3 Copyright 2000, 2001, 2002, 2003, 2004, 2005 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 2 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, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
23 #include "readline/readline.h"
24 #include "readline/tilde.h"
25 #include "completer.h"
26 #include "target.h" /* For baud_rate, remote_debug and remote_timeout */
27 #include "gdb_wait.h" /* For shell escape implementation */
28 #include "gdb_regex.h" /* Used by apropos_command */
29 #include "gdb_string.h"
30 #include "gdb_vfork.h"
32 #include "expression.h"
36 #include "filenames.h" /* for DOSish file names */
44 #include "cli/cli-decode.h"
45 #include "cli/cli-script.h"
46 #include "cli/cli-setshow.h"
47 #include "cli/cli-cmds.h"
50 #include "tui/tui.h" /* For tui_active et.al. */
53 #ifndef GDBINIT_FILENAME
54 #define GDBINIT_FILENAME ".gdbinit"
57 /* Prototypes for local command functions */
59 static void complete_command (char *, int);
61 static void echo_command (char *, int);
63 static void pwd_command (char *, int);
65 static void show_version (char *, int);
67 static void help_command (char *, int);
69 static void show_command (char *, int);
71 static void info_command (char *, int);
73 static void show_debug (char *, int);
75 static void set_debug (char *, int);
77 static void show_user (char *, int);
79 static void make_command (char *, int);
81 static void shell_escape (char *, int);
83 static void edit_command (char *, int);
85 static void list_command (char *, int);
87 void apropos_command (char *, int);
89 /* Prototypes for local utility functions */
91 static void ambiguous_line_spec (struct symtabs_and_lines *);
93 /* Limit the call depth of user-defined commands */
94 int max_user_call_depth;
96 /* Define all cmd_list_elements. */
98 /* Chain containing all defined commands. */
100 struct cmd_list_element *cmdlist;
102 /* Chain containing all defined info subcommands. */
104 struct cmd_list_element *infolist;
106 /* Chain containing all defined enable subcommands. */
108 struct cmd_list_element *enablelist;
110 /* Chain containing all defined disable subcommands. */
112 struct cmd_list_element *disablelist;
114 /* Chain containing all defined toggle subcommands. */
116 struct cmd_list_element *togglelist;
118 /* Chain containing all defined stop subcommands. */
120 struct cmd_list_element *stoplist;
122 /* Chain containing all defined delete subcommands. */
124 struct cmd_list_element *deletelist;
126 /* Chain containing all defined "enable breakpoint" subcommands. */
128 struct cmd_list_element *enablebreaklist;
130 /* Chain containing all defined set subcommands */
132 struct cmd_list_element *setlist;
134 /* Chain containing all defined unset subcommands */
136 struct cmd_list_element *unsetlist;
138 /* Chain containing all defined show subcommands. */
140 struct cmd_list_element *showlist;
142 /* Chain containing all defined \"set history\". */
144 struct cmd_list_element *sethistlist;
146 /* Chain containing all defined \"show history\". */
148 struct cmd_list_element *showhistlist;
150 /* Chain containing all defined \"unset history\". */
152 struct cmd_list_element *unsethistlist;
154 /* Chain containing all defined maintenance subcommands. */
156 struct cmd_list_element *maintenancelist;
158 /* Chain containing all defined "maintenance info" subcommands. */
160 struct cmd_list_element *maintenanceinfolist;
162 /* Chain containing all defined "maintenance print" subcommands. */
164 struct cmd_list_element *maintenanceprintlist;
166 struct cmd_list_element *setprintlist;
168 struct cmd_list_element *showprintlist;
170 struct cmd_list_element *setdebuglist;
172 struct cmd_list_element *showdebuglist;
174 struct cmd_list_element *setchecklist;
176 struct cmd_list_element *showchecklist;
178 /* Utility used everywhere when at least one argument is needed and
182 error_no_arg (char *why)
184 error (_("Argument required (%s)."), why);
187 /* The "info" command is defined as a prefix, with allow_unknown = 0.
188 Therefore, its own definition is called only for "info" with no args. */
191 info_command (char *arg, int from_tty)
193 printf_unfiltered (_("\"info\" must be followed by the name of an info command.\n"));
194 help_list (infolist, "info ", -1, gdb_stdout);
197 /* The "show" command with no arguments shows all the settings. */
200 show_command (char *arg, int from_tty)
202 cmd_show_list (showlist, from_tty, "");
205 /* Provide documentation on command or list given by COMMAND. FROM_TTY
209 help_command (char *command, int from_tty)
211 help_cmd (command, gdb_stdout);
214 /* String compare function for qsort. */
216 compare_strings (const void *arg1, const void *arg2)
218 const char **s1 = (const char **) arg1;
219 const char **s2 = (const char **) arg2;
220 return strcmp (*s1, *s2);
223 /* The "complete" command is used by Emacs to implement completion. */
226 complete_command (char *arg, int from_tty)
230 char **completions, *point, *arg_prefix;
236 argpoint = strlen (arg);
238 /* complete_line assumes that its first argument is somewhere within,
239 and except for filenames at the beginning of, the word to be completed.
240 The following crude imitation of readline's word-breaking tries to
242 point = arg + argpoint;
245 if (strchr (rl_completer_word_break_characters, point[-1]) != 0)
250 arg_prefix = alloca (point - arg + 1);
251 memcpy (arg_prefix, arg, point - arg);
252 arg_prefix[point - arg] = 0;
254 completions = complete_line (point, arg, argpoint);
260 for (size = 0; completions[size]; ++size)
262 qsort (completions, size, sizeof (char *), compare_strings);
264 /* We do extra processing here since we only want to print each
270 printf_unfiltered ("%s%s\n", arg_prefix, completions[item]);
271 next_item = item + 1;
272 while (next_item < size
273 && ! strcmp (completions[item], completions[next_item]))
275 xfree (completions[next_item]);
279 xfree (completions[item]);
288 is_complete_command (struct cmd_list_element *c)
290 return cmd_cfunc_eq (c, complete_command);
294 show_version (char *args, int from_tty)
297 print_gdb_version (gdb_stdout);
298 printf_filtered ("\n");
302 /* Handle the quit command. */
305 quit_command (char *args, int from_tty)
307 if (!quit_confirm ())
308 error (_("Not confirmed."));
309 quit_force (args, from_tty);
313 pwd_command (char *args, int from_tty)
316 error (_("The \"pwd\" command does not take an argument: %s"), args);
317 getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
319 if (strcmp (gdb_dirbuf, current_directory) != 0)
320 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
321 current_directory, gdb_dirbuf);
323 printf_unfiltered (_("Working directory %s.\n"), current_directory);
327 cd_command (char *dir, int from_tty)
330 /* Found something other than leading repetitions of "/..". */
334 /* If the new directory is absolute, repeat is a no-op; if relative,
335 repeat might be useful but is more likely to be a mistake. */
339 error_no_arg (_("new working directory"));
341 dir = tilde_expand (dir);
342 make_cleanup (xfree, dir);
345 perror_with_name (dir);
347 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
348 /* There's too much mess with DOSish names like "d:", "d:.",
349 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
350 simply get the canonicalized name of the current directory. */
351 dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
355 if (IS_DIR_SEPARATOR (dir[len - 1]))
357 /* Remove the trailing slash unless this is a root directory
358 (including a drive letter on non-Unix systems). */
359 if (!(len == 1) /* "/" */
360 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
361 && !(len == 3 && dir[1] == ':') /* "d:/" */
367 dir = savestring (dir, len);
368 if (IS_ABSOLUTE_PATH (dir))
369 current_directory = dir;
372 if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1]))
373 current_directory = concat (current_directory, dir, NULL);
375 current_directory = concat (current_directory, SLASH_STRING, dir, NULL);
379 /* Now simplify any occurrences of `.' and `..' in the pathname. */
382 for (p = current_directory; *p;)
384 if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.'
385 && (p[2] == 0 || IS_DIR_SEPARATOR (p[2])))
387 else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.'
388 && (p[3] == 0 || IS_DIR_SEPARATOR (p[3])))
392 /* Search backwards for the directory just before the "/.."
393 and obliterate it and the "/..". */
395 while (q != current_directory && !IS_DIR_SEPARATOR (q[-1]))
398 if (q == current_directory)
399 /* current_directory is
400 a relative pathname ("can't happen"--leave it alone). */
404 strcpy (q - 1, p + 3);
409 /* We are dealing with leading repetitions of "/..", for example
410 "/../..", which is the Mach super-root. */
420 forget_cached_source_info ();
423 pwd_command ((char *) 0, 1);
427 source_command (char *args, int from_tty)
430 struct cleanup *old_cleanups;
435 error (_("source command requires pathname of file to source."));
438 file = tilde_expand (file);
439 old_cleanups = make_cleanup (xfree, file);
441 stream = fopen (file, FOPEN_RT);
445 perror_with_name (file);
450 script_from_file (stream, file);
452 do_cleanups (old_cleanups);
456 echo_command (char *text, int from_tty)
462 while ((c = *p++) != '\0')
466 /* \ at end of argument is used after spaces
467 so they won't be lost. */
471 c = parse_escape (&p);
473 printf_filtered ("%c", c);
476 printf_filtered ("%c", c);
479 /* Force this output to appear now. */
481 gdb_flush (gdb_stdout);
485 shell_escape (char *arg, int from_tty)
487 #if defined(CANT_FORK) || \
488 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
489 /* If ARG is NULL, they want an inferior shell, but `system' just
490 reports if the shell is available when passed a NULL arg. */
491 int rc = system (arg ? arg : "");
494 arg = "inferior shell";
498 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg,
499 safe_strerror (errno));
500 gdb_flush (gdb_stderr);
504 fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc);
505 gdb_flush (gdb_stderr);
508 /* Make sure to return to the directory GDB thinks it is, in case the
509 shell command we just ran changed it. */
510 chdir (current_directory);
512 #else /* Can fork. */
515 if ((pid = vfork ()) == 0)
517 char *p, *user_shell;
519 if ((user_shell = (char *) getenv ("SHELL")) == NULL)
520 user_shell = "/bin/sh";
522 /* Get the name of the shell for arg0 */
523 if ((p = strrchr (user_shell, '/')) == NULL)
526 p++; /* Get past '/' */
529 execl (user_shell, p, (char *) 0);
531 execl (user_shell, p, "-c", arg, (char *) 0);
533 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell,
534 safe_strerror (errno));
535 gdb_flush (gdb_stderr);
540 while ((rc = wait (&status)) != pid && rc != -1)
543 error (_("Fork failed"));
544 #endif /* Can fork. */
548 edit_command (char *arg, int from_tty)
550 struct symtabs_and_lines sals;
551 struct symtab_and_line sal;
559 /* Pull in the current default source line if necessary */
562 set_default_source_symtab_and_line ();
563 sal = get_current_source_symtab_and_line ();
566 /* bare "edit" edits file with present line. */
571 error (_("No default source file yet."));
572 sal.line += get_lines_to_list () / 2;
577 /* Now should only be one argument -- decode it in SAL */
580 sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
582 if (! sals.nelts) return; /* C++ */
583 if (sals.nelts > 1) {
584 ambiguous_line_spec (&sals);
593 error (_("Junk at end of line specification."));
595 /* if line was specified by address,
596 first print exactly which line, and which file.
597 In this case, sal.symtab == 0 means address is outside
598 of all known source files, not that user failed to give a filename. */
602 /* FIXME-32x64--assumes sal.pc fits in long. */
603 error (_("No source file for address %s."),
604 hex_string ((unsigned long) sal.pc));
605 sym = find_pc_function (sal.pc);
608 deprecated_print_address_numeric (sal.pc, 1, gdb_stdout);
609 printf_filtered (" is in ");
610 fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout);
611 printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
615 deprecated_print_address_numeric (sal.pc, 1, gdb_stdout);
616 printf_filtered (" is at %s:%d.\n",
617 sal.symtab->filename, sal.line);
621 /* If what was given does not imply a symtab, it must be an undebuggable
622 symbol which means no source code. */
625 error (_("No line number known for %s."), arg);
628 if ((editor = (char *) getenv ("EDITOR")) == NULL)
631 /* Approximate base-10 log of line to 1 unit for digit count */
632 for(log10=32, m=0x80000000; !(sal.line & m) && log10>0; log10--, m=m>>1);
633 log10 = 1 + (int)((log10 + (0 == ((m-1) & sal.line)))/3.32192809);
635 cmdlen = strlen(editor) + 1
636 + (NULL == sal.symtab->dirname ? 0 : strlen(sal.symtab->dirname) + 1)
637 + (NULL == sal.symtab->filename? 0 : strlen(sal.symtab->filename)+ 1)
641 sprintf(p,"%s +%d %s%s",editor,sal.line,
642 (NULL == sal.symtab->dirname ? "./" :
643 (NULL != sal.symtab->filename && *(sal.symtab->filename) != '/') ?
644 sal.symtab->dirname : ""),
645 (NULL == sal.symtab->filename ? "unknown" : sal.symtab->filename)
647 shell_escape(p, from_tty);
653 list_command (char *arg, int from_tty)
655 struct symtabs_and_lines sals, sals_end;
656 struct symtab_and_line sal, sal_end, cursal;
665 /* Pull in the current default source line if necessary */
666 if (arg == 0 || arg[0] == '+' || arg[0] == '-')
668 set_default_source_symtab_and_line ();
669 cursal = get_current_source_symtab_and_line ();
672 /* "l" or "l +" lists next ten lines. */
674 if (arg == 0 || strcmp (arg, "+") == 0)
676 print_source_lines (cursal.symtab, cursal.line,
677 cursal.line + get_lines_to_list (), 0);
681 /* "l -" lists previous ten lines, the ones before the ten just listed. */
682 if (strcmp (arg, "-") == 0)
684 print_source_lines (cursal.symtab,
685 max (get_first_line_listed () - get_lines_to_list (), 1),
686 get_first_line_listed (), 0);
690 /* Now if there is only one argument, decode it in SAL
692 If there are two arguments, decode them in SAL and SAL_END
693 and clear NO_END; however, if one of the arguments is blank,
694 set DUMMY_BEG or DUMMY_END to record that fact. */
696 if (!have_full_symbols () && !have_partial_symbols ())
697 error (_("No symbol table is loaded. Use the \"file\" command."));
704 sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
710 ambiguous_line_spec (&sals);
719 /* Record whether the BEG arg is all digits. */
721 for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++);
722 linenum_beg = (p == arg1);
724 while (*arg1 == ' ' || *arg1 == '\t')
730 while (*arg1 == ' ' || *arg1 == '\t')
737 sals_end = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
739 sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0, 0);
740 if (sals_end.nelts == 0)
742 if (sals_end.nelts > 1)
744 ambiguous_line_spec (&sals_end);
745 xfree (sals_end.sals);
748 sal_end = sals_end.sals[0];
749 xfree (sals_end.sals);
754 error (_("Junk at end of line specification."));
756 if (!no_end && !dummy_beg && !dummy_end
757 && sal.symtab != sal_end.symtab)
758 error (_("Specified start and end are in different files."));
759 if (dummy_beg && dummy_end)
760 error (_("Two empty args do not say what lines to list."));
762 /* if line was specified by address,
763 first print exactly which line, and which file.
764 In this case, sal.symtab == 0 means address is outside
765 of all known source files, not that user failed to give a filename. */
769 /* FIXME-32x64--assumes sal.pc fits in long. */
770 error (_("No source file for address %s."),
771 hex_string ((unsigned long) sal.pc));
772 sym = find_pc_function (sal.pc);
775 deprecated_print_address_numeric (sal.pc, 1, gdb_stdout);
776 printf_filtered (" is in ");
777 fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout);
778 printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
782 deprecated_print_address_numeric (sal.pc, 1, gdb_stdout);
783 printf_filtered (" is at %s:%d.\n",
784 sal.symtab->filename, sal.line);
788 /* If line was not specified by just a line number,
789 and it does not imply a symtab, it must be an undebuggable symbol
790 which means no source code. */
792 if (!linenum_beg && sal.symtab == 0)
793 error (_("No line number known for %s."), arg);
795 /* If this command is repeated with RET,
796 turn it into the no-arg variant. */
801 if (dummy_beg && sal_end.symtab == 0)
802 error (_("No default source file yet. Do \"help list\"."));
804 print_source_lines (sal_end.symtab,
805 max (sal_end.line - (get_lines_to_list () - 1), 1),
806 sal_end.line + 1, 0);
807 else if (sal.symtab == 0)
808 error (_("No default source file yet. Do \"help list\"."));
811 int first_line = sal.line - get_lines_to_list () / 2;
813 if (first_line < 1) first_line = 1;
815 print_source_lines (sal.symtab,
817 first_line + get_lines_to_list (),
821 print_source_lines (sal.symtab, sal.line,
823 ? sal.line + get_lines_to_list ()
828 /* Dump a specified section of assembly code. With no command line
829 arguments, this command will dump the assembly code for the
830 function surrounding the pc value in the selected frame. With one
831 argument, it will dump the assembly code surrounding that pc value.
832 Two arguments are interpeted as bounds within which to dump
836 disassemble_command (char *arg, int from_tty)
840 CORE_ADDR pc, pc_masked;
849 if (!deprecated_selected_frame)
850 error (_("No frame selected."));
852 pc = get_frame_pc (deprecated_selected_frame);
853 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
854 error (_("No function contains program counter for selected frame."));
856 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
859 /* FIXME: cagney/2004-02-07: This should be an observer. */
860 low = tui_get_low_disassembly_address (low, pc);
862 low += DEPRECATED_FUNCTION_START_OFFSET;
864 else if (!(space_index = (char *) strchr (arg, ' ')))
867 pc = parse_and_eval_address (arg);
868 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
869 error (_("No function contains specified address."));
871 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
874 /* FIXME: cagney/2004-02-07: This should be an observer. */
875 low = tui_get_low_disassembly_address (low, pc);
877 low += DEPRECATED_FUNCTION_START_OFFSET;
883 low = parse_and_eval_address (arg);
884 high = parse_and_eval_address (space_index + 1);
888 if (!tui_is_window_visible (DISASSEM_WIN))
891 printf_filtered ("Dump of assembler code ");
894 printf_filtered ("for function %s:\n", name);
898 printf_filtered ("from ");
899 deprecated_print_address_numeric (low, 1, gdb_stdout);
900 printf_filtered (" to ");
901 deprecated_print_address_numeric (high, 1, gdb_stdout);
902 printf_filtered (":\n");
905 /* Dump the specified range. */
906 gdb_disassembly (uiout, 0, 0, 0, -1, low, high);
908 printf_filtered ("End of assembler dump.\n");
909 gdb_flush (gdb_stdout);
914 tui_show_assembly (low);
920 make_command (char *arg, int from_tty)
928 p = xmalloc (sizeof ("make ") + strlen (arg));
930 strcpy (p + sizeof ("make ") - 1, arg);
933 shell_escape (p, from_tty);
937 show_user (char *args, int from_tty)
939 struct cmd_list_element *c;
940 extern struct cmd_list_element *cmdlist;
944 c = lookup_cmd (&args, cmdlist, "", 0, 1);
945 if (c->class != class_user)
946 error (_("Not a user command."));
947 show_user_1 (c, gdb_stdout);
951 for (c = cmdlist; c; c = c->next)
953 if (c->class == class_user)
954 show_user_1 (c, gdb_stdout);
959 /* Search through names of commands and documentations for a certain
963 apropos_command (char *searchstr, int from_tty)
965 extern struct cmd_list_element *cmdlist; /*This is the main command list*/
967 char *pattern_fastmap;
968 char errorbuffer[512];
969 pattern_fastmap = xcalloc (256, sizeof (char));
970 if (searchstr == NULL)
971 error (_("REGEXP string is empty"));
973 if (regcomp(&pattern,searchstr,REG_ICASE) == 0)
975 pattern.fastmap=pattern_fastmap;
976 re_compile_fastmap(&pattern);
977 apropos_cmd (gdb_stdout,cmdlist,&pattern,"");
981 regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512);
982 error (_("Error in regular expression:%s"),errorbuffer);
984 xfree (pattern_fastmap);
987 /* Print a list of files and line numbers which a user may choose from
988 in order to list a function which was specified ambiguously (as with
989 `list classname::overloadedfuncname', for example). The vector in
990 SALS provides the filenames and line numbers. */
993 ambiguous_line_spec (struct symtabs_and_lines *sals)
997 for (i = 0; i < sals->nelts; ++i)
998 printf_filtered (_("file: \"%s\", line number: %d\n"),
999 sals->sals[i].symtab->filename, sals->sals[i].line);
1003 set_debug (char *arg, int from_tty)
1005 printf_unfiltered (_("\"set debug\" must be followed by the name of a print subcommand.\n"));
1006 help_list (setdebuglist, "set debug ", -1, gdb_stdout);
1010 show_debug (char *args, int from_tty)
1012 cmd_show_list (showdebuglist, from_tty, "");
1016 init_cmd_lists (void)
1018 max_user_call_depth = 1024;
1027 enablebreaklist = NULL;
1032 showhistlist = NULL;
1033 unsethistlist = NULL;
1034 maintenancelist = NULL;
1035 maintenanceinfolist = NULL;
1036 maintenanceprintlist = NULL;
1037 setprintlist = NULL;
1038 showprintlist = NULL;
1039 setchecklist = NULL;
1040 showchecklist = NULL;
1044 show_info_verbose (struct ui_file *file, int from_tty,
1045 struct cmd_list_element *c,
1049 fprintf_filtered (file, _("\
1050 Verbose printing of informational messages is %s.\n"), value);
1052 fprintf_filtered (file, _("Verbosity is %s.\n"), value);
1056 show_history_expansion_p (struct ui_file *file, int from_tty,
1057 struct cmd_list_element *c, const char *value)
1059 fprintf_filtered (file, _("History expansion on command input is %s.\n"),
1064 show_baud_rate (struct ui_file *file, int from_tty,
1065 struct cmd_list_element *c, const char *value)
1067 fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"),
1072 show_remote_debug (struct ui_file *file, int from_tty,
1073 struct cmd_list_element *c, const char *value)
1075 fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"),
1080 show_remote_timeout (struct ui_file *file, int from_tty,
1081 struct cmd_list_element *c, const char *value)
1083 fprintf_filtered (file, _("\
1084 Timeout limit to wait for target to respond is %s.\n"),
1089 show_max_user_call_depth (struct ui_file *file, int from_tty,
1090 struct cmd_list_element *c, const char *value)
1092 fprintf_filtered (file, _("\
1093 The max call depth for user-defined commands is %s.\n"),
1099 init_cli_cmds (void)
1101 struct cmd_list_element *c;
1103 /* Define the classes of commands.
1104 They will appear in the help list in the reverse of this order. */
1106 add_cmd ("internals", class_maintenance, NULL, _("\
1107 Maintenance commands.\n\
1108 Some gdb commands are provided just for use by gdb maintainers.\n\
1109 These commands are subject to frequent change, and may not be as\n\
1110 well documented as user commands."),
1112 add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist);
1113 add_cmd ("aliases", class_alias, NULL, _("Aliases of other commands."), &cmdlist);
1114 add_cmd ("user-defined", class_user, NULL, _("\
1115 User-defined commands.\n\
1116 The commands in this class are those defined by the user.\n\
1117 Use the \"define\" command to define a command."), &cmdlist);
1118 add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist);
1120 add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist);
1121 add_cmd ("files", class_files, NULL, _("Specifying and examining files."),
1123 add_cmd ("breakpoints", class_breakpoint, NULL,
1124 _("Making program stop at certain points."), &cmdlist);
1125 add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist);
1126 add_cmd ("stack", class_stack, NULL, _("\
1127 Examining the stack.\n\
1128 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1129 counting from zero for the innermost (currently executing) frame.\n\n\
1130 At any time gdb identifies one frame as the \"selected\" frame.\n\
1131 Variable lookups are done with respect to the selected frame.\n\
1132 When the program being debugged stops, gdb selects the innermost frame.\n\
1133 The commands below can be used to select other frames by number or address."),
1135 add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist);
1137 /* Define general commands. */
1139 add_com ("pwd", class_files, pwd_command, _("\
1140 Print working directory. This is used for your program as well."));
1141 c = add_cmd ("cd", class_files, cd_command, _("\
1142 Set working directory to DIR for debugger and program being debugged.\n\
1143 The change does not take effect for the program being debugged\n\
1144 until the next time it is started."), &cmdlist);
1145 set_cmd_completer (c, filename_completer);
1147 add_com ("echo", class_support, echo_command, _("\
1148 Print a constant string. Give string as argument.\n\
1149 C escape sequences may be used in the argument.\n\
1150 No newline is added at the end of the argument;\n\
1151 use \"\\n\" if you want a newline to be printed.\n\
1152 Since leading and trailing whitespace are ignored in command arguments,\n\
1153 if you want to print some you must use \"\\\" before leading whitespace\n\
1154 to be printed or after trailing whitespace."));
1155 add_com ("document", class_support, document_command, _("\
1156 Document a user-defined command.\n\
1157 Give command name as argument. Give documentation on following lines.\n\
1158 End with a line of just \"end\"."));
1159 add_com ("define", class_support, define_command, _("\
1160 Define a new command name. Command name is argument.\n\
1161 Definition appears on following lines, one command per line.\n\
1162 End with a line of just \"end\".\n\
1163 Use the \"document\" command to give documentation for the new command.\n\
1164 Commands defined in this way may have up to ten arguments."));
1166 c = add_cmd ("source", class_support, source_command, _("\
1167 Read commands from a file named FILE.\n\
1168 Note that the file \"" GDBINIT_FILENAME "\" is read automatically in this way\n\
1169 when gdb is started."), &cmdlist);
1170 set_cmd_completer (c, filename_completer);
1172 add_com ("quit", class_support, quit_command, _("Exit gdb."));
1173 c = add_com ("help", class_support, help_command,
1174 _("Print list of commands."));
1175 set_cmd_completer (c, command_completer);
1176 add_com_alias ("q", "quit", class_support, 1);
1177 add_com_alias ("h", "help", class_support, 1);
1179 add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\
1180 Set verbosity."), _("\
1181 Show verbosity."), NULL,
1184 &setlist, &showlist);
1186 add_prefix_cmd ("history", class_support, set_history,
1187 _("Generic command for setting command history parameters."),
1188 &sethistlist, "set history ", 0, &setlist);
1189 add_prefix_cmd ("history", class_support, show_history,
1190 _("Generic command for showing command history parameters."),
1191 &showhistlist, "show history ", 0, &showlist);
1193 add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\
1194 Set history expansion on command input."), _("\
1195 Show history expansion on command input."), _("\
1196 Without an argument, history expansion is enabled."),
1198 show_history_expansion_p,
1199 &sethistlist, &showhistlist);
1201 add_prefix_cmd ("info", class_info, info_command, _("\
1202 Generic command for showing things about the program being debugged."),
1203 &infolist, "info ", 0, &cmdlist);
1204 add_com_alias ("i", "info", class_info, 1);
1206 add_com ("complete", class_obscure, complete_command,
1207 _("List the completions for the rest of the line as a command."));
1209 add_prefix_cmd ("show", class_info, show_command,
1210 _("Generic command for showing things about the debugger."),
1211 &showlist, "show ", 0, &cmdlist);
1212 /* Another way to get at the same thing. */
1213 add_info ("set", show_command, _("Show all GDB settings."));
1215 add_cmd ("commands", no_class, show_commands, _("\
1216 Show the history of commands you typed.\n\
1217 You can supply a command number to start with, or a `+' to start after\n\
1218 the previous command number shown."),
1221 add_cmd ("version", no_class, show_version,
1222 _("Show what version of GDB this is."), &showlist);
1224 add_com ("while", class_support, while_command, _("\
1225 Execute nested commands WHILE the conditional expression is non zero.\n\
1226 The conditional expression must follow the word `while' and must in turn be\n\
1227 followed by a new line. The nested commands must be entered one per line,\n\
1228 and should be terminated by the word `end'."));
1230 add_com ("if", class_support, if_command, _("\
1231 Execute nested commands once IF the conditional expression is non zero.\n\
1232 The conditional expression must follow the word `if' and must in turn be\n\
1233 followed by a new line. The nested commands must be entered one per line,\n\
1234 and should be terminated by the word 'else' or `end'. If an else clause\n\
1235 is used, the same rules apply to its nested commands as to the first ones."));
1237 /* If target is open when baud changes, it doesn't take effect until the
1238 next open (I think, not sure). */
1239 add_setshow_zinteger_cmd ("remotebaud", no_class, &baud_rate, _("\
1240 Set baud rate for remote serial I/O."), _("\
1241 Show baud rate for remote serial I/O."), _("\
1242 This value is used to set the speed of the serial port when debugging\n\
1243 using remote targets."),
1246 &setlist, &showlist);
1248 add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\
1249 Set debugging of remote protocol."), _("\
1250 Show debugging of remote protocol."), _("\
1251 When enabled, each packet sent or received with the remote target\n\
1255 &setdebuglist, &showdebuglist);
1257 add_setshow_integer_cmd ("remotetimeout", no_class, &remote_timeout, _("\
1258 Set timeout limit to wait for target to respond."), _("\
1259 Show timeout limit to wait for target to respond."), _("\
1260 This value is used to set the time limit for gdb to wait for a response\n\
1263 show_remote_timeout,
1264 &setlist, &showlist);
1266 add_prefix_cmd ("debug", no_class, set_debug,
1267 _("Generic command for setting gdb debugging flags"),
1268 &setdebuglist, "set debug ", 0, &setlist);
1270 add_prefix_cmd ("debug", no_class, show_debug,
1271 _("Generic command for showing gdb debugging flags"),
1272 &showdebuglist, "show debug ", 0, &showlist);
1274 c = add_com ("shell", class_support, shell_escape, _("\
1275 Execute the rest of the line as a shell command.\n\
1276 With no arguments, run an inferior shell."));
1277 set_cmd_completer (c, filename_completer);
1279 c = add_com ("edit", class_files, edit_command, _("\
1280 Edit specified file or function.\n\
1281 With no argument, edits file containing most recent line listed.\n\
1282 Editing targets can be specified in these ways:\n\
1283 FILE:LINENUM, to edit at that line in that file,\n\
1284 FUNCTION, to edit at the beginning of that function,\n\
1285 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1286 *ADDRESS, to edit at the line containing that address.\n\
1287 Uses EDITOR environment variable contents as editor (or ex as default)."));
1289 c->completer = location_completer;
1291 add_com ("list", class_files, list_command, _("\
1292 List specified function or line.\n\
1293 With no argument, lists ten more lines after or around previous listing.\n\
1294 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1295 One argument specifies a line, and ten lines are listed around that line.\n\
1296 Two arguments with comma between specify starting and ending lines to list.\n\
1297 Lines can be specified in these ways:\n\
1298 LINENUM, to list around that line in current file,\n\
1299 FILE:LINENUM, to list around that line in that file,\n\
1300 FUNCTION, to list around beginning of that function,\n\
1301 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1302 *ADDRESS, to list around the line containing that address.\n\
1303 With two args if one is empty it stands for ten lines away from the other arg."));
1306 add_com_alias ("l", "list", class_files, 1);
1308 add_com_alias ("v", "list", class_files, 1);
1311 add_com_alias ("file", "list", class_files, 1);
1313 c = add_com ("disassemble", class_vars, disassemble_command, _("\
1314 Disassemble a specified section of memory.\n\
1315 Default is the function surrounding the pc of the selected frame.\n\
1316 With a single argument, the function surrounding that address is dumped.\n\
1317 Two arguments are taken as a range of memory to dump."));
1318 set_cmd_completer (c, location_completer);
1320 add_com_alias ("va", "disassemble", class_xdb, 0);
1322 /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would
1323 be a really useful feature. Unfortunately, the below wont do
1324 this. Instead it adds support for the form ``(gdb) ! ls''
1325 (i.e. the space is required). If the ``!'' command below is
1326 added the complains about no ``!'' command would be replaced by
1327 complains about how the ``!'' command is broken :-) */
1329 add_com_alias ("!", "shell", class_support, 0);
1331 c = add_com ("make", class_support, make_command, _("\
1332 Run the ``make'' program using the rest of the line as arguments."));
1333 set_cmd_completer (c, filename_completer);
1334 add_cmd ("user", no_class, show_user, _("\
1335 Show definitions of user defined commands.\n\
1336 Argument is the name of the user defined command.\n\
1337 With no argument, show definitions of all user defined commands."), &showlist);
1338 add_com ("apropos", class_support, apropos_command,
1339 _("Search for commands matching a REGEXP"));
1341 add_setshow_integer_cmd ("max-user-call-depth", no_class,
1342 &max_user_call_depth, _("\
1343 Set the max call depth for user-defined commands."), _("\
1344 Show the max call depth for user-defined commands."), NULL,
1346 show_max_user_call_depth,
1347 &setlist, &showlist);