Commit | Line | Data |
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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" |
3212b858 | 54 | #include "gdb_select.h" |
c906108c | 55 | |
371d5dec | 56 | /* readline include files. */ |
dbda9972 AC |
57 | #include "readline/readline.h" |
58 | #include "readline/history.h" | |
c906108c SS |
59 | |
60 | /* readline defines this. */ | |
61 | #undef savestring | |
62 | ||
63 | #include <sys/types.h> | |
c906108c | 64 | |
c2c6d25f | 65 | #include "event-top.h" |
53ce3c39 | 66 | #include <sys/stat.h> |
c906108c | 67 | #include <ctype.h> |
8b93c638 JM |
68 | #include "ui-out.h" |
69 | #include "cli-out.h" | |
2f9d54cf | 70 | #include "tracepoint.h" |
93d6eb10 | 71 | #include "inf-loop.h" |
c906108c | 72 | |
18206ca3 PP |
73 | #if defined(TUI) |
74 | # include "tui/tui.h" | |
75 | #endif | |
76 | ||
ca7b0bbc TT |
77 | extern void initialize_all_files (void); |
78 | ||
95298e72 PM |
79 | #define PROMPT(X) the_prompts.prompt_stack[the_prompts.top + X].prompt |
80 | #define PREFIX(X) the_prompts.prompt_stack[the_prompts.top + X].prefix | |
81 | #define SUFFIX(X) the_prompts.prompt_stack[the_prompts.top + X].suffix | |
82 | ||
371d5dec | 83 | /* Default command line prompt. This is overriden in some configs. */ |
104c1213 JM |
84 | |
85 | #ifndef DEFAULT_PROMPT | |
86 | #define DEFAULT_PROMPT "(gdb) " | |
c906108c SS |
87 | #endif |
88 | ||
79aa2fe8 PA |
89 | /* Generate a function that exports a pointer to a field of the |
90 | current UI. */ | |
91 | ||
92 | #define gen_ret_current_ui_field_ptr(type, name) \ | |
93 | type * \ | |
94 | current_ui_## name ## _ptr (void) \ | |
95 | { \ | |
96 | return ¤t_ui->m_ ## name; \ | |
97 | } | |
98 | ||
99 | gen_ret_current_ui_field_ptr (struct ui_file *, gdb_stdout) | |
100 | gen_ret_current_ui_field_ptr (struct ui_file *, gdb_stdin) | |
101 | gen_ret_current_ui_field_ptr (struct ui_file *, gdb_stderr) | |
102 | gen_ret_current_ui_field_ptr (struct ui_file *, gdb_stdlog) | |
b6dcde57 | 103 | gen_ret_current_ui_field_ptr (struct ui_out *, current_uiout) |
79aa2fe8 | 104 | |
e655c1a2 | 105 | /* Initialization file name for gdb. This is host-dependent. */ |
eaae3919 | 106 | |
e655c1a2 | 107 | const char gdbinit[] = GDBINIT; |
c906108c SS |
108 | |
109 | int inhibit_gdbinit = 0; | |
110 | ||
c906108c SS |
111 | extern char lang_frame_mismatch_warn[]; /* language.c */ |
112 | ||
050a2e1d PA |
113 | /* Flag for whether we want to confirm potentially dangerous |
114 | operations. Default is yes. */ | |
115 | ||
e360902b | 116 | int confirm = 1; |
c906108c | 117 | |
920d2a44 | 118 | static void |
e360902b | 119 | show_confirm (struct ui_file *file, int from_tty, |
920d2a44 AC |
120 | struct cmd_list_element *c, const char *value) |
121 | { | |
3e43a32a MS |
122 | fprintf_filtered (file, _("Whether to confirm potentially " |
123 | "dangerous operations is %s.\n"), | |
920d2a44 AC |
124 | value); |
125 | } | |
c906108c | 126 | |
698ba934 DJ |
127 | /* Flag to indicate whether a user defined command is currently running. */ |
128 | ||
129 | int in_user_command; | |
130 | ||
c906108c SS |
131 | /* Current working directory. */ |
132 | ||
133 | char *current_directory; | |
134 | ||
135 | /* The directory name is actually stored here (usually). */ | |
136 | char gdb_dirbuf[1024]; | |
137 | ||
2669cade PA |
138 | /* The last command line executed on the console. Used for command |
139 | repetitions. */ | |
dc7eb48e | 140 | char *saved_command_line; |
c906108c SS |
141 | |
142 | /* Nonzero if the current command is modified by "server ". This | |
c2d11a7d | 143 | affects things like recording into the command history, commands |
c906108c SS |
144 | repeating on RETURN, etc. This is so a user interface (emacs, GUI, |
145 | whatever) can issue its own commands and also send along commands | |
146 | from the user, and have the user not notice that the user interface | |
147 | is issuing commands too. */ | |
148 | int server_command; | |
149 | ||
371d5dec | 150 | /* Timeout limit for response from target. */ |
c906108c | 151 | |
ce808e91 AC |
152 | /* The default value has been changed many times over the years. It |
153 | was originally 5 seconds. But that was thought to be a long time | |
154 | to sit and wait, so it was changed to 2 seconds. That was thought | |
155 | to be plenty unless the connection was going through some terminal | |
156 | server or multiplexer or other form of hairy serial connection. | |
157 | ||
158 | In mid-1996, remote_timeout was moved from remote.c to top.c and | |
159 | it began being used in other remote-* targets. It appears that the | |
160 | default was changed to 20 seconds at that time, perhaps because the | |
85a453d5 | 161 | Renesas E7000 ICE didn't always respond in a timely manner. |
ce808e91 AC |
162 | |
163 | But if 5 seconds is a long time to sit and wait for retransmissions, | |
164 | 20 seconds is far worse. This demonstrates the difficulty of using | |
165 | a single variable for all protocol timeouts. | |
166 | ||
167 | As remote.c is used much more than remote-e7000.c, it was changed | |
371d5dec | 168 | back to 2 seconds in 1999. */ |
ce808e91 AC |
169 | |
170 | int remote_timeout = 2; | |
c906108c SS |
171 | |
172 | /* Non-zero tells remote* modules to output debugging info. */ | |
173 | ||
174 | int remote_debug = 0; | |
175 | ||
6dd77b81 RH |
176 | /* Sbrk location on entry to main. Used for statistics only. */ |
177 | #ifdef HAVE_SBRK | |
178 | char *lim_at_start; | |
179 | #endif | |
180 | ||
c906108c SS |
181 | /* Hooks for alternate command interfaces. */ |
182 | ||
371d5dec MS |
183 | /* This hook is called from within gdb's many mini-event loops which |
184 | could steal control from a real user interface's event loop. It | |
185 | returns non-zero if the user is requesting a detach, zero | |
186 | otherwise. */ | |
7a292a7a | 187 | |
98bbd631 | 188 | int (*deprecated_ui_loop_hook) (int); |
c906108c | 189 | |
c906108c | 190 | |
c906108c SS |
191 | /* Called from print_frame_info to list the line we stopped in. */ |
192 | ||
371d5dec MS |
193 | void (*deprecated_print_frame_info_listing_hook) (struct symtab * s, |
194 | int line, | |
195 | int stopline, | |
196 | int noerror); | |
c906108c SS |
197 | /* Replaces most of query. */ |
198 | ||
9a4105ab | 199 | int (*deprecated_query_hook) (const char *, va_list); |
c906108c SS |
200 | |
201 | /* Replaces most of warning. */ | |
202 | ||
9a4105ab | 203 | void (*deprecated_warning_hook) (const char *, va_list); |
c906108c | 204 | |
9a4105ab AC |
205 | /* These three functions support getting lines of text from the user. |
206 | They are used in sequence. First deprecated_readline_begin_hook is | |
207 | called with a text string that might be (for example) a message for | |
208 | the user to type in a sequence of commands to be executed at a | |
209 | breakpoint. If this function calls back to a GUI, it might take | |
210 | this opportunity to pop up a text interaction window with this | |
211 | message. Next, deprecated_readline_hook is called with a prompt | |
212 | that is emitted prior to collecting the user input. It can be | |
213 | called multiple times. Finally, deprecated_readline_end_hook is | |
214 | called to notify the GUI that we are done with the interaction | |
215 | window and it can close it. */ | |
c906108c | 216 | |
9a4105ab | 217 | void (*deprecated_readline_begin_hook) (char *, ...); |
38bcc89d | 218 | char *(*deprecated_readline_hook) (const char *); |
9a4105ab | 219 | void (*deprecated_readline_end_hook) (void); |
c906108c | 220 | |
6426a772 | 221 | /* Called as appropriate to notify the interface that we have attached |
371d5dec | 222 | to or detached from an already running process. */ |
6426a772 | 223 | |
9a4105ab AC |
224 | void (*deprecated_attach_hook) (void); |
225 | void (*deprecated_detach_hook) (void); | |
6426a772 | 226 | |
371d5dec MS |
227 | /* Called during long calculations to allow GUI to repair window |
228 | damage, and to check for stop buttons, etc... */ | |
c906108c | 229 | |
9a4105ab | 230 | void (*deprecated_interactive_hook) (void); |
c906108c | 231 | |
371d5dec MS |
232 | /* Called when going to wait for the target. Usually allows the GUI |
233 | to run while waiting for target events. */ | |
c906108c | 234 | |
9a4105ab | 235 | ptid_t (*deprecated_target_wait_hook) (ptid_t ptid, |
47608cb1 PA |
236 | struct target_waitstatus *status, |
237 | int options); | |
c906108c | 238 | |
371d5dec MS |
239 | /* Used by UI as a wrapper around command execution. May do various |
240 | things like enabling/disabling buttons, etc... */ | |
c906108c | 241 | |
371d5dec MS |
242 | void (*deprecated_call_command_hook) (struct cmd_list_element * c, |
243 | char *cmd, int from_tty); | |
c906108c SS |
244 | |
245 | /* Called when the current thread changes. Argument is thread id. */ | |
246 | ||
9a4105ab | 247 | void (*deprecated_context_hook) (int id); |
c906108c | 248 | |
98d9f24e PA |
249 | /* The highest UI number ever assigned. */ |
250 | static int highest_ui_num; | |
251 | ||
252 | /* See top.h. */ | |
253 | ||
254 | struct ui * | |
255 | new_ui (FILE *instream, FILE *outstream, FILE *errstream) | |
256 | { | |
257 | struct ui *ui; | |
258 | ||
259 | ui = XCNEW (struct ui); | |
260 | ||
261 | ui->num = ++highest_ui_num; | |
262 | ui->instream = instream; | |
263 | ui->outstream = outstream; | |
264 | ui->errstream = errstream; | |
265 | ||
266 | ui->input_fd = fileno (ui->instream); | |
267 | ||
268 | ui->m_gdb_stdin = stdio_fileopen (ui->instream); | |
269 | ui->m_gdb_stdout = stdio_fileopen (ui->outstream); | |
270 | ui->m_gdb_stderr = stderr_fileopen (ui->errstream); | |
271 | ui->m_gdb_stdlog = ui->m_gdb_stderr; | |
272 | ||
273 | ui->prompt_state = PROMPT_NEEDED; | |
274 | ||
275 | if (ui_list == NULL) | |
276 | ui_list = ui; | |
277 | else | |
278 | { | |
279 | struct ui *last; | |
280 | ||
281 | for (last = ui_list; last->next != NULL; last = last->next) | |
282 | ; | |
283 | last->next = ui; | |
284 | } | |
285 | ||
286 | return ui; | |
287 | } | |
288 | ||
c906108c SS |
289 | /* Handler for SIGHUP. */ |
290 | ||
291 | #ifdef SIGHUP | |
392a587b | 292 | /* NOTE 1999-04-29: This function will be static again, once we modify |
cd0fc7c3 | 293 | gdb to use the event loop as the default command loop and we merge |
c378eb4e | 294 | event-top.c into this file, top.c. */ |
b2cd6b29 JM |
295 | /* static */ void |
296 | quit_cover (void) | |
c906108c | 297 | { |
e360902b PA |
298 | /* Stop asking user for confirmation --- we're exiting. This |
299 | prevents asking the user dumb questions. */ | |
300 | confirm = 0; | |
c5aa993b | 301 | quit_command ((char *) 0, 0); |
c906108c SS |
302 | } |
303 | #endif /* defined SIGHUP */ | |
304 | \f | |
7a9dd1b2 | 305 | /* Line number we are currently in, in a file which is being sourced. */ |
392a587b | 306 | /* NOTE 1999-04-29: This variable will be static again, once we modify |
cd0fc7c3 | 307 | gdb to use the event loop as the default command loop and we merge |
c378eb4e | 308 | event-top.c into this file, top.c. */ |
cd0fc7c3 | 309 | /* static */ int source_line_number; |
c906108c SS |
310 | |
311 | /* Name of the file we are sourcing. */ | |
392a587b | 312 | /* NOTE 1999-04-29: This variable will be static again, once we modify |
cd0fc7c3 | 313 | gdb to use the event loop as the default command loop and we merge |
c378eb4e | 314 | event-top.c into this file, top.c. */ |
05159abe | 315 | /* static */ const char *source_file_name; |
c906108c | 316 | |
c906108c SS |
317 | /* Clean up on error during a "source" command (or execution of a |
318 | user-defined command). */ | |
319 | ||
d318976c | 320 | void |
e41a3b1a | 321 | do_restore_instream_cleanup (void *stream) |
c906108c | 322 | { |
f38d3ad1 PA |
323 | struct ui *ui = current_ui; |
324 | ||
c906108c | 325 | /* Restore the previous input stream. */ |
f38d3ad1 | 326 | ui->instream = (FILE *) stream; |
c906108c SS |
327 | } |
328 | ||
329 | /* Read commands from STREAM. */ | |
330 | void | |
fba45db2 | 331 | read_command_file (FILE *stream) |
c906108c | 332 | { |
f38d3ad1 | 333 | struct ui *ui = current_ui; |
c906108c SS |
334 | struct cleanup *cleanups; |
335 | ||
f38d3ad1 PA |
336 | cleanups = make_cleanup (do_restore_instream_cleanup, ui->instream); |
337 | ui->instream = stream; | |
faa4ebe1 PA |
338 | |
339 | /* Read commands from `instream' and execute them until end of file | |
340 | or error reading instream. */ | |
341 | ||
f38d3ad1 | 342 | while (ui->instream != NULL && !feof (ui->instream)) |
faa4ebe1 PA |
343 | { |
344 | char *command; | |
345 | ||
346 | /* Get a command-line. This calls the readline package. */ | |
347 | command = command_line_input (NULL, 0, NULL); | |
348 | if (command == NULL) | |
349 | break; | |
350 | command_handler (command); | |
351 | } | |
352 | ||
c906108c SS |
353 | do_cleanups (cleanups); |
354 | } | |
355 | \f | |
507f3c78 | 356 | void (*pre_init_ui_hook) (void); |
c906108c | 357 | |
e41a3b1a | 358 | #ifdef __MSDOS__ |
70976b65 | 359 | static void |
e41a3b1a AC |
360 | do_chdir_cleanup (void *old_dir) |
361 | { | |
362 | chdir (old_dir); | |
b8c9b27d | 363 | xfree (old_dir); |
e41a3b1a AC |
364 | } |
365 | #endif | |
366 | ||
028d0ed5 | 367 | struct cleanup * |
4e5d721f DE |
368 | prepare_execute_command (void) |
369 | { | |
028d0ed5 TJB |
370 | struct value *mark; |
371 | struct cleanup *cleanup; | |
372 | ||
373 | mark = value_mark (); | |
374 | cleanup = make_cleanup_value_free_to_mark (mark); | |
4e5d721f | 375 | |
371d5dec MS |
376 | /* With multiple threads running while the one we're examining is |
377 | stopped, the dcache can get stale without us being able to detect | |
378 | it. For the duration of the command, though, use the dcache to | |
379 | help things like backtrace. */ | |
4e5d721f DE |
380 | if (non_stop) |
381 | target_dcache_invalidate (); | |
028d0ed5 TJB |
382 | |
383 | return cleanup; | |
4e5d721f DE |
384 | } |
385 | ||
77cce10f PA |
386 | /* Tell the user if the language has changed (except first time) after |
387 | executing a command. */ | |
388 | ||
389 | void | |
390 | check_frame_language_change (void) | |
391 | { | |
392 | static int warned = 0; | |
7ff38b1c | 393 | struct frame_info *frame; |
77cce10f PA |
394 | |
395 | /* First make sure that a new frame has been selected, in case the | |
396 | command or the hooks changed the program state. */ | |
7ff38b1c | 397 | frame = deprecated_safe_get_selected_frame (); |
77cce10f PA |
398 | if (current_language != expected_language) |
399 | { | |
400 | if (language_mode == language_mode_auto && info_verbose) | |
401 | { | |
402 | language_info (1); /* Print what changed. */ | |
403 | } | |
404 | warned = 0; | |
405 | } | |
406 | ||
407 | /* Warn the user if the working language does not match the language | |
408 | of the current frame. Only warn the user if we are actually | |
409 | running the program, i.e. there is a stack. */ | |
410 | /* FIXME: This should be cacheing the frame and only running when | |
411 | the frame changes. */ | |
412 | ||
413 | if (has_stack_frames ()) | |
414 | { | |
415 | enum language flang; | |
416 | ||
7ff38b1c | 417 | flang = get_frame_language (frame); |
77cce10f PA |
418 | if (!warned |
419 | && flang != language_unknown | |
420 | && flang != current_language->la_language) | |
421 | { | |
422 | printf_filtered ("%s\n", lang_frame_mismatch_warn); | |
423 | warned = 1; | |
424 | } | |
425 | } | |
426 | } | |
427 | ||
98880d46 PA |
428 | /* See top.h. */ |
429 | ||
0b333c5e PA |
430 | void |
431 | wait_sync_command_done (void) | |
432 | { | |
433 | while (gdb_do_one_event () >= 0) | |
3b12939d | 434 | if (current_ui->prompt_state != PROMPT_BLOCKED) |
0b333c5e PA |
435 | break; |
436 | } | |
437 | ||
438 | /* See top.h. */ | |
439 | ||
98880d46 PA |
440 | void |
441 | maybe_wait_sync_command_done (int was_sync) | |
442 | { | |
443 | /* If the interpreter is in sync mode (we're running a user | |
444 | command's list, running command hooks or similars), and we | |
445 | just ran a synchronous command that started the target, wait | |
446 | for that command to end. */ | |
3b12939d PA |
447 | if (!current_ui->async |
448 | && !was_sync | |
449 | && current_ui->prompt_state == PROMPT_BLOCKED) | |
0b333c5e | 450 | wait_sync_command_done (); |
98880d46 PA |
451 | } |
452 | ||
648bf667 | 453 | /* Execute the line P as a command, in the current user context. |
d318976c | 454 | Pass FROM_TTY as second argument to the defining function. */ |
c906108c | 455 | |
d318976c FN |
456 | void |
457 | execute_command (char *p, int from_tty) | |
c906108c | 458 | { |
353d1d73 | 459 | struct cleanup *cleanup_if_error, *cleanup; |
52f0bd74 | 460 | struct cmd_list_element *c; |
d318976c | 461 | char *line; |
4e5d721f | 462 | |
353d1d73 | 463 | cleanup_if_error = make_bpstat_clear_actions_cleanup (); |
028d0ed5 | 464 | cleanup = prepare_execute_command (); |
c906108c | 465 | |
d318976c FN |
466 | /* Force cleanup of any alloca areas if using C alloca instead of |
467 | a builtin alloca. */ | |
468 | alloca (0); | |
c906108c | 469 | |
d318976c FN |
470 | /* This can happen when command_line_input hits end of file. */ |
471 | if (p == NULL) | |
5fe41fbf TT |
472 | { |
473 | do_cleanups (cleanup); | |
5ae85e44 | 474 | discard_cleanups (cleanup_if_error); |
5fe41fbf TT |
475 | return; |
476 | } | |
c906108c | 477 | |
49d03eab | 478 | target_log_command (p); |
8b93c638 | 479 | |
d318976c FN |
480 | while (*p == ' ' || *p == '\t') |
481 | p++; | |
482 | if (*p) | |
8b93c638 | 483 | { |
6f937416 | 484 | const char *cmd = p; |
d318976c | 485 | char *arg; |
3b12939d | 486 | int was_sync = current_ui->prompt_state == PROMPT_BLOCKED; |
90e28950 | 487 | |
d318976c | 488 | line = p; |
8b93c638 | 489 | |
16026cd7 AS |
490 | /* If trace-commands is set then this will print this command. */ |
491 | print_command_trace (p); | |
492 | ||
6f937416 PA |
493 | c = lookup_cmd (&cmd, cmdlist, "", 0, 1); |
494 | p = (char *) cmd; | |
8b93c638 | 495 | |
d318976c FN |
496 | /* Pass null arg rather than an empty one. */ |
497 | arg = *p ? p : 0; | |
8b93c638 | 498 | |
9f60d481 AC |
499 | /* FIXME: cagney/2002-02-02: The c->type test is pretty dodgy |
500 | while the is_complete_command(cfunc) test is just plain | |
501 | bogus. They should both be replaced by a test of the form | |
502 | c->strip_trailing_white_space_p. */ | |
503 | /* NOTE: cagney/2002-02-02: The function.cfunc in the below | |
504 | can't be replaced with func. This is because it is the | |
505 | cfunc, and not the func, that has the value that the | |
506 | is_complete_command hack is testing for. */ | |
507 | /* Clear off trailing whitespace, except for set and complete | |
508 | command. */ | |
d318976c FN |
509 | if (arg |
510 | && c->type != set_cmd | |
bbaca940 | 511 | && !is_complete_command (c)) |
8b93c638 | 512 | { |
d318976c FN |
513 | p = arg + strlen (arg) - 1; |
514 | while (p >= arg && (*p == ' ' || *p == '\t')) | |
515 | p--; | |
516 | *(p + 1) = '\0'; | |
8b93c638 JM |
517 | } |
518 | ||
371d5dec | 519 | /* If this command has been pre-hooked, run the hook first. */ |
5913bcb0 | 520 | execute_cmd_pre_hook (c); |
c906108c | 521 | |
1f2bdf09 | 522 | if (c->deprecated_warn_user) |
6f937416 | 523 | deprecated_cmd_warning (line); |
c906108c | 524 | |
7d74f244 | 525 | /* c->user_commands would be NULL in the case of a python command. */ |
fe978cb0 | 526 | if (c->theclass == class_user && c->user_commands) |
d318976c | 527 | execute_user_command (c, arg); |
5b9afe8a YQ |
528 | else if (c->type == set_cmd) |
529 | do_set_command (arg, from_tty, c); | |
530 | else if (c->type == show_cmd) | |
531 | do_show_command (arg, from_tty, c); | |
f436dd25 | 532 | else if (!cmd_func_p (c)) |
8a3fe4f8 | 533 | error (_("That is not a command, just a help topic.")); |
9a4105ab | 534 | else if (deprecated_call_command_hook) |
050a2e1d | 535 | deprecated_call_command_hook (c, arg, from_tty); |
d318976c | 536 | else |
050a2e1d | 537 | cmd_func (c, arg, from_tty); |
b4a14fd0 | 538 | |
98880d46 | 539 | maybe_wait_sync_command_done (was_sync); |
b4a14fd0 | 540 | |
371d5dec | 541 | /* If this command has been post-hooked, run the hook last. */ |
5913bcb0 | 542 | execute_cmd_post_hook (c); |
c906108c | 543 | |
c906108c SS |
544 | } |
545 | ||
77cce10f | 546 | check_frame_language_change (); |
028d0ed5 | 547 | |
353d1d73 JK |
548 | do_cleanups (cleanup); |
549 | discard_cleanups (cleanup_if_error); | |
c906108c SS |
550 | } |
551 | ||
5da1313b JK |
552 | /* Run execute_command for P and FROM_TTY. Capture its output into the |
553 | returned string, do not display it to the screen. BATCH_FLAG will be | |
554 | temporarily set to true. */ | |
555 | ||
556 | char * | |
557 | execute_command_to_string (char *p, int from_tty) | |
558 | { | |
559 | struct ui_file *str_file; | |
560 | struct cleanup *cleanup; | |
561 | char *retval; | |
562 | ||
563 | /* GDB_STDOUT should be better already restored during these | |
564 | restoration callbacks. */ | |
565 | cleanup = set_batch_flag_and_make_cleanup_restore_page_info (); | |
566 | ||
cb814510 PA |
567 | make_cleanup_restore_integer (¤t_ui->async); |
568 | current_ui->async = 0; | |
b4a14fd0 | 569 | |
5da1313b JK |
570 | str_file = mem_fileopen (); |
571 | ||
8d4d924b | 572 | make_cleanup_ui_file_delete (str_file); |
5da1313b JK |
573 | make_cleanup_restore_ui_file (&gdb_stdout); |
574 | make_cleanup_restore_ui_file (&gdb_stderr); | |
8d4d924b JK |
575 | make_cleanup_restore_ui_file (&gdb_stdlog); |
576 | make_cleanup_restore_ui_file (&gdb_stdtarg); | |
577 | make_cleanup_restore_ui_file (&gdb_stdtargerr); | |
578 | ||
79a45e25 | 579 | if (ui_out_redirect (current_uiout, str_file) < 0) |
8d4d924b JK |
580 | warning (_("Current output protocol does not support redirection")); |
581 | else | |
79a45e25 | 582 | make_cleanup_ui_out_redirect_pop (current_uiout); |
5da1313b JK |
583 | |
584 | gdb_stdout = str_file; | |
585 | gdb_stderr = str_file; | |
8d4d924b JK |
586 | gdb_stdlog = str_file; |
587 | gdb_stdtarg = str_file; | |
588 | gdb_stdtargerr = str_file; | |
5da1313b JK |
589 | |
590 | execute_command (p, from_tty); | |
591 | ||
592 | retval = ui_file_xstrdup (str_file, NULL); | |
593 | ||
594 | do_cleanups (cleanup); | |
595 | ||
596 | return retval; | |
597 | } | |
598 | ||
d318976c | 599 | \f |
47a80e90 TT |
600 | /* When nonzero, cause dont_repeat to do nothing. This should only be |
601 | set via prevent_dont_repeat. */ | |
602 | ||
603 | static int suppress_dont_repeat = 0; | |
604 | ||
d318976c | 605 | /* Commands call this if they do not want to be repeated by null lines. */ |
9e0b60a8 | 606 | |
d318976c FN |
607 | void |
608 | dont_repeat (void) | |
9e0b60a8 | 609 | { |
f38d3ad1 PA |
610 | struct ui *ui = current_ui; |
611 | ||
47a80e90 | 612 | if (suppress_dont_repeat || server_command) |
d318976c | 613 | return; |
9e0b60a8 | 614 | |
d318976c | 615 | /* If we aren't reading from standard input, we are saving the last |
371d5dec MS |
616 | thing read from stdin in line and don't want to delete it. Null |
617 | lines won't repeat here in any case. */ | |
f38d3ad1 | 618 | if (ui->instream == stdin) |
dc7eb48e | 619 | *saved_command_line = 0; |
9e0b60a8 | 620 | } |
47a80e90 TT |
621 | |
622 | /* Prevent dont_repeat from working, and return a cleanup that | |
623 | restores the previous state. */ | |
624 | ||
625 | struct cleanup * | |
626 | prevent_dont_repeat (void) | |
627 | { | |
628 | struct cleanup *result = make_cleanup_restore_integer (&suppress_dont_repeat); | |
629 | ||
630 | suppress_dont_repeat = 1; | |
631 | return result; | |
632 | } | |
633 | ||
d318976c FN |
634 | \f |
635 | /* Read a line from the stream "instream" without command line editing. | |
9e0b60a8 | 636 | |
7a3bde34 | 637 | It prints PROMPT once at the start. |
d318976c FN |
638 | Action is compatible with "readline", e.g. space for the result is |
639 | malloc'd and should be freed by the caller. | |
9e0b60a8 | 640 | |
d318976c | 641 | A NULL return means end of file. */ |
c5c136ea PA |
642 | |
643 | static char * | |
7a3bde34 | 644 | gdb_readline_no_editing (const char *prompt) |
9e0b60a8 | 645 | { |
7a3bde34 | 646 | struct buffer line_buffer; |
f38d3ad1 | 647 | struct ui *ui = current_ui; |
3212b858 PA |
648 | /* Read from stdin if we are executing a user defined command. This |
649 | is the right thing for prompt_for_continue, at least. */ | |
f38d3ad1 | 650 | FILE *stream = ui->instream != NULL ? ui->instream : stdin; |
3212b858 | 651 | int fd = fileno (stream); |
9e0b60a8 | 652 | |
7a3bde34 PA |
653 | buffer_init (&line_buffer); |
654 | ||
655 | if (prompt != NULL) | |
9e0b60a8 | 656 | { |
d318976c FN |
657 | /* Don't use a _filtered function here. It causes the assumed |
658 | character position to be off, since the newline we read from | |
659 | the user is not accounted for. */ | |
7a3bde34 | 660 | fputs_unfiltered (prompt, gdb_stdout); |
9e0b60a8 JM |
661 | gdb_flush (gdb_stdout); |
662 | } | |
663 | ||
9e0b60a8 JM |
664 | while (1) |
665 | { | |
7a3bde34 | 666 | int c; |
3212b858 PA |
667 | int numfds; |
668 | fd_set readfds; | |
7a3bde34 | 669 | |
3212b858 PA |
670 | QUIT; |
671 | ||
672 | /* Wait until at least one byte of data is available. Control-C | |
f0881b37 | 673 | can interrupt interruptible_select, but not fgetc. */ |
3212b858 PA |
674 | FD_ZERO (&readfds); |
675 | FD_SET (fd, &readfds); | |
f0881b37 | 676 | if (interruptible_select (fd + 1, &readfds, NULL, NULL, NULL) == -1) |
3212b858 PA |
677 | { |
678 | if (errno == EINTR) | |
679 | { | |
680 | /* If this was ctrl-c, the QUIT above handles it. */ | |
681 | continue; | |
682 | } | |
683 | perror_with_name (("select")); | |
684 | } | |
685 | ||
686 | c = fgetc (stream); | |
9e0b60a8 | 687 | |
d318976c | 688 | if (c == EOF) |
9e0b60a8 | 689 | { |
7a3bde34 | 690 | if (line_buffer.used_size > 0) |
d318976c FN |
691 | /* The last line does not end with a newline. Return it, and |
692 | if we are called again fgetc will still return EOF and | |
693 | we'll return NULL then. */ | |
9e0b60a8 | 694 | break; |
7a3bde34 | 695 | xfree (buffer_finish (&line_buffer)); |
d318976c | 696 | return NULL; |
9e0b60a8 | 697 | } |
c5aa993b | 698 | |
d318976c | 699 | if (c == '\n') |
9e0b60a8 | 700 | { |
7a3bde34 PA |
701 | if (line_buffer.used_size > 0 |
702 | && line_buffer.buffer[line_buffer.used_size - 1] == '\r') | |
703 | line_buffer.used_size--; | |
d318976c | 704 | break; |
9e0b60a8 | 705 | } |
9e0b60a8 | 706 | |
7a3bde34 | 707 | buffer_grow_char (&line_buffer, c); |
9e0b60a8 JM |
708 | } |
709 | ||
7a3bde34 PA |
710 | buffer_grow_char (&line_buffer, '\0'); |
711 | return buffer_finish (&line_buffer); | |
9e0b60a8 JM |
712 | } |
713 | ||
d318976c FN |
714 | /* Variables which control command line editing and history |
715 | substitution. These variables are given default values at the end | |
716 | of this file. */ | |
717 | static int command_editing_p; | |
920d2a44 | 718 | |
d318976c FN |
719 | /* NOTE 1999-04-29: This variable will be static again, once we modify |
720 | gdb to use the event loop as the default command loop and we merge | |
c378eb4e | 721 | event-top.c into this file, top.c. */ |
920d2a44 | 722 | |
d318976c | 723 | /* static */ int history_expansion_p; |
920d2a44 | 724 | |
d318976c | 725 | static int write_history_p; |
920d2a44 AC |
726 | static void |
727 | show_write_history_p (struct ui_file *file, int from_tty, | |
728 | struct cmd_list_element *c, const char *value) | |
729 | { | |
730 | fprintf_filtered (file, _("Saving of the history record on exit is %s.\n"), | |
731 | value); | |
732 | } | |
733 | ||
840a9a1f | 734 | /* The variable associated with the "set/show history size" |
ebfd00d2 PP |
735 | command. The value -1 means unlimited, and -2 means undefined. */ |
736 | static int history_size_setshow_var = -2; | |
840a9a1f | 737 | |
920d2a44 AC |
738 | static void |
739 | show_history_size (struct ui_file *file, int from_tty, | |
740 | struct cmd_list_element *c, const char *value) | |
741 | { | |
742 | fprintf_filtered (file, _("The size of the command history is %s.\n"), | |
743 | value); | |
744 | } | |
745 | ||
fc637f04 PP |
746 | /* Variable associated with the "history remove-duplicates" option. |
747 | The value -1 means unlimited. */ | |
748 | static int history_remove_duplicates = 0; | |
749 | ||
750 | static void | |
751 | show_history_remove_duplicates (struct ui_file *file, int from_tty, | |
752 | struct cmd_list_element *c, const char *value) | |
753 | { | |
754 | fprintf_filtered (file, | |
755 | _("The number of history entries to look back at for " | |
756 | "duplicates is %s.\n"), | |
757 | value); | |
758 | } | |
759 | ||
d318976c | 760 | static char *history_filename; |
920d2a44 AC |
761 | static void |
762 | show_history_filename (struct ui_file *file, int from_tty, | |
763 | struct cmd_list_element *c, const char *value) | |
764 | { | |
3e43a32a MS |
765 | fprintf_filtered (file, _("The filename in which to record " |
766 | "the command history is \"%s\".\n"), | |
920d2a44 AC |
767 | value); |
768 | } | |
9e0b60a8 | 769 | |
b4f5539f | 770 | /* This is like readline(), but it has some gdb-specific behavior. |
2e03ee74 | 771 | gdb may want readline in both the synchronous and async modes during |
b4f5539f TT |
772 | a single gdb invocation. At the ordinary top-level prompt we might |
773 | be using the async readline. That means we can't use | |
774 | rl_pre_input_hook, since it doesn't work properly in async mode. | |
775 | However, for a secondary prompt (" >", such as occurs during a | |
2e03ee74 DJ |
776 | `define'), gdb wants a synchronous response. |
777 | ||
778 | We used to call readline() directly, running it in synchronous | |
779 | mode. But mixing modes this way is not supported, and as of | |
780 | readline 5.x it no longer works; the arrow keys come unbound during | |
781 | the synchronous call. So we make a nested call into the event | |
782 | loop. That's what gdb_readline_wrapper is for. */ | |
783 | ||
784 | /* A flag set as soon as gdb_readline_wrapper_line is called; we can't | |
785 | rely on gdb_readline_wrapper_result, which might still be NULL if | |
786 | the user types Control-D for EOF. */ | |
787 | static int gdb_readline_wrapper_done; | |
788 | ||
789 | /* The result of the current call to gdb_readline_wrapper, once a newline | |
790 | is seen. */ | |
791 | static char *gdb_readline_wrapper_result; | |
792 | ||
793 | /* Any intercepted hook. Operate-and-get-next sets this, expecting it | |
794 | to be called after the newline is processed (which will redisplay | |
795 | the prompt). But in gdb_readline_wrapper we will not get a new | |
796 | prompt until the next call, or until we return to the event loop. | |
797 | So we disable this hook around the newline and restore it before we | |
798 | return. */ | |
799 | static void (*saved_after_char_processing_hook) (void); | |
800 | ||
948578a9 | 801 | |
948578a9 PP |
802 | /* See top.h. */ |
803 | ||
804 | int | |
dbf30ca3 | 805 | gdb_in_secondary_prompt_p (struct ui *ui) |
948578a9 | 806 | { |
dbf30ca3 | 807 | return ui->secondary_prompt_depth > 0; |
948578a9 PP |
808 | } |
809 | ||
810 | ||
2e03ee74 DJ |
811 | /* This function is called when readline has seen a complete line of |
812 | text. */ | |
813 | ||
814 | static void | |
815 | gdb_readline_wrapper_line (char *line) | |
816 | { | |
817 | gdb_assert (!gdb_readline_wrapper_done); | |
818 | gdb_readline_wrapper_result = line; | |
819 | gdb_readline_wrapper_done = 1; | |
820 | ||
821 | /* Prevent operate-and-get-next from acting too early. */ | |
822 | saved_after_char_processing_hook = after_char_processing_hook; | |
823 | after_char_processing_hook = NULL; | |
1b05479a DJ |
824 | |
825 | /* Prevent parts of the prompt from being redisplayed if annotations | |
0017922d | 826 | are enabled, and readline's state getting out of sync. We'll |
d3d4baed PA |
827 | reinstall the callback handler, which puts the terminal in raw |
828 | mode (or in readline lingo, in prepped state), when we're next | |
829 | ready to process user input, either in display_gdb_prompt, or if | |
830 | we're handling an asynchronous target event and running in the | |
831 | background, just before returning to the event loop to process | |
832 | further input (or more target events). */ | |
3c216924 | 833 | if (current_ui->command_editing) |
d3d4baed | 834 | gdb_rl_callback_handler_remove (); |
2e03ee74 DJ |
835 | } |
836 | ||
837 | struct gdb_readline_wrapper_cleanup | |
838 | { | |
839 | void (*handler_orig) (char *); | |
2e03ee74 | 840 | int already_prompted_orig; |
93d6eb10 PA |
841 | |
842 | /* Whether the target was async. */ | |
843 | int target_is_async_orig; | |
2e03ee74 DJ |
844 | }; |
845 | ||
846 | static void | |
847 | gdb_readline_wrapper_cleanup (void *arg) | |
848 | { | |
a74e1786 | 849 | struct ui *ui = current_ui; |
19ba03f4 SM |
850 | struct gdb_readline_wrapper_cleanup *cleanup |
851 | = (struct gdb_readline_wrapper_cleanup *) arg; | |
2e03ee74 | 852 | |
3c216924 PA |
853 | if (ui->command_editing) |
854 | rl_already_prompted = cleanup->already_prompted_orig; | |
2e03ee74 | 855 | |
a74e1786 PA |
856 | gdb_assert (ui->input_handler == gdb_readline_wrapper_line); |
857 | ui->input_handler = cleanup->handler_orig; | |
0017922d | 858 | |
d3d4baed PA |
859 | /* Don't restore our input handler in readline yet. That would make |
860 | readline prep the terminal (putting it in raw mode), while the | |
861 | line we just read may trigger execution of a command that expects | |
862 | the terminal in the default cooked/canonical mode, such as e.g., | |
863 | running Python's interactive online help utility. See | |
864 | gdb_readline_wrapper_line for when we'll reinstall it. */ | |
0017922d | 865 | |
2e03ee74 DJ |
866 | gdb_readline_wrapper_result = NULL; |
867 | gdb_readline_wrapper_done = 0; | |
dbf30ca3 PA |
868 | ui->secondary_prompt_depth--; |
869 | gdb_assert (ui->secondary_prompt_depth >= 0); | |
2e03ee74 DJ |
870 | |
871 | after_char_processing_hook = saved_after_char_processing_hook; | |
872 | saved_after_char_processing_hook = NULL; | |
873 | ||
93d6eb10 | 874 | if (cleanup->target_is_async_orig) |
6a3753b3 | 875 | target_async (1); |
93d6eb10 | 876 | |
2e03ee74 DJ |
877 | xfree (cleanup); |
878 | } | |
879 | ||
b4f5539f | 880 | char * |
38bcc89d | 881 | gdb_readline_wrapper (const char *prompt) |
b4f5539f | 882 | { |
a74e1786 | 883 | struct ui *ui = current_ui; |
2e03ee74 DJ |
884 | struct cleanup *back_to; |
885 | struct gdb_readline_wrapper_cleanup *cleanup; | |
886 | char *retval; | |
887 | ||
8d749320 | 888 | cleanup = XNEW (struct gdb_readline_wrapper_cleanup); |
a74e1786 PA |
889 | cleanup->handler_orig = ui->input_handler; |
890 | ui->input_handler = gdb_readline_wrapper_line; | |
2e03ee74 | 891 | |
3c216924 PA |
892 | if (ui->command_editing) |
893 | cleanup->already_prompted_orig = rl_already_prompted; | |
894 | else | |
895 | cleanup->already_prompted_orig = 0; | |
2e03ee74 | 896 | |
93d6eb10 PA |
897 | cleanup->target_is_async_orig = target_is_async_p (); |
898 | ||
dbf30ca3 | 899 | ui->secondary_prompt_depth++; |
2e03ee74 DJ |
900 | back_to = make_cleanup (gdb_readline_wrapper_cleanup, cleanup); |
901 | ||
93d6eb10 | 902 | if (cleanup->target_is_async_orig) |
6a3753b3 | 903 | target_async (0); |
93d6eb10 | 904 | |
2e03ee74 | 905 | /* Display our prompt and prevent double prompt display. */ |
1b05479a | 906 | display_gdb_prompt (prompt); |
3c216924 PA |
907 | if (ui->command_editing) |
908 | rl_already_prompted = 1; | |
2e03ee74 | 909 | |
362646f5 | 910 | if (after_char_processing_hook) |
2e03ee74 DJ |
911 | (*after_char_processing_hook) (); |
912 | gdb_assert (after_char_processing_hook == NULL); | |
913 | ||
e0dd0826 | 914 | while (gdb_do_one_event () >= 0) |
2e03ee74 DJ |
915 | if (gdb_readline_wrapper_done) |
916 | break; | |
b4f5539f | 917 | |
2e03ee74 DJ |
918 | retval = gdb_readline_wrapper_result; |
919 | do_cleanups (back_to); | |
920 | return retval; | |
b4f5539f TT |
921 | } |
922 | ||
9e0b60a8 | 923 | \f |
467d8519 TT |
924 | /* The current saved history number from operate-and-get-next. |
925 | This is -1 if not valid. */ | |
926 | static int operate_saved_history = -1; | |
927 | ||
928 | /* This is put on the appropriate hook and helps operate-and-get-next | |
929 | do its work. */ | |
b9362cc7 | 930 | static void |
5ae5f592 | 931 | gdb_rl_operate_and_get_next_completion (void) |
467d8519 TT |
932 | { |
933 | int delta = where_history () - operate_saved_history; | |
5d502164 | 934 | |
467d8519 TT |
935 | /* The `key' argument to rl_get_previous_history is ignored. */ |
936 | rl_get_previous_history (delta, 0); | |
937 | operate_saved_history = -1; | |
938 | ||
939 | /* readline doesn't automatically update the display for us. */ | |
12f4afab | 940 | rl_redisplay (); |
467d8519 TT |
941 | |
942 | after_char_processing_hook = NULL; | |
943 | rl_pre_input_hook = NULL; | |
944 | } | |
945 | ||
946 | /* This is a gdb-local readline command handler. It accepts the | |
947 | current command line (like RET does) and, if this command was taken | |
948 | from the history, arranges for the next command in the history to | |
949 | appear on the command line when the prompt returns. | |
950 | We ignore the arguments. */ | |
951 | static int | |
952 | gdb_rl_operate_and_get_next (int count, int key) | |
953 | { | |
b5686e99 MK |
954 | int where; |
955 | ||
362646f5 AC |
956 | /* Use the async hook. */ |
957 | after_char_processing_hook = gdb_rl_operate_and_get_next_completion; | |
467d8519 | 958 | |
b5686e99 MK |
959 | /* Find the current line, and find the next line to use. */ |
960 | where = where_history(); | |
961 | ||
1fb2e2b5 PA |
962 | if ((history_is_stifled () && (history_length >= history_max_entries)) |
963 | || (where >= history_length - 1)) | |
b5686e99 MK |
964 | operate_saved_history = where; |
965 | else | |
966 | operate_saved_history = where + 1; | |
967 | ||
467d8519 TT |
968 | return rl_newline (1, key); |
969 | } | |
08b13bdd PP |
970 | |
971 | /* Number of user commands executed during this session. */ | |
972 | ||
973 | static int command_count = 0; | |
974 | ||
975 | /* Add the user command COMMAND to the input history list. */ | |
976 | ||
977 | void | |
978 | gdb_add_history (const char *command) | |
979 | { | |
08b13bdd | 980 | command_count++; |
fc637f04 PP |
981 | |
982 | if (history_remove_duplicates != 0) | |
983 | { | |
984 | int lookbehind; | |
985 | int lookbehind_threshold; | |
986 | ||
987 | /* The lookbehind threshold for finding a duplicate history entry is | |
988 | bounded by command_count because we can't meaningfully delete | |
989 | history entries that are already stored in the history file since | |
990 | the history file is appended to. */ | |
991 | if (history_remove_duplicates == -1 | |
992 | || history_remove_duplicates > command_count) | |
993 | lookbehind_threshold = command_count; | |
994 | else | |
995 | lookbehind_threshold = history_remove_duplicates; | |
996 | ||
997 | using_history (); | |
998 | for (lookbehind = 0; lookbehind < lookbehind_threshold; lookbehind++) | |
999 | { | |
1000 | HIST_ENTRY *temp = previous_history (); | |
1001 | ||
1002 | if (temp == NULL) | |
1003 | break; | |
1004 | ||
1005 | if (strcmp (temp->line, command) == 0) | |
1006 | { | |
1007 | HIST_ENTRY *prev = remove_history (where_history ()); | |
1008 | command_count--; | |
1009 | free_history_entry (prev); | |
1010 | break; | |
1011 | } | |
1012 | } | |
1013 | using_history (); | |
1014 | } | |
1015 | ||
1016 | add_history (command); | |
08b13bdd PP |
1017 | } |
1018 | ||
1019 | /* Safely append new history entries to the history file in a corruption-free | |
1020 | way using an intermediate local history file. */ | |
1021 | ||
1022 | static void | |
1023 | gdb_safe_append_history (void) | |
1024 | { | |
1025 | int ret, saved_errno; | |
1026 | char *local_history_filename; | |
1027 | struct cleanup *old_chain; | |
1028 | ||
1029 | local_history_filename | |
1030 | = xstrprintf ("%s-gdb%d~", history_filename, getpid ()); | |
1031 | old_chain = make_cleanup (xfree, local_history_filename); | |
1032 | ||
1033 | ret = rename (history_filename, local_history_filename); | |
1034 | saved_errno = errno; | |
1035 | if (ret < 0 && saved_errno != ENOENT) | |
1036 | { | |
1037 | warning (_("Could not rename %s to %s: %s"), | |
1038 | history_filename, local_history_filename, | |
1039 | safe_strerror (saved_errno)); | |
1040 | } | |
1041 | else | |
1042 | { | |
1043 | if (ret < 0) | |
1044 | { | |
1045 | /* If the rename failed with ENOENT then either the global history | |
1046 | file never existed in the first place or another GDB process is | |
1047 | currently appending to it (and has thus temporarily renamed it). | |
1048 | Since we can't distinguish between these two cases, we have to | |
1049 | conservatively assume the first case and therefore must write out | |
1050 | (not append) our known history to our local history file and try | |
1051 | to move it back anyway. Otherwise a global history file would | |
1052 | never get created! */ | |
1053 | gdb_assert (saved_errno == ENOENT); | |
1054 | write_history (local_history_filename); | |
1055 | } | |
1056 | else | |
1057 | { | |
1058 | append_history (command_count, local_history_filename); | |
2093d2d3 PP |
1059 | if (history_is_stifled ()) |
1060 | history_truncate_file (local_history_filename, history_max_entries); | |
08b13bdd PP |
1061 | } |
1062 | ||
1063 | ret = rename (local_history_filename, history_filename); | |
1064 | saved_errno = errno; | |
1065 | if (ret < 0 && saved_errno != EEXIST) | |
1066 | warning (_("Could not rename %s to %s: %s"), | |
1067 | local_history_filename, history_filename, | |
1068 | safe_strerror (saved_errno)); | |
1069 | } | |
1070 | ||
1071 | do_cleanups (old_chain); | |
1072 | } | |
1073 | ||
b69d38af PA |
1074 | /* Read one line from the command input stream `instream' into a local |
1075 | static buffer. The buffer is made bigger as necessary. Returns | |
1076 | the address of the start of the line. | |
9e0b60a8 | 1077 | |
d318976c | 1078 | NULL is returned for end of file. |
9e0b60a8 | 1079 | |
b69d38af PA |
1080 | *If* the instream == stdin & stdin is a terminal, the line read is |
1081 | copied into the global 'saved_command_line' so that it can be | |
1082 | repeated. | |
9e0b60a8 | 1083 | |
b69d38af PA |
1084 | This routine either uses fancy command line editing or simple input |
1085 | as the user has requested. */ | |
10689f25 | 1086 | |
d318976c | 1087 | char * |
38bcc89d | 1088 | command_line_input (const char *prompt_arg, int repeat, char *annotation_suffix) |
9e0b60a8 | 1089 | { |
b69d38af PA |
1090 | static struct buffer cmd_line_buffer; |
1091 | static int cmd_line_buffer_initialized; | |
f38d3ad1 | 1092 | struct ui *ui = current_ui; |
38bcc89d | 1093 | const char *prompt = prompt_arg; |
b69d38af | 1094 | char *cmd; |
d318976c FN |
1095 | |
1096 | /* The annotation suffix must be non-NULL. */ | |
1097 | if (annotation_suffix == NULL) | |
1098 | annotation_suffix = ""; | |
9e0b60a8 | 1099 | |
f38d3ad1 | 1100 | if (annotation_level > 1 && ui->instream == stdin) |
d318976c | 1101 | { |
38bcc89d SM |
1102 | char *local_prompt; |
1103 | ||
224c3ddb SM |
1104 | local_prompt |
1105 | = (char *) alloca ((prompt == NULL ? 0 : strlen (prompt)) | |
1106 | + strlen (annotation_suffix) + 40); | |
38bcc89d | 1107 | if (prompt == NULL) |
d318976c FN |
1108 | local_prompt[0] = '\0'; |
1109 | else | |
38bcc89d | 1110 | strcpy (local_prompt, prompt); |
d318976c FN |
1111 | strcat (local_prompt, "\n\032\032"); |
1112 | strcat (local_prompt, annotation_suffix); | |
1113 | strcat (local_prompt, "\n"); | |
38bcc89d SM |
1114 | |
1115 | prompt = local_prompt; | |
d318976c | 1116 | } |
9e0b60a8 | 1117 | |
b69d38af | 1118 | if (!cmd_line_buffer_initialized) |
9e0b60a8 | 1119 | { |
b69d38af PA |
1120 | buffer_init (&cmd_line_buffer); |
1121 | cmd_line_buffer_initialized = 1; | |
9e0b60a8 | 1122 | } |
9e0b60a8 | 1123 | |
b69d38af PA |
1124 | /* Starting a new command line. */ |
1125 | cmd_line_buffer.used_size = 0; | |
9e0b60a8 | 1126 | |
d318976c FN |
1127 | #ifdef STOP_SIGNAL |
1128 | if (job_control) | |
362646f5 | 1129 | signal (STOP_SIGNAL, handle_stop_sig); |
d318976c FN |
1130 | #endif |
1131 | ||
1132 | while (1) | |
9e0b60a8 | 1133 | { |
b69d38af PA |
1134 | char *rl; |
1135 | ||
371d5dec MS |
1136 | /* Make sure that all output has been output. Some machines may |
1137 | let you get away with leaving out some of the gdb_flush, but | |
1138 | not all. */ | |
d318976c FN |
1139 | wrap_here (""); |
1140 | gdb_flush (gdb_stdout); | |
1141 | gdb_flush (gdb_stderr); | |
1142 | ||
1143 | if (source_file_name != NULL) | |
637537d0 | 1144 | ++source_line_number; |
d318976c | 1145 | |
f38d3ad1 | 1146 | if (annotation_level > 1 && ui->instream == stdin) |
d318976c | 1147 | { |
306d9ac5 DC |
1148 | puts_unfiltered ("\n\032\032pre-"); |
1149 | puts_unfiltered (annotation_suffix); | |
1150 | puts_unfiltered ("\n"); | |
d318976c FN |
1151 | } |
1152 | ||
1153 | /* Don't use fancy stuff if not talking to stdin. */ | |
698ba934 | 1154 | if (deprecated_readline_hook && input_from_terminal_p ()) |
d318976c | 1155 | { |
38bcc89d | 1156 | rl = (*deprecated_readline_hook) (prompt); |
d318976c | 1157 | } |
698ba934 | 1158 | else if (command_editing_p && input_from_terminal_p ()) |
d318976c | 1159 | { |
38bcc89d | 1160 | rl = gdb_readline_wrapper (prompt); |
d318976c | 1161 | } |
9e0b60a8 | 1162 | else |
d318976c | 1163 | { |
c5c136ea | 1164 | rl = gdb_readline_no_editing (prompt); |
d318976c | 1165 | } |
9e0b60a8 | 1166 | |
b69d38af PA |
1167 | cmd = handle_line_of_input (&cmd_line_buffer, rl, |
1168 | repeat, annotation_suffix); | |
1169 | if (cmd == (char *) EOF) | |
d318976c | 1170 | { |
b69d38af | 1171 | cmd = NULL; |
d318976c | 1172 | break; |
9e0b60a8 | 1173 | } |
b69d38af | 1174 | if (cmd != NULL) |
d318976c | 1175 | break; |
9e0b60a8 | 1176 | |
38bcc89d | 1177 | prompt = NULL; |
d318976c | 1178 | } |
9e0b60a8 | 1179 | |
d318976c FN |
1180 | #ifdef STOP_SIGNAL |
1181 | if (job_control) | |
1182 | signal (STOP_SIGNAL, SIG_DFL); | |
1183 | #endif | |
9e0b60a8 | 1184 | |
b69d38af | 1185 | return cmd; |
9e0b60a8 JM |
1186 | } |
1187 | \f | |
371d5dec | 1188 | /* Print the GDB banner. */ |
9e0b60a8 | 1189 | void |
fba45db2 | 1190 | print_gdb_version (struct ui_file *stream) |
9e0b60a8 JM |
1191 | { |
1192 | /* From GNU coding standards, first line is meant to be easy for a | |
1193 | program to parse, and is just canonical program name and version | |
371d5dec | 1194 | number, which starts after last space. */ |
9e0b60a8 | 1195 | |
c16158bc | 1196 | fprintf_filtered (stream, "GNU gdb %s%s\n", PKGVERSION, version); |
9e0b60a8 | 1197 | |
371d5dec | 1198 | /* Second line is a copyright notice. */ |
9e0b60a8 | 1199 | |
3e43a32a | 1200 | fprintf_filtered (stream, |
edd88788 | 1201 | "Copyright (C) 2016 Free Software Foundation, Inc.\n"); |
9e0b60a8 JM |
1202 | |
1203 | /* Following the copyright is a brief statement that the program is | |
1204 | free software, that users are free to copy and change it on | |
1205 | certain conditions, that it is covered by the GNU GPL, and that | |
371d5dec | 1206 | there is no warranty. */ |
9e0b60a8 JM |
1207 | |
1208 | fprintf_filtered (stream, "\ | |
3e43a32a MS |
1209 | License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\ |
1210 | \nThis is free software: you are free to change and redistribute it.\n\ | |
0b93d57c | 1211 | There is NO WARRANTY, to the extent permitted by law. Type \"show copying\"\n\ |
b8533aec | 1212 | and \"show warranty\" for details.\n"); |
9e0b60a8 | 1213 | |
371d5dec | 1214 | /* After the required info we print the configuration information. */ |
9e0b60a8 JM |
1215 | |
1216 | fprintf_filtered (stream, "This GDB was configured as \""); | |
6314a349 | 1217 | if (strcmp (host_name, target_name) != 0) |
9e0b60a8 | 1218 | { |
3e43a32a MS |
1219 | fprintf_filtered (stream, "--host=%s --target=%s", |
1220 | host_name, target_name); | |
9e0b60a8 JM |
1221 | } |
1222 | else | |
1223 | { | |
1224 | fprintf_filtered (stream, "%s", host_name); | |
1225 | } | |
6eaaf48b EZ |
1226 | fprintf_filtered (stream, "\".\n\ |
1227 | Type \"show configuration\" for configuration details."); | |
c16158bc JM |
1228 | |
1229 | if (REPORT_BUGS_TO[0]) | |
1230 | { | |
6eaaf48b | 1231 | fprintf_filtered (stream, |
c16158bc | 1232 | _("\nFor bug reporting instructions, please see:\n")); |
1cf55f60 | 1233 | fprintf_filtered (stream, "%s.\n", REPORT_BUGS_TO); |
c16158bc | 1234 | } |
1cf55f60 PM |
1235 | fprintf_filtered (stream, |
1236 | _("Find the GDB manual and other documentation \ | |
1237 | resources online at:\n<http://www.gnu.org/software/gdb/documentation/>.\n")); | |
1238 | fprintf_filtered (stream, _("For help, type \"help\".\n")); | |
1239 | fprintf_filtered (stream, _("Type \"apropos word\" to search for \ | |
af4c453a | 1240 | commands related to \"word\".")); |
9e0b60a8 | 1241 | } |
6eaaf48b EZ |
1242 | |
1243 | /* Print the details of GDB build-time configuration. */ | |
1244 | void | |
1245 | print_gdb_configuration (struct ui_file *stream) | |
1246 | { | |
1247 | fprintf_filtered (stream, _("\ | |
1248 | This GDB was configured as follows:\n\ | |
1249 | configure --host=%s --target=%s\n\ | |
1250 | "), host_name, target_name); | |
1251 | fprintf_filtered (stream, _("\ | |
1252 | --with-auto-load-dir=%s\n\ | |
1253 | --with-auto-load-safe-path=%s\n\ | |
1254 | "), AUTO_LOAD_DIR, AUTO_LOAD_SAFE_PATH); | |
1255 | #if HAVE_LIBEXPAT | |
1256 | fprintf_filtered (stream, _("\ | |
1257 | --with-expat\n\ | |
1258 | ")); | |
1259 | #else | |
1260 | fprintf_filtered (stream, _("\ | |
1261 | --without-expat\n\ | |
1262 | ")); | |
1263 | #endif | |
1264 | if (GDB_DATADIR[0]) | |
1265 | fprintf_filtered (stream, _("\ | |
1266 | --with-gdb-datadir=%s%s\n\ | |
1267 | "), GDB_DATADIR, GDB_DATADIR_RELOCATABLE ? " (relocatable)" : ""); | |
1268 | #ifdef ICONV_BIN | |
1269 | fprintf_filtered (stream, _("\ | |
1270 | --with-iconv-bin=%s%s\n\ | |
1271 | "), ICONV_BIN, ICONV_BIN_RELOCATABLE ? " (relocatable)" : ""); | |
1272 | #endif | |
1273 | if (JIT_READER_DIR[0]) | |
1274 | fprintf_filtered (stream, _("\ | |
1275 | --with-jit-reader-dir=%s%s\n\ | |
1276 | "), JIT_READER_DIR, JIT_READER_DIR_RELOCATABLE ? " (relocatable)" : ""); | |
1277 | #if HAVE_LIBUNWIND_IA64_H | |
1278 | fprintf_filtered (stream, _("\ | |
1279 | --with-libunwind-ia64\n\ | |
1280 | ")); | |
1281 | #else | |
1282 | fprintf_filtered (stream, _("\ | |
1283 | --without-libunwind-ia64\n\ | |
1284 | ")); | |
1285 | #endif | |
1286 | #if HAVE_LIBLZMA | |
1287 | fprintf_filtered (stream, _("\ | |
1288 | --with-lzma\n\ | |
1289 | ")); | |
1290 | #else | |
1291 | fprintf_filtered (stream, _("\ | |
1292 | --without-lzma\n\ | |
1293 | ")); | |
1294 | #endif | |
1295 | #ifdef WITH_PYTHON_PATH | |
1296 | fprintf_filtered (stream, _("\ | |
1297 | --with-python=%s%s\n\ | |
1298 | "), WITH_PYTHON_PATH, PYTHON_PATH_RELOCATABLE ? " (relocatable)" : ""); | |
1299 | #endif | |
97d66cc6 EZ |
1300 | #if HAVE_GUILE |
1301 | fprintf_filtered (stream, _("\ | |
1302 | --with-guile\n\ | |
1303 | ")); | |
1304 | #else | |
1305 | fprintf_filtered (stream, _("\ | |
1306 | --without-guile\n\ | |
1307 | ")); | |
1308 | #endif | |
6eaaf48b EZ |
1309 | #ifdef RELOC_SRCDIR |
1310 | fprintf_filtered (stream, _("\ | |
1311 | --with-relocated-sources=%s\n\ | |
1312 | "), RELOC_SRCDIR); | |
1313 | #endif | |
1314 | if (DEBUGDIR[0]) | |
1315 | fprintf_filtered (stream, _("\ | |
1316 | --with-separate-debug-dir=%s%s\n\ | |
1317 | "), DEBUGDIR, DEBUGDIR_RELOCATABLE ? " (relocatable)" : ""); | |
1318 | if (TARGET_SYSTEM_ROOT[0]) | |
1319 | fprintf_filtered (stream, _("\ | |
1320 | --with-sysroot=%s%s\n\ | |
1321 | "), TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT_RELOCATABLE ? " (relocatable)" : ""); | |
1322 | if (SYSTEM_GDBINIT[0]) | |
1323 | fprintf_filtered (stream, _("\ | |
1324 | --with-system-gdbinit=%s%s\n\ | |
1325 | "), SYSTEM_GDBINIT, SYSTEM_GDBINIT_RELOCATABLE ? " (relocatable)" : ""); | |
ab116149 YQ |
1326 | #if HAVE_LIBBABELTRACE |
1327 | fprintf_filtered (stream, _("\ | |
1328 | --with-babeltrace\n\ | |
1329 | ")); | |
1330 | #else | |
1331 | fprintf_filtered (stream, _("\ | |
1332 | --without-babeltrace\n\ | |
1333 | ")); | |
1334 | #endif | |
48d1d6f5 EZ |
1335 | /* We assume "relocatable" will be printed at least once, thus we always |
1336 | print this text. It's a reasonably safe assumption for now. */ | |
1337 | fprintf_filtered (stream, _("\n\ | |
1338 | (\"Relocatable\" means the directory can be moved with the GDB installation\n\ | |
1339 | tree, and GDB will still find it.)\n\ | |
1340 | ")); | |
6eaaf48b | 1341 | } |
9e0b60a8 | 1342 | \f |
95298e72 | 1343 | |
ab821bc6 PA |
1344 | /* The current top level prompt, settable with "set prompt", and/or |
1345 | with the python `gdb.prompt_hook' hook. */ | |
1346 | static char *top_prompt; | |
9e0b60a8 | 1347 | |
ab821bc6 | 1348 | /* Access method for the GDB prompt string. */ |
95298e72 PM |
1349 | |
1350 | char * | |
ab821bc6 | 1351 | get_prompt (void) |
95298e72 | 1352 | { |
ab821bc6 | 1353 | return top_prompt; |
95298e72 PM |
1354 | } |
1355 | ||
ab821bc6 | 1356 | /* Set method for the GDB prompt string. */ |
95298e72 PM |
1357 | |
1358 | void | |
ab821bc6 | 1359 | set_prompt (const char *s) |
95298e72 | 1360 | { |
ab821bc6 | 1361 | char *p = xstrdup (s); |
95298e72 | 1362 | |
ab821bc6 PA |
1363 | xfree (top_prompt); |
1364 | top_prompt = p; | |
9e0b60a8 | 1365 | } |
9e0b60a8 | 1366 | \f |
c5aa993b | 1367 | |
b0abbc58 | 1368 | struct qt_args |
9e0b60a8 | 1369 | { |
b0abbc58 JJ |
1370 | char *args; |
1371 | int from_tty; | |
1372 | }; | |
9e0b60a8 | 1373 | |
54a012c9 PA |
1374 | /* Callback for iterate_over_inferiors. Kills or detaches the given |
1375 | inferior, depending on how we originally gained control of it. */ | |
1376 | ||
1377 | static int | |
1378 | kill_or_detach (struct inferior *inf, void *args) | |
1379 | { | |
19ba03f4 | 1380 | struct qt_args *qt = (struct qt_args *) args; |
54a012c9 PA |
1381 | struct thread_info *thread; |
1382 | ||
6c95b8df PA |
1383 | if (inf->pid == 0) |
1384 | return 0; | |
1385 | ||
b8fa0bfa PA |
1386 | thread = any_thread_of_process (inf->pid); |
1387 | if (thread != NULL) | |
9e0b60a8 | 1388 | { |
54a012c9 | 1389 | switch_to_thread (thread->ptid); |
c35b1492 PA |
1390 | |
1391 | /* Leave core files alone. */ | |
1392 | if (target_has_execution) | |
1393 | { | |
1394 | if (inf->attach_flag) | |
1395 | target_detach (qt->args, qt->from_tty); | |
1396 | else | |
1397 | target_kill (); | |
1398 | } | |
9e0b60a8 JM |
1399 | } |
1400 | ||
54a012c9 PA |
1401 | return 0; |
1402 | } | |
1403 | ||
b8fa0bfa PA |
1404 | /* Callback for iterate_over_inferiors. Prints info about what GDB |
1405 | will do to each inferior on a "quit". ARG points to a struct | |
1406 | ui_out where output is to be collected. */ | |
1407 | ||
1408 | static int | |
1409 | print_inferior_quit_action (struct inferior *inf, void *arg) | |
1410 | { | |
19ba03f4 | 1411 | struct ui_file *stb = (struct ui_file *) arg; |
b8fa0bfa | 1412 | |
6c95b8df PA |
1413 | if (inf->pid == 0) |
1414 | return 0; | |
1415 | ||
b8fa0bfa PA |
1416 | if (inf->attach_flag) |
1417 | fprintf_filtered (stb, | |
1418 | _("\tInferior %d [%s] will be detached.\n"), inf->num, | |
1419 | target_pid_to_str (pid_to_ptid (inf->pid))); | |
1420 | else | |
1421 | fprintf_filtered (stb, | |
1422 | _("\tInferior %d [%s] will be killed.\n"), inf->num, | |
1423 | target_pid_to_str (pid_to_ptid (inf->pid))); | |
1424 | ||
1425 | return 0; | |
1426 | } | |
1427 | ||
1428 | /* If necessary, make the user confirm that we should quit. Return | |
1429 | non-zero if we should quit, zero if we shouldn't. */ | |
1430 | ||
1431 | int | |
1432 | quit_confirm (void) | |
1433 | { | |
1434 | struct ui_file *stb; | |
1435 | struct cleanup *old_chain; | |
1436 | char *str; | |
1437 | int qr; | |
1438 | ||
1439 | /* Don't even ask if we're only debugging a core file inferior. */ | |
1440 | if (!have_live_inferiors ()) | |
1441 | return 1; | |
1442 | ||
1443 | /* Build the query string as a single string. */ | |
1444 | stb = mem_fileopen (); | |
1445 | old_chain = make_cleanup_ui_file_delete (stb); | |
1446 | ||
5a5d8ead AB |
1447 | fprintf_filtered (stb, _("A debugging session is active.\n\n")); |
1448 | iterate_over_inferiors (print_inferior_quit_action, stb); | |
1449 | fprintf_filtered (stb, _("\nQuit anyway? ")); | |
b8fa0bfa PA |
1450 | |
1451 | str = ui_file_xstrdup (stb, NULL); | |
1452 | make_cleanup (xfree, str); | |
1453 | ||
1454 | qr = query ("%s", str); | |
1455 | do_cleanups (old_chain); | |
1456 | return qr; | |
1457 | } | |
1458 | ||
18206ca3 PP |
1459 | /* Prepare to exit GDB cleanly by undoing any changes made to the |
1460 | terminal so that we leave the terminal in the state we acquired it. */ | |
1461 | ||
1462 | static void | |
1463 | undo_terminal_modifications_before_exit (void) | |
1464 | { | |
3c216924 PA |
1465 | struct ui *saved_top_level = current_ui; |
1466 | ||
18206ca3 | 1467 | target_terminal_ours (); |
3c216924 PA |
1468 | |
1469 | current_ui = main_ui; | |
1470 | ||
18206ca3 PP |
1471 | #if defined(TUI) |
1472 | tui_disable (); | |
1473 | #endif | |
3c216924 PA |
1474 | gdb_disable_readline (); |
1475 | ||
1476 | current_ui = saved_top_level; | |
18206ca3 PP |
1477 | } |
1478 | ||
1479 | ||
b0abbc58 JJ |
1480 | /* Quit without asking for confirmation. */ |
1481 | ||
1482 | void | |
1483 | quit_force (char *args, int from_tty) | |
1484 | { | |
1485 | int exit_code = 0; | |
365c70b1 | 1486 | struct qt_args qt; |
b0abbc58 | 1487 | |
18206ca3 PP |
1488 | undo_terminal_modifications_before_exit (); |
1489 | ||
b0abbc58 | 1490 | /* An optional expression may be used to cause gdb to terminate with the |
371d5dec | 1491 | value of that expression. */ |
b0abbc58 JJ |
1492 | if (args) |
1493 | { | |
1494 | struct value *val = parse_and_eval (args); | |
1495 | ||
1496 | exit_code = (int) value_as_long (val); | |
1497 | } | |
4b0ad762 AS |
1498 | else if (return_child_result) |
1499 | exit_code = return_child_result_value; | |
b0abbc58 | 1500 | |
365c70b1 JJ |
1501 | qt.args = args; |
1502 | qt.from_tty = from_tty; | |
1503 | ||
b0abbc58 | 1504 | /* We want to handle any quit errors and exit regardless. */ |
2f9d54cf PA |
1505 | |
1506 | /* Get out of tfind mode, and kill or detach all inferiors. */ | |
492d29ea | 1507 | TRY |
2f9d54cf PA |
1508 | { |
1509 | disconnect_tracing (); | |
1510 | iterate_over_inferiors (kill_or_detach, &qt); | |
1511 | } | |
492d29ea PA |
1512 | CATCH (ex, RETURN_MASK_ALL) |
1513 | { | |
1514 | exception_print (gdb_stderr, ex); | |
1515 | } | |
1516 | END_CATCH | |
2f9d54cf PA |
1517 | |
1518 | /* Give all pushed targets a chance to do minimal cleanup, and pop | |
1519 | them all out. */ | |
492d29ea | 1520 | TRY |
2f9d54cf PA |
1521 | { |
1522 | pop_all_targets (); | |
1523 | } | |
492d29ea PA |
1524 | CATCH (ex, RETURN_MASK_ALL) |
1525 | { | |
1526 | exception_print (gdb_stderr, ex); | |
1527 | } | |
1528 | END_CATCH | |
2f9d54cf PA |
1529 | |
1530 | /* Save the history information if it is appropriate to do so. */ | |
492d29ea | 1531 | TRY |
2f9d54cf | 1532 | { |
35ab155d MB |
1533 | if (write_history_p && history_filename |
1534 | && input_from_terminal_p ()) | |
08b13bdd | 1535 | gdb_safe_append_history (); |
2f9d54cf | 1536 | } |
492d29ea PA |
1537 | CATCH (ex, RETURN_MASK_ALL) |
1538 | { | |
1539 | exception_print (gdb_stderr, ex); | |
1540 | } | |
1541 | END_CATCH | |
2f9d54cf PA |
1542 | |
1543 | /* Do any final cleanups before exiting. */ | |
492d29ea | 1544 | TRY |
2f9d54cf PA |
1545 | { |
1546 | do_final_cleanups (all_cleanups ()); | |
1547 | } | |
492d29ea PA |
1548 | CATCH (ex, RETURN_MASK_ALL) |
1549 | { | |
1550 | exception_print (gdb_stderr, ex); | |
1551 | } | |
1552 | END_CATCH | |
b0abbc58 | 1553 | |
9e0b60a8 JM |
1554 | exit (exit_code); |
1555 | } | |
1556 | ||
698ba934 DJ |
1557 | /* Returns whether GDB is running on a terminal and input is |
1558 | currently coming from that terminal. */ | |
9e0b60a8 JM |
1559 | |
1560 | int | |
fba45db2 | 1561 | input_from_terminal_p (void) |
9e0b60a8 | 1562 | { |
f38d3ad1 PA |
1563 | struct ui *ui = current_ui; |
1564 | ||
c63a1f86 JK |
1565 | if (batch_flag) |
1566 | return 0; | |
1567 | ||
f38d3ad1 | 1568 | if (gdb_has_a_terminal () && ui->instream == stdin) |
698ba934 DJ |
1569 | return 1; |
1570 | ||
1571 | /* If INSTREAM is unset, and we are not in a user command, we | |
1572 | must be in Insight. That's like having a terminal, for our | |
1573 | purposes. */ | |
f38d3ad1 | 1574 | if (ui->instream == NULL && !in_user_command) |
698ba934 DJ |
1575 | return 1; |
1576 | ||
1577 | return 0; | |
9e0b60a8 JM |
1578 | } |
1579 | \f | |
9e0b60a8 | 1580 | static void |
fba45db2 | 1581 | dont_repeat_command (char *ignored, int from_tty) |
9e0b60a8 | 1582 | { |
dc7eb48e PA |
1583 | /* Can't call dont_repeat here because we're not necessarily reading |
1584 | from stdin. */ | |
1585 | *saved_command_line = 0; | |
9e0b60a8 JM |
1586 | } |
1587 | \f | |
1588 | /* Functions to manipulate command line editing control variables. */ | |
1589 | ||
1590 | /* Number of commands to print in each call to show_commands. */ | |
1591 | #define Hist_print 10 | |
d318976c | 1592 | void |
fba45db2 | 1593 | show_commands (char *args, int from_tty) |
9e0b60a8 JM |
1594 | { |
1595 | /* Index for history commands. Relative to history_base. */ | |
1596 | int offset; | |
1597 | ||
1598 | /* Number of the history entry which we are planning to display next. | |
1599 | Relative to history_base. */ | |
1600 | static int num = 0; | |
1601 | ||
9e0b60a8 | 1602 | /* Print out some of the commands from the command history. */ |
9e0b60a8 JM |
1603 | |
1604 | if (args) | |
1605 | { | |
1606 | if (args[0] == '+' && args[1] == '\0') | |
1607 | /* "info editing +" should print from the stored position. */ | |
1608 | ; | |
1609 | else | |
1610 | /* "info editing <exp>" should print around command number <exp>. */ | |
0e828ed1 | 1611 | num = (parse_and_eval_long (args) - history_base) - Hist_print / 2; |
9e0b60a8 JM |
1612 | } |
1613 | /* "show commands" means print the last Hist_print commands. */ | |
1614 | else | |
1615 | { | |
840a9a1f | 1616 | num = history_length - Hist_print; |
9e0b60a8 JM |
1617 | } |
1618 | ||
1619 | if (num < 0) | |
1620 | num = 0; | |
1621 | ||
1622 | /* If there are at least Hist_print commands, we want to display the last | |
1623 | Hist_print rather than, say, the last 6. */ | |
840a9a1f | 1624 | if (history_length - num < Hist_print) |
9e0b60a8 | 1625 | { |
840a9a1f | 1626 | num = history_length - Hist_print; |
9e0b60a8 JM |
1627 | if (num < 0) |
1628 | num = 0; | |
1629 | } | |
1630 | ||
840a9a1f PA |
1631 | for (offset = num; |
1632 | offset < num + Hist_print && offset < history_length; | |
1633 | offset++) | |
9e0b60a8 JM |
1634 | { |
1635 | printf_filtered ("%5d %s\n", history_base + offset, | |
c5aa993b | 1636 | (history_get (history_base + offset))->line); |
9e0b60a8 JM |
1637 | } |
1638 | ||
1639 | /* The next command we want to display is the next one that we haven't | |
1640 | displayed yet. */ | |
1641 | num += Hist_print; | |
1642 | ||
1643 | /* If the user repeats this command with return, it should do what | |
1644 | "show commands +" does. This is unnecessary if arg is null, | |
1645 | because "show commands +" is not useful after "show commands". */ | |
1646 | if (from_tty && args) | |
1647 | { | |
1648 | args[0] = '+'; | |
1649 | args[1] = '\0'; | |
1650 | } | |
1651 | } | |
1652 | ||
ebfd00d2 | 1653 | /* Update the size of our command history file to HISTORY_SIZE. |
840a9a1f | 1654 | |
ebfd00d2 | 1655 | A HISTORY_SIZE of -1 stands for unlimited. */ |
840a9a1f | 1656 | |
ebfd00d2 PP |
1657 | static void |
1658 | set_readline_history_size (int history_size) | |
1659 | { | |
1660 | gdb_assert (history_size >= -1); | |
840a9a1f | 1661 | |
ebfd00d2 | 1662 | if (history_size == -1) |
840a9a1f | 1663 | unstifle_history (); |
883b9c6c | 1664 | else |
ebfd00d2 PP |
1665 | stifle_history (history_size); |
1666 | } | |
1667 | ||
1668 | /* Called by do_setshow_command. */ | |
1669 | static void | |
1670 | set_history_size_command (char *args, int from_tty, struct cmd_list_element *c) | |
1671 | { | |
1672 | set_readline_history_size (history_size_setshow_var); | |
9e0b60a8 JM |
1673 | } |
1674 | ||
d318976c | 1675 | void |
fba45db2 | 1676 | set_history (char *args, int from_tty) |
9e0b60a8 | 1677 | { |
3e43a32a MS |
1678 | printf_unfiltered (_("\"set history\" must be followed " |
1679 | "by the name of a history subcommand.\n")); | |
635c7e8a | 1680 | help_list (sethistlist, "set history ", all_commands, gdb_stdout); |
9e0b60a8 JM |
1681 | } |
1682 | ||
d318976c | 1683 | void |
fba45db2 | 1684 | show_history (char *args, int from_tty) |
9e0b60a8 JM |
1685 | { |
1686 | cmd_show_list (showhistlist, from_tty, ""); | |
1687 | } | |
1688 | ||
371d5dec | 1689 | int info_verbose = 0; /* Default verbose msgs off. */ |
9e0b60a8 JM |
1690 | |
1691 | /* Called by do_setshow_command. An elaborate joke. */ | |
d318976c | 1692 | void |
fba45db2 | 1693 | set_verbose (char *args, int from_tty, struct cmd_list_element *c) |
9e0b60a8 | 1694 | { |
6f937416 | 1695 | const char *cmdname = "verbose"; |
9e0b60a8 JM |
1696 | struct cmd_list_element *showcmd; |
1697 | ||
1698 | showcmd = lookup_cmd_1 (&cmdname, showlist, NULL, 1); | |
1427fe5e | 1699 | gdb_assert (showcmd != NULL && showcmd != CMD_LIST_AMBIGUOUS); |
9e0b60a8 JM |
1700 | |
1701 | if (info_verbose) | |
1702 | { | |
1703 | c->doc = "Set verbose printing of informational messages."; | |
1704 | showcmd->doc = "Show verbose printing of informational messages."; | |
1705 | } | |
1706 | else | |
1707 | { | |
1708 | c->doc = "Set verbosity."; | |
1709 | showcmd->doc = "Show verbosity."; | |
1710 | } | |
1711 | } | |
1712 | ||
9e0b60a8 | 1713 | /* Init the history buffer. Note that we are called after the init file(s) |
371d5dec MS |
1714 | have been read so that the user can change the history file via his |
1715 | .gdbinit file (for instance). The GDBHISTFILE environment variable | |
1716 | overrides all of this. */ | |
9e0b60a8 JM |
1717 | |
1718 | void | |
fba45db2 | 1719 | init_history (void) |
9e0b60a8 JM |
1720 | { |
1721 | char *tmpenv; | |
1722 | ||
b58c513b | 1723 | tmpenv = getenv ("GDBHISTSIZE"); |
9e0b60a8 | 1724 | if (tmpenv) |
840a9a1f | 1725 | { |
bc460514 | 1726 | long var; |
0fc26caf | 1727 | int saved_errno; |
bc460514 PP |
1728 | char *endptr; |
1729 | ||
1730 | tmpenv = skip_spaces (tmpenv); | |
0fc26caf | 1731 | errno = 0; |
bc460514 | 1732 | var = strtol (tmpenv, &endptr, 10); |
0fc26caf | 1733 | saved_errno = errno; |
bc460514 PP |
1734 | endptr = skip_spaces (endptr); |
1735 | ||
1736 | /* If GDBHISTSIZE is non-numeric then ignore it. If GDBHISTSIZE is the | |
1737 | empty string, a negative number or a huge positive number (larger than | |
1738 | INT_MAX) then set the history size to unlimited. Otherwise set our | |
1739 | history size to the number we have read. This behavior is consistent | |
1740 | with how bash handles HISTSIZE. */ | |
1741 | if (*endptr != '\0') | |
1742 | ; | |
1743 | else if (*tmpenv == '\0' | |
1744 | || var < 0 | |
0fc26caf PP |
1745 | || var > INT_MAX |
1746 | /* On targets where INT_MAX == LONG_MAX, we have to look at | |
1747 | errno after calling strtol to distinguish between a value that | |
1748 | is exactly INT_MAX and an overflowing value that was clamped | |
1749 | to INT_MAX. */ | |
1750 | || (var == INT_MAX && saved_errno == ERANGE)) | |
bc460514 PP |
1751 | history_size_setshow_var = -1; |
1752 | else | |
1753 | history_size_setshow_var = var; | |
840a9a1f | 1754 | } |
bc460514 PP |
1755 | |
1756 | /* If neither the init file nor GDBHISTSIZE has set a size yet, pick the | |
1757 | default. */ | |
1758 | if (history_size_setshow_var == -2) | |
840a9a1f | 1759 | history_size_setshow_var = 256; |
9e0b60a8 | 1760 | |
ebfd00d2 | 1761 | set_readline_history_size (history_size_setshow_var); |
9e0b60a8 JM |
1762 | |
1763 | tmpenv = getenv ("GDBHISTFILE"); | |
1764 | if (tmpenv) | |
1b36a34b | 1765 | history_filename = xstrdup (tmpenv); |
c5aa993b JM |
1766 | else if (!history_filename) |
1767 | { | |
1768 | /* We include the current directory so that if the user changes | |
1769 | directories the file written will be the same as the one | |
1770 | that was read. */ | |
a0b3c4fd | 1771 | #ifdef __MSDOS__ |
eb2f494a | 1772 | /* No leading dots in file names are allowed on MSDOS. */ |
1754f103 MK |
1773 | history_filename = concat (current_directory, "/_gdb_history", |
1774 | (char *)NULL); | |
a0b3c4fd | 1775 | #else |
1754f103 MK |
1776 | history_filename = concat (current_directory, "/.gdb_history", |
1777 | (char *)NULL); | |
a0b3c4fd | 1778 | #endif |
c5aa993b | 1779 | } |
9e0b60a8 JM |
1780 | read_history (history_filename); |
1781 | } | |
1782 | ||
920d2a44 | 1783 | static void |
ab821bc6 PA |
1784 | show_prompt (struct ui_file *file, int from_tty, |
1785 | struct cmd_list_element *c, const char *value) | |
920d2a44 AC |
1786 | { |
1787 | fprintf_filtered (file, _("Gdb's prompt is \"%s\".\n"), value); | |
1788 | } | |
1789 | ||
3c216924 PA |
1790 | /* "set editing" command. */ |
1791 | ||
1792 | static void | |
1793 | set_editing (char *args, int from_tty, struct cmd_list_element *c) | |
1794 | { | |
1795 | change_line_handler (set_editing_cmd_var); | |
1796 | /* Update the control variable so that MI's =cmd-param-changed event | |
1797 | shows the correct value. */ | |
1798 | set_editing_cmd_var = current_ui->command_editing; | |
1799 | } | |
1800 | ||
920d2a44 | 1801 | static void |
3c216924 PA |
1802 | show_editing (struct ui_file *file, int from_tty, |
1803 | struct cmd_list_element *c, const char *value) | |
920d2a44 | 1804 | { |
3e43a32a MS |
1805 | fprintf_filtered (file, _("Editing of command lines as " |
1806 | "they are typed is %s.\n"), | |
3c216924 | 1807 | current_ui->command_editing ? _("on") : _("off")); |
920d2a44 AC |
1808 | } |
1809 | ||
1810 | static void | |
1811 | show_annotation_level (struct ui_file *file, int from_tty, | |
1812 | struct cmd_list_element *c, const char *value) | |
1813 | { | |
1814 | fprintf_filtered (file, _("Annotation_level is %s.\n"), value); | |
1815 | } | |
1816 | ||
1817 | static void | |
1818 | show_exec_done_display_p (struct ui_file *file, int from_tty, | |
1819 | struct cmd_list_element *c, const char *value) | |
1820 | { | |
3e43a32a MS |
1821 | fprintf_filtered (file, _("Notification of completion for " |
1822 | "asynchronous execution commands is %s.\n"), | |
920d2a44 AC |
1823 | value); |
1824 | } | |
6dea1fbd | 1825 | |
8d551b02 DE |
1826 | /* New values of the "data-directory" parameter are staged here. */ |
1827 | static char *staged_gdb_datadir; | |
1828 | ||
6dea1fbd JK |
1829 | /* "set" command for the gdb_datadir configuration variable. */ |
1830 | ||
1831 | static void | |
1832 | set_gdb_datadir (char *args, int from_tty, struct cmd_list_element *c) | |
1833 | { | |
8d551b02 | 1834 | set_gdb_data_directory (staged_gdb_datadir); |
6dea1fbd JK |
1835 | observer_notify_gdb_datadir_changed (); |
1836 | } | |
1837 | ||
8d551b02 DE |
1838 | /* "show" command for the gdb_datadir configuration variable. */ |
1839 | ||
1840 | static void | |
1841 | show_gdb_datadir (struct ui_file *file, int from_tty, | |
1842 | struct cmd_list_element *c, const char *value) | |
1843 | { | |
1844 | fprintf_filtered (file, _("GDB's data directory is \"%s\".\n"), | |
1845 | gdb_datadir); | |
1846 | } | |
1847 | ||
97c85fc6 MB |
1848 | static void |
1849 | set_history_filename (char *args, int from_tty, struct cmd_list_element *c) | |
1850 | { | |
1851 | /* We include the current directory so that if the user changes | |
1852 | directories the file written will be the same as the one | |
1853 | that was read. */ | |
1854 | if (!IS_ABSOLUTE_PATH (history_filename)) | |
1855 | history_filename = reconcat (history_filename, current_directory, "/", | |
1856 | history_filename, (char *) NULL); | |
1857 | } | |
1858 | ||
9e0b60a8 | 1859 | static void |
fba45db2 | 1860 | init_main (void) |
9e0b60a8 | 1861 | { |
ab821bc6 PA |
1862 | /* Initialize the prompt to a simple "(gdb) " prompt or to whatever |
1863 | the DEFAULT_PROMPT is. */ | |
1864 | set_prompt (DEFAULT_PROMPT); | |
1865 | ||
9e0b60a8 JM |
1866 | /* Set the important stuff up for command editing. */ |
1867 | command_editing_p = 1; | |
9e0b60a8 | 1868 | history_expansion_p = 0; |
452a569e | 1869 | write_history_p = 0; |
9e0b60a8 JM |
1870 | |
1871 | /* Setup important stuff for command line editing. */ | |
67c296a2 | 1872 | rl_completion_word_break_hook = gdb_completion_word_break_characters; |
38017ce8 | 1873 | rl_completion_entry_function = readline_line_completion_function; |
51065942 | 1874 | rl_completer_word_break_characters = default_word_break_characters (); |
d318976c | 1875 | rl_completer_quote_characters = get_gdb_completer_quote_characters (); |
82083d6d | 1876 | rl_completion_display_matches_hook = cli_display_match_list; |
9e0b60a8 | 1877 | rl_readline_name = "gdb"; |
7cb3ec5e | 1878 | rl_terminal_name = getenv ("TERM"); |
9e0b60a8 | 1879 | |
467d8519 TT |
1880 | /* The name for this defun comes from Bash, where it originated. |
1881 | 15 is Control-o, the same binding this function has in Bash. */ | |
1882 | rl_add_defun ("operate-and-get-next", gdb_rl_operate_and_get_next, 15); | |
1883 | ||
4d28ad1e | 1884 | add_setshow_string_cmd ("prompt", class_support, |
ab821bc6 | 1885 | &top_prompt, |
3e43a32a MS |
1886 | _("Set gdb's prompt"), |
1887 | _("Show gdb's prompt"), | |
ab821bc6 PA |
1888 | NULL, NULL, |
1889 | show_prompt, | |
4d28ad1e | 1890 | &setlist, &showlist); |
9e0b60a8 | 1891 | |
1bedd215 | 1892 | add_com ("dont-repeat", class_support, dont_repeat_command, _("\ |
3e43a32a MS |
1893 | Don't repeat this command.\nPrimarily \ |
1894 | used inside of user-defined commands that should not be repeated when\n\ | |
1bedd215 | 1895 | hitting return.")); |
9e0b60a8 | 1896 | |
5bf193a2 | 1897 | add_setshow_boolean_cmd ("editing", class_support, |
3c216924 | 1898 | &set_editing_cmd_var, _("\ |
5bf193a2 AC |
1899 | Set editing of command lines as they are typed."), _("\ |
1900 | Show editing of command lines as they are typed."), _("\ | |
9e0b60a8 JM |
1901 | Use \"on\" to enable the editing, and \"off\" to disable it.\n\ |
1902 | Without an argument, command line editing is enabled. To edit, use\n\ | |
5bf193a2 | 1903 | EMACS-like or VI-like commands like control-P or ESC."), |
3c216924 PA |
1904 | set_editing, |
1905 | show_editing, | |
5bf193a2 AC |
1906 | &setlist, &showlist); |
1907 | ||
1908 | add_setshow_boolean_cmd ("save", no_class, &write_history_p, _("\ | |
1909 | Set saving of the history record on exit."), _("\ | |
1910 | Show saving of the history record on exit."), _("\ | |
9e0b60a8 | 1911 | Use \"on\" to enable the saving, and \"off\" to disable it.\n\ |
5bf193a2 AC |
1912 | Without an argument, saving is enabled."), |
1913 | NULL, | |
920d2a44 | 1914 | show_write_history_p, |
5bf193a2 | 1915 | &sethistlist, &showhistlist); |
9e0b60a8 | 1916 | |
ebfd00d2 PP |
1917 | add_setshow_zuinteger_unlimited_cmd ("size", no_class, |
1918 | &history_size_setshow_var, _("\ | |
4d28ad1e AC |
1919 | Set the size of the command history,"), _("\ |
1920 | Show the size of the command history,"), _("\ | |
f81d1120 PA |
1921 | ie. the number of previous commands to keep a record of.\n\ |
1922 | If set to \"unlimited\", the number of commands kept in the history\n\ | |
1923 | list is unlimited. This defaults to the value of the environment\n\ | |
b58c513b | 1924 | variable \"GDBHISTSIZE\", or to 256 if this variable is not set."), |
883b9c6c YQ |
1925 | set_history_size_command, |
1926 | show_history_size, | |
1927 | &sethistlist, &showhistlist); | |
4d28ad1e | 1928 | |
fc637f04 PP |
1929 | add_setshow_zuinteger_unlimited_cmd ("remove-duplicates", no_class, |
1930 | &history_remove_duplicates, _("\ | |
1931 | Set how far back in history to look for and remove duplicate entries."), _("\ | |
1932 | Show how far back in history to look for and remove duplicate entries."), _("\ | |
1933 | If set to a nonzero value N, GDB will look back at the last N history entries\n\ | |
1934 | and remove the first history entry that is a duplicate of the most recent\n\ | |
1935 | entry, each time a new history entry is added.\n\ | |
1936 | If set to \"unlimited\", this lookbehind is unbounded.\n\ | |
1937 | Only history entries added during this session are considered for removal.\n\ | |
1938 | If set to 0, removal of duplicate history entries is disabled.\n\ | |
1939 | By default this option is set to 0."), | |
1940 | NULL, | |
1941 | show_history_remove_duplicates, | |
1942 | &sethistlist, &showhistlist); | |
1943 | ||
4d28ad1e AC |
1944 | add_setshow_filename_cmd ("filename", no_class, &history_filename, _("\ |
1945 | Set the filename in which to record the command history"), _("\ | |
1946 | Show the filename in which to record the command history"), _("\ | |
1947 | (the list of previous commands of which a record is kept)."), | |
97c85fc6 | 1948 | set_history_filename, |
920d2a44 | 1949 | show_history_filename, |
4d28ad1e | 1950 | &sethistlist, &showhistlist); |
9e0b60a8 | 1951 | |
e360902b | 1952 | add_setshow_boolean_cmd ("confirm", class_support, &confirm, _("\ |
5bf193a2 AC |
1953 | Set whether to confirm potentially dangerous operations."), _("\ |
1954 | Show whether to confirm potentially dangerous operations."), NULL, | |
1955 | NULL, | |
e360902b | 1956 | show_confirm, |
5bf193a2 | 1957 | &setlist, &showlist); |
9e0b60a8 | 1958 | |
85c07804 AC |
1959 | add_setshow_zinteger_cmd ("annotate", class_obscure, &annotation_level, _("\ |
1960 | Set annotation_level."), _("\ | |
1961 | Show annotation_level."), _("\ | |
9e0b60a8 | 1962 | 0 == normal; 1 == fullname (for use when running under emacs)\n\ |
85c07804 | 1963 | 2 == output annotated suitably for use by programs that control GDB."), |
ab821bc6 | 1964 | NULL, |
920d2a44 | 1965 | show_annotation_level, |
85c07804 | 1966 | &setlist, &showlist); |
362646f5 | 1967 | |
5bf193a2 AC |
1968 | add_setshow_boolean_cmd ("exec-done-display", class_support, |
1969 | &exec_done_display_p, _("\ | |
1970 | Set notification of completion for asynchronous execution commands."), _("\ | |
1971 | Show notification of completion for asynchronous execution commands."), _("\ | |
1972 | Use \"on\" to enable the notification, and \"off\" to disable it."), | |
1973 | NULL, | |
920d2a44 | 1974 | show_exec_done_display_p, |
5bf193a2 | 1975 | &setlist, &showlist); |
b14b1491 TT |
1976 | |
1977 | add_setshow_filename_cmd ("data-directory", class_maintenance, | |
8d551b02 | 1978 | &staged_gdb_datadir, _("Set GDB's data directory."), |
b14b1491 TT |
1979 | _("Show GDB's data directory."), |
1980 | _("\ | |
1981 | When set, GDB uses the specified path to search for data files."), | |
8d551b02 | 1982 | set_gdb_datadir, show_gdb_datadir, |
b14b1491 TT |
1983 | &setlist, |
1984 | &showlist); | |
9e0b60a8 | 1985 | } |
64cdedad EZ |
1986 | |
1987 | void | |
1988 | gdb_init (char *argv0) | |
1989 | { | |
1990 | if (pre_init_ui_hook) | |
1991 | pre_init_ui_hook (); | |
1992 | ||
371d5dec | 1993 | /* Run the init function of each source file. */ |
64cdedad | 1994 | |
64cdedad EZ |
1995 | #ifdef __MSDOS__ |
1996 | /* Make sure we return to the original directory upon exit, come | |
1997 | what may, since the OS doesn't do that for us. */ | |
1998 | make_final_cleanup (do_chdir_cleanup, xstrdup (current_directory)); | |
1999 | #endif | |
2000 | ||
371d5dec MS |
2001 | init_cmd_lists (); /* This needs to be done first. */ |
2002 | initialize_targets (); /* Setup target_terminal macros for utils.c. */ | |
2003 | initialize_utils (); /* Make errors and warnings possible. */ | |
9dea9163 | 2004 | |
24b73f8e PP |
2005 | init_page_info (); |
2006 | ||
9dea9163 | 2007 | /* Here is where we call all the _initialize_foo routines. */ |
64cdedad | 2008 | initialize_all_files (); |
9dea9163 | 2009 | |
6c95b8df PA |
2010 | /* This creates the current_program_space. Do this after all the |
2011 | _initialize_foo routines have had a chance to install their | |
2012 | per-sspace data keys. Also do this before | |
2013 | initialize_current_architecture is called, because it accesses | |
2014 | exec_bfd of the current program space. */ | |
2015 | initialize_progspace (); | |
2016 | initialize_inferiors (); | |
64cdedad EZ |
2017 | initialize_current_architecture (); |
2018 | init_cli_cmds(); | |
371d5dec | 2019 | init_main (); /* But that omits this file! Do it now. */ |
64cdedad | 2020 | |
0ea3f30e DJ |
2021 | initialize_stdin_serial (); |
2022 | ||
6a06d660 PP |
2023 | /* Take a snapshot of our tty state before readline/ncurses have had a chance |
2024 | to alter it. */ | |
2025 | set_initial_gdb_ttystate (); | |
2026 | ||
362646f5 | 2027 | async_init_signals (); |
64cdedad | 2028 | |
371d5dec MS |
2029 | /* We need a default language for parsing expressions, so simple |
2030 | things like "set width 0" won't fail if no language is explicitly | |
2031 | set in a config file or implicitly set by reading an executable | |
2032 | during startup. */ | |
64cdedad | 2033 | set_language (language_c); |
371d5dec | 2034 | expected_language = current_language; /* Don't warn about the change. */ |
64cdedad | 2035 | |
6dddc817 | 2036 | /* Python initialization, for example, can require various commands to be |
371d5dec MS |
2037 | installed. For example "info pretty-printer" needs the "info" |
2038 | prefix to be installed. Keep things simple and just do final | |
6dddc817 DE |
2039 | script initialization here. */ |
2040 | finish_ext_lang_initialization (); | |
64cdedad | 2041 | } |