x'); |
ab2188aa PA |
2181 | val_print_scalar_formatted (check_typedef (value_type (val)), |
2182 | value_contents_for_printing (val), | |
2183 | value_embedded_offset (val), | |
2184 | val, | |
2185 | &opts, 0, gdb_stdout); | |
ad842144 MR |
2186 | printf_filtered ("\n"); |
2187 | } | |
2188 | else | |
2189 | gdbarch_print_registers_info (gdbarch, gdb_stdout, | |
2190 | frame, regnum, fpregs); | |
f9418c0f AC |
2191 | continue; |
2192 | } | |
2193 | } | |
ad842144 | 2194 | |
f9418c0f AC |
2195 | /* A register group? */ |
2196 | { | |
6c7d17ba | 2197 | struct reggroup *group; |
abbb1732 | 2198 | |
a4bd449d | 2199 | for (group = reggroup_next (gdbarch, NULL); |
6c7d17ba | 2200 | group != NULL; |
a4bd449d | 2201 | group = reggroup_next (gdbarch, group)) |
f9418c0f AC |
2202 | { |
2203 | /* Don't bother with a length check. Should the user | |
2204 | enter a short register group name, go with the first | |
2205 | group that matches. */ | |
6c7d17ba | 2206 | if (strncmp (start, reggroup_name (group), end - start) == 0) |
f9418c0f AC |
2207 | break; |
2208 | } | |
6c7d17ba | 2209 | if (group != NULL) |
f9418c0f AC |
2210 | { |
2211 | int regnum; | |
abbb1732 | 2212 | |
f57d151a | 2213 | for (regnum = 0; |
a4bd449d UW |
2214 | regnum < gdbarch_num_regs (gdbarch) |
2215 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2216 | regnum++) |
f9418c0f | 2217 | { |
a4bd449d UW |
2218 | if (gdbarch_register_reggroup_p (gdbarch, regnum, group)) |
2219 | gdbarch_print_registers_info (gdbarch, | |
206415a3 | 2220 | gdb_stdout, frame, |
f9418c0f AC |
2221 | regnum, fpregs); |
2222 | } | |
2223 | continue; | |
2224 | } | |
2225 | } | |
c906108c | 2226 | |
f9418c0f | 2227 | /* Nothing matched. */ |
8a3fe4f8 | 2228 | error (_("Invalid register `%.*s'"), (int) (end - start), start); |
c5aa993b | 2229 | } |
c906108c SS |
2230 | } |
2231 | ||
2232 | void | |
fba45db2 | 2233 | all_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
2234 | { |
2235 | registers_info (addr_exp, 1); | |
2236 | } | |
2237 | ||
a58dd373 | 2238 | static void |
fba45db2 | 2239 | nofp_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
2240 | { |
2241 | registers_info (addr_exp, 0); | |
2242 | } | |
e76f1f2e AC |
2243 | |
2244 | static void | |
d80b854b | 2245 | print_vector_info (struct ui_file *file, |
e76f1f2e AC |
2246 | struct frame_info *frame, const char *args) |
2247 | { | |
d80b854b UW |
2248 | struct gdbarch *gdbarch = get_frame_arch (frame); |
2249 | ||
e76f1f2e AC |
2250 | if (gdbarch_print_vector_info_p (gdbarch)) |
2251 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
2252 | else | |
2253 | { | |
2254 | int regnum; | |
2255 | int printed_something = 0; | |
ab4327e0 | 2256 | |
f57d151a | 2257 | for (regnum = 0; |
a4bd449d UW |
2258 | regnum < gdbarch_num_regs (gdbarch) |
2259 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2260 | regnum++) |
e76f1f2e | 2261 | { |
f9418c0f | 2262 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
2263 | { |
2264 | printed_something = 1; | |
e76f1f2e | 2265 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
2266 | } |
2267 | } | |
2268 | if (!printed_something) | |
2269 | fprintf_filtered (file, "No vector information\n"); | |
2270 | } | |
2271 | } | |
2272 | ||
2273 | static void | |
2274 | vector_info (char *args, int from_tty) | |
2275 | { | |
206415a3 DJ |
2276 | if (!target_has_registers) |
2277 | error (_("The program has no registers now.")); | |
2278 | ||
d80b854b | 2279 | print_vector_info (gdb_stdout, get_selected_frame (NULL), args); |
e76f1f2e | 2280 | } |
c906108c | 2281 | \f |
5fd62852 PA |
2282 | /* Kill the inferior process. Make us have no inferior. */ |
2283 | ||
2284 | static void | |
2285 | kill_command (char *arg, int from_tty) | |
2286 | { | |
2287 | /* FIXME: This should not really be inferior_ptid (or target_has_execution). | |
2288 | It should be a distinct flag that indicates that a target is active, cuz | |
1777feb0 | 2289 | some targets don't have processes! */ |
5fd62852 PA |
2290 | |
2291 | if (ptid_equal (inferior_ptid, null_ptid)) | |
2292 | error (_("The program is not being run.")); | |
2293 | if (!query (_("Kill the program being debugged? "))) | |
2294 | error (_("Not confirmed.")); | |
2295 | target_kill (); | |
2296 | ||
c35b1492 PA |
2297 | /* If we still have other inferiors to debug, then don't mess with |
2298 | with their threads. */ | |
2299 | if (!have_inferiors ()) | |
5fd62852 | 2300 | { |
1777feb0 | 2301 | init_thread_list (); /* Destroy thread info. */ |
5fd62852 PA |
2302 | |
2303 | /* Killing off the inferior can leave us with a core file. If | |
2304 | so, print the state we are left in. */ | |
2305 | if (target_has_stack) | |
2306 | { | |
2307 | printf_filtered (_("In %s,\n"), target_longname); | |
2308 | print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC); | |
2309 | } | |
2310 | } | |
2311 | bfd_cache_close_all (); | |
2312 | } | |
c5aa993b | 2313 | |
74531fed PA |
2314 | /* Used in `attach&' command. ARG is a point to an integer |
2315 | representing a process id. Proceed threads of this process iff | |
2316 | they stopped due to debugger request, and when they did, they | |
2317 | reported a clean stop (TARGET_SIGNAL_0). Do not proceed threads | |
2318 | that have been explicitly been told to stop. */ | |
2319 | ||
2320 | static int | |
2321 | proceed_after_attach_callback (struct thread_info *thread, | |
2322 | void *arg) | |
2323 | { | |
2324 | int pid = * (int *) arg; | |
2325 | ||
2326 | if (ptid_get_pid (thread->ptid) == pid | |
2327 | && !is_exited (thread->ptid) | |
2328 | && !is_executing (thread->ptid) | |
2329 | && !thread->stop_requested | |
16c381f0 | 2330 | && thread->suspend.stop_signal == TARGET_SIGNAL_0) |
74531fed PA |
2331 | { |
2332 | switch_to_thread (thread->ptid); | |
2333 | clear_proceed_status (); | |
2334 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); | |
2335 | } | |
2336 | ||
2337 | return 0; | |
2338 | } | |
2339 | ||
2340 | static void | |
2341 | proceed_after_attach (int pid) | |
2342 | { | |
2343 | /* Don't error out if the current thread is running, because | |
2344 | there may be other stopped threads. */ | |
2345 | struct cleanup *old_chain; | |
2346 | ||
2347 | /* Backup current thread and selected frame. */ | |
2348 | old_chain = make_cleanup_restore_current_thread (); | |
2349 | ||
2350 | iterate_over_threads (proceed_after_attach_callback, &pid); | |
2351 | ||
2352 | /* Restore selected ptid. */ | |
2353 | do_cleanups (old_chain); | |
2354 | } | |
2355 | ||
c906108c SS |
2356 | /* |
2357 | * TODO: | |
2358 | * Should save/restore the tty state since it might be that the | |
2359 | * program to be debugged was started on this tty and it wants | |
2360 | * the tty in some state other than what we want. If it's running | |
2361 | * on another terminal or without a terminal, then saving and | |
2362 | * restoring the tty state is a harmless no-op. | |
2363 | * This only needs to be done if we are attaching to a process. | |
2364 | */ | |
2365 | ||
1777feb0 | 2366 | /* attach_command -- |
c906108c SS |
2367 | takes a program started up outside of gdb and ``attaches'' to it. |
2368 | This stops it cold in its tracks and allows us to start debugging it. | |
2369 | and wait for the trace-trap that results from attaching. */ | |
2370 | ||
9356cf8d PA |
2371 | static void |
2372 | attach_command_post_wait (char *args, int from_tty, int async_exec) | |
2373 | { | |
2374 | char *exec_file; | |
2375 | char *full_exec_path = NULL; | |
d6b48e9c | 2376 | struct inferior *inferior; |
9356cf8d | 2377 | |
d6b48e9c | 2378 | inferior = current_inferior (); |
16c381f0 | 2379 | inferior->control.stop_soon = NO_STOP_QUIETLY; |
9356cf8d PA |
2380 | |
2381 | /* If no exec file is yet known, try to determine it from the | |
2382 | process itself. */ | |
2383 | exec_file = (char *) get_exec_file (0); | |
2384 | if (!exec_file) | |
2385 | { | |
2386 | exec_file = target_pid_to_exec_file (PIDGET (inferior_ptid)); | |
2387 | if (exec_file) | |
2388 | { | |
2389 | /* It's possible we don't have a full path, but rather just a | |
2390 | filename. Some targets, such as HP-UX, don't provide the | |
2391 | full path, sigh. | |
2392 | ||
2393 | Attempt to qualify the filename against the source path. | |
2394 | (If that fails, we'll just fall back on the original | |
1777feb0 MS |
2395 | filename. Not much more we can do...) */ |
2396 | ||
9356cf8d | 2397 | if (!source_full_path_of (exec_file, &full_exec_path)) |
1b36a34b | 2398 | full_exec_path = xstrdup (exec_file); |
9356cf8d PA |
2399 | |
2400 | exec_file_attach (full_exec_path, from_tty); | |
2401 | symbol_file_add_main (full_exec_path, from_tty); | |
2402 | } | |
2403 | } | |
2404 | else | |
2405 | { | |
2406 | reopen_exec_file (); | |
2407 | reread_symbols (); | |
2408 | } | |
2409 | ||
2410 | /* Take any necessary post-attaching actions for this platform. */ | |
2411 | target_post_attach (PIDGET (inferior_ptid)); | |
2412 | ||
2413 | post_create_inferior (¤t_target, from_tty); | |
2414 | ||
2415 | /* Install inferior's terminal modes. */ | |
2416 | target_terminal_inferior (); | |
2417 | ||
2418 | if (async_exec) | |
74531fed PA |
2419 | { |
2420 | /* The user requested an `attach&', so be sure to leave threads | |
2421 | that didn't get a signal running. */ | |
2422 | ||
2423 | /* Immediatelly resume all suspended threads of this inferior, | |
2424 | and this inferior only. This should have no effect on | |
2425 | already running threads. If a thread has been stopped with a | |
2426 | signal, leave it be. */ | |
2427 | if (non_stop) | |
2428 | proceed_after_attach (inferior->pid); | |
2429 | else | |
2430 | { | |
16c381f0 | 2431 | if (inferior_thread ()->suspend.stop_signal == TARGET_SIGNAL_0) |
74531fed PA |
2432 | { |
2433 | clear_proceed_status (); | |
2434 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); | |
2435 | } | |
2436 | } | |
2437 | } | |
9356cf8d PA |
2438 | else |
2439 | { | |
74531fed PA |
2440 | /* The user requested a plain `attach', so be sure to leave |
2441 | the inferior stopped. */ | |
2442 | ||
9356cf8d PA |
2443 | if (target_can_async_p ()) |
2444 | async_enable_stdin (); | |
74531fed PA |
2445 | |
2446 | /* At least the current thread is already stopped. */ | |
2447 | ||
2448 | /* In all-stop, by definition, all threads have to be already | |
2449 | stopped at this point. In non-stop, however, although the | |
2450 | selected thread is stopped, others may still be executing. | |
2451 | Be sure to explicitly stop all threads of the process. This | |
2452 | should have no effect on already stopped threads. */ | |
2453 | if (non_stop) | |
2454 | target_stop (pid_to_ptid (inferior->pid)); | |
2455 | ||
2456 | /* Tell the user/frontend where we're stopped. */ | |
9356cf8d PA |
2457 | normal_stop (); |
2458 | if (deprecated_attach_hook) | |
2459 | deprecated_attach_hook (); | |
2460 | } | |
2461 | } | |
2462 | ||
bfec99b2 | 2463 | struct attach_command_continuation_args |
9356cf8d PA |
2464 | { |
2465 | char *args; | |
2466 | int from_tty; | |
2467 | int async_exec; | |
bfec99b2 | 2468 | }; |
9356cf8d | 2469 | |
bfec99b2 | 2470 | static void |
fa4cd53f | 2471 | attach_command_continuation (void *args, int err) |
bfec99b2 PA |
2472 | { |
2473 | struct attach_command_continuation_args *a = args; | |
abbb1732 | 2474 | |
fa4cd53f PA |
2475 | if (err) |
2476 | return; | |
2477 | ||
bfec99b2 | 2478 | attach_command_post_wait (a->args, a->from_tty, a->async_exec); |
9356cf8d PA |
2479 | } |
2480 | ||
604ead4a PA |
2481 | static void |
2482 | attach_command_continuation_free_args (void *args) | |
2483 | { | |
2484 | struct attach_command_continuation_args *a = args; | |
abbb1732 | 2485 | |
604ead4a PA |
2486 | xfree (a->args); |
2487 | xfree (a); | |
2488 | } | |
2489 | ||
c906108c | 2490 | void |
fba45db2 | 2491 | attach_command (char *args, int from_tty) |
c906108c | 2492 | { |
9356cf8d | 2493 | int async_exec = 0; |
cb0362bb | 2494 | struct cleanup *back_to = make_cleanup (null_cleanup, NULL); |
c906108c | 2495 | |
c5aa993b | 2496 | dont_repeat (); /* Not for the faint of heart */ |
c906108c | 2497 | |
2567c7d9 PA |
2498 | if (gdbarch_has_global_solist (target_gdbarch)) |
2499 | /* Don't complain if all processes share the same symbol | |
2500 | space. */ | |
8a305172 PA |
2501 | ; |
2502 | else if (target_has_execution) | |
c906108c | 2503 | { |
9e2f0ad4 | 2504 | if (query (_("A program is being debugged already. Kill it? "))) |
c906108c SS |
2505 | target_kill (); |
2506 | else | |
8a3fe4f8 | 2507 | error (_("Not killed.")); |
c906108c SS |
2508 | } |
2509 | ||
fd79ecee DJ |
2510 | /* Clean up any leftovers from other runs. Some other things from |
2511 | this function should probably be moved into target_pre_inferior. */ | |
2512 | target_pre_inferior (from_tty); | |
2513 | ||
9908b566 VP |
2514 | if (non_stop && !target_supports_non_stop ()) |
2515 | error (_("Cannot attach to this target in non-stop mode")); | |
2516 | ||
9356cf8d PA |
2517 | if (args) |
2518 | { | |
2519 | async_exec = strip_bg_char (&args); | |
2520 | ||
2521 | /* If we get a request for running in the bg but the target | |
1777feb0 | 2522 | doesn't support it, error out. */ |
9356cf8d PA |
2523 | if (async_exec && !target_can_async_p ()) |
2524 | error (_("Asynchronous execution not supported on this target.")); | |
2525 | } | |
2526 | ||
2527 | /* If we don't get a request of running in the bg, then we need | |
2528 | to simulate synchronous (fg) execution. */ | |
2529 | if (!async_exec && target_can_async_p ()) | |
2530 | { | |
1777feb0 | 2531 | /* Simulate synchronous execution. */ |
9356cf8d | 2532 | async_disable_stdin (); |
cb0362bb | 2533 | make_cleanup ((make_cleanup_ftype *)async_enable_stdin, NULL); |
9356cf8d PA |
2534 | } |
2535 | ||
c906108c SS |
2536 | target_attach (args, from_tty); |
2537 | ||
2538 | /* Set up the "saved terminal modes" of the inferior | |
2539 | based on what modes we are starting it with. */ | |
2540 | target_terminal_init (); | |
2541 | ||
c906108c SS |
2542 | /* Set up execution context to know that we should return from |
2543 | wait_for_inferior as soon as the target reports a stop. */ | |
2544 | init_wait_for_inferior (); | |
2545 | clear_proceed_status (); | |
c906108c | 2546 | |
74531fed PA |
2547 | if (non_stop) |
2548 | { | |
2549 | /* If we find that the current thread isn't stopped, explicitly | |
2550 | do so now, because we're going to install breakpoints and | |
2551 | poke at memory. */ | |
2552 | ||
2553 | if (async_exec) | |
2554 | /* The user requested an `attach&'; stop just one thread. */ | |
2555 | target_stop (inferior_ptid); | |
2556 | else | |
2557 | /* The user requested an `attach', so stop all threads of this | |
2558 | inferior. */ | |
2559 | target_stop (pid_to_ptid (ptid_get_pid (inferior_ptid))); | |
2560 | } | |
2561 | ||
dc177b7a PA |
2562 | /* Some system don't generate traps when attaching to inferior. |
2563 | E.g. Mach 3 or GNU hurd. */ | |
2564 | if (!target_attach_no_wait) | |
c5aa993b | 2565 | { |
d6b48e9c PA |
2566 | struct inferior *inferior = current_inferior (); |
2567 | ||
1777feb0 | 2568 | /* Careful here. See comments in inferior.h. Basically some |
dc177b7a PA |
2569 | OSes don't ignore SIGSTOPs on continue requests anymore. We |
2570 | need a way for handle_inferior_event to reset the stop_signal | |
2571 | variable after an attach, and this is what | |
2572 | STOP_QUIETLY_NO_SIGSTOP is for. */ | |
16c381f0 | 2573 | inferior->control.stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c5aa993b | 2574 | |
dc177b7a PA |
2575 | if (target_can_async_p ()) |
2576 | { | |
2577 | /* sync_execution mode. Wait for stop. */ | |
bfec99b2 PA |
2578 | struct attach_command_continuation_args *a; |
2579 | ||
2580 | a = xmalloc (sizeof (*a)); | |
2581 | a->args = xstrdup (args); | |
2582 | a->from_tty = from_tty; | |
2583 | a->async_exec = async_exec; | |
e0ba6746 PA |
2584 | add_inferior_continuation (attach_command_continuation, a, |
2585 | attach_command_continuation_free_args); | |
cb0362bb | 2586 | discard_cleanups (back_to); |
dc177b7a PA |
2587 | return; |
2588 | } | |
c906108c | 2589 | |
e4c8541f | 2590 | wait_for_inferior (); |
dc177b7a | 2591 | } |
6426a772 | 2592 | |
9356cf8d | 2593 | attach_command_post_wait (args, from_tty, async_exec); |
cb0362bb | 2594 | discard_cleanups (back_to); |
c906108c SS |
2595 | } |
2596 | ||
1941c569 PA |
2597 | /* We had just found out that the target was already attached to an |
2598 | inferior. PTID points at a thread of this new inferior, that is | |
2599 | the most likely to be stopped right now, but not necessarily so. | |
2600 | The new inferior is assumed to be already added to the inferior | |
2601 | list at this point. If LEAVE_RUNNING, then leave the threads of | |
2602 | this inferior running, except those we've explicitly seen reported | |
2603 | as stopped. */ | |
2604 | ||
2605 | void | |
2606 | notice_new_inferior (ptid_t ptid, int leave_running, int from_tty) | |
2607 | { | |
2608 | struct cleanup* old_chain; | |
2609 | int async_exec; | |
2610 | ||
2611 | old_chain = make_cleanup (null_cleanup, NULL); | |
2612 | ||
2613 | /* If in non-stop, leave threads as running as they were. If | |
2614 | they're stopped for some reason other than us telling it to, the | |
2615 | target reports a signal != TARGET_SIGNAL_0. We don't try to | |
2616 | resume threads with such a stop signal. */ | |
2617 | async_exec = non_stop; | |
2618 | ||
2619 | if (!ptid_equal (inferior_ptid, null_ptid)) | |
2620 | make_cleanup_restore_current_thread (); | |
2621 | ||
2622 | switch_to_thread (ptid); | |
2623 | ||
2624 | /* When we "notice" a new inferior we need to do all the things we | |
2625 | would normally do if we had just attached to it. */ | |
2626 | ||
2627 | if (is_executing (inferior_ptid)) | |
2628 | { | |
2629 | struct inferior *inferior = current_inferior (); | |
2630 | ||
2631 | /* We're going to install breakpoints, and poke at memory, | |
2632 | ensure that the inferior is stopped for a moment while we do | |
2633 | that. */ | |
2634 | target_stop (inferior_ptid); | |
2635 | ||
16c381f0 | 2636 | inferior->control.stop_soon = STOP_QUIETLY_REMOTE; |
1941c569 PA |
2637 | |
2638 | /* Wait for stop before proceeding. */ | |
2639 | if (target_can_async_p ()) | |
2640 | { | |
2641 | struct attach_command_continuation_args *a; | |
2642 | ||
2643 | a = xmalloc (sizeof (*a)); | |
2644 | a->args = xstrdup (""); | |
2645 | a->from_tty = from_tty; | |
2646 | a->async_exec = async_exec; | |
2647 | add_inferior_continuation (attach_command_continuation, a, | |
2648 | attach_command_continuation_free_args); | |
2649 | ||
2650 | do_cleanups (old_chain); | |
2651 | return; | |
2652 | } | |
2653 | else | |
e4c8541f | 2654 | wait_for_inferior (); |
1941c569 PA |
2655 | } |
2656 | ||
2657 | async_exec = leave_running; | |
2658 | attach_command_post_wait ("" /* args */, from_tty, async_exec); | |
2659 | ||
2660 | do_cleanups (old_chain); | |
2661 | } | |
2662 | ||
c906108c SS |
2663 | /* |
2664 | * detach_command -- | |
2665 | * takes a program previously attached to and detaches it. | |
2666 | * The program resumes execution and will no longer stop | |
2667 | * on signals, etc. We better not have left any breakpoints | |
2668 | * in the program or it'll die when it hits one. For this | |
2669 | * to work, it may be necessary for the process to have been | |
2670 | * previously attached. It *might* work if the program was | |
2671 | * started via the normal ptrace (PTRACE_TRACEME). | |
2672 | */ | |
2673 | ||
6418d433 | 2674 | void |
fba45db2 | 2675 | detach_command (char *args, int from_tty) |
c906108c | 2676 | { |
1f5d0fc9 | 2677 | dont_repeat (); /* Not for the faint of heart. */ |
d729566a PA |
2678 | |
2679 | if (ptid_equal (inferior_ptid, null_ptid)) | |
2680 | error (_("The program is not being run.")); | |
2681 | ||
33da3f1c | 2682 | disconnect_tracing (from_tty); |
d5551862 | 2683 | |
c906108c | 2684 | target_detach (args, from_tty); |
50c71eaf PA |
2685 | |
2686 | /* If the solist is global across inferiors, don't clear it when we | |
2687 | detach from a single inferior. */ | |
2688 | if (!gdbarch_has_global_solist (target_gdbarch)) | |
2689 | no_shared_libraries (NULL, from_tty); | |
8a305172 | 2690 | |
c35b1492 PA |
2691 | /* If we still have inferiors to debug, then don't mess with their |
2692 | threads. */ | |
2693 | if (!have_inferiors ()) | |
8a305172 PA |
2694 | init_thread_list (); |
2695 | ||
9a4105ab AC |
2696 | if (deprecated_detach_hook) |
2697 | deprecated_detach_hook (); | |
c906108c SS |
2698 | } |
2699 | ||
6ad8ae5c DJ |
2700 | /* Disconnect from the current target without resuming it (leaving it |
2701 | waiting for a debugger). | |
2702 | ||
2703 | We'd better not have left any breakpoints in the program or the | |
2704 | next debugger will get confused. Currently only supported for some | |
2705 | remote targets, since the normal attach mechanisms don't work on | |
2706 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
2707 | ||
2708 | static void | |
2709 | disconnect_command (char *args, int from_tty) | |
2710 | { | |
1777feb0 | 2711 | dont_repeat (); /* Not for the faint of heart. */ |
d31647d2 | 2712 | disconnect_tracing (from_tty); |
6ad8ae5c | 2713 | target_disconnect (args, from_tty); |
e85a822c | 2714 | no_shared_libraries (NULL, from_tty); |
a0ef4274 | 2715 | init_thread_list (); |
9a4105ab AC |
2716 | if (deprecated_detach_hook) |
2717 | deprecated_detach_hook (); | |
6ad8ae5c DJ |
2718 | } |
2719 | ||
77ebaa5a VP |
2720 | void |
2721 | interrupt_target_1 (int all_threads) | |
2722 | { | |
2723 | ptid_t ptid; | |
abbb1732 | 2724 | |
77ebaa5a VP |
2725 | if (all_threads) |
2726 | ptid = minus_one_ptid; | |
2727 | else | |
2728 | ptid = inferior_ptid; | |
2729 | target_stop (ptid); | |
252fbfc8 PA |
2730 | |
2731 | /* Tag the thread as having been explicitly requested to stop, so | |
2732 | other parts of gdb know not to resume this thread automatically, | |
2733 | if it was stopped due to an internal event. Limit this to | |
2734 | non-stop mode, as when debugging a multi-threaded application in | |
2735 | all-stop mode, we will only get one stop event --- it's undefined | |
2736 | which thread will report the event. */ | |
2737 | if (non_stop) | |
2738 | set_stop_requested (ptid, 1); | |
77ebaa5a VP |
2739 | } |
2740 | ||
43ff13b4 | 2741 | /* Stop the execution of the target while running in async mode, in |
8cae4b3f PA |
2742 | the backgound. In all-stop, stop the whole process. In non-stop |
2743 | mode, stop the current thread only by default, or stop all threads | |
2744 | if the `-a' switch is used. */ | |
2745 | ||
2746 | /* interrupt [-a] */ | |
8b93c638 | 2747 | void |
fba45db2 | 2748 | interrupt_target_command (char *args, int from_tty) |
43ff13b4 | 2749 | { |
362646f5 | 2750 | if (target_can_async_p ()) |
43ff13b4 | 2751 | { |
8cae4b3f PA |
2752 | int all_threads = 0; |
2753 | ||
1777feb0 | 2754 | dont_repeat (); /* Not for the faint of heart. */ |
94cc34af | 2755 | |
8cae4b3f PA |
2756 | if (args != NULL |
2757 | && strncmp (args, "-a", sizeof ("-a") - 1) == 0) | |
2758 | all_threads = 1; | |
2759 | ||
2760 | if (!non_stop && all_threads) | |
2761 | error (_("-a is meaningless in all-stop mode.")); | |
2762 | ||
77ebaa5a | 2763 | interrupt_target_1 (all_threads); |
43ff13b4 JM |
2764 | } |
2765 | } | |
2766 | ||
c906108c | 2767 | static void |
d80b854b | 2768 | print_float_info (struct ui_file *file, |
23e3a7ac | 2769 | struct frame_info *frame, const char *args) |
c906108c | 2770 | { |
d80b854b UW |
2771 | struct gdbarch *gdbarch = get_frame_arch (frame); |
2772 | ||
23e3a7ac AC |
2773 | if (gdbarch_print_float_info_p (gdbarch)) |
2774 | gdbarch_print_float_info (gdbarch, file, frame, args); | |
2775 | else | |
2776 | { | |
23e3a7ac AC |
2777 | int regnum; |
2778 | int printed_something = 0; | |
ab4327e0 | 2779 | |
f57d151a | 2780 | for (regnum = 0; |
a4bd449d UW |
2781 | regnum < gdbarch_num_regs (gdbarch) |
2782 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2783 | regnum++) |
23e3a7ac | 2784 | { |
f9418c0f | 2785 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac AC |
2786 | { |
2787 | printed_something = 1; | |
23e3a7ac | 2788 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
23e3a7ac AC |
2789 | } |
2790 | } | |
2791 | if (!printed_something) | |
3e43a32a MS |
2792 | fprintf_filtered (file, "No floating-point info " |
2793 | "available for this processor.\n"); | |
23e3a7ac AC |
2794 | } |
2795 | } | |
2796 | ||
2797 | static void | |
2798 | float_info (char *args, int from_tty) | |
2799 | { | |
206415a3 DJ |
2800 | if (!target_has_registers) |
2801 | error (_("The program has no registers now.")); | |
2802 | ||
d80b854b | 2803 | print_float_info (gdb_stdout, get_selected_frame (NULL), args); |
c906108c SS |
2804 | } |
2805 | \f | |
c906108c | 2806 | static void |
fba45db2 | 2807 | unset_command (char *args, int from_tty) |
c906108c | 2808 | { |
3e43a32a MS |
2809 | printf_filtered (_("\"unset\" must be followed by the " |
2810 | "name of an unset subcommand.\n")); | |
c906108c SS |
2811 | help_list (unsetlist, "unset ", -1, gdb_stdout); |
2812 | } | |
2813 | ||
145b16a9 UW |
2814 | /* Implement `info proc' family of commands. */ |
2815 | ||
2816 | static void | |
2817 | info_proc_cmd_1 (char *args, enum info_proc_what what, int from_tty) | |
2818 | { | |
3030c96e UW |
2819 | struct gdbarch *gdbarch = get_current_arch (); |
2820 | ||
2821 | if (gdbarch_info_proc_p (gdbarch)) | |
2822 | gdbarch_info_proc (gdbarch, args, what); | |
2823 | else | |
2824 | target_info_proc (args, what); | |
145b16a9 UW |
2825 | } |
2826 | ||
2827 | /* Implement `info proc' when given without any futher parameters. */ | |
2828 | ||
2829 | static void | |
2830 | info_proc_cmd (char *args, int from_tty) | |
2831 | { | |
2832 | info_proc_cmd_1 (args, IP_MINIMAL, from_tty); | |
2833 | } | |
2834 | ||
2835 | /* Implement `info proc mappings'. */ | |
2836 | ||
2837 | static void | |
2838 | info_proc_cmd_mappings (char *args, int from_tty) | |
2839 | { | |
2840 | info_proc_cmd_1 (args, IP_MAPPINGS, from_tty); | |
2841 | } | |
2842 | ||
2843 | /* Implement `info proc stat'. */ | |
2844 | ||
2845 | static void | |
2846 | info_proc_cmd_stat (char *args, int from_tty) | |
2847 | { | |
2848 | info_proc_cmd_1 (args, IP_STAT, from_tty); | |
2849 | } | |
2850 | ||
2851 | /* Implement `info proc status'. */ | |
2852 | ||
2853 | static void | |
2854 | info_proc_cmd_status (char *args, int from_tty) | |
2855 | { | |
2856 | info_proc_cmd_1 (args, IP_STATUS, from_tty); | |
2857 | } | |
2858 | ||
2859 | /* Implement `info proc cwd'. */ | |
2860 | ||
2861 | static void | |
2862 | info_proc_cmd_cwd (char *args, int from_tty) | |
2863 | { | |
2864 | info_proc_cmd_1 (args, IP_CWD, from_tty); | |
2865 | } | |
2866 | ||
2867 | /* Implement `info proc cmdline'. */ | |
2868 | ||
2869 | static void | |
2870 | info_proc_cmd_cmdline (char *args, int from_tty) | |
2871 | { | |
2872 | info_proc_cmd_1 (args, IP_CMDLINE, from_tty); | |
2873 | } | |
2874 | ||
2875 | /* Implement `info proc exe'. */ | |
2876 | ||
2877 | static void | |
2878 | info_proc_cmd_exe (char *args, int from_tty) | |
2879 | { | |
2880 | info_proc_cmd_1 (args, IP_EXE, from_tty); | |
2881 | } | |
2882 | ||
2883 | /* Implement `info proc all'. */ | |
2884 | ||
2885 | static void | |
2886 | info_proc_cmd_all (char *args, int from_tty) | |
2887 | { | |
2888 | info_proc_cmd_1 (args, IP_ALL, from_tty); | |
2889 | } | |
2890 | ||
c906108c | 2891 | void |
fba45db2 | 2892 | _initialize_infcmd (void) |
c906108c | 2893 | { |
145b16a9 | 2894 | static struct cmd_list_element *info_proc_cmdlist; |
3cb3b8df BR |
2895 | struct cmd_list_element *c = NULL; |
2896 | ||
1777feb0 | 2897 | /* Add the filename of the terminal connected to inferior I/O. */ |
3cb3b8df | 2898 | add_setshow_filename_cmd ("inferior-tty", class_run, |
3f81c18a | 2899 | &inferior_io_terminal_scratch, _("\ |
3cb3b8df BR |
2900 | Set terminal for future runs of program being debugged."), _("\ |
2901 | Show terminal for future runs of program being debugged."), _("\ | |
3f81c18a VP |
2902 | Usage: set inferior-tty /dev/pts/1"), |
2903 | set_inferior_tty_command, | |
2904 | show_inferior_tty_command, | |
2905 | &setlist, &showlist); | |
3cb3b8df | 2906 | add_com_alias ("tty", "set inferior-tty", class_alias, 0); |
c906108c | 2907 | |
b4b4ac0b | 2908 | add_setshow_optional_filename_cmd ("args", class_run, |
3f81c18a | 2909 | &inferior_args_scratch, _("\ |
b4b4ac0b AC |
2910 | Set argument list to give program being debugged when it is started."), _("\ |
2911 | Show argument list to give program being debugged when it is started."), _("\ | |
2912 | Follow this command with any number of args, to be passed to the program."), | |
3f81c18a VP |
2913 | set_args_command, |
2914 | show_args_command, | |
b4b4ac0b | 2915 | &setlist, &showlist); |
c906108c | 2916 | |
1a966eab AC |
2917 | c = add_cmd ("environment", no_class, environment_info, _("\ |
2918 | The environment to give the program, or one variable's value.\n\ | |
c906108c SS |
2919 | With an argument VAR, prints the value of environment variable VAR to\n\ |
2920 | give the program being debugged. With no arguments, prints the entire\n\ | |
1a966eab | 2921 | environment to be given to the program."), &showlist); |
5ba2abeb | 2922 | set_cmd_completer (c, noop_completer); |
c906108c SS |
2923 | |
2924 | add_prefix_cmd ("unset", no_class, unset_command, | |
1bedd215 | 2925 | _("Complement to certain \"set\" commands."), |
c906108c | 2926 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 2927 | |
1a966eab AC |
2928 | c = add_cmd ("environment", class_run, unset_environment_command, _("\ |
2929 | Cancel environment variable VAR for the program.\n\ | |
2930 | This does not affect the program until the next \"run\" command."), | |
c5aa993b | 2931 | &unsetlist); |
5ba2abeb | 2932 | set_cmd_completer (c, noop_completer); |
c906108c | 2933 | |
1a966eab AC |
2934 | c = add_cmd ("environment", class_run, set_environment_command, _("\ |
2935 | Set environment variable value to give the program.\n\ | |
c906108c SS |
2936 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ |
2937 | VALUES of environment variables are uninterpreted strings.\n\ | |
1a966eab | 2938 | This does not affect the program until the next \"run\" command."), |
c5aa993b | 2939 | &setlist); |
5ba2abeb | 2940 | set_cmd_completer (c, noop_completer); |
c5aa993b | 2941 | |
1bedd215 AC |
2942 | c = add_com ("path", class_files, path_command, _("\ |
2943 | Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
2944 | $cwd in the path means the current working directory.\n\ |
2945 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2946 | directories, separated by colons. These directories are searched to find\n\ | |
3e43a32a MS |
2947 | fully linked executable files and separately compiled object files as \ |
2948 | needed.")); | |
5ba2abeb | 2949 | set_cmd_completer (c, filename_completer); |
c906108c | 2950 | |
1a966eab AC |
2951 | c = add_cmd ("paths", no_class, path_info, _("\ |
2952 | Current search path for finding object files.\n\ | |
c906108c SS |
2953 | $cwd in the path means the current working directory.\n\ |
2954 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2955 | directories, separated by colons. These directories are searched to find\n\ | |
3e43a32a MS |
2956 | fully linked executable files and separately compiled object files as \ |
2957 | needed."), | |
c906108c | 2958 | &showlist); |
5ba2abeb | 2959 | set_cmd_completer (c, noop_completer); |
c906108c | 2960 | |
2277426b PA |
2961 | add_prefix_cmd ("kill", class_run, kill_command, |
2962 | _("Kill execution of program being debugged."), | |
2963 | &killlist, "kill ", 0, &cmdlist); | |
5fd62852 | 2964 | |
1bedd215 AC |
2965 | add_com ("attach", class_run, attach_command, _("\ |
2966 | Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
2967 | This command attaches to another target, of the same type as your last\n\ |
2968 | \"target\" command (\"info files\" will show your target stack).\n\ | |
2969 | The command may take as argument a process id or a device file.\n\ | |
2970 | For a process id, you must have permission to send the process a signal,\n\ | |
2971 | and it must have the same effective uid as the debugger.\n\ | |
2972 | When using \"attach\" with a process id, the debugger finds the\n\ | |
2973 | program running in the process, looking first in the current working\n\ | |
2974 | directory, or (if not found there) using the source file search path\n\ | |
2975 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
1bedd215 | 2976 | to specify the program, and to load its symbol table.")); |
c906108c | 2977 | |
f73adfeb | 2978 | add_prefix_cmd ("detach", class_run, detach_command, _("\ |
1bedd215 | 2979 | Detach a process or file previously attached.\n\ |
c906108c | 2980 | If a process, it is no longer traced, and it continues its execution. If\n\ |
f73adfeb AS |
2981 | you were debugging a file, the file is closed and gdb no longer accesses it."), |
2982 | &detachlist, "detach ", 0, &cmdlist); | |
c906108c | 2983 | |
1bedd215 AC |
2984 | add_com ("disconnect", class_run, disconnect_command, _("\ |
2985 | Disconnect from a target.\n\ | |
6ad8ae5c | 2986 | The target will wait for another debugger to connect. Not available for\n\ |
1bedd215 | 2987 | all targets.")); |
6ad8ae5c | 2988 | |
1bedd215 AC |
2989 | add_com ("signal", class_run, signal_command, _("\ |
2990 | Continue program giving it signal specified by the argument.\n\ | |
2991 | An argument of \"0\" means continue program without giving it a signal.")); | |
c906108c | 2992 | |
1bedd215 AC |
2993 | add_com ("stepi", class_run, stepi_command, _("\ |
2994 | Step one instruction exactly.\n\ | |
3e43a32a MS |
2995 | Argument N means do this N times (or till program stops for another \ |
2996 | reason).")); | |
c906108c SS |
2997 | add_com_alias ("si", "stepi", class_alias, 0); |
2998 | ||
1bedd215 AC |
2999 | add_com ("nexti", class_run, nexti_command, _("\ |
3000 | Step one instruction, but proceed through subroutine calls.\n\ | |
3e43a32a MS |
3001 | Argument N means do this N times (or till program stops for another \ |
3002 | reason).")); | |
c906108c SS |
3003 | add_com_alias ("ni", "nexti", class_alias, 0); |
3004 | ||
1bedd215 AC |
3005 | add_com ("finish", class_run, finish_command, _("\ |
3006 | Execute until selected stack frame returns.\n\ | |
3007 | Upon return, the value returned is printed and put in the value history.")); | |
0e479716 | 3008 | add_com_alias ("fin", "finish", class_run, 1); |
c906108c | 3009 | |
1bedd215 AC |
3010 | add_com ("next", class_run, next_command, _("\ |
3011 | Step program, proceeding through subroutine calls.\n\ | |
c906108c SS |
3012 | Like the \"step\" command as long as subroutine calls do not happen;\n\ |
3013 | when they do, the call is treated as one instruction.\n\ | |
3e43a32a MS |
3014 | Argument N means do this N times (or till program stops for another \ |
3015 | reason).")); | |
c906108c SS |
3016 | add_com_alias ("n", "next", class_run, 1); |
3017 | if (xdb_commands) | |
c5aa993b | 3018 | add_com_alias ("S", "next", class_run, 1); |
c906108c | 3019 | |
1bedd215 AC |
3020 | add_com ("step", class_run, step_command, _("\ |
3021 | Step program until it reaches a different source line.\n\ | |
3e43a32a MS |
3022 | Argument N means do this N times (or till program stops for another \ |
3023 | reason).")); | |
c906108c SS |
3024 | add_com_alias ("s", "step", class_run, 1); |
3025 | ||
1bedd215 AC |
3026 | c = add_com ("until", class_run, until_command, _("\ |
3027 | Execute until the program reaches a source line greater than the current\n\ | |
3e43a32a MS |
3028 | or a specified location (same args as break command) within the current \ |
3029 | frame.")); | |
5ba2abeb | 3030 | set_cmd_completer (c, location_completer); |
c906108c | 3031 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 3032 | |
1bedd215 | 3033 | c = add_com ("advance", class_run, advance_command, _("\ |
3e43a32a MS |
3034 | Continue the program up to the given location (same form as args for break \ |
3035 | command).\n\ | |
1bedd215 | 3036 | Execution will also stop upon exit from the current stack frame.")); |
ae66c1fc EZ |
3037 | set_cmd_completer (c, location_completer); |
3038 | ||
1bedd215 AC |
3039 | c = add_com ("jump", class_run, jump_command, _("\ |
3040 | Continue program being debugged at specified line or address.\n\ | |
c906108c | 3041 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
1bedd215 | 3042 | for an address to start at.")); |
5ba2abeb | 3043 | set_cmd_completer (c, location_completer); |
c906108c | 3044 | |
b83266a0 | 3045 | if (xdb_commands) |
c94fdfd0 | 3046 | { |
1bedd215 AC |
3047 | c = add_com ("go", class_run, go_command, _("\ |
3048 | Usage: go <location>\n\ | |
c906108c SS |
3049 | Continue program being debugged, stopping at specified line or \n\ |
3050 | address.\n\ | |
3051 | Give as argument either LINENUM or *ADDR, where ADDR is an \n\ | |
3052 | expression for an address to start at.\n\ | |
1bedd215 | 3053 | This command is a combination of tbreak and jump.")); |
5ba2abeb | 3054 | set_cmd_completer (c, location_completer); |
c94fdfd0 | 3055 | } |
b83266a0 | 3056 | |
c906108c | 3057 | if (xdb_commands) |
c5aa993b | 3058 | add_com_alias ("g", "go", class_run, 1); |
c906108c | 3059 | |
df983543 | 3060 | add_com ("continue", class_run, continue_command, _("\ |
1bedd215 | 3061 | Continue program being debugged, after signal or breakpoint.\n\ |
c906108c SS |
3062 | If proceeding from breakpoint, a number N may be used as an argument,\n\ |
3063 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
8cae4b3f PA |
3064 | the breakpoint won't break until the Nth time it is reached).\n\ |
3065 | \n\ | |
3066 | If non-stop mode is enabled, continue only the current thread,\n\ | |
3067 | otherwise all the threads in the program are continued. To \n\ | |
3068 | continue all stopped threads in non-stop mode, use the -a option.\n\ | |
3069 | Specifying -a and an ignore count simultaneously is an error.")); | |
c906108c SS |
3070 | add_com_alias ("c", "cont", class_run, 1); |
3071 | add_com_alias ("fg", "cont", class_run, 1); | |
3072 | ||
1bedd215 AC |
3073 | c = add_com ("run", class_run, run_command, _("\ |
3074 | Start debugged program. You may specify arguments to give it.\n\ | |
c906108c | 3075 | Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\ |
3e43a32a MS |
3076 | Input and output redirection with \">\", \"<\", or \">>\" are also \ |
3077 | allowed.\n\n\ | |
3078 | With no arguments, uses arguments last specified (with \"run\" \ | |
3079 | or \"set args\").\n\ | |
c906108c | 3080 | To cancel previous arguments and run with no arguments,\n\ |
1bedd215 | 3081 | use \"set args\" without arguments.")); |
5ba2abeb | 3082 | set_cmd_completer (c, filename_completer); |
c906108c SS |
3083 | add_com_alias ("r", "run", class_run, 1); |
3084 | if (xdb_commands) | |
3085 | add_com ("R", class_run, run_no_args_command, | |
1bedd215 | 3086 | _("Start debugged program with no arguments.")); |
c906108c | 3087 | |
1bedd215 | 3088 | c = add_com ("start", class_run, start_command, _("\ |
a4d5f2e0 JB |
3089 | Run the debugged program until the beginning of the main procedure.\n\ |
3090 | You may specify arguments to give to your program, just as with the\n\ | |
1bedd215 | 3091 | \"run\" command.")); |
a4d5f2e0 JB |
3092 | set_cmd_completer (c, filename_completer); |
3093 | ||
df983543 MS |
3094 | add_com ("interrupt", class_run, interrupt_target_command, |
3095 | _("Interrupt the execution of the debugged program.\n\ | |
8cae4b3f PA |
3096 | If non-stop mode is enabled, interrupt only the current thread,\n\ |
3097 | otherwise all the threads in the program are stopped. To \n\ | |
3098 | interrupt all running threads in non-stop mode, use the -a option.")); | |
43ff13b4 | 3099 | |
1bedd215 AC |
3100 | add_info ("registers", nofp_registers_info, _("\ |
3101 | List of integer registers and their contents, for selected stack frame.\n\ | |
3102 | Register name as argument means describe only that register.")); | |
7194c49b | 3103 | add_info_alias ("r", "registers", 1); |
c906108c SS |
3104 | |
3105 | if (xdb_commands) | |
1bedd215 AC |
3106 | add_com ("lr", class_info, nofp_registers_info, _("\ |
3107 | List of integer registers and their contents, for selected stack frame.\n\ | |
3108 | Register name as argument means describe only that register.")); | |
3109 | add_info ("all-registers", all_registers_info, _("\ | |
3110 | List of all registers and their contents, for selected stack frame.\n\ | |
3111 | Register name as argument means describe only that register.")); | |
c906108c SS |
3112 | |
3113 | add_info ("program", program_info, | |
1bedd215 | 3114 | _("Execution status of the program.")); |
c906108c SS |
3115 | |
3116 | add_info ("float", float_info, | |
1bedd215 | 3117 | _("Print the status of the floating point unit\n")); |
c906108c | 3118 | |
e76f1f2e | 3119 | add_info ("vector", vector_info, |
1bedd215 | 3120 | _("Print the status of the vector unit\n")); |
145b16a9 UW |
3121 | |
3122 | add_prefix_cmd ("proc", class_info, info_proc_cmd, | |
3123 | _("\ | |
3124 | Show /proc process information about any running process.\n\ | |
3125 | Specify any process id, or use the program being debugged by default."), | |
3126 | &info_proc_cmdlist, "info proc ", | |
3127 | 1/*allow-unknown*/, &infolist); | |
3128 | ||
3129 | add_cmd ("mappings", class_info, info_proc_cmd_mappings, _("\ | |
3130 | List of mapped memory regions."), | |
3131 | &info_proc_cmdlist); | |
3132 | ||
3133 | add_cmd ("stat", class_info, info_proc_cmd_stat, _("\ | |
3134 | List process info from /proc/PID/stat."), | |
3135 | &info_proc_cmdlist); | |
3136 | ||
3137 | add_cmd ("status", class_info, info_proc_cmd_status, _("\ | |
3138 | List process info from /proc/PID/status."), | |
3139 | &info_proc_cmdlist); | |
3140 | ||
3141 | add_cmd ("cwd", class_info, info_proc_cmd_cwd, _("\ | |
3142 | List current working directory of the process."), | |
3143 | &info_proc_cmdlist); | |
3144 | ||
3145 | add_cmd ("cmdline", class_info, info_proc_cmd_cmdline, _("\ | |
3146 | List command line arguments of the process."), | |
3147 | &info_proc_cmdlist); | |
3148 | ||
3149 | add_cmd ("exe", class_info, info_proc_cmd_exe, _("\ | |
3150 | List absolute filename for executable of the process."), | |
3151 | &info_proc_cmdlist); | |
3152 | ||
3153 | add_cmd ("all", class_info, info_proc_cmd_all, _("\ | |
3154 | List all available /proc info."), | |
3155 | &info_proc_cmdlist); | |
c906108c | 3156 | } |