Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Top level stuff for GDB, the GNU debugger. |
a752853e | 2 | |
618f726f | 3 | Copyright (C) 1986-2016 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" | |
21 | #include "gdbcmd.h" | |
210661e7 EZ |
22 | #include "cli/cli-cmds.h" |
23 | #include "cli/cli-script.h" | |
24 | #include "cli/cli-setshow.h" | |
18a642a1 | 25 | #include "cli/cli-decode.h" |
c906108c SS |
26 | #include "symtab.h" |
27 | #include "inferior.h" | |
45741a9c | 28 | #include "infrun.h" |
042be3a9 | 29 | #include <signal.h> |
c906108c | 30 | #include "target.h" |
68c765e2 | 31 | #include "target-dcache.h" |
c906108c SS |
32 | #include "breakpoint.h" |
33 | #include "gdbtypes.h" | |
34 | #include "expression.h" | |
35 | #include "value.h" | |
36 | #include "language.h" | |
c5aa993b | 37 | #include "terminal.h" /* For job_control. */ |
c906108c | 38 | #include "annotate.h" |
c5f0f3d0 | 39 | #include "completer.h" |
c906108c | 40 | #include "top.h" |
d4f3574e | 41 | #include "version.h" |
210661e7 | 42 | #include "serial.h" |
d16aafd8 | 43 | #include "doublest.h" |
f17517ea | 44 | #include "main.h" |
2e03ee74 | 45 | #include "event-loop.h" |
8ea051c5 | 46 | #include "gdbthread.h" |
6dddc817 | 47 | #include "extension.h" |
b4a14fd0 | 48 | #include "interps.h" |
6dea1fbd | 49 | #include "observer.h" |
bd712aed | 50 | #include "maint.h" |
97c85fc6 | 51 | #include "filenames.h" |
06096720 | 52 | #include "frame.h" |
7a3bde34 | 53 | #include "buffer.h" |
c906108c | 54 | |
371d5dec | 55 | /* readline include files. */ |
dbda9972 AC |
56 | #include "readline/readline.h" |
57 | #include "readline/history.h" | |
c906108c SS |
58 | |
59 | /* readline defines this. */ | |
60 | #undef savestring | |
61 | ||
62 | #include <sys/types.h> | |
c906108c | 63 | |
c2c6d25f | 64 | #include "event-top.h" |
53ce3c39 | 65 | #include <sys/stat.h> |
c906108c | 66 | #include <ctype.h> |
8b93c638 JM |
67 | #include "ui-out.h" |
68 | #include "cli-out.h" | |
2f9d54cf | 69 | #include "tracepoint.h" |
93d6eb10 | 70 | #include "inf-loop.h" |
c906108c | 71 | |
18206ca3 PP |
72 | #if defined(TUI) |
73 | # include "tui/tui.h" | |
74 | #endif | |
75 | ||
ca7b0bbc TT |
76 | extern void initialize_all_files (void); |
77 | ||
95298e72 PM |
78 | #define PROMPT(X) the_prompts.prompt_stack[the_prompts.top + X].prompt |
79 | #define PREFIX(X) the_prompts.prompt_stack[the_prompts.top + X].prefix | |
80 | #define SUFFIX(X) the_prompts.prompt_stack[the_prompts.top + X].suffix | |
81 | ||
371d5dec | 82 | /* Default command line prompt. This is overriden in some configs. */ |
104c1213 JM |
83 | |
84 | #ifndef DEFAULT_PROMPT | |
85 | #define DEFAULT_PROMPT "(gdb) " | |
c906108c SS |
86 | #endif |
87 | ||
e655c1a2 | 88 | /* Initialization file name for gdb. This is host-dependent. */ |
eaae3919 | 89 | |
e655c1a2 | 90 | const char gdbinit[] = GDBINIT; |
c906108c SS |
91 | |
92 | int inhibit_gdbinit = 0; | |
93 | ||
c906108c SS |
94 | extern char lang_frame_mismatch_warn[]; /* language.c */ |
95 | ||
050a2e1d PA |
96 | /* Flag for whether we want to confirm potentially dangerous |
97 | operations. Default is yes. */ | |
98 | ||
e360902b | 99 | int confirm = 1; |
c906108c | 100 | |
920d2a44 | 101 | static void |
e360902b | 102 | show_confirm (struct ui_file *file, int from_tty, |
920d2a44 AC |
103 | struct cmd_list_element *c, const char *value) |
104 | { | |
3e43a32a MS |
105 | fprintf_filtered (file, _("Whether to confirm potentially " |
106 | "dangerous operations is %s.\n"), | |
920d2a44 AC |
107 | value); |
108 | } | |
c906108c | 109 | |
371d5dec MS |
110 | /* stdio stream that command input is being read from. Set to stdin |
111 | normally. Set by source_command to the file we are sourcing. Set | |
112 | to NULL if we are executing a user-defined command or interacting | |
113 | via a GUI. */ | |
c906108c SS |
114 | |
115 | FILE *instream; | |
116 | ||
698ba934 DJ |
117 | /* Flag to indicate whether a user defined command is currently running. */ |
118 | ||
119 | int in_user_command; | |
120 | ||
c906108c SS |
121 | /* Current working directory. */ |
122 | ||
123 | char *current_directory; | |
124 | ||
125 | /* The directory name is actually stored here (usually). */ | |
126 | char gdb_dirbuf[1024]; | |
127 | ||
c906108c SS |
128 | /* Buffer used for reading command lines, and the size |
129 | allocated for it so far. */ | |
130 | ||
dc7eb48e PA |
131 | char *saved_command_line; |
132 | int saved_command_line_size = 100; | |
c906108c SS |
133 | |
134 | /* Nonzero if the current command is modified by "server ". This | |
c2d11a7d | 135 | affects things like recording into the command history, commands |
c906108c SS |
136 | repeating on RETURN, etc. This is so a user interface (emacs, GUI, |
137 | whatever) can issue its own commands and also send along commands | |
138 | from the user, and have the user not notice that the user interface | |
139 | is issuing commands too. */ | |
140 | int server_command; | |
141 | ||
371d5dec | 142 | /* Timeout limit for response from target. */ |
c906108c | 143 | |
ce808e91 AC |
144 | /* The default value has been changed many times over the years. It |
145 | was originally 5 seconds. But that was thought to be a long time | |
146 | to sit and wait, so it was changed to 2 seconds. That was thought | |
147 | to be plenty unless the connection was going through some terminal | |
148 | server or multiplexer or other form of hairy serial connection. | |
149 | ||
150 | In mid-1996, remote_timeout was moved from remote.c to top.c and | |
151 | it began being used in other remote-* targets. It appears that the | |
152 | default was changed to 20 seconds at that time, perhaps because the | |
85a453d5 | 153 | Renesas E7000 ICE didn't always respond in a timely manner. |
ce808e91 AC |
154 | |
155 | But if 5 seconds is a long time to sit and wait for retransmissions, | |
156 | 20 seconds is far worse. This demonstrates the difficulty of using | |
157 | a single variable for all protocol timeouts. | |
158 | ||
159 | As remote.c is used much more than remote-e7000.c, it was changed | |
371d5dec | 160 | back to 2 seconds in 1999. */ |
ce808e91 AC |
161 | |
162 | int remote_timeout = 2; | |
c906108c SS |
163 | |
164 | /* Non-zero tells remote* modules to output debugging info. */ | |
165 | ||
166 | int remote_debug = 0; | |
167 | ||
6dd77b81 RH |
168 | /* Sbrk location on entry to main. Used for statistics only. */ |
169 | #ifdef HAVE_SBRK | |
170 | char *lim_at_start; | |
171 | #endif | |
172 | ||
c906108c SS |
173 | /* Hooks for alternate command interfaces. */ |
174 | ||
371d5dec MS |
175 | /* This hook is called from within gdb's many mini-event loops which |
176 | could steal control from a real user interface's event loop. It | |
177 | returns non-zero if the user is requesting a detach, zero | |
178 | otherwise. */ | |
7a292a7a | 179 | |
98bbd631 | 180 | int (*deprecated_ui_loop_hook) (int); |
c906108c | 181 | |
c906108c | 182 | |
c906108c SS |
183 | /* Called from print_frame_info to list the line we stopped in. */ |
184 | ||
371d5dec MS |
185 | void (*deprecated_print_frame_info_listing_hook) (struct symtab * s, |
186 | int line, | |
187 | int stopline, | |
188 | int noerror); | |
c906108c SS |
189 | /* Replaces most of query. */ |
190 | ||
9a4105ab | 191 | int (*deprecated_query_hook) (const char *, va_list); |
c906108c SS |
192 | |
193 | /* Replaces most of warning. */ | |
194 | ||
9a4105ab | 195 | void (*deprecated_warning_hook) (const char *, va_list); |
c906108c | 196 | |
9a4105ab AC |
197 | /* These three functions support getting lines of text from the user. |
198 | They are used in sequence. First deprecated_readline_begin_hook is | |
199 | called with a text string that might be (for example) a message for | |
200 | the user to type in a sequence of commands to be executed at a | |
201 | breakpoint. If this function calls back to a GUI, it might take | |
202 | this opportunity to pop up a text interaction window with this | |
203 | message. Next, deprecated_readline_hook is called with a prompt | |
204 | that is emitted prior to collecting the user input. It can be | |
205 | called multiple times. Finally, deprecated_readline_end_hook is | |
206 | called to notify the GUI that we are done with the interaction | |
207 | window and it can close it. */ | |
c906108c | 208 | |
9a4105ab | 209 | void (*deprecated_readline_begin_hook) (char *, ...); |
38bcc89d | 210 | char *(*deprecated_readline_hook) (const char *); |
9a4105ab | 211 | void (*deprecated_readline_end_hook) (void); |
c906108c | 212 | |
6426a772 | 213 | /* Called as appropriate to notify the interface that we have attached |
371d5dec | 214 | to or detached from an already running process. */ |
6426a772 | 215 | |
9a4105ab AC |
216 | void (*deprecated_attach_hook) (void); |
217 | void (*deprecated_detach_hook) (void); | |
6426a772 | 218 | |
371d5dec MS |
219 | /* Called during long calculations to allow GUI to repair window |
220 | damage, and to check for stop buttons, etc... */ | |
c906108c | 221 | |
9a4105ab | 222 | void (*deprecated_interactive_hook) (void); |
c906108c | 223 | |
371d5dec MS |
224 | /* Called when going to wait for the target. Usually allows the GUI |
225 | to run while waiting for target events. */ | |
c906108c | 226 | |
9a4105ab | 227 | ptid_t (*deprecated_target_wait_hook) (ptid_t ptid, |
47608cb1 PA |
228 | struct target_waitstatus *status, |
229 | int options); | |
c906108c | 230 | |
371d5dec MS |
231 | /* Used by UI as a wrapper around command execution. May do various |
232 | things like enabling/disabling buttons, etc... */ | |
c906108c | 233 | |
371d5dec MS |
234 | void (*deprecated_call_command_hook) (struct cmd_list_element * c, |
235 | char *cmd, int from_tty); | |
c906108c SS |
236 | |
237 | /* Called when the current thread changes. Argument is thread id. */ | |
238 | ||
9a4105ab | 239 | void (*deprecated_context_hook) (int id); |
c906108c | 240 | |
c906108c SS |
241 | /* Handler for SIGHUP. */ |
242 | ||
243 | #ifdef SIGHUP | |
392a587b | 244 | /* NOTE 1999-04-29: This function will be static again, once we modify |
cd0fc7c3 | 245 | gdb to use the event loop as the default command loop and we merge |
c378eb4e | 246 | event-top.c into this file, top.c. */ |
b2cd6b29 JM |
247 | /* static */ void |
248 | quit_cover (void) | |
c906108c | 249 | { |
e360902b PA |
250 | /* Stop asking user for confirmation --- we're exiting. This |
251 | prevents asking the user dumb questions. */ | |
252 | confirm = 0; | |
c5aa993b | 253 | quit_command ((char *) 0, 0); |
c906108c SS |
254 | } |
255 | #endif /* defined SIGHUP */ | |
256 | \f | |
7a9dd1b2 | 257 | /* Line number we are currently in, in a file which is being sourced. */ |
392a587b | 258 | /* NOTE 1999-04-29: This variable will be static again, once we modify |
cd0fc7c3 | 259 | gdb to use the event loop as the default command loop and we merge |
c378eb4e | 260 | event-top.c into this file, top.c. */ |
cd0fc7c3 | 261 | /* static */ int source_line_number; |
c906108c SS |
262 | |
263 | /* Name of the file we are sourcing. */ | |
392a587b | 264 | /* NOTE 1999-04-29: This variable will be static again, once we modify |
cd0fc7c3 | 265 | gdb to use the event loop as the default command loop and we merge |
c378eb4e | 266 | event-top.c into this file, top.c. */ |
05159abe | 267 | /* static */ const char *source_file_name; |
c906108c | 268 | |
c906108c SS |
269 | /* Clean up on error during a "source" command (or execution of a |
270 | user-defined command). */ | |
271 | ||
d318976c | 272 | void |
e41a3b1a | 273 | do_restore_instream_cleanup (void *stream) |
c906108c SS |
274 | { |
275 | /* Restore the previous input stream. */ | |
19ba03f4 | 276 | instream = (FILE *) stream; |
c906108c SS |
277 | } |
278 | ||
279 | /* Read commands from STREAM. */ | |
280 | void | |
fba45db2 | 281 | read_command_file (FILE *stream) |
c906108c SS |
282 | { |
283 | struct cleanup *cleanups; | |
284 | ||
e41a3b1a | 285 | cleanups = make_cleanup (do_restore_instream_cleanup, instream); |
c906108c | 286 | instream = stream; |
c5aa993b | 287 | command_loop (); |
c906108c SS |
288 | do_cleanups (cleanups); |
289 | } | |
290 | \f | |
507f3c78 | 291 | void (*pre_init_ui_hook) (void); |
c906108c | 292 | |
e41a3b1a | 293 | #ifdef __MSDOS__ |
70976b65 | 294 | static void |
e41a3b1a AC |
295 | do_chdir_cleanup (void *old_dir) |
296 | { | |
297 | chdir (old_dir); | |
b8c9b27d | 298 | xfree (old_dir); |
e41a3b1a AC |
299 | } |
300 | #endif | |
301 | ||
028d0ed5 | 302 | struct cleanup * |
4e5d721f DE |
303 | prepare_execute_command (void) |
304 | { | |
028d0ed5 TJB |
305 | struct value *mark; |
306 | struct cleanup *cleanup; | |
307 | ||
308 | mark = value_mark (); | |
309 | cleanup = make_cleanup_value_free_to_mark (mark); | |
4e5d721f | 310 | |
371d5dec MS |
311 | /* With multiple threads running while the one we're examining is |
312 | stopped, the dcache can get stale without us being able to detect | |
313 | it. For the duration of the command, though, use the dcache to | |
314 | help things like backtrace. */ | |
4e5d721f DE |
315 | if (non_stop) |
316 | target_dcache_invalidate (); | |
028d0ed5 TJB |
317 | |
318 | return cleanup; | |
4e5d721f DE |
319 | } |
320 | ||
77cce10f PA |
321 | /* Tell the user if the language has changed (except first time) after |
322 | executing a command. */ | |
323 | ||
324 | void | |
325 | check_frame_language_change (void) | |
326 | { | |
327 | static int warned = 0; | |
7ff38b1c | 328 | struct frame_info *frame; |
77cce10f PA |
329 | |
330 | /* First make sure that a new frame has been selected, in case the | |
331 | command or the hooks changed the program state. */ | |
7ff38b1c | 332 | frame = deprecated_safe_get_selected_frame (); |
77cce10f PA |
333 | if (current_language != expected_language) |
334 | { | |
335 | if (language_mode == language_mode_auto && info_verbose) | |
336 | { | |
337 | language_info (1); /* Print what changed. */ | |
338 | } | |
339 | warned = 0; | |
340 | } | |
341 | ||
342 | /* Warn the user if the working language does not match the language | |
343 | of the current frame. Only warn the user if we are actually | |
344 | running the program, i.e. there is a stack. */ | |
345 | /* FIXME: This should be cacheing the frame and only running when | |
346 | the frame changes. */ | |
347 | ||
348 | if (has_stack_frames ()) | |
349 | { | |
350 | enum language flang; | |
351 | ||
7ff38b1c | 352 | flang = get_frame_language (frame); |
77cce10f PA |
353 | if (!warned |
354 | && flang != language_unknown | |
355 | && flang != current_language->la_language) | |
356 | { | |
357 | printf_filtered ("%s\n", lang_frame_mismatch_warn); | |
358 | warned = 1; | |
359 | } | |
360 | } | |
361 | } | |
362 | ||
98880d46 PA |
363 | /* See top.h. */ |
364 | ||
0b333c5e PA |
365 | void |
366 | wait_sync_command_done (void) | |
367 | { | |
368 | while (gdb_do_one_event () >= 0) | |
369 | if (!sync_execution) | |
370 | break; | |
371 | } | |
372 | ||
373 | /* See top.h. */ | |
374 | ||
98880d46 PA |
375 | void |
376 | maybe_wait_sync_command_done (int was_sync) | |
377 | { | |
378 | /* If the interpreter is in sync mode (we're running a user | |
379 | command's list, running command hooks or similars), and we | |
380 | just ran a synchronous command that started the target, wait | |
381 | for that command to end. */ | |
382 | if (!interpreter_async && !was_sync && sync_execution) | |
0b333c5e | 383 | wait_sync_command_done (); |
98880d46 PA |
384 | } |
385 | ||
648bf667 | 386 | /* Execute the line P as a command, in the current user context. |
d318976c | 387 | Pass FROM_TTY as second argument to the defining function. */ |
c906108c | 388 | |
d318976c FN |
389 | void |
390 | execute_command (char *p, int from_tty) | |
c906108c | 391 | { |
353d1d73 | 392 | struct cleanup *cleanup_if_error, *cleanup; |
52f0bd74 | 393 | struct cmd_list_element *c; |
d318976c | 394 | char *line; |
4e5d721f | 395 | |
353d1d73 | 396 | cleanup_if_error = make_bpstat_clear_actions_cleanup (); |
028d0ed5 | 397 | cleanup = prepare_execute_command (); |
c906108c | 398 | |
d318976c FN |
399 | /* Force cleanup of any alloca areas if using C alloca instead of |
400 | a builtin alloca. */ | |
401 | alloca (0); | |
c906108c | 402 | |
d318976c FN |
403 | /* This can happen when command_line_input hits end of file. */ |
404 | if (p == NULL) | |
5fe41fbf TT |
405 | { |
406 | do_cleanups (cleanup); | |
5ae85e44 | 407 | discard_cleanups (cleanup_if_error); |
5fe41fbf TT |
408 | return; |
409 | } | |
c906108c | 410 | |
49d03eab | 411 | target_log_command (p); |
8b93c638 | 412 | |
d318976c FN |
413 | while (*p == ' ' || *p == '\t') |
414 | p++; | |
415 | if (*p) | |
8b93c638 | 416 | { |
6f937416 | 417 | const char *cmd = p; |
d318976c | 418 | char *arg; |
90e28950 TT |
419 | int was_sync = sync_execution; |
420 | ||
d318976c | 421 | line = p; |
8b93c638 | 422 | |
16026cd7 AS |
423 | /* If trace-commands is set then this will print this command. */ |
424 | print_command_trace (p); | |
425 | ||
6f937416 PA |
426 | c = lookup_cmd (&cmd, cmdlist, "", 0, 1); |
427 | p = (char *) cmd; | |
8b93c638 | 428 | |
d318976c FN |
429 | /* Pass null arg rather than an empty one. */ |
430 | arg = *p ? p : 0; | |
8b93c638 | 431 | |
9f60d481 AC |
432 | /* FIXME: cagney/2002-02-02: The c->type test is pretty dodgy |
433 | while the is_complete_command(cfunc) test is just plain | |
434 | bogus. They should both be replaced by a test of the form | |
435 | c->strip_trailing_white_space_p. */ | |
436 | /* NOTE: cagney/2002-02-02: The function.cfunc in the below | |
437 | can't be replaced with func. This is because it is the | |
438 | cfunc, and not the func, that has the value that the | |
439 | is_complete_command hack is testing for. */ | |
440 | /* Clear off trailing whitespace, except for set and complete | |
441 | command. */ | |
d318976c FN |
442 | if (arg |
443 | && c->type != set_cmd | |
bbaca940 | 444 | && !is_complete_command (c)) |
8b93c638 | 445 | { |
d318976c FN |
446 | p = arg + strlen (arg) - 1; |
447 | while (p >= arg && (*p == ' ' || *p == '\t')) | |
448 | p--; | |
449 | *(p + 1) = '\0'; | |
8b93c638 JM |
450 | } |
451 | ||
371d5dec | 452 | /* If this command has been pre-hooked, run the hook first. */ |
5913bcb0 | 453 | execute_cmd_pre_hook (c); |
c906108c | 454 | |
1f2bdf09 | 455 | if (c->deprecated_warn_user) |
6f937416 | 456 | deprecated_cmd_warning (line); |
c906108c | 457 | |
7d74f244 | 458 | /* c->user_commands would be NULL in the case of a python command. */ |
fe978cb0 | 459 | if (c->theclass == class_user && c->user_commands) |
d318976c | 460 | execute_user_command (c, arg); |
5b9afe8a YQ |
461 | else if (c->type == set_cmd) |
462 | do_set_command (arg, from_tty, c); | |
463 | else if (c->type == show_cmd) | |
464 | do_show_command (arg, from_tty, c); | |
f436dd25 | 465 | else if (!cmd_func_p (c)) |
8a3fe4f8 | 466 | error (_("That is not a command, just a help topic.")); |
9a4105ab | 467 | else if (deprecated_call_command_hook) |
050a2e1d | 468 | deprecated_call_command_hook (c, arg, from_tty); |
d318976c | 469 | else |
050a2e1d | 470 | cmd_func (c, arg, from_tty); |
b4a14fd0 | 471 | |
98880d46 | 472 | maybe_wait_sync_command_done (was_sync); |
b4a14fd0 | 473 | |
371d5dec | 474 | /* If this command has been post-hooked, run the hook last. */ |
5913bcb0 | 475 | execute_cmd_post_hook (c); |
c906108c | 476 | |
c906108c SS |
477 | } |
478 | ||
77cce10f | 479 | check_frame_language_change (); |
028d0ed5 | 480 | |
353d1d73 JK |
481 | do_cleanups (cleanup); |
482 | discard_cleanups (cleanup_if_error); | |
c906108c SS |
483 | } |
484 | ||
5da1313b JK |
485 | /* Run execute_command for P and FROM_TTY. Capture its output into the |
486 | returned string, do not display it to the screen. BATCH_FLAG will be | |
487 | temporarily set to true. */ | |
488 | ||
489 | char * | |
490 | execute_command_to_string (char *p, int from_tty) | |
491 | { | |
492 | struct ui_file *str_file; | |
493 | struct cleanup *cleanup; | |
494 | char *retval; | |
495 | ||
496 | /* GDB_STDOUT should be better already restored during these | |
497 | restoration callbacks. */ | |
498 | cleanup = set_batch_flag_and_make_cleanup_restore_page_info (); | |
499 | ||
b4a14fd0 PA |
500 | make_cleanup_restore_integer (&interpreter_async); |
501 | interpreter_async = 0; | |
502 | ||
5da1313b JK |
503 | str_file = mem_fileopen (); |
504 | ||
8d4d924b | 505 | make_cleanup_ui_file_delete (str_file); |
5da1313b JK |
506 | make_cleanup_restore_ui_file (&gdb_stdout); |
507 | make_cleanup_restore_ui_file (&gdb_stderr); | |
8d4d924b JK |
508 | make_cleanup_restore_ui_file (&gdb_stdlog); |
509 | make_cleanup_restore_ui_file (&gdb_stdtarg); | |
510 | make_cleanup_restore_ui_file (&gdb_stdtargerr); | |
511 | ||
79a45e25 | 512 | if (ui_out_redirect (current_uiout, str_file) < 0) |
8d4d924b JK |
513 | warning (_("Current output protocol does not support redirection")); |
514 | else | |
79a45e25 | 515 | make_cleanup_ui_out_redirect_pop (current_uiout); |
5da1313b JK |
516 | |
517 | gdb_stdout = str_file; | |
518 | gdb_stderr = str_file; | |
8d4d924b JK |
519 | gdb_stdlog = str_file; |
520 | gdb_stdtarg = str_file; | |
521 | gdb_stdtargerr = str_file; | |
5da1313b JK |
522 | |
523 | execute_command (p, from_tty); | |
524 | ||
525 | retval = ui_file_xstrdup (str_file, NULL); | |
526 | ||
527 | do_cleanups (cleanup); | |
528 | ||
529 | return retval; | |
530 | } | |
531 | ||
d318976c FN |
532 | /* Read commands from `instream' and execute them |
533 | until end of file or error reading instream. */ | |
c906108c | 534 | |
d318976c FN |
535 | void |
536 | command_loop (void) | |
c906108c | 537 | { |
d318976c FN |
538 | struct cleanup *old_chain; |
539 | char *command; | |
c5aa993b | 540 | |
d318976c FN |
541 | while (instream && !feof (instream)) |
542 | { | |
522002f9 | 543 | clear_quit_flag (); |
bc008695 | 544 | if (instream == stdin) |
d318976c FN |
545 | reinitialize_more_filter (); |
546 | old_chain = make_cleanup (null_cleanup, 0); | |
c906108c | 547 | |
c378eb4e | 548 | /* Get a command-line. This calls the readline package. */ |
d318976c | 549 | command = command_line_input (instream == stdin ? |
ab821bc6 | 550 | get_prompt () : (char *) NULL, |
d318976c | 551 | instream == stdin, "prompt"); |
d318976c | 552 | if (command == 0) |
5fe41fbf TT |
553 | { |
554 | do_cleanups (old_chain); | |
555 | return; | |
556 | } | |
c906108c | 557 | |
0f3bb72e | 558 | make_command_stats_cleanup (1); |
9e0b60a8 | 559 | |
fb1f94b0 PM |
560 | /* Do not execute commented lines. */ |
561 | if (command[0] != '#') | |
562 | { | |
563 | execute_command (command, instream == stdin); | |
347bddb7 | 564 | |
fb1f94b0 PM |
565 | /* Do any commands attached to breakpoint we are stopped at. */ |
566 | bpstat_do_actions (); | |
567 | } | |
d318976c | 568 | do_cleanups (old_chain); |
9e0b60a8 | 569 | } |
9e0b60a8 | 570 | } |
d318976c | 571 | \f |
47a80e90 TT |
572 | /* When nonzero, cause dont_repeat to do nothing. This should only be |
573 | set via prevent_dont_repeat. */ | |
574 | ||
575 | static int suppress_dont_repeat = 0; | |
576 | ||
d318976c | 577 | /* Commands call this if they do not want to be repeated by null lines. */ |
9e0b60a8 | 578 | |
d318976c FN |
579 | void |
580 | dont_repeat (void) | |
9e0b60a8 | 581 | { |
47a80e90 | 582 | if (suppress_dont_repeat || server_command) |
d318976c | 583 | return; |
9e0b60a8 | 584 | |
d318976c | 585 | /* If we aren't reading from standard input, we are saving the last |
371d5dec MS |
586 | thing read from stdin in line and don't want to delete it. Null |
587 | lines won't repeat here in any case. */ | |
d318976c | 588 | if (instream == stdin) |
dc7eb48e | 589 | *saved_command_line = 0; |
9e0b60a8 | 590 | } |
47a80e90 TT |
591 | |
592 | /* Prevent dont_repeat from working, and return a cleanup that | |
593 | restores the previous state. */ | |
594 | ||
595 | struct cleanup * | |
596 | prevent_dont_repeat (void) | |
597 | { | |
598 | struct cleanup *result = make_cleanup_restore_integer (&suppress_dont_repeat); | |
599 | ||
600 | suppress_dont_repeat = 1; | |
601 | return result; | |
602 | } | |
603 | ||
d318976c FN |
604 | \f |
605 | /* Read a line from the stream "instream" without command line editing. | |
9e0b60a8 | 606 | |
7a3bde34 | 607 | It prints PROMPT once at the start. |
d318976c FN |
608 | Action is compatible with "readline", e.g. space for the result is |
609 | malloc'd and should be freed by the caller. | |
9e0b60a8 | 610 | |
d318976c | 611 | A NULL return means end of file. */ |
c5c136ea PA |
612 | |
613 | static char * | |
7a3bde34 | 614 | gdb_readline_no_editing (const char *prompt) |
9e0b60a8 | 615 | { |
7a3bde34 | 616 | struct buffer line_buffer; |
9e0b60a8 | 617 | |
7a3bde34 PA |
618 | buffer_init (&line_buffer); |
619 | ||
620 | if (prompt != NULL) | |
9e0b60a8 | 621 | { |
d318976c FN |
622 | /* Don't use a _filtered function here. It causes the assumed |
623 | character position to be off, since the newline we read from | |
624 | the user is not accounted for. */ | |
7a3bde34 | 625 | fputs_unfiltered (prompt, gdb_stdout); |
9e0b60a8 JM |
626 | gdb_flush (gdb_stdout); |
627 | } | |
628 | ||
9e0b60a8 JM |
629 | while (1) |
630 | { | |
7a3bde34 PA |
631 | int c; |
632 | ||
d318976c FN |
633 | /* Read from stdin if we are executing a user defined command. |
634 | This is the right thing for prompt_for_continue, at least. */ | |
635 | c = fgetc (instream ? instream : stdin); | |
9e0b60a8 | 636 | |
d318976c | 637 | if (c == EOF) |
9e0b60a8 | 638 | { |
7a3bde34 | 639 | if (line_buffer.used_size > 0) |
d318976c FN |
640 | /* The last line does not end with a newline. Return it, and |
641 | if we are called again fgetc will still return EOF and | |
642 | we'll return NULL then. */ | |
9e0b60a8 | 643 | break; |
7a3bde34 | 644 | xfree (buffer_finish (&line_buffer)); |
d318976c | 645 | return NULL; |
9e0b60a8 | 646 | } |
c5aa993b | 647 | |
d318976c | 648 | if (c == '\n') |
9e0b60a8 | 649 | { |
7a3bde34 PA |
650 | if (line_buffer.used_size > 0 |
651 | && line_buffer.buffer[line_buffer.used_size - 1] == '\r') | |
652 | line_buffer.used_size--; | |
d318976c | 653 | break; |
9e0b60a8 | 654 | } |
9e0b60a8 | 655 | |
7a3bde34 | 656 | buffer_grow_char (&line_buffer, c); |
9e0b60a8 JM |
657 | } |
658 | ||
7a3bde34 PA |
659 | buffer_grow_char (&line_buffer, '\0'); |
660 | return buffer_finish (&line_buffer); | |
9e0b60a8 JM |
661 | } |
662 | ||
d318976c FN |
663 | /* Variables which control command line editing and history |
664 | substitution. These variables are given default values at the end | |
665 | of this file. */ | |
666 | static int command_editing_p; | |
920d2a44 | 667 | |
d318976c FN |
668 | /* NOTE 1999-04-29: This variable will be static again, once we modify |
669 | gdb to use the event loop as the default command loop and we merge | |
c378eb4e | 670 | event-top.c into this file, top.c. */ |
920d2a44 | 671 | |
d318976c | 672 | /* static */ int history_expansion_p; |
920d2a44 | 673 | |
d318976c | 674 | static int write_history_p; |
920d2a44 AC |
675 | static void |
676 | show_write_history_p (struct ui_file *file, int from_tty, | |
677 | struct cmd_list_element *c, const char *value) | |
678 | { | |
679 | fprintf_filtered (file, _("Saving of the history record on exit is %s.\n"), | |
680 | value); | |
681 | } | |
682 | ||
840a9a1f | 683 | /* The variable associated with the "set/show history size" |
ebfd00d2 PP |
684 | command. The value -1 means unlimited, and -2 means undefined. */ |
685 | static int history_size_setshow_var = -2; | |
840a9a1f | 686 | |
920d2a44 AC |
687 | static void |
688 | show_history_size (struct ui_file *file, int from_tty, | |
689 | struct cmd_list_element *c, const char *value) | |
690 | { | |
691 | fprintf_filtered (file, _("The size of the command history is %s.\n"), | |
692 | value); | |
693 | } | |
694 | ||
fc637f04 PP |
695 | /* Variable associated with the "history remove-duplicates" option. |
696 | The value -1 means unlimited. */ | |
697 | static int history_remove_duplicates = 0; | |
698 | ||
699 | static void | |
700 | show_history_remove_duplicates (struct ui_file *file, int from_tty, | |
701 | struct cmd_list_element *c, const char *value) | |
702 | { | |
703 | fprintf_filtered (file, | |
704 | _("The number of history entries to look back at for " | |
705 | "duplicates is %s.\n"), | |
706 | value); | |
707 | } | |
708 | ||
d318976c | 709 | static char *history_filename; |
920d2a44 AC |
710 | static void |
711 | show_history_filename (struct ui_file *file, int from_tty, | |
712 | struct cmd_list_element *c, const char *value) | |
713 | { | |
3e43a32a MS |
714 | fprintf_filtered (file, _("The filename in which to record " |
715 | "the command history is \"%s\".\n"), | |
920d2a44 AC |
716 | value); |
717 | } | |
9e0b60a8 | 718 | |
b4f5539f | 719 | /* This is like readline(), but it has some gdb-specific behavior. |
2e03ee74 | 720 | gdb may want readline in both the synchronous and async modes during |
b4f5539f TT |
721 | a single gdb invocation. At the ordinary top-level prompt we might |
722 | be using the async readline. That means we can't use | |
723 | rl_pre_input_hook, since it doesn't work properly in async mode. | |
724 | However, for a secondary prompt (" >", such as occurs during a | |
2e03ee74 DJ |
725 | `define'), gdb wants a synchronous response. |
726 | ||
727 | We used to call readline() directly, running it in synchronous | |
728 | mode. But mixing modes this way is not supported, and as of | |
729 | readline 5.x it no longer works; the arrow keys come unbound during | |
730 | the synchronous call. So we make a nested call into the event | |
731 | loop. That's what gdb_readline_wrapper is for. */ | |
732 | ||
733 | /* A flag set as soon as gdb_readline_wrapper_line is called; we can't | |
734 | rely on gdb_readline_wrapper_result, which might still be NULL if | |
735 | the user types Control-D for EOF. */ | |
736 | static int gdb_readline_wrapper_done; | |
737 | ||
738 | /* The result of the current call to gdb_readline_wrapper, once a newline | |
739 | is seen. */ | |
740 | static char *gdb_readline_wrapper_result; | |
741 | ||
742 | /* Any intercepted hook. Operate-and-get-next sets this, expecting it | |
743 | to be called after the newline is processed (which will redisplay | |
744 | the prompt). But in gdb_readline_wrapper we will not get a new | |
745 | prompt until the next call, or until we return to the event loop. | |
746 | So we disable this hook around the newline and restore it before we | |
747 | return. */ | |
748 | static void (*saved_after_char_processing_hook) (void); | |
749 | ||
948578a9 PP |
750 | |
751 | /* The number of nested readline secondary prompts that are currently | |
752 | active. */ | |
753 | ||
754 | static int gdb_secondary_prompt_depth = 0; | |
755 | ||
756 | /* See top.h. */ | |
757 | ||
758 | int | |
759 | gdb_in_secondary_prompt_p (void) | |
760 | { | |
761 | return gdb_secondary_prompt_depth > 0; | |
762 | } | |
763 | ||
764 | ||
2e03ee74 DJ |
765 | /* This function is called when readline has seen a complete line of |
766 | text. */ | |
767 | ||
768 | static void | |
769 | gdb_readline_wrapper_line (char *line) | |
770 | { | |
771 | gdb_assert (!gdb_readline_wrapper_done); | |
772 | gdb_readline_wrapper_result = line; | |
773 | gdb_readline_wrapper_done = 1; | |
774 | ||
775 | /* Prevent operate-and-get-next from acting too early. */ | |
776 | saved_after_char_processing_hook = after_char_processing_hook; | |
777 | after_char_processing_hook = NULL; | |
1b05479a DJ |
778 | |
779 | /* Prevent parts of the prompt from being redisplayed if annotations | |
0017922d | 780 | are enabled, and readline's state getting out of sync. We'll |
d3d4baed PA |
781 | reinstall the callback handler, which puts the terminal in raw |
782 | mode (or in readline lingo, in prepped state), when we're next | |
783 | ready to process user input, either in display_gdb_prompt, or if | |
784 | we're handling an asynchronous target event and running in the | |
785 | background, just before returning to the event loop to process | |
786 | further input (or more target events). */ | |
1b05479a | 787 | if (async_command_editing_p) |
d3d4baed | 788 | gdb_rl_callback_handler_remove (); |
2e03ee74 DJ |
789 | } |
790 | ||
791 | struct gdb_readline_wrapper_cleanup | |
792 | { | |
793 | void (*handler_orig) (char *); | |
2e03ee74 | 794 | int already_prompted_orig; |
93d6eb10 PA |
795 | |
796 | /* Whether the target was async. */ | |
797 | int target_is_async_orig; | |
2e03ee74 DJ |
798 | }; |
799 | ||
800 | static void | |
801 | gdb_readline_wrapper_cleanup (void *arg) | |
802 | { | |
19ba03f4 SM |
803 | struct gdb_readline_wrapper_cleanup *cleanup |
804 | = (struct gdb_readline_wrapper_cleanup *) arg; | |
2e03ee74 | 805 | |
2e03ee74 | 806 | rl_already_prompted = cleanup->already_prompted_orig; |
2e03ee74 DJ |
807 | |
808 | gdb_assert (input_handler == gdb_readline_wrapper_line); | |
809 | input_handler = cleanup->handler_orig; | |
0017922d | 810 | |
d3d4baed PA |
811 | /* Don't restore our input handler in readline yet. That would make |
812 | readline prep the terminal (putting it in raw mode), while the | |
813 | line we just read may trigger execution of a command that expects | |
814 | the terminal in the default cooked/canonical mode, such as e.g., | |
815 | running Python's interactive online help utility. See | |
816 | gdb_readline_wrapper_line for when we'll reinstall it. */ | |
0017922d | 817 | |
2e03ee74 DJ |
818 | gdb_readline_wrapper_result = NULL; |
819 | gdb_readline_wrapper_done = 0; | |
948578a9 PP |
820 | gdb_secondary_prompt_depth--; |
821 | gdb_assert (gdb_secondary_prompt_depth >= 0); | |
2e03ee74 DJ |
822 | |
823 | after_char_processing_hook = saved_after_char_processing_hook; | |
824 | saved_after_char_processing_hook = NULL; | |
825 | ||
93d6eb10 | 826 | if (cleanup->target_is_async_orig) |
6a3753b3 | 827 | target_async (1); |
93d6eb10 | 828 | |
2e03ee74 DJ |
829 | xfree (cleanup); |
830 | } | |
831 | ||
b4f5539f | 832 | char * |
38bcc89d | 833 | gdb_readline_wrapper (const char *prompt) |
b4f5539f | 834 | { |
2e03ee74 DJ |
835 | struct cleanup *back_to; |
836 | struct gdb_readline_wrapper_cleanup *cleanup; | |
837 | char *retval; | |
838 | ||
8d749320 | 839 | cleanup = XNEW (struct gdb_readline_wrapper_cleanup); |
2e03ee74 DJ |
840 | cleanup->handler_orig = input_handler; |
841 | input_handler = gdb_readline_wrapper_line; | |
842 | ||
2e03ee74 DJ |
843 | cleanup->already_prompted_orig = rl_already_prompted; |
844 | ||
93d6eb10 PA |
845 | cleanup->target_is_async_orig = target_is_async_p (); |
846 | ||
948578a9 | 847 | gdb_secondary_prompt_depth++; |
2e03ee74 DJ |
848 | back_to = make_cleanup (gdb_readline_wrapper_cleanup, cleanup); |
849 | ||
93d6eb10 | 850 | if (cleanup->target_is_async_orig) |
6a3753b3 | 851 | target_async (0); |
93d6eb10 | 852 | |
2e03ee74 | 853 | /* Display our prompt and prevent double prompt display. */ |
1b05479a | 854 | display_gdb_prompt (prompt); |
2e03ee74 DJ |
855 | rl_already_prompted = 1; |
856 | ||
362646f5 | 857 | if (after_char_processing_hook) |
2e03ee74 DJ |
858 | (*after_char_processing_hook) (); |
859 | gdb_assert (after_char_processing_hook == NULL); | |
860 | ||
e0dd0826 | 861 | while (gdb_do_one_event () >= 0) |
2e03ee74 DJ |
862 | if (gdb_readline_wrapper_done) |
863 | break; | |
b4f5539f | 864 | |
2e03ee74 DJ |
865 | retval = gdb_readline_wrapper_result; |
866 | do_cleanups (back_to); | |
867 | return retval; | |
b4f5539f TT |
868 | } |
869 | ||
9e0b60a8 | 870 | \f |
467d8519 TT |
871 | /* The current saved history number from operate-and-get-next. |
872 | This is -1 if not valid. */ | |
873 | static int operate_saved_history = -1; | |
874 | ||
875 | /* This is put on the appropriate hook and helps operate-and-get-next | |
876 | do its work. */ | |
b9362cc7 | 877 | static void |
5ae5f592 | 878 | gdb_rl_operate_and_get_next_completion (void) |
467d8519 TT |
879 | { |
880 | int delta = where_history () - operate_saved_history; | |
5d502164 | 881 | |
467d8519 TT |
882 | /* The `key' argument to rl_get_previous_history is ignored. */ |
883 | rl_get_previous_history (delta, 0); | |
884 | operate_saved_history = -1; | |
885 | ||
886 | /* readline doesn't automatically update the display for us. */ | |
12f4afab | 887 | rl_redisplay (); |
467d8519 TT |
888 | |
889 | after_char_processing_hook = NULL; | |
890 | rl_pre_input_hook = NULL; | |
891 | } | |
892 | ||
893 | /* This is a gdb-local readline command handler. It accepts the | |
894 | current command line (like RET does) and, if this command was taken | |
895 | from the history, arranges for the next command in the history to | |
896 | appear on the command line when the prompt returns. | |
897 | We ignore the arguments. */ | |
898 | static int | |
899 | gdb_rl_operate_and_get_next (int count, int key) | |
900 | { | |
b5686e99 MK |
901 | int where; |
902 | ||
362646f5 AC |
903 | /* Use the async hook. */ |
904 | after_char_processing_hook = gdb_rl_operate_and_get_next_completion; | |
467d8519 | 905 | |
b5686e99 MK |
906 | /* Find the current line, and find the next line to use. */ |
907 | where = where_history(); | |
908 | ||
1fb2e2b5 PA |
909 | if ((history_is_stifled () && (history_length >= history_max_entries)) |
910 | || (where >= history_length - 1)) | |
b5686e99 MK |
911 | operate_saved_history = where; |
912 | else | |
913 | operate_saved_history = where + 1; | |
914 | ||
467d8519 TT |
915 | return rl_newline (1, key); |
916 | } | |
08b13bdd PP |
917 | |
918 | /* Number of user commands executed during this session. */ | |
919 | ||
920 | static int command_count = 0; | |
921 | ||
922 | /* Add the user command COMMAND to the input history list. */ | |
923 | ||
924 | void | |
925 | gdb_add_history (const char *command) | |
926 | { | |
08b13bdd | 927 | command_count++; |
fc637f04 PP |
928 | |
929 | if (history_remove_duplicates != 0) | |
930 | { | |
931 | int lookbehind; | |
932 | int lookbehind_threshold; | |
933 | ||
934 | /* The lookbehind threshold for finding a duplicate history entry is | |
935 | bounded by command_count because we can't meaningfully delete | |
936 | history entries that are already stored in the history file since | |
937 | the history file is appended to. */ | |
938 | if (history_remove_duplicates == -1 | |
939 | || history_remove_duplicates > command_count) | |
940 | lookbehind_threshold = command_count; | |
941 | else | |
942 | lookbehind_threshold = history_remove_duplicates; | |
943 | ||
944 | using_history (); | |
945 | for (lookbehind = 0; lookbehind < lookbehind_threshold; lookbehind++) | |
946 | { | |
947 | HIST_ENTRY *temp = previous_history (); | |
948 | ||
949 | if (temp == NULL) | |
950 | break; | |
951 | ||
952 | if (strcmp (temp->line, command) == 0) | |
953 | { | |
954 | HIST_ENTRY *prev = remove_history (where_history ()); | |
955 | command_count--; | |
956 | free_history_entry (prev); | |
957 | break; | |
958 | } | |
959 | } | |
960 | using_history (); | |
961 | } | |
962 | ||
963 | add_history (command); | |
08b13bdd PP |
964 | } |
965 | ||
966 | /* Safely append new history entries to the history file in a corruption-free | |
967 | way using an intermediate local history file. */ | |
968 | ||
969 | static void | |
970 | gdb_safe_append_history (void) | |
971 | { | |
972 | int ret, saved_errno; | |
973 | char *local_history_filename; | |
974 | struct cleanup *old_chain; | |
975 | ||
976 | local_history_filename | |
977 | = xstrprintf ("%s-gdb%d~", history_filename, getpid ()); | |
978 | old_chain = make_cleanup (xfree, local_history_filename); | |
979 | ||
980 | ret = rename (history_filename, local_history_filename); | |
981 | saved_errno = errno; | |
982 | if (ret < 0 && saved_errno != ENOENT) | |
983 | { | |
984 | warning (_("Could not rename %s to %s: %s"), | |
985 | history_filename, local_history_filename, | |
986 | safe_strerror (saved_errno)); | |
987 | } | |
988 | else | |
989 | { | |
990 | if (ret < 0) | |
991 | { | |
992 | /* If the rename failed with ENOENT then either the global history | |
993 | file never existed in the first place or another GDB process is | |
994 | currently appending to it (and has thus temporarily renamed it). | |
995 | Since we can't distinguish between these two cases, we have to | |
996 | conservatively assume the first case and therefore must write out | |
997 | (not append) our known history to our local history file and try | |
998 | to move it back anyway. Otherwise a global history file would | |
999 | never get created! */ | |
1000 | gdb_assert (saved_errno == ENOENT); | |
1001 | write_history (local_history_filename); | |
1002 | } | |
1003 | else | |
1004 | { | |
1005 | append_history (command_count, local_history_filename); | |
2093d2d3 PP |
1006 | if (history_is_stifled ()) |
1007 | history_truncate_file (local_history_filename, history_max_entries); | |
08b13bdd PP |
1008 | } |
1009 | ||
1010 | ret = rename (local_history_filename, history_filename); | |
1011 | saved_errno = errno; | |
1012 | if (ret < 0 && saved_errno != EEXIST) | |
1013 | warning (_("Could not rename %s to %s: %s"), | |
1014 | local_history_filename, history_filename, | |
1015 | safe_strerror (saved_errno)); | |
1016 | } | |
1017 | ||
1018 | do_cleanups (old_chain); | |
1019 | } | |
1020 | ||
d318976c FN |
1021 | /* Read one line from the command input stream `instream' |
1022 | into the local static buffer `linebuffer' (whose current length | |
1023 | is `linelength'). | |
1024 | The buffer is made bigger as necessary. | |
1025 | Returns the address of the start of the line. | |
9e0b60a8 | 1026 | |
d318976c | 1027 | NULL is returned for end of file. |
9e0b60a8 | 1028 | |
d318976c FN |
1029 | *If* the instream == stdin & stdin is a terminal, the line read |
1030 | is copied into the file line saver (global var char *line, | |
1031 | length linesize) so that it can be duplicated. | |
9e0b60a8 | 1032 | |
d318976c FN |
1033 | This routine either uses fancy command line editing or |
1034 | simple input as the user has requested. */ | |
10689f25 | 1035 | |
d318976c | 1036 | char * |
38bcc89d | 1037 | command_line_input (const char *prompt_arg, int repeat, char *annotation_suffix) |
9e0b60a8 | 1038 | { |
d318976c FN |
1039 | static char *linebuffer = 0; |
1040 | static unsigned linelength = 0; | |
38bcc89d | 1041 | const char *prompt = prompt_arg; |
52f0bd74 | 1042 | char *p; |
d318976c FN |
1043 | char *p1; |
1044 | char *rl; | |
d318976c FN |
1045 | char *nline; |
1046 | char got_eof = 0; | |
1047 | ||
1048 | /* The annotation suffix must be non-NULL. */ | |
1049 | if (annotation_suffix == NULL) | |
1050 | annotation_suffix = ""; | |
9e0b60a8 | 1051 | |
d318976c FN |
1052 | if (annotation_level > 1 && instream == stdin) |
1053 | { | |
38bcc89d SM |
1054 | char *local_prompt; |
1055 | ||
224c3ddb SM |
1056 | local_prompt |
1057 | = (char *) alloca ((prompt == NULL ? 0 : strlen (prompt)) | |
1058 | + strlen (annotation_suffix) + 40); | |
38bcc89d | 1059 | if (prompt == NULL) |
d318976c FN |
1060 | local_prompt[0] = '\0'; |
1061 | else | |
38bcc89d | 1062 | strcpy (local_prompt, prompt); |
d318976c FN |
1063 | strcat (local_prompt, "\n\032\032"); |
1064 | strcat (local_prompt, annotation_suffix); | |
1065 | strcat (local_prompt, "\n"); | |
38bcc89d SM |
1066 | |
1067 | prompt = local_prompt; | |
d318976c | 1068 | } |
9e0b60a8 | 1069 | |
d318976c | 1070 | if (linebuffer == 0) |
9e0b60a8 | 1071 | { |
d318976c FN |
1072 | linelength = 80; |
1073 | linebuffer = (char *) xmalloc (linelength); | |
9e0b60a8 | 1074 | } |
9e0b60a8 | 1075 | |
d318976c | 1076 | p = linebuffer; |
9e0b60a8 | 1077 | |
d318976c FN |
1078 | /* Control-C quits instantly if typed while in this loop |
1079 | since it should not wait until the user types a newline. */ | |
1080 | immediate_quit++; | |
522002f9 | 1081 | QUIT; |
d318976c FN |
1082 | #ifdef STOP_SIGNAL |
1083 | if (job_control) | |
362646f5 | 1084 | signal (STOP_SIGNAL, handle_stop_sig); |
d318976c FN |
1085 | #endif |
1086 | ||
1087 | while (1) | |
9e0b60a8 | 1088 | { |
371d5dec MS |
1089 | /* Make sure that all output has been output. Some machines may |
1090 | let you get away with leaving out some of the gdb_flush, but | |
1091 | not all. */ | |
d318976c FN |
1092 | wrap_here (""); |
1093 | gdb_flush (gdb_stdout); | |
1094 | gdb_flush (gdb_stderr); | |
1095 | ||
1096 | if (source_file_name != NULL) | |
637537d0 | 1097 | ++source_line_number; |
d318976c FN |
1098 | |
1099 | if (annotation_level > 1 && instream == stdin) | |
1100 | { | |
306d9ac5 DC |
1101 | puts_unfiltered ("\n\032\032pre-"); |
1102 | puts_unfiltered (annotation_suffix); | |
1103 | puts_unfiltered ("\n"); | |
d318976c FN |
1104 | } |
1105 | ||
1106 | /* Don't use fancy stuff if not talking to stdin. */ | |
698ba934 | 1107 | if (deprecated_readline_hook && input_from_terminal_p ()) |
d318976c | 1108 | { |
38bcc89d | 1109 | rl = (*deprecated_readline_hook) (prompt); |
d318976c | 1110 | } |
698ba934 | 1111 | else if (command_editing_p && input_from_terminal_p ()) |
d318976c | 1112 | { |
38bcc89d | 1113 | rl = gdb_readline_wrapper (prompt); |
d318976c | 1114 | } |
9e0b60a8 | 1115 | else |
d318976c | 1116 | { |
c5c136ea | 1117 | rl = gdb_readline_no_editing (prompt); |
d318976c | 1118 | } |
9e0b60a8 | 1119 | |
d318976c FN |
1120 | if (annotation_level > 1 && instream == stdin) |
1121 | { | |
306d9ac5 DC |
1122 | puts_unfiltered ("\n\032\032post-"); |
1123 | puts_unfiltered (annotation_suffix); | |
1124 | puts_unfiltered ("\n"); | |
d318976c | 1125 | } |
9e0b60a8 | 1126 | |
d318976c | 1127 | if (!rl || rl == (char *) EOF) |
9e0b60a8 | 1128 | { |
d318976c FN |
1129 | got_eof = 1; |
1130 | break; | |
9e0b60a8 | 1131 | } |
d318976c FN |
1132 | if (strlen (rl) + 1 + (p - linebuffer) > linelength) |
1133 | { | |
1134 | linelength = strlen (rl) + 1 + (p - linebuffer); | |
1135 | nline = (char *) xrealloc (linebuffer, linelength); | |
1136 | p += nline - linebuffer; | |
1137 | linebuffer = nline; | |
1138 | } | |
1139 | p1 = rl; | |
1140 | /* Copy line. Don't copy null at end. (Leaves line alone | |
371d5dec | 1141 | if this was just a newline). */ |
d318976c FN |
1142 | while (*p1) |
1143 | *p++ = *p1++; | |
9e0b60a8 | 1144 | |
b8c9b27d | 1145 | xfree (rl); /* Allocated in readline. */ |
9e0b60a8 | 1146 | |
d318976c FN |
1147 | if (p == linebuffer || *(p - 1) != '\\') |
1148 | break; | |
9e0b60a8 | 1149 | |
d318976c | 1150 | p--; /* Put on top of '\'. */ |
38bcc89d | 1151 | prompt = NULL; |
d318976c | 1152 | } |
9e0b60a8 | 1153 | |
d318976c FN |
1154 | #ifdef STOP_SIGNAL |
1155 | if (job_control) | |
1156 | signal (STOP_SIGNAL, SIG_DFL); | |
1157 | #endif | |
1158 | immediate_quit--; | |
9e0b60a8 | 1159 | |
d318976c FN |
1160 | if (got_eof) |
1161 | return NULL; | |
9e0b60a8 | 1162 | |
d318976c FN |
1163 | #define SERVER_COMMAND_LENGTH 7 |
1164 | server_command = | |
1165 | (p - linebuffer > SERVER_COMMAND_LENGTH) | |
bf896cb0 | 1166 | && strncmp (linebuffer, "server ", SERVER_COMMAND_LENGTH) == 0; |
d318976c | 1167 | if (server_command) |
9e0b60a8 | 1168 | { |
d318976c FN |
1169 | /* Note that we don't set `line'. Between this and the check in |
1170 | dont_repeat, this insures that repeating will still do the | |
1171 | right thing. */ | |
1172 | *p = '\0'; | |
1173 | return linebuffer + SERVER_COMMAND_LENGTH; | |
9e0b60a8 | 1174 | } |
9e0b60a8 | 1175 | |
d318976c FN |
1176 | /* Do history expansion if that is wished. */ |
1177 | if (history_expansion_p && instream == stdin | |
1178 | && ISATTY (instream)) | |
1179 | { | |
1180 | char *history_value; | |
1181 | int expanded; | |
9e0b60a8 | 1182 | |
d318976c FN |
1183 | *p = '\0'; /* Insert null now. */ |
1184 | expanded = history_expand (linebuffer, &history_value); | |
1185 | if (expanded) | |
1186 | { | |
1187 | /* Print the changes. */ | |
1188 | printf_unfiltered ("%s\n", history_value); | |
9e0b60a8 | 1189 | |
d318976c FN |
1190 | /* If there was an error, call this function again. */ |
1191 | if (expanded < 0) | |
1192 | { | |
b8c9b27d | 1193 | xfree (history_value); |
38bcc89d | 1194 | return command_line_input (prompt, repeat, |
3e43a32a | 1195 | annotation_suffix); |
d318976c FN |
1196 | } |
1197 | if (strlen (history_value) > linelength) | |
1198 | { | |
1199 | linelength = strlen (history_value) + 1; | |
1200 | linebuffer = (char *) xrealloc (linebuffer, linelength); | |
1201 | } | |
1202 | strcpy (linebuffer, history_value); | |
1203 | p = linebuffer + strlen (linebuffer); | |
d318976c | 1204 | } |
91d2803c | 1205 | xfree (history_value); |
d318976c | 1206 | } |
9e0b60a8 | 1207 | |
371d5dec MS |
1208 | /* If we just got an empty line, and that is supposed to repeat the |
1209 | previous command, return the value in the global buffer. */ | |
d318976c | 1210 | if (repeat && p == linebuffer) |
dc7eb48e | 1211 | return saved_command_line; |
d318976c FN |
1212 | for (p1 = linebuffer; *p1 == ' ' || *p1 == '\t'; p1++); |
1213 | if (repeat && !*p1) | |
dc7eb48e | 1214 | return saved_command_line; |
9e0b60a8 | 1215 | |
d318976c | 1216 | *p = 0; |
9e0b60a8 | 1217 | |
d318976c | 1218 | /* Add line to history if appropriate. */ |
840da61a | 1219 | if (*linebuffer && input_from_terminal_p ()) |
08b13bdd | 1220 | gdb_add_history (linebuffer); |
9e0b60a8 | 1221 | |
d318976c FN |
1222 | /* Save into global buffer if appropriate. */ |
1223 | if (repeat) | |
1224 | { | |
dc7eb48e | 1225 | if (linelength > saved_command_line_size) |
d318976c | 1226 | { |
224c3ddb SM |
1227 | saved_command_line |
1228 | = (char *) xrealloc (saved_command_line, linelength); | |
dc7eb48e | 1229 | saved_command_line_size = linelength; |
d318976c | 1230 | } |
dc7eb48e PA |
1231 | strcpy (saved_command_line, linebuffer); |
1232 | return saved_command_line; | |
d318976c | 1233 | } |
9e0b60a8 | 1234 | |
d318976c | 1235 | return linebuffer; |
9e0b60a8 JM |
1236 | } |
1237 | \f | |
371d5dec | 1238 | /* Print the GDB banner. */ |
9e0b60a8 | 1239 | void |
fba45db2 | 1240 | print_gdb_version (struct ui_file *stream) |
9e0b60a8 JM |
1241 | { |
1242 | /* From GNU coding standards, first line is meant to be easy for a | |
1243 | program to parse, and is just canonical program name and version | |
371d5dec | 1244 | number, which starts after last space. */ |
9e0b60a8 | 1245 | |
c16158bc | 1246 | fprintf_filtered (stream, "GNU gdb %s%s\n", PKGVERSION, version); |
9e0b60a8 | 1247 | |
371d5dec | 1248 | /* Second line is a copyright notice. */ |
9e0b60a8 | 1249 | |
3e43a32a | 1250 | fprintf_filtered (stream, |
edd88788 | 1251 | "Copyright (C) 2016 Free Software Foundation, Inc.\n"); |
9e0b60a8 JM |
1252 | |
1253 | /* Following the copyright is a brief statement that the program is | |
1254 | free software, that users are free to copy and change it on | |
1255 | certain conditions, that it is covered by the GNU GPL, and that | |
371d5dec | 1256 | there is no warranty. */ |
9e0b60a8 JM |
1257 | |
1258 | fprintf_filtered (stream, "\ | |
3e43a32a MS |
1259 | License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\ |
1260 | \nThis is free software: you are free to change and redistribute it.\n\ | |
0b93d57c | 1261 | There is NO WARRANTY, to the extent permitted by law. Type \"show copying\"\n\ |
b8533aec | 1262 | and \"show warranty\" for details.\n"); |
9e0b60a8 | 1263 | |
371d5dec | 1264 | /* After the required info we print the configuration information. */ |
9e0b60a8 JM |
1265 | |
1266 | fprintf_filtered (stream, "This GDB was configured as \""); | |
6314a349 | 1267 | if (strcmp (host_name, target_name) != 0) |
9e0b60a8 | 1268 | { |
3e43a32a MS |
1269 | fprintf_filtered (stream, "--host=%s --target=%s", |
1270 | host_name, target_name); | |
9e0b60a8 JM |
1271 | } |
1272 | else | |
1273 | { | |
1274 | fprintf_filtered (stream, "%s", host_name); | |
1275 | } | |
6eaaf48b EZ |
1276 | fprintf_filtered (stream, "\".\n\ |
1277 | Type \"show configuration\" for configuration details."); | |
c16158bc JM |
1278 | |
1279 | if (REPORT_BUGS_TO[0]) | |
1280 | { | |
6eaaf48b | 1281 | fprintf_filtered (stream, |
c16158bc | 1282 | _("\nFor bug reporting instructions, please see:\n")); |
1cf55f60 | 1283 | fprintf_filtered (stream, "%s.\n", REPORT_BUGS_TO); |
c16158bc | 1284 | } |
1cf55f60 PM |
1285 | fprintf_filtered (stream, |
1286 | _("Find the GDB manual and other documentation \ | |
1287 | resources online at:\n<http://www.gnu.org/software/gdb/documentation/>.\n")); | |
1288 | fprintf_filtered (stream, _("For help, type \"help\".\n")); | |
1289 | fprintf_filtered (stream, _("Type \"apropos word\" to search for \ | |
af4c453a | 1290 | commands related to \"word\".")); |
9e0b60a8 | 1291 | } |
6eaaf48b EZ |
1292 | |
1293 | /* Print the details of GDB build-time configuration. */ | |
1294 | void | |
1295 | print_gdb_configuration (struct ui_file *stream) | |
1296 | { | |
1297 | fprintf_filtered (stream, _("\ | |
1298 | This GDB was configured as follows:\n\ | |
1299 | configure --host=%s --target=%s\n\ | |
1300 | "), host_name, target_name); | |
1301 | fprintf_filtered (stream, _("\ | |
1302 | --with-auto-load-dir=%s\n\ | |
1303 | --with-auto-load-safe-path=%s\n\ | |
1304 | "), AUTO_LOAD_DIR, AUTO_LOAD_SAFE_PATH); | |
1305 | #if HAVE_LIBEXPAT | |
1306 | fprintf_filtered (stream, _("\ | |
1307 | --with-expat\n\ | |
1308 | ")); | |
1309 | #else | |
1310 | fprintf_filtered (stream, _("\ | |
1311 | --without-expat\n\ | |
1312 | ")); | |
1313 | #endif | |
1314 | if (GDB_DATADIR[0]) | |
1315 | fprintf_filtered (stream, _("\ | |
1316 | --with-gdb-datadir=%s%s\n\ | |
1317 | "), GDB_DATADIR, GDB_DATADIR_RELOCATABLE ? " (relocatable)" : ""); | |
1318 | #ifdef ICONV_BIN | |
1319 | fprintf_filtered (stream, _("\ | |
1320 | --with-iconv-bin=%s%s\n\ | |
1321 | "), ICONV_BIN, ICONV_BIN_RELOCATABLE ? " (relocatable)" : ""); | |
1322 | #endif | |
1323 | if (JIT_READER_DIR[0]) | |
1324 | fprintf_filtered (stream, _("\ | |
1325 | --with-jit-reader-dir=%s%s\n\ | |
1326 | "), JIT_READER_DIR, JIT_READER_DIR_RELOCATABLE ? " (relocatable)" : ""); | |
1327 | #if HAVE_LIBUNWIND_IA64_H | |
1328 | fprintf_filtered (stream, _("\ | |
1329 | --with-libunwind-ia64\n\ | |
1330 | ")); | |
1331 | #else | |
1332 | fprintf_filtered (stream, _("\ | |
1333 | --without-libunwind-ia64\n\ | |
1334 | ")); | |
1335 | #endif | |
1336 | #if HAVE_LIBLZMA | |
1337 | fprintf_filtered (stream, _("\ | |
1338 | --with-lzma\n\ | |
1339 | ")); | |
1340 | #else | |
1341 | fprintf_filtered (stream, _("\ | |
1342 | --without-lzma\n\ | |
1343 | ")); | |
1344 | #endif | |
1345 | #ifdef WITH_PYTHON_PATH | |
1346 | fprintf_filtered (stream, _("\ | |
1347 | --with-python=%s%s\n\ | |
1348 | "), WITH_PYTHON_PATH, PYTHON_PATH_RELOCATABLE ? " (relocatable)" : ""); | |
1349 | #endif | |
97d66cc6 EZ |
1350 | #if HAVE_GUILE |
1351 | fprintf_filtered (stream, _("\ | |
1352 | --with-guile\n\ | |
1353 | ")); | |
1354 | #else | |
1355 | fprintf_filtered (stream, _("\ | |
1356 | --without-guile\n\ | |
1357 | ")); | |
1358 | #endif | |
6eaaf48b EZ |
1359 | #ifdef RELOC_SRCDIR |
1360 | fprintf_filtered (stream, _("\ | |
1361 | --with-relocated-sources=%s\n\ | |
1362 | "), RELOC_SRCDIR); | |
1363 | #endif | |
1364 | if (DEBUGDIR[0]) | |
1365 | fprintf_filtered (stream, _("\ | |
1366 | --with-separate-debug-dir=%s%s\n\ | |
1367 | "), DEBUGDIR, DEBUGDIR_RELOCATABLE ? " (relocatable)" : ""); | |
1368 | if (TARGET_SYSTEM_ROOT[0]) | |
1369 | fprintf_filtered (stream, _("\ | |
1370 | --with-sysroot=%s%s\n\ | |
1371 | "), TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT_RELOCATABLE ? " (relocatable)" : ""); | |
1372 | if (SYSTEM_GDBINIT[0]) | |
1373 | fprintf_filtered (stream, _("\ | |
1374 | --with-system-gdbinit=%s%s\n\ | |
1375 | "), SYSTEM_GDBINIT, SYSTEM_GDBINIT_RELOCATABLE ? " (relocatable)" : ""); | |
ab116149 YQ |
1376 | #if HAVE_LIBBABELTRACE |
1377 | fprintf_filtered (stream, _("\ | |
1378 | --with-babeltrace\n\ | |
1379 | ")); | |
1380 | #else | |
1381 | fprintf_filtered (stream, _("\ | |
1382 | --without-babeltrace\n\ | |
1383 | ")); | |
1384 | #endif | |
48d1d6f5 EZ |
1385 | /* We assume "relocatable" will be printed at least once, thus we always |
1386 | print this text. It's a reasonably safe assumption for now. */ | |
1387 | fprintf_filtered (stream, _("\n\ | |
1388 | (\"Relocatable\" means the directory can be moved with the GDB installation\n\ | |
1389 | tree, and GDB will still find it.)\n\ | |
1390 | ")); | |
6eaaf48b | 1391 | } |
9e0b60a8 | 1392 | \f |
95298e72 | 1393 | |
ab821bc6 PA |
1394 | /* The current top level prompt, settable with "set prompt", and/or |
1395 | with the python `gdb.prompt_hook' hook. */ | |
1396 | static char *top_prompt; | |
9e0b60a8 | 1397 | |
ab821bc6 | 1398 | /* Access method for the GDB prompt string. */ |
95298e72 PM |
1399 | |
1400 | char * | |
ab821bc6 | 1401 | get_prompt (void) |
95298e72 | 1402 | { |
ab821bc6 | 1403 | return top_prompt; |
95298e72 PM |
1404 | } |
1405 | ||
ab821bc6 | 1406 | /* Set method for the GDB prompt string. */ |
95298e72 PM |
1407 | |
1408 | void | |
ab821bc6 | 1409 | set_prompt (const char *s) |
95298e72 | 1410 | { |
ab821bc6 | 1411 | char *p = xstrdup (s); |
95298e72 | 1412 | |
ab821bc6 PA |
1413 | xfree (top_prompt); |
1414 | top_prompt = p; | |
9e0b60a8 | 1415 | } |
9e0b60a8 | 1416 | \f |
c5aa993b | 1417 | |
b0abbc58 | 1418 | struct qt_args |
9e0b60a8 | 1419 | { |
b0abbc58 JJ |
1420 | char *args; |
1421 | int from_tty; | |
1422 | }; | |
9e0b60a8 | 1423 | |
54a012c9 PA |
1424 | /* Callback for iterate_over_inferiors. Kills or detaches the given |
1425 | inferior, depending on how we originally gained control of it. */ | |
1426 | ||
1427 | static int | |
1428 | kill_or_detach (struct inferior *inf, void *args) | |
1429 | { | |
19ba03f4 | 1430 | struct qt_args *qt = (struct qt_args *) args; |
54a012c9 PA |
1431 | struct thread_info *thread; |
1432 | ||
6c95b8df PA |
1433 | if (inf->pid == 0) |
1434 | return 0; | |
1435 | ||
b8fa0bfa PA |
1436 | thread = any_thread_of_process (inf->pid); |
1437 | if (thread != NULL) | |
9e0b60a8 | 1438 | { |
54a012c9 | 1439 | switch_to_thread (thread->ptid); |
c35b1492 PA |
1440 | |
1441 | /* Leave core files alone. */ | |
1442 | if (target_has_execution) | |
1443 | { | |
1444 | if (inf->attach_flag) | |
1445 | target_detach (qt->args, qt->from_tty); | |
1446 | else | |
1447 | target_kill (); | |
1448 | } | |
9e0b60a8 JM |
1449 | } |
1450 | ||
54a012c9 PA |
1451 | return 0; |
1452 | } | |
1453 | ||
b8fa0bfa PA |
1454 | /* Callback for iterate_over_inferiors. Prints info about what GDB |
1455 | will do to each inferior on a "quit". ARG points to a struct | |
1456 | ui_out where output is to be collected. */ | |
1457 | ||
1458 | static int | |
1459 | print_inferior_quit_action (struct inferior *inf, void *arg) | |
1460 | { | |
19ba03f4 | 1461 | struct ui_file *stb = (struct ui_file *) arg; |
b8fa0bfa | 1462 | |
6c95b8df PA |
1463 | if (inf->pid == 0) |
1464 | return 0; | |
1465 | ||
b8fa0bfa PA |
1466 | if (inf->attach_flag) |
1467 | fprintf_filtered (stb, | |
1468 | _("\tInferior %d [%s] will be detached.\n"), inf->num, | |
1469 | target_pid_to_str (pid_to_ptid (inf->pid))); | |
1470 | else | |
1471 | fprintf_filtered (stb, | |
1472 | _("\tInferior %d [%s] will be killed.\n"), inf->num, | |
1473 | target_pid_to_str (pid_to_ptid (inf->pid))); | |
1474 | ||
1475 | return 0; | |
1476 | } | |
1477 | ||
1478 | /* If necessary, make the user confirm that we should quit. Return | |
1479 | non-zero if we should quit, zero if we shouldn't. */ | |
1480 | ||
1481 | int | |
1482 | quit_confirm (void) | |
1483 | { | |
1484 | struct ui_file *stb; | |
1485 | struct cleanup *old_chain; | |
1486 | char *str; | |
1487 | int qr; | |
1488 | ||
1489 | /* Don't even ask if we're only debugging a core file inferior. */ | |
1490 | if (!have_live_inferiors ()) | |
1491 | return 1; | |
1492 | ||
1493 | /* Build the query string as a single string. */ | |
1494 | stb = mem_fileopen (); | |
1495 | old_chain = make_cleanup_ui_file_delete (stb); | |
1496 | ||
5a5d8ead AB |
1497 | fprintf_filtered (stb, _("A debugging session is active.\n\n")); |
1498 | iterate_over_inferiors (print_inferior_quit_action, stb); | |
1499 | fprintf_filtered (stb, _("\nQuit anyway? ")); | |
b8fa0bfa PA |
1500 | |
1501 | str = ui_file_xstrdup (stb, NULL); | |
1502 | make_cleanup (xfree, str); | |
1503 | ||
1504 | qr = query ("%s", str); | |
1505 | do_cleanups (old_chain); | |
1506 | return qr; | |
1507 | } | |
1508 | ||
18206ca3 PP |
1509 | /* Prepare to exit GDB cleanly by undoing any changes made to the |
1510 | terminal so that we leave the terminal in the state we acquired it. */ | |
1511 | ||
1512 | static void | |
1513 | undo_terminal_modifications_before_exit (void) | |
1514 | { | |
1515 | target_terminal_ours (); | |
1516 | #if defined(TUI) | |
1517 | tui_disable (); | |
1518 | #endif | |
1519 | if (async_command_editing_p) | |
1520 | gdb_disable_readline (); | |
1521 | } | |
1522 | ||
1523 | ||
b0abbc58 JJ |
1524 | /* Quit without asking for confirmation. */ |
1525 | ||
1526 | void | |
1527 | quit_force (char *args, int from_tty) | |
1528 | { | |
1529 | int exit_code = 0; | |
365c70b1 | 1530 | struct qt_args qt; |
b0abbc58 | 1531 | |
18206ca3 PP |
1532 | undo_terminal_modifications_before_exit (); |
1533 | ||
b0abbc58 | 1534 | /* An optional expression may be used to cause gdb to terminate with the |
371d5dec | 1535 | value of that expression. */ |
b0abbc58 JJ |
1536 | if (args) |
1537 | { | |
1538 | struct value *val = parse_and_eval (args); | |
1539 | ||
1540 | exit_code = (int) value_as_long (val); | |
1541 | } | |
4b0ad762 AS |
1542 | else if (return_child_result) |
1543 | exit_code = return_child_result_value; | |
b0abbc58 | 1544 | |
365c70b1 JJ |
1545 | qt.args = args; |
1546 | qt.from_tty = from_tty; | |
1547 | ||
b0abbc58 | 1548 | /* We want to handle any quit errors and exit regardless. */ |
2f9d54cf PA |
1549 | |
1550 | /* Get out of tfind mode, and kill or detach all inferiors. */ | |
492d29ea | 1551 | TRY |
2f9d54cf PA |
1552 | { |
1553 | disconnect_tracing (); | |
1554 | iterate_over_inferiors (kill_or_detach, &qt); | |
1555 | } | |
492d29ea PA |
1556 | CATCH (ex, RETURN_MASK_ALL) |
1557 | { | |
1558 | exception_print (gdb_stderr, ex); | |
1559 | } | |
1560 | END_CATCH | |
2f9d54cf PA |
1561 | |
1562 | /* Give all pushed targets a chance to do minimal cleanup, and pop | |
1563 | them all out. */ | |
492d29ea | 1564 | TRY |
2f9d54cf PA |
1565 | { |
1566 | pop_all_targets (); | |
1567 | } | |
492d29ea PA |
1568 | CATCH (ex, RETURN_MASK_ALL) |
1569 | { | |
1570 | exception_print (gdb_stderr, ex); | |
1571 | } | |
1572 | END_CATCH | |
2f9d54cf PA |
1573 | |
1574 | /* Save the history information if it is appropriate to do so. */ | |
492d29ea | 1575 | TRY |
2f9d54cf | 1576 | { |
35ab155d MB |
1577 | if (write_history_p && history_filename |
1578 | && input_from_terminal_p ()) | |
08b13bdd | 1579 | gdb_safe_append_history (); |
2f9d54cf | 1580 | } |
492d29ea PA |
1581 | CATCH (ex, RETURN_MASK_ALL) |
1582 | { | |
1583 | exception_print (gdb_stderr, ex); | |
1584 | } | |
1585 | END_CATCH | |
2f9d54cf PA |
1586 | |
1587 | /* Do any final cleanups before exiting. */ | |
492d29ea | 1588 | TRY |
2f9d54cf PA |
1589 | { |
1590 | do_final_cleanups (all_cleanups ()); | |
1591 | } | |
492d29ea PA |
1592 | CATCH (ex, RETURN_MASK_ALL) |
1593 | { | |
1594 | exception_print (gdb_stderr, ex); | |
1595 | } | |
1596 | END_CATCH | |
b0abbc58 | 1597 | |
9e0b60a8 JM |
1598 | exit (exit_code); |
1599 | } | |
1600 | ||
698ba934 DJ |
1601 | /* Returns whether GDB is running on a terminal and input is |
1602 | currently coming from that terminal. */ | |
9e0b60a8 JM |
1603 | |
1604 | int | |
fba45db2 | 1605 | input_from_terminal_p (void) |
9e0b60a8 | 1606 | { |
c63a1f86 JK |
1607 | if (batch_flag) |
1608 | return 0; | |
1609 | ||
698ba934 DJ |
1610 | if (gdb_has_a_terminal () && instream == stdin) |
1611 | return 1; | |
1612 | ||
1613 | /* If INSTREAM is unset, and we are not in a user command, we | |
1614 | must be in Insight. That's like having a terminal, for our | |
1615 | purposes. */ | |
1616 | if (instream == NULL && !in_user_command) | |
1617 | return 1; | |
1618 | ||
1619 | return 0; | |
9e0b60a8 JM |
1620 | } |
1621 | \f | |
9e0b60a8 | 1622 | static void |
fba45db2 | 1623 | dont_repeat_command (char *ignored, int from_tty) |
9e0b60a8 | 1624 | { |
dc7eb48e PA |
1625 | /* Can't call dont_repeat here because we're not necessarily reading |
1626 | from stdin. */ | |
1627 | *saved_command_line = 0; | |
9e0b60a8 JM |
1628 | } |
1629 | \f | |
1630 | /* Functions to manipulate command line editing control variables. */ | |
1631 | ||
1632 | /* Number of commands to print in each call to show_commands. */ | |
1633 | #define Hist_print 10 | |
d318976c | 1634 | void |
fba45db2 | 1635 | show_commands (char *args, int from_tty) |
9e0b60a8 JM |
1636 | { |
1637 | /* Index for history commands. Relative to history_base. */ | |
1638 | int offset; | |
1639 | ||
1640 | /* Number of the history entry which we are planning to display next. | |
1641 | Relative to history_base. */ | |
1642 | static int num = 0; | |
1643 | ||
9e0b60a8 | 1644 | /* Print out some of the commands from the command history. */ |
9e0b60a8 JM |
1645 | |
1646 | if (args) | |
1647 | { | |
1648 | if (args[0] == '+' && args[1] == '\0') | |
1649 | /* "info editing +" should print from the stored position. */ | |
1650 | ; | |
1651 | else | |
1652 | /* "info editing <exp>" should print around command number <exp>. */ | |
0e828ed1 | 1653 | num = (parse_and_eval_long (args) - history_base) - Hist_print / 2; |
9e0b60a8 JM |
1654 | } |
1655 | /* "show commands" means print the last Hist_print commands. */ | |
1656 | else | |
1657 | { | |
840a9a1f | 1658 | num = history_length - Hist_print; |
9e0b60a8 JM |
1659 | } |
1660 | ||
1661 | if (num < 0) | |
1662 | num = 0; | |
1663 | ||
1664 | /* If there are at least Hist_print commands, we want to display the last | |
1665 | Hist_print rather than, say, the last 6. */ | |
840a9a1f | 1666 | if (history_length - num < Hist_print) |
9e0b60a8 | 1667 | { |
840a9a1f | 1668 | num = history_length - Hist_print; |
9e0b60a8 JM |
1669 | if (num < 0) |
1670 | num = 0; | |
1671 | } | |
1672 | ||
840a9a1f PA |
1673 | for (offset = num; |
1674 | offset < num + Hist_print && offset < history_length; | |
1675 | offset++) | |
9e0b60a8 JM |
1676 | { |
1677 | printf_filtered ("%5d %s\n", history_base + offset, | |
c5aa993b | 1678 | (history_get (history_base + offset))->line); |
9e0b60a8 JM |
1679 | } |
1680 | ||
1681 | /* The next command we want to display is the next one that we haven't | |
1682 | displayed yet. */ | |
1683 | num += Hist_print; | |
1684 | ||
1685 | /* If the user repeats this command with return, it should do what | |
1686 | "show commands +" does. This is unnecessary if arg is null, | |
1687 | because "show commands +" is not useful after "show commands". */ | |
1688 | if (from_tty && args) | |
1689 | { | |
1690 | args[0] = '+'; | |
1691 | args[1] = '\0'; | |
1692 | } | |
1693 | } | |
1694 | ||
ebfd00d2 | 1695 | /* Update the size of our command history file to HISTORY_SIZE. |
840a9a1f | 1696 | |
ebfd00d2 | 1697 | A HISTORY_SIZE of -1 stands for unlimited. */ |
840a9a1f | 1698 | |
ebfd00d2 PP |
1699 | static void |
1700 | set_readline_history_size (int history_size) | |
1701 | { | |
1702 | gdb_assert (history_size >= -1); | |
840a9a1f | 1703 | |
ebfd00d2 | 1704 | if (history_size == -1) |
840a9a1f | 1705 | unstifle_history (); |
883b9c6c | 1706 | else |
ebfd00d2 PP |
1707 | stifle_history (history_size); |
1708 | } | |
1709 | ||
1710 | /* Called by do_setshow_command. */ | |
1711 | static void | |
1712 | set_history_size_command (char *args, int from_tty, struct cmd_list_element *c) | |
1713 | { | |
1714 | set_readline_history_size (history_size_setshow_var); | |
9e0b60a8 JM |
1715 | } |
1716 | ||
d318976c | 1717 | void |
fba45db2 | 1718 | set_history (char *args, int from_tty) |
9e0b60a8 | 1719 | { |
3e43a32a MS |
1720 | printf_unfiltered (_("\"set history\" must be followed " |
1721 | "by the name of a history subcommand.\n")); | |
635c7e8a | 1722 | help_list (sethistlist, "set history ", all_commands, gdb_stdout); |
9e0b60a8 JM |
1723 | } |
1724 | ||
d318976c | 1725 | void |
fba45db2 | 1726 | show_history (char *args, int from_tty) |
9e0b60a8 JM |
1727 | { |
1728 | cmd_show_list (showhistlist, from_tty, ""); | |
1729 | } | |
1730 | ||
371d5dec | 1731 | int info_verbose = 0; /* Default verbose msgs off. */ |
9e0b60a8 JM |
1732 | |
1733 | /* Called by do_setshow_command. An elaborate joke. */ | |
d318976c | 1734 | void |
fba45db2 | 1735 | set_verbose (char *args, int from_tty, struct cmd_list_element *c) |
9e0b60a8 | 1736 | { |
6f937416 | 1737 | const char *cmdname = "verbose"; |
9e0b60a8 JM |
1738 | struct cmd_list_element *showcmd; |
1739 | ||
1740 | showcmd = lookup_cmd_1 (&cmdname, showlist, NULL, 1); | |
1427fe5e | 1741 | gdb_assert (showcmd != NULL && showcmd != CMD_LIST_AMBIGUOUS); |
9e0b60a8 JM |
1742 | |
1743 | if (info_verbose) | |
1744 | { | |
1745 | c->doc = "Set verbose printing of informational messages."; | |
1746 | showcmd->doc = "Show verbose printing of informational messages."; | |
1747 | } | |
1748 | else | |
1749 | { | |
1750 | c->doc = "Set verbosity."; | |
1751 | showcmd->doc = "Show verbosity."; | |
1752 | } | |
1753 | } | |
1754 | ||
9e0b60a8 | 1755 | /* Init the history buffer. Note that we are called after the init file(s) |
371d5dec MS |
1756 | have been read so that the user can change the history file via his |
1757 | .gdbinit file (for instance). The GDBHISTFILE environment variable | |
1758 | overrides all of this. */ | |
9e0b60a8 JM |
1759 | |
1760 | void | |
fba45db2 | 1761 | init_history (void) |
9e0b60a8 JM |
1762 | { |
1763 | char *tmpenv; | |
1764 | ||
b58c513b | 1765 | tmpenv = getenv ("GDBHISTSIZE"); |
9e0b60a8 | 1766 | if (tmpenv) |
840a9a1f | 1767 | { |
bc460514 | 1768 | long var; |
0fc26caf | 1769 | int saved_errno; |
bc460514 PP |
1770 | char *endptr; |
1771 | ||
1772 | tmpenv = skip_spaces (tmpenv); | |
0fc26caf | 1773 | errno = 0; |
bc460514 | 1774 | var = strtol (tmpenv, &endptr, 10); |
0fc26caf | 1775 | saved_errno = errno; |
bc460514 PP |
1776 | endptr = skip_spaces (endptr); |
1777 | ||
1778 | /* If GDBHISTSIZE is non-numeric then ignore it. If GDBHISTSIZE is the | |
1779 | empty string, a negative number or a huge positive number (larger than | |
1780 | INT_MAX) then set the history size to unlimited. Otherwise set our | |
1781 | history size to the number we have read. This behavior is consistent | |
1782 | with how bash handles HISTSIZE. */ | |
1783 | if (*endptr != '\0') | |
1784 | ; | |
1785 | else if (*tmpenv == '\0' | |
1786 | || var < 0 | |
0fc26caf PP |
1787 | || var > INT_MAX |
1788 | /* On targets where INT_MAX == LONG_MAX, we have to look at | |
1789 | errno after calling strtol to distinguish between a value that | |
1790 | is exactly INT_MAX and an overflowing value that was clamped | |
1791 | to INT_MAX. */ | |
1792 | || (var == INT_MAX && saved_errno == ERANGE)) | |
bc460514 PP |
1793 | history_size_setshow_var = -1; |
1794 | else | |
1795 | history_size_setshow_var = var; | |
840a9a1f | 1796 | } |
bc460514 PP |
1797 | |
1798 | /* If neither the init file nor GDBHISTSIZE has set a size yet, pick the | |
1799 | default. */ | |
1800 | if (history_size_setshow_var == -2) | |
840a9a1f | 1801 | history_size_setshow_var = 256; |
9e0b60a8 | 1802 | |
ebfd00d2 | 1803 | set_readline_history_size (history_size_setshow_var); |
9e0b60a8 JM |
1804 | |
1805 | tmpenv = getenv ("GDBHISTFILE"); | |
1806 | if (tmpenv) | |
1b36a34b | 1807 | history_filename = xstrdup (tmpenv); |
c5aa993b JM |
1808 | else if (!history_filename) |
1809 | { | |
1810 | /* We include the current directory so that if the user changes | |
1811 | directories the file written will be the same as the one | |
1812 | that was read. */ | |
a0b3c4fd | 1813 | #ifdef __MSDOS__ |
eb2f494a | 1814 | /* No leading dots in file names are allowed on MSDOS. */ |
1754f103 MK |
1815 | history_filename = concat (current_directory, "/_gdb_history", |
1816 | (char *)NULL); | |
a0b3c4fd | 1817 | #else |
1754f103 MK |
1818 | history_filename = concat (current_directory, "/.gdb_history", |
1819 | (char *)NULL); | |
a0b3c4fd | 1820 | #endif |
c5aa993b | 1821 | } |
9e0b60a8 JM |
1822 | read_history (history_filename); |
1823 | } | |
1824 | ||
920d2a44 | 1825 | static void |
ab821bc6 PA |
1826 | show_prompt (struct ui_file *file, int from_tty, |
1827 | struct cmd_list_element *c, const char *value) | |
920d2a44 AC |
1828 | { |
1829 | fprintf_filtered (file, _("Gdb's prompt is \"%s\".\n"), value); | |
1830 | } | |
1831 | ||
1832 | static void | |
1833 | show_async_command_editing_p (struct ui_file *file, int from_tty, | |
1834 | struct cmd_list_element *c, const char *value) | |
1835 | { | |
3e43a32a MS |
1836 | fprintf_filtered (file, _("Editing of command lines as " |
1837 | "they are typed is %s.\n"), | |
920d2a44 AC |
1838 | value); |
1839 | } | |
1840 | ||
1841 | static void | |
1842 | show_annotation_level (struct ui_file *file, int from_tty, | |
1843 | struct cmd_list_element *c, const char *value) | |
1844 | { | |
1845 | fprintf_filtered (file, _("Annotation_level is %s.\n"), value); | |
1846 | } | |
1847 | ||
1848 | static void | |
1849 | show_exec_done_display_p (struct ui_file *file, int from_tty, | |
1850 | struct cmd_list_element *c, const char *value) | |
1851 | { | |
3e43a32a MS |
1852 | fprintf_filtered (file, _("Notification of completion for " |
1853 | "asynchronous execution commands is %s.\n"), | |
920d2a44 AC |
1854 | value); |
1855 | } | |
6dea1fbd | 1856 | |
8d551b02 DE |
1857 | /* New values of the "data-directory" parameter are staged here. */ |
1858 | static char *staged_gdb_datadir; | |
1859 | ||
6dea1fbd JK |
1860 | /* "set" command for the gdb_datadir configuration variable. */ |
1861 | ||
1862 | static void | |
1863 | set_gdb_datadir (char *args, int from_tty, struct cmd_list_element *c) | |
1864 | { | |
8d551b02 | 1865 | set_gdb_data_directory (staged_gdb_datadir); |
6dea1fbd JK |
1866 | observer_notify_gdb_datadir_changed (); |
1867 | } | |
1868 | ||
8d551b02 DE |
1869 | /* "show" command for the gdb_datadir configuration variable. */ |
1870 | ||
1871 | static void | |
1872 | show_gdb_datadir (struct ui_file *file, int from_tty, | |
1873 | struct cmd_list_element *c, const char *value) | |
1874 | { | |
1875 | fprintf_filtered (file, _("GDB's data directory is \"%s\".\n"), | |
1876 | gdb_datadir); | |
1877 | } | |
1878 | ||
97c85fc6 MB |
1879 | static void |
1880 | set_history_filename (char *args, int from_tty, struct cmd_list_element *c) | |
1881 | { | |
1882 | /* We include the current directory so that if the user changes | |
1883 | directories the file written will be the same as the one | |
1884 | that was read. */ | |
1885 | if (!IS_ABSOLUTE_PATH (history_filename)) | |
1886 | history_filename = reconcat (history_filename, current_directory, "/", | |
1887 | history_filename, (char *) NULL); | |
1888 | } | |
1889 | ||
9e0b60a8 | 1890 | static void |
fba45db2 | 1891 | init_main (void) |
9e0b60a8 | 1892 | { |
ab821bc6 PA |
1893 | /* Initialize the prompt to a simple "(gdb) " prompt or to whatever |
1894 | the DEFAULT_PROMPT is. */ | |
1895 | set_prompt (DEFAULT_PROMPT); | |
1896 | ||
9e0b60a8 JM |
1897 | /* Set the important stuff up for command editing. */ |
1898 | command_editing_p = 1; | |
9e0b60a8 | 1899 | history_expansion_p = 0; |
452a569e | 1900 | write_history_p = 0; |
9e0b60a8 JM |
1901 | |
1902 | /* Setup important stuff for command line editing. */ | |
67c296a2 | 1903 | rl_completion_word_break_hook = gdb_completion_word_break_characters; |
38017ce8 | 1904 | rl_completion_entry_function = readline_line_completion_function; |
51065942 | 1905 | rl_completer_word_break_characters = default_word_break_characters (); |
d318976c | 1906 | rl_completer_quote_characters = get_gdb_completer_quote_characters (); |
82083d6d | 1907 | rl_completion_display_matches_hook = cli_display_match_list; |
9e0b60a8 | 1908 | rl_readline_name = "gdb"; |
7cb3ec5e | 1909 | rl_terminal_name = getenv ("TERM"); |
9e0b60a8 | 1910 | |
467d8519 TT |
1911 | /* The name for this defun comes from Bash, where it originated. |
1912 | 15 is Control-o, the same binding this function has in Bash. */ | |
1913 | rl_add_defun ("operate-and-get-next", gdb_rl_operate_and_get_next, 15); | |
1914 | ||
4d28ad1e | 1915 | add_setshow_string_cmd ("prompt", class_support, |
ab821bc6 | 1916 | &top_prompt, |
3e43a32a MS |
1917 | _("Set gdb's prompt"), |
1918 | _("Show gdb's prompt"), | |
ab821bc6 PA |
1919 | NULL, NULL, |
1920 | show_prompt, | |
4d28ad1e | 1921 | &setlist, &showlist); |
9e0b60a8 | 1922 | |
1bedd215 | 1923 | add_com ("dont-repeat", class_support, dont_repeat_command, _("\ |
3e43a32a MS |
1924 | Don't repeat this command.\nPrimarily \ |
1925 | used inside of user-defined commands that should not be repeated when\n\ | |
1bedd215 | 1926 | hitting return.")); |
9e0b60a8 | 1927 | |
5bf193a2 AC |
1928 | add_setshow_boolean_cmd ("editing", class_support, |
1929 | &async_command_editing_p, _("\ | |
1930 | Set editing of command lines as they are typed."), _("\ | |
1931 | Show editing of command lines as they are typed."), _("\ | |
9e0b60a8 JM |
1932 | Use \"on\" to enable the editing, and \"off\" to disable it.\n\ |
1933 | Without an argument, command line editing is enabled. To edit, use\n\ | |
5bf193a2 AC |
1934 | EMACS-like or VI-like commands like control-P or ESC."), |
1935 | set_async_editing_command, | |
920d2a44 | 1936 | show_async_command_editing_p, |
5bf193a2 AC |
1937 | &setlist, &showlist); |
1938 | ||
1939 | add_setshow_boolean_cmd ("save", no_class, &write_history_p, _("\ | |
1940 | Set saving of the history record on exit."), _("\ | |
1941 | Show saving of the history record on exit."), _("\ | |
9e0b60a8 | 1942 | Use \"on\" to enable the saving, and \"off\" to disable it.\n\ |
5bf193a2 AC |
1943 | Without an argument, saving is enabled."), |
1944 | NULL, | |
920d2a44 | 1945 | show_write_history_p, |
5bf193a2 | 1946 | &sethistlist, &showhistlist); |
9e0b60a8 | 1947 | |
ebfd00d2 PP |
1948 | add_setshow_zuinteger_unlimited_cmd ("size", no_class, |
1949 | &history_size_setshow_var, _("\ | |
4d28ad1e AC |
1950 | Set the size of the command history,"), _("\ |
1951 | Show the size of the command history,"), _("\ | |
f81d1120 PA |
1952 | ie. the number of previous commands to keep a record of.\n\ |
1953 | If set to \"unlimited\", the number of commands kept in the history\n\ | |
1954 | list is unlimited. This defaults to the value of the environment\n\ | |
b58c513b | 1955 | variable \"GDBHISTSIZE\", or to 256 if this variable is not set."), |
883b9c6c YQ |
1956 | set_history_size_command, |
1957 | show_history_size, | |
1958 | &sethistlist, &showhistlist); | |
4d28ad1e | 1959 | |
fc637f04 PP |
1960 | add_setshow_zuinteger_unlimited_cmd ("remove-duplicates", no_class, |
1961 | &history_remove_duplicates, _("\ | |
1962 | Set how far back in history to look for and remove duplicate entries."), _("\ | |
1963 | Show how far back in history to look for and remove duplicate entries."), _("\ | |
1964 | If set to a nonzero value N, GDB will look back at the last N history entries\n\ | |
1965 | and remove the first history entry that is a duplicate of the most recent\n\ | |
1966 | entry, each time a new history entry is added.\n\ | |
1967 | If set to \"unlimited\", this lookbehind is unbounded.\n\ | |
1968 | Only history entries added during this session are considered for removal.\n\ | |
1969 | If set to 0, removal of duplicate history entries is disabled.\n\ | |
1970 | By default this option is set to 0."), | |
1971 | NULL, | |
1972 | show_history_remove_duplicates, | |
1973 | &sethistlist, &showhistlist); | |
1974 | ||
4d28ad1e AC |
1975 | add_setshow_filename_cmd ("filename", no_class, &history_filename, _("\ |
1976 | Set the filename in which to record the command history"), _("\ | |
1977 | Show the filename in which to record the command history"), _("\ | |
1978 | (the list of previous commands of which a record is kept)."), | |
97c85fc6 | 1979 | set_history_filename, |
920d2a44 | 1980 | show_history_filename, |
4d28ad1e | 1981 | &sethistlist, &showhistlist); |
9e0b60a8 | 1982 | |
e360902b | 1983 | add_setshow_boolean_cmd ("confirm", class_support, &confirm, _("\ |
5bf193a2 AC |
1984 | Set whether to confirm potentially dangerous operations."), _("\ |
1985 | Show whether to confirm potentially dangerous operations."), NULL, | |
1986 | NULL, | |
e360902b | 1987 | show_confirm, |
5bf193a2 | 1988 | &setlist, &showlist); |
9e0b60a8 | 1989 | |
85c07804 AC |
1990 | add_setshow_zinteger_cmd ("annotate", class_obscure, &annotation_level, _("\ |
1991 | Set annotation_level."), _("\ | |
1992 | Show annotation_level."), _("\ | |
9e0b60a8 | 1993 | 0 == normal; 1 == fullname (for use when running under emacs)\n\ |
85c07804 | 1994 | 2 == output annotated suitably for use by programs that control GDB."), |
ab821bc6 | 1995 | NULL, |
920d2a44 | 1996 | show_annotation_level, |
85c07804 | 1997 | &setlist, &showlist); |
362646f5 | 1998 | |
5bf193a2 AC |
1999 | add_setshow_boolean_cmd ("exec-done-display", class_support, |
2000 | &exec_done_display_p, _("\ | |
2001 | Set notification of completion for asynchronous execution commands."), _("\ | |
2002 | Show notification of completion for asynchronous execution commands."), _("\ | |
2003 | Use \"on\" to enable the notification, and \"off\" to disable it."), | |
2004 | NULL, | |
920d2a44 | 2005 | show_exec_done_display_p, |
5bf193a2 | 2006 | &setlist, &showlist); |
b14b1491 TT |
2007 | |
2008 | add_setshow_filename_cmd ("data-directory", class_maintenance, | |
8d551b02 | 2009 | &staged_gdb_datadir, _("Set GDB's data directory."), |
b14b1491 TT |
2010 | _("Show GDB's data directory."), |
2011 | _("\ | |
2012 | When set, GDB uses the specified path to search for data files."), | |
8d551b02 | 2013 | set_gdb_datadir, show_gdb_datadir, |
b14b1491 TT |
2014 | &setlist, |
2015 | &showlist); | |
9e0b60a8 | 2016 | } |
64cdedad EZ |
2017 | |
2018 | void | |
2019 | gdb_init (char *argv0) | |
2020 | { | |
2021 | if (pre_init_ui_hook) | |
2022 | pre_init_ui_hook (); | |
2023 | ||
371d5dec | 2024 | /* Run the init function of each source file. */ |
64cdedad | 2025 | |
64cdedad EZ |
2026 | #ifdef __MSDOS__ |
2027 | /* Make sure we return to the original directory upon exit, come | |
2028 | what may, since the OS doesn't do that for us. */ | |
2029 | make_final_cleanup (do_chdir_cleanup, xstrdup (current_directory)); | |
2030 | #endif | |
2031 | ||
371d5dec MS |
2032 | init_cmd_lists (); /* This needs to be done first. */ |
2033 | initialize_targets (); /* Setup target_terminal macros for utils.c. */ | |
2034 | initialize_utils (); /* Make errors and warnings possible. */ | |
9dea9163 | 2035 | |
24b73f8e PP |
2036 | init_page_info (); |
2037 | ||
9dea9163 | 2038 | /* Here is where we call all the _initialize_foo routines. */ |
64cdedad | 2039 | initialize_all_files (); |
9dea9163 | 2040 | |
6c95b8df PA |
2041 | /* This creates the current_program_space. Do this after all the |
2042 | _initialize_foo routines have had a chance to install their | |
2043 | per-sspace data keys. Also do this before | |
2044 | initialize_current_architecture is called, because it accesses | |
2045 | exec_bfd of the current program space. */ | |
2046 | initialize_progspace (); | |
2047 | initialize_inferiors (); | |
64cdedad EZ |
2048 | initialize_current_architecture (); |
2049 | init_cli_cmds(); | |
371d5dec | 2050 | init_main (); /* But that omits this file! Do it now. */ |
64cdedad | 2051 | |
0ea3f30e DJ |
2052 | initialize_stdin_serial (); |
2053 | ||
6a06d660 PP |
2054 | /* Take a snapshot of our tty state before readline/ncurses have had a chance |
2055 | to alter it. */ | |
2056 | set_initial_gdb_ttystate (); | |
2057 | ||
362646f5 | 2058 | async_init_signals (); |
64cdedad | 2059 | |
371d5dec MS |
2060 | /* We need a default language for parsing expressions, so simple |
2061 | things like "set width 0" won't fail if no language is explicitly | |
2062 | set in a config file or implicitly set by reading an executable | |
2063 | during startup. */ | |
64cdedad | 2064 | set_language (language_c); |
371d5dec | 2065 | expected_language = current_language; /* Don't warn about the change. */ |
64cdedad | 2066 | |
6dddc817 | 2067 | /* Python initialization, for example, can require various commands to be |
371d5dec MS |
2068 | installed. For example "info pretty-printer" needs the "info" |
2069 | prefix to be installed. Keep things simple and just do final | |
6dddc817 DE |
2070 | script initialization here. */ |
2071 | finish_ext_lang_initialization (); | |
64cdedad | 2072 | } |