1 /* Top level stuff for GDB, the GNU debugger.
3 Copyright (C) 1986-2013 Free Software Foundation, Inc.
5 This file is part of GDB.
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
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
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.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 #include "cli/cli-cmds.h"
23 #include "cli/cli-script.h"
24 #include "cli/cli-setshow.h"
25 #include "cli/cli-decode.h"
28 #include "exceptions.h"
31 #include "breakpoint.h"
33 #include "expression.h"
36 #include "terminal.h" /* For job_control. */
38 #include "completer.h"
43 #include "gdb_assert.h"
45 #include "event-loop.h"
46 #include "gdbthread.h"
47 #include "python/python.h"
52 /* readline include files. */
53 #include "readline/readline.h"
54 #include "readline/history.h"
56 /* readline defines this. */
59 #include <sys/types.h>
61 #include "event-top.h"
62 #include "gdb_string.h"
67 #include "tracepoint.h"
69 extern void initialize_all_files (void);
71 #define PROMPT(X) the_prompts.prompt_stack[the_prompts.top + X].prompt
72 #define PREFIX(X) the_prompts.prompt_stack[the_prompts.top + X].prefix
73 #define SUFFIX(X) the_prompts.prompt_stack[the_prompts.top + X].suffix
75 /* Default command line prompt. This is overriden in some configs. */
77 #ifndef DEFAULT_PROMPT
78 #define DEFAULT_PROMPT "(gdb) "
81 /* Initialization file name for gdb. This is overridden in some configs. */
85 # define PATH_MAX FILENAME_MAX
91 #ifndef GDBINIT_FILENAME
92 #define GDBINIT_FILENAME ".gdbinit"
94 char gdbinit[PATH_MAX + 1] = GDBINIT_FILENAME;
96 int inhibit_gdbinit = 0;
98 /* If nonzero, and GDB has been configured to be able to use windows,
99 attempt to open them upon startup. */
103 extern char lang_frame_mismatch_warn[]; /* language.c */
105 /* Flag for whether we want to confirm potentially dangerous
106 operations. Default is yes. */
111 show_confirm (struct ui_file *file, int from_tty,
112 struct cmd_list_element *c, const char *value)
114 fprintf_filtered (file, _("Whether to confirm potentially "
115 "dangerous operations is %s.\n"),
119 /* stdio stream that command input is being read from. Set to stdin
120 normally. Set by source_command to the file we are sourcing. Set
121 to NULL if we are executing a user-defined command or interacting
126 /* Flag to indicate whether a user defined command is currently running. */
130 /* Current working directory. */
132 char *current_directory;
134 /* The directory name is actually stored here (usually). */
135 char gdb_dirbuf[1024];
137 /* Function to call before reading a command, if nonzero.
138 The function receives two args: an input stream,
139 and a prompt string. */
141 void (*window_hook) (FILE *, char *);
143 /* Buffer used for reading command lines, and the size
144 allocated for it so far. */
146 char *saved_command_line;
147 int saved_command_line_size = 100;
149 /* Nonzero if the current command is modified by "server ". This
150 affects things like recording into the command history, commands
151 repeating on RETURN, etc. This is so a user interface (emacs, GUI,
152 whatever) can issue its own commands and also send along commands
153 from the user, and have the user not notice that the user interface
154 is issuing commands too. */
157 /* Baud rate specified for talking to serial target systems. Default
158 is left as -1, so targets can choose their own defaults. */
159 /* FIXME: This means that "show remotebaud" and gr_files_info can
160 print -1 or (unsigned int)-1. This is a Bad User Interface. */
164 /* Timeout limit for response from target. */
166 /* The default value has been changed many times over the years. It
167 was originally 5 seconds. But that was thought to be a long time
168 to sit and wait, so it was changed to 2 seconds. That was thought
169 to be plenty unless the connection was going through some terminal
170 server or multiplexer or other form of hairy serial connection.
172 In mid-1996, remote_timeout was moved from remote.c to top.c and
173 it began being used in other remote-* targets. It appears that the
174 default was changed to 20 seconds at that time, perhaps because the
175 Renesas E7000 ICE didn't always respond in a timely manner.
177 But if 5 seconds is a long time to sit and wait for retransmissions,
178 20 seconds is far worse. This demonstrates the difficulty of using
179 a single variable for all protocol timeouts.
181 As remote.c is used much more than remote-e7000.c, it was changed
182 back to 2 seconds in 1999. */
184 int remote_timeout = 2;
186 /* Non-zero tells remote* modules to output debugging info. */
188 int remote_debug = 0;
190 /* Sbrk location on entry to main. Used for statistics only. */
195 /* Hooks for alternate command interfaces. */
197 /* Called after most modules have been initialized, but before taking
200 If the UI fails to initialize and it wants GDB to continue using
201 the default UI, then it should clear this hook before returning. */
203 void (*deprecated_init_ui_hook) (char *argv0);
205 /* This hook is called from within gdb's many mini-event loops which
206 could steal control from a real user interface's event loop. It
207 returns non-zero if the user is requesting a detach, zero
210 int (*deprecated_ui_loop_hook) (int);
212 /* Called instead of command_loop at top level. Can be invoked via
213 throw_exception(). */
215 void (*deprecated_command_loop_hook) (void);
218 /* Called from print_frame_info to list the line we stopped in. */
220 void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
224 /* Replaces most of query. */
226 int (*deprecated_query_hook) (const char *, va_list);
228 /* Replaces most of warning. */
230 void (*deprecated_warning_hook) (const char *, va_list);
232 /* These three functions support getting lines of text from the user.
233 They are used in sequence. First deprecated_readline_begin_hook is
234 called with a text string that might be (for example) a message for
235 the user to type in a sequence of commands to be executed at a
236 breakpoint. If this function calls back to a GUI, it might take
237 this opportunity to pop up a text interaction window with this
238 message. Next, deprecated_readline_hook is called with a prompt
239 that is emitted prior to collecting the user input. It can be
240 called multiple times. Finally, deprecated_readline_end_hook is
241 called to notify the GUI that we are done with the interaction
242 window and it can close it. */
244 void (*deprecated_readline_begin_hook) (char *, ...);
245 char *(*deprecated_readline_hook) (char *);
246 void (*deprecated_readline_end_hook) (void);
248 /* Called as appropriate to notify the interface that we have attached
249 to or detached from an already running process. */
251 void (*deprecated_attach_hook) (void);
252 void (*deprecated_detach_hook) (void);
254 /* Called during long calculations to allow GUI to repair window
255 damage, and to check for stop buttons, etc... */
257 void (*deprecated_interactive_hook) (void);
259 /* Tell the GUI someone changed the register REGNO. -1 means
260 that the caller does not know which register changed or
261 that several registers have changed (see value_assign). */
262 void (*deprecated_register_changed_hook) (int regno);
264 /* Called when going to wait for the target. Usually allows the GUI
265 to run while waiting for target events. */
267 ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
268 struct target_waitstatus *status,
271 /* Used by UI as a wrapper around command execution. May do various
272 things like enabling/disabling buttons, etc... */
274 void (*deprecated_call_command_hook) (struct cmd_list_element * c,
275 char *cmd, int from_tty);
277 /* Called after a `set' command has finished. Is only run if the
278 `set' command succeeded. */
280 void (*deprecated_set_hook) (struct cmd_list_element * c);
282 /* Called when the current thread changes. Argument is thread id. */
284 void (*deprecated_context_hook) (int id);
286 /* Handler for SIGHUP. */
289 /* NOTE 1999-04-29: This function will be static again, once we modify
290 gdb to use the event loop as the default command loop and we merge
291 event-top.c into this file, top.c. */
295 /* Stop asking user for confirmation --- we're exiting. This
296 prevents asking the user dumb questions. */
298 quit_command ((char *) 0, 0);
300 #endif /* defined SIGHUP */
302 /* Line number we are currently in, in a file which is being sourced. */
303 /* NOTE 1999-04-29: This variable will be static again, once we modify
304 gdb to use the event loop as the default command loop and we merge
305 event-top.c into this file, top.c. */
306 /* static */ int source_line_number;
308 /* Name of the file we are sourcing. */
309 /* NOTE 1999-04-29: This variable will be static again, once we modify
310 gdb to use the event loop as the default command loop and we merge
311 event-top.c into this file, top.c. */
312 /* static */ const char *source_file_name;
314 /* Clean up on error during a "source" command (or execution of a
315 user-defined command). */
318 do_restore_instream_cleanup (void *stream)
320 /* Restore the previous input stream. */
324 /* Read commands from STREAM. */
326 read_command_file (FILE *stream)
328 struct cleanup *cleanups;
330 cleanups = make_cleanup (do_restore_instream_cleanup, instream);
333 do_cleanups (cleanups);
336 void (*pre_init_ui_hook) (void);
340 do_chdir_cleanup (void *old_dir)
348 prepare_execute_command (void)
351 struct cleanup *cleanup;
353 mark = value_mark ();
354 cleanup = make_cleanup_value_free_to_mark (mark);
356 /* With multiple threads running while the one we're examining is
357 stopped, the dcache can get stale without us being able to detect
358 it. For the duration of the command, though, use the dcache to
359 help things like backtrace. */
361 target_dcache_invalidate ();
366 /* Tell the user if the language has changed (except first time) after
367 executing a command. */
370 check_frame_language_change (void)
372 static int warned = 0;
374 /* First make sure that a new frame has been selected, in case the
375 command or the hooks changed the program state. */
376 deprecated_safe_get_selected_frame ();
377 if (current_language != expected_language)
379 if (language_mode == language_mode_auto && info_verbose)
381 language_info (1); /* Print what changed. */
386 /* Warn the user if the working language does not match the language
387 of the current frame. Only warn the user if we are actually
388 running the program, i.e. there is a stack. */
389 /* FIXME: This should be cacheing the frame and only running when
390 the frame changes. */
392 if (has_stack_frames ())
396 flang = get_frame_language ();
398 && flang != language_unknown
399 && flang != current_language->la_language)
401 printf_filtered ("%s\n", lang_frame_mismatch_warn);
407 /* Execute the line P as a command, in the current user context.
408 Pass FROM_TTY as second argument to the defining function. */
411 execute_command (char *p, int from_tty)
413 struct cleanup *cleanup_if_error, *cleanup;
414 struct cmd_list_element *c;
417 cleanup_if_error = make_bpstat_clear_actions_cleanup ();
418 cleanup = prepare_execute_command ();
420 /* Force cleanup of any alloca areas if using C alloca instead of
424 /* This can happen when command_line_input hits end of file. */
427 do_cleanups (cleanup);
428 discard_cleanups (cleanup_if_error);
432 target_log_command (p);
434 while (*p == ' ' || *p == '\t')
442 /* If trace-commands is set then this will print this command. */
443 print_command_trace (p);
445 c = lookup_cmd (&cmd, cmdlist, "", 0, 1);
448 /* Pass null arg rather than an empty one. */
451 /* FIXME: cagney/2002-02-02: The c->type test is pretty dodgy
452 while the is_complete_command(cfunc) test is just plain
453 bogus. They should both be replaced by a test of the form
454 c->strip_trailing_white_space_p. */
455 /* NOTE: cagney/2002-02-02: The function.cfunc in the below
456 can't be replaced with func. This is because it is the
457 cfunc, and not the func, that has the value that the
458 is_complete_command hack is testing for. */
459 /* Clear off trailing whitespace, except for set and complete
462 && c->type != set_cmd
463 && !is_complete_command (c))
465 p = arg + strlen (arg) - 1;
466 while (p >= arg && (*p == ' ' || *p == '\t'))
471 /* If this command has been pre-hooked, run the hook first. */
472 execute_cmd_pre_hook (c);
474 if (c->flags & DEPRECATED_WARN_USER)
475 deprecated_cmd_warning (line);
477 /* c->user_commands would be NULL in the case of a python command. */
478 if (c->class == class_user && c->user_commands)
479 execute_user_command (c, arg);
480 else if (c->type == set_cmd)
481 do_set_command (arg, from_tty, c);
482 else if (c->type == show_cmd)
483 do_show_command (arg, from_tty, c);
484 else if (!cmd_func_p (c))
485 error (_("That is not a command, just a help topic."));
486 else if (deprecated_call_command_hook)
487 deprecated_call_command_hook (c, arg, from_tty);
489 cmd_func (c, arg, from_tty);
491 /* If the interpreter is in sync mode (we're running a user
492 command's list, running command hooks or similars), and we
493 just ran a synchronous command that started the target, wait
494 for that command to end. */
495 if (!interpreter_async && sync_execution)
497 while (gdb_do_one_event () >= 0)
502 /* If this command has been post-hooked, run the hook last. */
503 execute_cmd_post_hook (c);
507 check_frame_language_change ();
509 do_cleanups (cleanup);
510 discard_cleanups (cleanup_if_error);
513 /* Run execute_command for P and FROM_TTY. Capture its output into the
514 returned string, do not display it to the screen. BATCH_FLAG will be
515 temporarily set to true. */
518 execute_command_to_string (char *p, int from_tty)
520 struct ui_file *str_file;
521 struct cleanup *cleanup;
524 /* GDB_STDOUT should be better already restored during these
525 restoration callbacks. */
526 cleanup = set_batch_flag_and_make_cleanup_restore_page_info ();
528 make_cleanup_restore_integer (&interpreter_async);
529 interpreter_async = 0;
531 str_file = mem_fileopen ();
533 make_cleanup_ui_file_delete (str_file);
534 make_cleanup_restore_ui_file (&gdb_stdout);
535 make_cleanup_restore_ui_file (&gdb_stderr);
536 make_cleanup_restore_ui_file (&gdb_stdlog);
537 make_cleanup_restore_ui_file (&gdb_stdtarg);
538 make_cleanup_restore_ui_file (&gdb_stdtargerr);
540 if (ui_out_redirect (current_uiout, str_file) < 0)
541 warning (_("Current output protocol does not support redirection"));
543 make_cleanup_ui_out_redirect_pop (current_uiout);
545 gdb_stdout = str_file;
546 gdb_stderr = str_file;
547 gdb_stdlog = str_file;
548 gdb_stdtarg = str_file;
549 gdb_stdtargerr = str_file;
551 execute_command (p, from_tty);
553 retval = ui_file_xstrdup (str_file, NULL);
555 do_cleanups (cleanup);
560 /* Read commands from `instream' and execute them
561 until end of file or error reading instream. */
566 struct cleanup *old_chain;
568 int stdin_is_tty = ISATTY (stdin);
570 while (instream && !feof (instream))
572 if (window_hook && instream == stdin)
573 (*window_hook) (instream, get_prompt ());
576 if (instream == stdin && stdin_is_tty)
577 reinitialize_more_filter ();
578 old_chain = make_cleanup (null_cleanup, 0);
580 /* Get a command-line. This calls the readline package. */
581 command = command_line_input (instream == stdin ?
582 get_prompt () : (char *) NULL,
583 instream == stdin, "prompt");
586 do_cleanups (old_chain);
590 make_command_stats_cleanup (1);
592 execute_command (command, instream == stdin);
594 /* Do any commands attached to breakpoint we are stopped at. */
595 bpstat_do_actions ();
597 do_cleanups (old_chain);
601 /* When nonzero, cause dont_repeat to do nothing. This should only be
602 set via prevent_dont_repeat. */
604 static int suppress_dont_repeat = 0;
606 /* Commands call this if they do not want to be repeated by null lines. */
611 if (suppress_dont_repeat || server_command)
614 /* If we aren't reading from standard input, we are saving the last
615 thing read from stdin in line and don't want to delete it. Null
616 lines won't repeat here in any case. */
617 if (instream == stdin)
618 *saved_command_line = 0;
621 /* Prevent dont_repeat from working, and return a cleanup that
622 restores the previous state. */
625 prevent_dont_repeat (void)
627 struct cleanup *result = make_cleanup_restore_integer (&suppress_dont_repeat);
629 suppress_dont_repeat = 1;
634 /* Read a line from the stream "instream" without command line editing.
636 It prints PROMPT_ARG once at the start.
637 Action is compatible with "readline", e.g. space for the result is
638 malloc'd and should be freed by the caller.
640 A NULL return means end of file. */
642 gdb_readline (char *prompt_arg)
647 int result_size = 80;
651 /* Don't use a _filtered function here. It causes the assumed
652 character position to be off, since the newline we read from
653 the user is not accounted for. */
654 fputs_unfiltered (prompt_arg, gdb_stdout);
655 gdb_flush (gdb_stdout);
658 result = (char *) xmalloc (result_size);
662 /* Read from stdin if we are executing a user defined command.
663 This is the right thing for prompt_for_continue, at least. */
664 c = fgetc (instream ? instream : stdin);
669 /* The last line does not end with a newline. Return it, and
670 if we are called again fgetc will still return EOF and
671 we'll return NULL then. */
679 if (input_index > 0 && result[input_index - 1] == '\r')
684 result[input_index++] = c;
685 while (input_index >= result_size)
688 result = (char *) xrealloc (result, result_size);
692 result[input_index++] = '\0';
696 /* Variables which control command line editing and history
697 substitution. These variables are given default values at the end
699 static int command_editing_p;
701 /* NOTE 1999-04-29: This variable will be static again, once we modify
702 gdb to use the event loop as the default command loop and we merge
703 event-top.c into this file, top.c. */
705 /* static */ int history_expansion_p;
707 static int write_history_p;
709 show_write_history_p (struct ui_file *file, int from_tty,
710 struct cmd_list_element *c, const char *value)
712 fprintf_filtered (file, _("Saving of the history record on exit is %s.\n"),
716 /* The variable associated with the "set/show history size"
718 static unsigned int history_size_setshow_var;
721 show_history_size (struct ui_file *file, int from_tty,
722 struct cmd_list_element *c, const char *value)
724 fprintf_filtered (file, _("The size of the command history is %s.\n"),
728 static char *history_filename;
730 show_history_filename (struct ui_file *file, int from_tty,
731 struct cmd_list_element *c, const char *value)
733 fprintf_filtered (file, _("The filename in which to record "
734 "the command history is \"%s\".\n"),
738 /* This is like readline(), but it has some gdb-specific behavior.
739 gdb may want readline in both the synchronous and async modes during
740 a single gdb invocation. At the ordinary top-level prompt we might
741 be using the async readline. That means we can't use
742 rl_pre_input_hook, since it doesn't work properly in async mode.
743 However, for a secondary prompt (" >", such as occurs during a
744 `define'), gdb wants a synchronous response.
746 We used to call readline() directly, running it in synchronous
747 mode. But mixing modes this way is not supported, and as of
748 readline 5.x it no longer works; the arrow keys come unbound during
749 the synchronous call. So we make a nested call into the event
750 loop. That's what gdb_readline_wrapper is for. */
752 /* A flag set as soon as gdb_readline_wrapper_line is called; we can't
753 rely on gdb_readline_wrapper_result, which might still be NULL if
754 the user types Control-D for EOF. */
755 static int gdb_readline_wrapper_done;
757 /* The result of the current call to gdb_readline_wrapper, once a newline
759 static char *gdb_readline_wrapper_result;
761 /* Any intercepted hook. Operate-and-get-next sets this, expecting it
762 to be called after the newline is processed (which will redisplay
763 the prompt). But in gdb_readline_wrapper we will not get a new
764 prompt until the next call, or until we return to the event loop.
765 So we disable this hook around the newline and restore it before we
767 static void (*saved_after_char_processing_hook) (void);
769 /* This function is called when readline has seen a complete line of
773 gdb_readline_wrapper_line (char *line)
775 gdb_assert (!gdb_readline_wrapper_done);
776 gdb_readline_wrapper_result = line;
777 gdb_readline_wrapper_done = 1;
779 /* Prevent operate-and-get-next from acting too early. */
780 saved_after_char_processing_hook = after_char_processing_hook;
781 after_char_processing_hook = NULL;
783 /* Prevent parts of the prompt from being redisplayed if annotations
784 are enabled, and readline's state getting out of sync. */
785 if (async_command_editing_p)
786 rl_callback_handler_remove ();
789 struct gdb_readline_wrapper_cleanup
791 void (*handler_orig) (char *);
792 int already_prompted_orig;
796 gdb_readline_wrapper_cleanup (void *arg)
798 struct gdb_readline_wrapper_cleanup *cleanup = arg;
800 rl_already_prompted = cleanup->already_prompted_orig;
802 gdb_assert (input_handler == gdb_readline_wrapper_line);
803 input_handler = cleanup->handler_orig;
804 gdb_readline_wrapper_result = NULL;
805 gdb_readline_wrapper_done = 0;
807 after_char_processing_hook = saved_after_char_processing_hook;
808 saved_after_char_processing_hook = NULL;
814 gdb_readline_wrapper (char *prompt)
816 struct cleanup *back_to;
817 struct gdb_readline_wrapper_cleanup *cleanup;
820 cleanup = xmalloc (sizeof (*cleanup));
821 cleanup->handler_orig = input_handler;
822 input_handler = gdb_readline_wrapper_line;
824 cleanup->already_prompted_orig = rl_already_prompted;
826 back_to = make_cleanup (gdb_readline_wrapper_cleanup, cleanup);
828 /* Display our prompt and prevent double prompt display. */
829 display_gdb_prompt (prompt);
830 rl_already_prompted = 1;
832 if (after_char_processing_hook)
833 (*after_char_processing_hook) ();
834 gdb_assert (after_char_processing_hook == NULL);
836 while (gdb_do_one_event () >= 0)
837 if (gdb_readline_wrapper_done)
840 retval = gdb_readline_wrapper_result;
841 do_cleanups (back_to);
846 /* The current saved history number from operate-and-get-next.
847 This is -1 if not valid. */
848 static int operate_saved_history = -1;
850 /* This is put on the appropriate hook and helps operate-and-get-next
853 gdb_rl_operate_and_get_next_completion (void)
855 int delta = where_history () - operate_saved_history;
857 /* The `key' argument to rl_get_previous_history is ignored. */
858 rl_get_previous_history (delta, 0);
859 operate_saved_history = -1;
861 /* readline doesn't automatically update the display for us. */
864 after_char_processing_hook = NULL;
865 rl_pre_input_hook = NULL;
868 /* This is a gdb-local readline command handler. It accepts the
869 current command line (like RET does) and, if this command was taken
870 from the history, arranges for the next command in the history to
871 appear on the command line when the prompt returns.
872 We ignore the arguments. */
874 gdb_rl_operate_and_get_next (int count, int key)
878 /* Use the async hook. */
879 after_char_processing_hook = gdb_rl_operate_and_get_next_completion;
881 /* Find the current line, and find the next line to use. */
882 where = where_history();
884 if ((history_is_stifled () && (history_length >= history_max_entries))
885 || (where >= history_length - 1))
886 operate_saved_history = where;
888 operate_saved_history = where + 1;
890 return rl_newline (1, key);
893 /* Read one line from the command input stream `instream'
894 into the local static buffer `linebuffer' (whose current length
896 The buffer is made bigger as necessary.
897 Returns the address of the start of the line.
899 NULL is returned for end of file.
901 *If* the instream == stdin & stdin is a terminal, the line read
902 is copied into the file line saver (global var char *line,
903 length linesize) so that it can be duplicated.
905 This routine either uses fancy command line editing or
906 simple input as the user has requested. */
909 command_line_input (char *prompt_arg, int repeat, char *annotation_suffix)
911 static char *linebuffer = 0;
912 static unsigned linelength = 0;
916 char *local_prompt = prompt_arg;
920 /* The annotation suffix must be non-NULL. */
921 if (annotation_suffix == NULL)
922 annotation_suffix = "";
924 if (annotation_level > 1 && instream == stdin)
926 local_prompt = alloca ((prompt_arg == NULL ? 0 : strlen (prompt_arg))
927 + strlen (annotation_suffix) + 40);
928 if (prompt_arg == NULL)
929 local_prompt[0] = '\0';
931 strcpy (local_prompt, prompt_arg);
932 strcat (local_prompt, "\n\032\032");
933 strcat (local_prompt, annotation_suffix);
934 strcat (local_prompt, "\n");
940 linebuffer = (char *) xmalloc (linelength);
945 /* Control-C quits instantly if typed while in this loop
946 since it should not wait until the user types a newline. */
951 signal (STOP_SIGNAL, handle_stop_sig);
956 /* Make sure that all output has been output. Some machines may
957 let you get away with leaving out some of the gdb_flush, but
960 gdb_flush (gdb_stdout);
961 gdb_flush (gdb_stderr);
963 if (source_file_name != NULL)
964 ++source_line_number;
966 if (annotation_level > 1 && instream == stdin)
968 puts_unfiltered ("\n\032\032pre-");
969 puts_unfiltered (annotation_suffix);
970 puts_unfiltered ("\n");
973 /* Don't use fancy stuff if not talking to stdin. */
974 if (deprecated_readline_hook && input_from_terminal_p ())
976 rl = (*deprecated_readline_hook) (local_prompt);
978 else if (command_editing_p && input_from_terminal_p ())
980 rl = gdb_readline_wrapper (local_prompt);
984 rl = gdb_readline (local_prompt);
987 if (annotation_level > 1 && instream == stdin)
989 puts_unfiltered ("\n\032\032post-");
990 puts_unfiltered (annotation_suffix);
991 puts_unfiltered ("\n");
994 if (!rl || rl == (char *) EOF)
999 if (strlen (rl) + 1 + (p - linebuffer) > linelength)
1001 linelength = strlen (rl) + 1 + (p - linebuffer);
1002 nline = (char *) xrealloc (linebuffer, linelength);
1003 p += nline - linebuffer;
1007 /* Copy line. Don't copy null at end. (Leaves line alone
1008 if this was just a newline). */
1012 xfree (rl); /* Allocated in readline. */
1014 if (p == linebuffer || *(p - 1) != '\\')
1017 p--; /* Put on top of '\'. */
1018 local_prompt = (char *) 0;
1023 signal (STOP_SIGNAL, SIG_DFL);
1030 #define SERVER_COMMAND_LENGTH 7
1032 (p - linebuffer > SERVER_COMMAND_LENGTH)
1033 && strncmp (linebuffer, "server ", SERVER_COMMAND_LENGTH) == 0;
1036 /* Note that we don't set `line'. Between this and the check in
1037 dont_repeat, this insures that repeating will still do the
1040 return linebuffer + SERVER_COMMAND_LENGTH;
1043 /* Do history expansion if that is wished. */
1044 if (history_expansion_p && instream == stdin
1045 && ISATTY (instream))
1047 char *history_value;
1050 *p = '\0'; /* Insert null now. */
1051 expanded = history_expand (linebuffer, &history_value);
1054 /* Print the changes. */
1055 printf_unfiltered ("%s\n", history_value);
1057 /* If there was an error, call this function again. */
1060 xfree (history_value);
1061 return command_line_input (prompt_arg, repeat,
1064 if (strlen (history_value) > linelength)
1066 linelength = strlen (history_value) + 1;
1067 linebuffer = (char *) xrealloc (linebuffer, linelength);
1069 strcpy (linebuffer, history_value);
1070 p = linebuffer + strlen (linebuffer);
1072 xfree (history_value);
1075 /* If we just got an empty line, and that is supposed to repeat the
1076 previous command, return the value in the global buffer. */
1077 if (repeat && p == linebuffer)
1078 return saved_command_line;
1079 for (p1 = linebuffer; *p1 == ' ' || *p1 == '\t'; p1++);
1081 return saved_command_line;
1085 /* Add line to history if appropriate. */
1086 if (instream == stdin
1087 && ISATTY (stdin) && *linebuffer)
1088 add_history (linebuffer);
1090 /* Note: lines consisting solely of comments are added to the command
1091 history. This is useful when you type a command, and then
1092 realize you don't want to execute it quite yet. You can comment
1093 out the command and then later fetch it from the value history
1094 and remove the '#'. The kill ring is probably better, but some
1095 people are in the habit of commenting things out. */
1097 *p1 = '\0'; /* Found a comment. */
1099 /* Save into global buffer if appropriate. */
1102 if (linelength > saved_command_line_size)
1104 saved_command_line = xrealloc (saved_command_line, linelength);
1105 saved_command_line_size = linelength;
1107 strcpy (saved_command_line, linebuffer);
1108 return saved_command_line;
1114 /* Print the GDB banner. */
1116 print_gdb_version (struct ui_file *stream)
1118 /* From GNU coding standards, first line is meant to be easy for a
1119 program to parse, and is just canonical program name and version
1120 number, which starts after last space. */
1122 fprintf_filtered (stream, "GNU gdb %s%s\n", PKGVERSION, version);
1124 /* Second line is a copyright notice. */
1126 fprintf_filtered (stream,
1127 "Copyright (C) 2013 Free Software Foundation, Inc.\n");
1129 /* Following the copyright is a brief statement that the program is
1130 free software, that users are free to copy and change it on
1131 certain conditions, that it is covered by the GNU GPL, and that
1132 there is no warranty. */
1134 fprintf_filtered (stream, "\
1135 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\
1136 \nThis is free software: you are free to change and redistribute it.\n\
1137 There is NO WARRANTY, to the extent permitted by law. Type \"show copying\"\n\
1138 and \"show warranty\" for details.\n");
1140 /* After the required info we print the configuration information. */
1142 fprintf_filtered (stream, "This GDB was configured as \"");
1143 if (strcmp (host_name, target_name) != 0)
1145 fprintf_filtered (stream, "--host=%s --target=%s",
1146 host_name, target_name);
1150 fprintf_filtered (stream, "%s", host_name);
1152 fprintf_filtered (stream, "\".\n\
1153 Type \"show configuration\" for configuration details.");
1155 if (REPORT_BUGS_TO[0])
1157 fprintf_filtered (stream,
1158 _("\nFor bug reporting instructions, please see:\n"));
1159 fprintf_filtered (stream, "%s.", REPORT_BUGS_TO);
1163 /* Print the details of GDB build-time configuration. */
1165 print_gdb_configuration (struct ui_file *stream)
1167 fprintf_filtered (stream, _("\
1168 This GDB was configured as follows:\n\
1169 configure --host=%s --target=%s\n\
1170 "), host_name, target_name);
1171 fprintf_filtered (stream, _("\
1172 --with-auto-load-dir=%s\n\
1173 --with-auto-load-safe-path=%s\n\
1174 "), AUTO_LOAD_DIR, AUTO_LOAD_SAFE_PATH);
1176 fprintf_filtered (stream, _("\
1180 fprintf_filtered (stream, _("\
1185 fprintf_filtered (stream, _("\
1186 --with-gdb-datadir=%s%s\n\
1187 "), GDB_DATADIR, GDB_DATADIR_RELOCATABLE ? " (relocatable)" : "");
1189 fprintf_filtered (stream, _("\
1190 --with-iconv-bin=%s%s\n\
1191 "), ICONV_BIN, ICONV_BIN_RELOCATABLE ? " (relocatable)" : "");
1193 if (JIT_READER_DIR[0])
1194 fprintf_filtered (stream, _("\
1195 --with-jit-reader-dir=%s%s\n\
1196 "), JIT_READER_DIR, JIT_READER_DIR_RELOCATABLE ? " (relocatable)" : "");
1197 #if HAVE_LIBUNWIND_IA64_H
1198 fprintf_filtered (stream, _("\
1199 --with-libunwind-ia64\n\
1202 fprintf_filtered (stream, _("\
1203 --without-libunwind-ia64\n\
1207 fprintf_filtered (stream, _("\
1211 fprintf_filtered (stream, _("\
1215 #ifdef WITH_PYTHON_PATH
1216 fprintf_filtered (stream, _("\
1217 --with-python=%s%s\n\
1218 "), WITH_PYTHON_PATH, PYTHON_PATH_RELOCATABLE ? " (relocatable)" : "");
1221 fprintf_filtered (stream, _("\
1222 --with-relocated-sources=%s\n\
1226 fprintf_filtered (stream, _("\
1227 --with-separate-debug-dir=%s%s\n\
1228 "), DEBUGDIR, DEBUGDIR_RELOCATABLE ? " (relocatable)" : "");
1229 if (TARGET_SYSTEM_ROOT[0])
1230 fprintf_filtered (stream, _("\
1231 --with-sysroot=%s%s\n\
1232 "), TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT_RELOCATABLE ? " (relocatable)" : "");
1233 if (SYSTEM_GDBINIT[0])
1234 fprintf_filtered (stream, _("\
1235 --with-system-gdbinit=%s%s\n\
1236 "), SYSTEM_GDBINIT, SYSTEM_GDBINIT_RELOCATABLE ? " (relocatable)" : "");
1238 fprintf_filtered (stream, _("\
1242 fprintf_filtered (stream, _("\
1246 #if HAVE_LIBBABELTRACE
1247 fprintf_filtered (stream, _("\
1248 --with-babeltrace\n\
1251 fprintf_filtered (stream, _("\
1252 --without-babeltrace\n\
1258 /* The current top level prompt, settable with "set prompt", and/or
1259 with the python `gdb.prompt_hook' hook. */
1260 static char *top_prompt;
1262 /* Access method for the GDB prompt string. */
1270 /* Set method for the GDB prompt string. */
1273 set_prompt (const char *s)
1275 char *p = xstrdup (s);
1288 /* Callback for iterate_over_inferiors. Kills or detaches the given
1289 inferior, depending on how we originally gained control of it. */
1292 kill_or_detach (struct inferior *inf, void *args)
1294 struct qt_args *qt = args;
1295 struct thread_info *thread;
1300 thread = any_thread_of_process (inf->pid);
1303 switch_to_thread (thread->ptid);
1305 /* Leave core files alone. */
1306 if (target_has_execution)
1308 if (inf->attach_flag)
1309 target_detach (qt->args, qt->from_tty);
1318 /* Callback for iterate_over_inferiors. Prints info about what GDB
1319 will do to each inferior on a "quit". ARG points to a struct
1320 ui_out where output is to be collected. */
1323 print_inferior_quit_action (struct inferior *inf, void *arg)
1325 struct ui_file *stb = arg;
1330 if (inf->attach_flag)
1331 fprintf_filtered (stb,
1332 _("\tInferior %d [%s] will be detached.\n"), inf->num,
1333 target_pid_to_str (pid_to_ptid (inf->pid)));
1335 fprintf_filtered (stb,
1336 _("\tInferior %d [%s] will be killed.\n"), inf->num,
1337 target_pid_to_str (pid_to_ptid (inf->pid)));
1342 /* If necessary, make the user confirm that we should quit. Return
1343 non-zero if we should quit, zero if we shouldn't. */
1348 struct ui_file *stb;
1349 struct cleanup *old_chain;
1353 /* Don't even ask if we're only debugging a core file inferior. */
1354 if (!have_live_inferiors ())
1357 /* Build the query string as a single string. */
1358 stb = mem_fileopen ();
1359 old_chain = make_cleanup_ui_file_delete (stb);
1361 /* This is something of a hack. But there's no reliable way to see
1362 if a GUI is running. The `use_windows' variable doesn't cut
1364 if (deprecated_init_ui_hook)
1365 fprintf_filtered (stb, _("A debugging session is active.\n"
1366 "Do you still want to close the debugger?"));
1369 fprintf_filtered (stb, _("A debugging session is active.\n\n"));
1370 iterate_over_inferiors (print_inferior_quit_action, stb);
1371 fprintf_filtered (stb, _("\nQuit anyway? "));
1374 str = ui_file_xstrdup (stb, NULL);
1375 make_cleanup (xfree, str);
1377 qr = query ("%s", str);
1378 do_cleanups (old_chain);
1382 /* Quit without asking for confirmation. */
1385 quit_force (char *args, int from_tty)
1389 volatile struct gdb_exception ex;
1391 /* An optional expression may be used to cause gdb to terminate with the
1392 value of that expression. */
1395 struct value *val = parse_and_eval (args);
1397 exit_code = (int) value_as_long (val);
1399 else if (return_child_result)
1400 exit_code = return_child_result_value;
1403 qt.from_tty = from_tty;
1405 /* Wrappers to make the code below a bit more readable. */
1407 TRY_CATCH (ex, RETURN_MASK_ALL)
1409 #define DO_PRINT_EX \
1410 if (ex.reason < 0) \
1411 exception_print (gdb_stderr, ex)
1413 /* We want to handle any quit errors and exit regardless. */
1415 /* Get out of tfind mode, and kill or detach all inferiors. */
1418 disconnect_tracing ();
1419 iterate_over_inferiors (kill_or_detach, &qt);
1423 /* Give all pushed targets a chance to do minimal cleanup, and pop
1431 /* Save the history information if it is appropriate to do so. */
1434 if (write_history_p && history_filename)
1435 write_history (history_filename);
1439 /* Do any final cleanups before exiting. */
1442 do_final_cleanups (all_cleanups ());
1449 /* Returns whether GDB is running on a terminal and input is
1450 currently coming from that terminal. */
1453 input_from_terminal_p (void)
1458 if (gdb_has_a_terminal () && instream == stdin)
1461 /* If INSTREAM is unset, and we are not in a user command, we
1462 must be in Insight. That's like having a terminal, for our
1464 if (instream == NULL && !in_user_command)
1471 dont_repeat_command (char *ignored, int from_tty)
1473 /* Can't call dont_repeat here because we're not necessarily reading
1475 *saved_command_line = 0;
1478 /* Functions to manipulate command line editing control variables. */
1480 /* Number of commands to print in each call to show_commands. */
1481 #define Hist_print 10
1483 show_commands (char *args, int from_tty)
1485 /* Index for history commands. Relative to history_base. */
1488 /* Number of the history entry which we are planning to display next.
1489 Relative to history_base. */
1492 /* Print out some of the commands from the command history. */
1496 if (args[0] == '+' && args[1] == '\0')
1497 /* "info editing +" should print from the stored position. */
1500 /* "info editing <exp>" should print around command number <exp>. */
1501 num = (parse_and_eval_long (args) - history_base) - Hist_print / 2;
1503 /* "show commands" means print the last Hist_print commands. */
1506 num = history_length - Hist_print;
1512 /* If there are at least Hist_print commands, we want to display the last
1513 Hist_print rather than, say, the last 6. */
1514 if (history_length - num < Hist_print)
1516 num = history_length - Hist_print;
1522 offset < num + Hist_print && offset < history_length;
1525 printf_filtered ("%5d %s\n", history_base + offset,
1526 (history_get (history_base + offset))->line);
1529 /* The next command we want to display is the next one that we haven't
1533 /* If the user repeats this command with return, it should do what
1534 "show commands +" does. This is unnecessary if arg is null,
1535 because "show commands +" is not useful after "show commands". */
1536 if (from_tty && args)
1543 /* Called by do_setshow_command. */
1545 set_history_size_command (char *args, int from_tty, struct cmd_list_element *c)
1547 /* Readline's history interface works with 'int', so it can only
1548 handle history sizes up to INT_MAX. The command itself is
1549 uinteger, so UINT_MAX means "unlimited", but we only get that if
1550 the user does "set history size 0" -- "set history size <UINT_MAX>"
1551 throws out-of-range. */
1552 if (history_size_setshow_var > INT_MAX
1553 && history_size_setshow_var != UINT_MAX)
1555 unsigned int new_value = history_size_setshow_var;
1557 /* Restore previous value before throwing. */
1558 if (history_is_stifled ())
1559 history_size_setshow_var = history_max_entries;
1561 history_size_setshow_var = UINT_MAX;
1563 error (_("integer %u out of range"), new_value);
1566 /* Commit the new value to readline's history. */
1567 if (history_size_setshow_var == UINT_MAX)
1568 unstifle_history ();
1570 stifle_history (history_size_setshow_var);
1574 set_history (char *args, int from_tty)
1576 printf_unfiltered (_("\"set history\" must be followed "
1577 "by the name of a history subcommand.\n"));
1578 help_list (sethistlist, "set history ", -1, gdb_stdout);
1582 show_history (char *args, int from_tty)
1584 cmd_show_list (showhistlist, from_tty, "");
1587 int info_verbose = 0; /* Default verbose msgs off. */
1589 /* Called by do_setshow_command. An elaborate joke. */
1591 set_verbose (char *args, int from_tty, struct cmd_list_element *c)
1593 const char *cmdname = "verbose";
1594 struct cmd_list_element *showcmd;
1596 showcmd = lookup_cmd_1 (&cmdname, showlist, NULL, 1);
1597 gdb_assert (showcmd != NULL && showcmd != CMD_LIST_AMBIGUOUS);
1601 c->doc = "Set verbose printing of informational messages.";
1602 showcmd->doc = "Show verbose printing of informational messages.";
1606 c->doc = "Set verbosity.";
1607 showcmd->doc = "Show verbosity.";
1611 /* Init the history buffer. Note that we are called after the init file(s)
1612 have been read so that the user can change the history file via his
1613 .gdbinit file (for instance). The GDBHISTFILE environment variable
1614 overrides all of this. */
1621 tmpenv = getenv ("HISTSIZE");
1626 var = atoi (tmpenv);
1629 /* Prefer ending up with no history rather than overflowing
1630 readline's history interface, which uses signed 'int'
1635 history_size_setshow_var = var;
1637 /* If the init file hasn't set a size yet, pick the default. */
1638 else if (history_size_setshow_var == 0)
1639 history_size_setshow_var = 256;
1641 /* Note that unlike "set history size 0", "HISTSIZE=0" really sets
1642 the history size to 0... */
1643 stifle_history (history_size_setshow_var);
1645 tmpenv = getenv ("GDBHISTFILE");
1647 history_filename = xstrdup (tmpenv);
1648 else if (!history_filename)
1650 /* We include the current directory so that if the user changes
1651 directories the file written will be the same as the one
1654 /* No leading dots in file names are allowed on MSDOS. */
1655 history_filename = concat (current_directory, "/_gdb_history",
1658 history_filename = concat (current_directory, "/.gdb_history",
1662 read_history (history_filename);
1666 show_prompt (struct ui_file *file, int from_tty,
1667 struct cmd_list_element *c, const char *value)
1669 fprintf_filtered (file, _("Gdb's prompt is \"%s\".\n"), value);
1673 show_async_command_editing_p (struct ui_file *file, int from_tty,
1674 struct cmd_list_element *c, const char *value)
1676 fprintf_filtered (file, _("Editing of command lines as "
1677 "they are typed is %s.\n"),
1682 show_annotation_level (struct ui_file *file, int from_tty,
1683 struct cmd_list_element *c, const char *value)
1685 fprintf_filtered (file, _("Annotation_level is %s.\n"), value);
1689 show_exec_done_display_p (struct ui_file *file, int from_tty,
1690 struct cmd_list_element *c, const char *value)
1692 fprintf_filtered (file, _("Notification of completion for "
1693 "asynchronous execution commands is %s.\n"),
1697 /* "set" command for the gdb_datadir configuration variable. */
1700 set_gdb_datadir (char *args, int from_tty, struct cmd_list_element *c)
1702 observer_notify_gdb_datadir_changed ();
1708 /* Initialize the prompt to a simple "(gdb) " prompt or to whatever
1709 the DEFAULT_PROMPT is. */
1710 set_prompt (DEFAULT_PROMPT);
1712 /* Set things up for annotation_level > 1, if the user ever decides
1714 async_annotation_suffix = "prompt";
1716 /* Set the important stuff up for command editing. */
1717 command_editing_p = 1;
1718 history_expansion_p = 0;
1719 write_history_p = 0;
1721 /* Setup important stuff for command line editing. */
1722 rl_completion_word_break_hook = gdb_completion_word_break_characters;
1723 rl_completion_entry_function = readline_line_completion_function;
1724 rl_completer_word_break_characters = default_word_break_characters ();
1725 rl_completer_quote_characters = get_gdb_completer_quote_characters ();
1726 rl_readline_name = "gdb";
1727 rl_terminal_name = getenv ("TERM");
1729 /* The name for this defun comes from Bash, where it originated.
1730 15 is Control-o, the same binding this function has in Bash. */
1731 rl_add_defun ("operate-and-get-next", gdb_rl_operate_and_get_next, 15);
1733 add_setshow_string_cmd ("prompt", class_support,
1735 _("Set gdb's prompt"),
1736 _("Show gdb's prompt"),
1739 &setlist, &showlist);
1741 add_com ("dont-repeat", class_support, dont_repeat_command, _("\
1742 Don't repeat this command.\nPrimarily \
1743 used inside of user-defined commands that should not be repeated when\n\
1746 add_setshow_boolean_cmd ("editing", class_support,
1747 &async_command_editing_p, _("\
1748 Set editing of command lines as they are typed."), _("\
1749 Show editing of command lines as they are typed."), _("\
1750 Use \"on\" to enable the editing, and \"off\" to disable it.\n\
1751 Without an argument, command line editing is enabled. To edit, use\n\
1752 EMACS-like or VI-like commands like control-P or ESC."),
1753 set_async_editing_command,
1754 show_async_command_editing_p,
1755 &setlist, &showlist);
1757 add_setshow_boolean_cmd ("save", no_class, &write_history_p, _("\
1758 Set saving of the history record on exit."), _("\
1759 Show saving of the history record on exit."), _("\
1760 Use \"on\" to enable the saving, and \"off\" to disable it.\n\
1761 Without an argument, saving is enabled."),
1763 show_write_history_p,
1764 &sethistlist, &showhistlist);
1766 add_setshow_uinteger_cmd ("size", no_class, &history_size_setshow_var, _("\
1767 Set the size of the command history,"), _("\
1768 Show the size of the command history,"), _("\
1769 ie. the number of previous commands to keep a record of.\n\
1770 If set to \"unlimited\", the number of commands kept in the history\n\
1771 list is unlimited. This defaults to the value of the environment\n\
1772 variable \"HISTSIZE\", or to 256 if this variable is not set."),
1773 set_history_size_command,
1775 &sethistlist, &showhistlist);
1777 add_setshow_filename_cmd ("filename", no_class, &history_filename, _("\
1778 Set the filename in which to record the command history"), _("\
1779 Show the filename in which to record the command history"), _("\
1780 (the list of previous commands of which a record is kept)."),
1782 show_history_filename,
1783 &sethistlist, &showhistlist);
1785 add_setshow_boolean_cmd ("confirm", class_support, &confirm, _("\
1786 Set whether to confirm potentially dangerous operations."), _("\
1787 Show whether to confirm potentially dangerous operations."), NULL,
1790 &setlist, &showlist);
1792 add_setshow_zinteger_cmd ("annotate", class_obscure, &annotation_level, _("\
1793 Set annotation_level."), _("\
1794 Show annotation_level."), _("\
1795 0 == normal; 1 == fullname (for use when running under emacs)\n\
1796 2 == output annotated suitably for use by programs that control GDB."),
1798 show_annotation_level,
1799 &setlist, &showlist);
1801 add_setshow_boolean_cmd ("exec-done-display", class_support,
1802 &exec_done_display_p, _("\
1803 Set notification of completion for asynchronous execution commands."), _("\
1804 Show notification of completion for asynchronous execution commands."), _("\
1805 Use \"on\" to enable the notification, and \"off\" to disable it."),
1807 show_exec_done_display_p,
1808 &setlist, &showlist);
1810 add_setshow_filename_cmd ("data-directory", class_maintenance,
1811 &gdb_datadir, _("Set GDB's data directory."),
1812 _("Show GDB's data directory."),
1814 When set, GDB uses the specified path to search for data files."),
1815 set_gdb_datadir, NULL,
1821 gdb_init (char *argv0)
1823 if (pre_init_ui_hook)
1824 pre_init_ui_hook ();
1826 /* Run the init function of each source file. */
1829 /* Make sure we return to the original directory upon exit, come
1830 what may, since the OS doesn't do that for us. */
1831 make_final_cleanup (do_chdir_cleanup, xstrdup (current_directory));
1834 init_cmd_lists (); /* This needs to be done first. */
1835 initialize_targets (); /* Setup target_terminal macros for utils.c. */
1836 initialize_utils (); /* Make errors and warnings possible. */
1838 /* Here is where we call all the _initialize_foo routines. */
1839 initialize_all_files ();
1841 /* This creates the current_program_space. Do this after all the
1842 _initialize_foo routines have had a chance to install their
1843 per-sspace data keys. Also do this before
1844 initialize_current_architecture is called, because it accesses
1845 exec_bfd of the current program space. */
1846 initialize_progspace ();
1847 initialize_inferiors ();
1848 initialize_current_architecture ();
1850 initialize_event_loop ();
1851 init_main (); /* But that omits this file! Do it now. */
1853 initialize_stdin_serial ();
1855 async_init_signals ();
1857 /* We need a default language for parsing expressions, so simple
1858 things like "set width 0" won't fail if no language is explicitly
1859 set in a config file or implicitly set by reading an executable
1861 set_language (language_c);
1862 expected_language = current_language; /* Don't warn about the change. */
1864 /* Allow another UI to initialize. If the UI fails to initialize,
1865 and it wants GDB to revert to the CLI, it should clear
1866 deprecated_init_ui_hook. */
1867 if (deprecated_init_ui_hook)
1868 deprecated_init_ui_hook (argv0);
1871 /* Python initialization can require various commands to be
1872 installed. For example "info pretty-printer" needs the "info"
1873 prefix to be installed. Keep things simple and just do final
1874 python initialization here. */
1875 finish_python_initialization ();