3 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005
4 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 Boston, MA 02110-1301, USA. */
24 #include "readline/readline.h"
25 #include "readline/tilde.h"
26 #include "completer.h"
27 #include "target.h" /* For baud_rate, remote_debug and remote_timeout */
28 #include "gdb_wait.h" /* For shell escape implementation */
29 #include "gdb_regex.h" /* Used by apropos_command */
30 #include "gdb_string.h"
31 #include "gdb_vfork.h"
33 #include "expression.h"
37 #include "filenames.h" /* for DOSish file names */
45 #include "cli/cli-decode.h"
46 #include "cli/cli-script.h"
47 #include "cli/cli-setshow.h"
48 #include "cli/cli-cmds.h"
51 #include "tui/tui.h" /* For tui_active et.al. */
56 /* Prototypes for local command functions */
58 static void complete_command (char *, int);
60 static void echo_command (char *, int);
62 static void pwd_command (char *, int);
64 static void show_version (char *, int);
66 static void help_command (char *, int);
68 static void show_command (char *, int);
70 static void info_command (char *, int);
72 static void show_debug (char *, int);
74 static void set_debug (char *, int);
76 static void show_user (char *, int);
78 static void make_command (char *, int);
80 static void shell_escape (char *, int);
82 static void edit_command (char *, int);
84 static void list_command (char *, int);
86 void apropos_command (char *, int);
88 /* Prototypes for local utility functions */
90 static void ambiguous_line_spec (struct symtabs_and_lines *);
92 /* Limit the call depth of user-defined commands */
93 int max_user_call_depth;
95 /* Define all cmd_list_elements. */
97 /* Chain containing all defined commands. */
99 struct cmd_list_element *cmdlist;
101 /* Chain containing all defined info subcommands. */
103 struct cmd_list_element *infolist;
105 /* Chain containing all defined enable subcommands. */
107 struct cmd_list_element *enablelist;
109 /* Chain containing all defined disable subcommands. */
111 struct cmd_list_element *disablelist;
113 /* Chain containing all defined toggle subcommands. */
115 struct cmd_list_element *togglelist;
117 /* Chain containing all defined stop subcommands. */
119 struct cmd_list_element *stoplist;
121 /* Chain containing all defined delete subcommands. */
123 struct cmd_list_element *deletelist;
125 /* Chain containing all defined "enable breakpoint" subcommands. */
127 struct cmd_list_element *enablebreaklist;
129 /* Chain containing all defined set subcommands */
131 struct cmd_list_element *setlist;
133 /* Chain containing all defined unset subcommands */
135 struct cmd_list_element *unsetlist;
137 /* Chain containing all defined show subcommands. */
139 struct cmd_list_element *showlist;
141 /* Chain containing all defined \"set history\". */
143 struct cmd_list_element *sethistlist;
145 /* Chain containing all defined \"show history\". */
147 struct cmd_list_element *showhistlist;
149 /* Chain containing all defined \"unset history\". */
151 struct cmd_list_element *unsethistlist;
153 /* Chain containing all defined maintenance subcommands. */
155 struct cmd_list_element *maintenancelist;
157 /* Chain containing all defined "maintenance info" subcommands. */
159 struct cmd_list_element *maintenanceinfolist;
161 /* Chain containing all defined "maintenance print" subcommands. */
163 struct cmd_list_element *maintenanceprintlist;
165 struct cmd_list_element *setprintlist;
167 struct cmd_list_element *showprintlist;
169 struct cmd_list_element *setdebuglist;
171 struct cmd_list_element *showdebuglist;
173 struct cmd_list_element *setchecklist;
175 struct cmd_list_element *showchecklist;
177 /* Command tracing state. */
179 int source_verbose = 0;
180 int trace_commands = 0;
182 /* Utility used everywhere when at least one argument is needed and
186 error_no_arg (char *why)
188 error (_("Argument required (%s)."), why);
191 /* The "info" command is defined as a prefix, with allow_unknown = 0.
192 Therefore, its own definition is called only for "info" with no args. */
195 info_command (char *arg, int from_tty)
197 printf_unfiltered (_("\"info\" must be followed by the name of an info command.\n"));
198 help_list (infolist, "info ", -1, gdb_stdout);
201 /* The "show" command with no arguments shows all the settings. */
204 show_command (char *arg, int from_tty)
206 cmd_show_list (showlist, from_tty, "");
209 /* Provide documentation on command or list given by COMMAND. FROM_TTY
213 help_command (char *command, int from_tty)
215 help_cmd (command, gdb_stdout);
218 /* String compare function for qsort. */
220 compare_strings (const void *arg1, const void *arg2)
222 const char **s1 = (const char **) arg1;
223 const char **s2 = (const char **) arg2;
224 return strcmp (*s1, *s2);
227 /* The "complete" command is used by Emacs to implement completion. */
230 complete_command (char *arg, int from_tty)
234 char **completions, *point, *arg_prefix;
240 argpoint = strlen (arg);
242 /* complete_line assumes that its first argument is somewhere within,
243 and except for filenames at the beginning of, the word to be completed.
244 The following crude imitation of readline's word-breaking tries to
246 point = arg + argpoint;
249 if (strchr (rl_completer_word_break_characters, point[-1]) != 0)
254 arg_prefix = alloca (point - arg + 1);
255 memcpy (arg_prefix, arg, point - arg);
256 arg_prefix[point - arg] = 0;
258 completions = complete_line (point, arg, argpoint);
264 for (size = 0; completions[size]; ++size)
266 qsort (completions, size, sizeof (char *), compare_strings);
268 /* We do extra processing here since we only want to print each
274 printf_unfiltered ("%s%s\n", arg_prefix, completions[item]);
275 next_item = item + 1;
276 while (next_item < size
277 && ! strcmp (completions[item], completions[next_item]))
279 xfree (completions[next_item]);
283 xfree (completions[item]);
292 is_complete_command (struct cmd_list_element *c)
294 return cmd_cfunc_eq (c, complete_command);
298 show_version (char *args, int from_tty)
301 print_gdb_version (gdb_stdout);
302 printf_filtered ("\n");
306 /* Handle the quit command. */
309 quit_command (char *args, int from_tty)
311 if (!quit_confirm ())
312 error (_("Not confirmed."));
313 quit_force (args, from_tty);
317 pwd_command (char *args, int from_tty)
320 error (_("The \"pwd\" command does not take an argument: %s"), args);
321 getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
323 if (strcmp (gdb_dirbuf, current_directory) != 0)
324 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
325 current_directory, gdb_dirbuf);
327 printf_unfiltered (_("Working directory %s.\n"), current_directory);
331 cd_command (char *dir, int from_tty)
334 /* Found something other than leading repetitions of "/..". */
338 /* If the new directory is absolute, repeat is a no-op; if relative,
339 repeat might be useful but is more likely to be a mistake. */
343 error_no_arg (_("new working directory"));
345 dir = tilde_expand (dir);
346 make_cleanup (xfree, dir);
349 perror_with_name (dir);
351 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
352 /* There's too much mess with DOSish names like "d:", "d:.",
353 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
354 simply get the canonicalized name of the current directory. */
355 dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
359 if (IS_DIR_SEPARATOR (dir[len - 1]))
361 /* Remove the trailing slash unless this is a root directory
362 (including a drive letter on non-Unix systems). */
363 if (!(len == 1) /* "/" */
364 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
365 && !(len == 3 && dir[1] == ':') /* "d:/" */
371 dir = savestring (dir, len);
372 if (IS_ABSOLUTE_PATH (dir))
373 current_directory = dir;
376 if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1]))
377 current_directory = concat (current_directory, dir, (char *)NULL);
379 current_directory = concat (current_directory, SLASH_STRING,
384 /* Now simplify any occurrences of `.' and `..' in the pathname. */
387 for (p = current_directory; *p;)
389 if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.'
390 && (p[2] == 0 || IS_DIR_SEPARATOR (p[2])))
392 else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.'
393 && (p[3] == 0 || IS_DIR_SEPARATOR (p[3])))
397 /* Search backwards for the directory just before the "/.."
398 and obliterate it and the "/..". */
400 while (q != current_directory && !IS_DIR_SEPARATOR (q[-1]))
403 if (q == current_directory)
404 /* current_directory is
405 a relative pathname ("can't happen"--leave it alone). */
409 strcpy (q - 1, p + 3);
414 /* We are dealing with leading repetitions of "/..", for example
415 "/../..", which is the Mach super-root. */
425 forget_cached_source_info ();
428 pwd_command ((char *) 0, 1);
432 source_script (char *file, int from_tty)
435 struct cleanup *old_cleanups;
436 char *full_pathname = NULL;
439 if (file == NULL || *file == 0)
441 error (_("source command requires file name of file to source."));
444 file = tilde_expand (file);
445 old_cleanups = make_cleanup (xfree, file);
447 /* Search for and open 'file' on the search path used for source
448 files. Put the full location in 'full_pathname'. */
449 fd = openp (source_path, OPF_TRY_CWD_FIRST,
450 file, O_RDONLY, 0, &full_pathname);
452 /* Use the full path name, if it is found. */
453 if (full_pathname != NULL && fd != -1)
455 file = full_pathname;
461 perror_with_name (file);
466 stream = fdopen (fd, FOPEN_RT);
467 script_from_file (stream, file);
469 do_cleanups (old_cleanups);
472 /* Return the source_verbose global variable to its previous state
473 on exit from the source command, by whatever means. */
475 source_verbose_cleanup (void *old_value)
477 source_verbose = *(int *)old_value;
482 source_command (char *args, int from_tty)
484 struct cleanup *old_cleanups;
486 int *old_source_verbose = xmalloc (sizeof(int));
488 *old_source_verbose = source_verbose;
489 old_cleanups = make_cleanup (source_verbose_cleanup, old_source_verbose);
491 /* -v causes the source command to run in verbose mode.
492 We still have to be able to handle filenames with spaces in a
493 backward compatible way, so buildargv is not appropriate. */
497 /* Make sure leading white space does not break the comparisons. */
498 while (isspace(args[0]))
501 /* Is -v the first thing in the string? */
502 if (args[0] == '-' && args[1] == 'v' && isspace (args[2]))
506 /* Trim -v and whitespace from the filename. */
508 while (isspace (file[0]))
513 return source_script (file, from_tty);
518 echo_command (char *text, int from_tty)
524 while ((c = *p++) != '\0')
528 /* \ at end of argument is used after spaces
529 so they won't be lost. */
533 c = parse_escape (&p);
535 printf_filtered ("%c", c);
538 printf_filtered ("%c", c);
541 /* Force this output to appear now. */
543 gdb_flush (gdb_stdout);
547 shell_escape (char *arg, int from_tty)
549 #if defined(CANT_FORK) || \
550 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
551 /* If ARG is NULL, they want an inferior shell, but `system' just
552 reports if the shell is available when passed a NULL arg. */
553 int rc = system (arg ? arg : "");
556 arg = "inferior shell";
560 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg,
561 safe_strerror (errno));
562 gdb_flush (gdb_stderr);
566 fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc);
567 gdb_flush (gdb_stderr);
570 /* Make sure to return to the directory GDB thinks it is, in case the
571 shell command we just ran changed it. */
572 chdir (current_directory);
574 #else /* Can fork. */
577 if ((pid = vfork ()) == 0)
579 char *p, *user_shell;
581 if ((user_shell = (char *) getenv ("SHELL")) == NULL)
582 user_shell = "/bin/sh";
584 /* Get the name of the shell for arg0 */
585 if ((p = strrchr (user_shell, '/')) == NULL)
588 p++; /* Get past '/' */
591 execl (user_shell, p, (char *) 0);
593 execl (user_shell, p, "-c", arg, (char *) 0);
595 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell,
596 safe_strerror (errno));
597 gdb_flush (gdb_stderr);
602 while ((rc = wait (&status)) != pid && rc != -1)
605 error (_("Fork failed"));
606 #endif /* Can fork. */
610 edit_command (char *arg, int from_tty)
612 struct symtabs_and_lines sals;
613 struct symtab_and_line sal;
621 /* Pull in the current default source line if necessary */
624 set_default_source_symtab_and_line ();
625 sal = get_current_source_symtab_and_line ();
628 /* bare "edit" edits file with present line. */
633 error (_("No default source file yet."));
634 sal.line += get_lines_to_list () / 2;
639 /* Now should only be one argument -- decode it in SAL */
642 sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
644 if (! sals.nelts) return; /* C++ */
645 if (sals.nelts > 1) {
646 ambiguous_line_spec (&sals);
655 error (_("Junk at end of line specification."));
657 /* if line was specified by address,
658 first print exactly which line, and which file.
659 In this case, sal.symtab == 0 means address is outside
660 of all known source files, not that user failed to give a filename. */
664 /* FIXME-32x64--assumes sal.pc fits in long. */
665 error (_("No source file for address %s."),
666 hex_string ((unsigned long) sal.pc));
667 sym = find_pc_function (sal.pc);
670 deprecated_print_address_numeric (sal.pc, 1, gdb_stdout);
671 printf_filtered (" is in ");
672 fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout);
673 printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
677 deprecated_print_address_numeric (sal.pc, 1, gdb_stdout);
678 printf_filtered (" is at %s:%d.\n",
679 sal.symtab->filename, sal.line);
683 /* If what was given does not imply a symtab, it must be an undebuggable
684 symbol which means no source code. */
687 error (_("No line number known for %s."), arg);
690 if ((editor = (char *) getenv ("EDITOR")) == NULL)
693 /* Approximate base-10 log of line to 1 unit for digit count */
694 for(log10=32, m=0x80000000; !(sal.line & m) && log10>0; log10--, m=m>>1);
695 log10 = 1 + (int)((log10 + (0 == ((m-1) & sal.line)))/3.32192809);
697 /* If we don't already know the full absolute file name of the
698 source file, find it now. */
699 if (!sal.symtab->fullname)
701 fn = symtab_to_fullname (sal.symtab);
706 fn = sal.symtab->fullname;
708 /* Quote the file name, in case it has whitespace or other special
710 p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn);
711 shell_escape(p, from_tty);
716 list_command (char *arg, int from_tty)
718 struct symtabs_and_lines sals, sals_end;
719 struct symtab_and_line sal = { 0 };
720 struct symtab_and_line sal_end = { 0 };
721 struct symtab_and_line cursal = { 0 };
730 /* Pull in the current default source line if necessary */
731 if (arg == 0 || arg[0] == '+' || arg[0] == '-')
733 set_default_source_symtab_and_line ();
734 cursal = get_current_source_symtab_and_line ();
737 /* "l" or "l +" lists next ten lines. */
739 if (arg == 0 || strcmp (arg, "+") == 0)
741 print_source_lines (cursal.symtab, cursal.line,
742 cursal.line + get_lines_to_list (), 0);
746 /* "l -" lists previous ten lines, the ones before the ten just listed. */
747 if (strcmp (arg, "-") == 0)
749 print_source_lines (cursal.symtab,
750 max (get_first_line_listed () - get_lines_to_list (), 1),
751 get_first_line_listed (), 0);
755 /* Now if there is only one argument, decode it in SAL
757 If there are two arguments, decode them in SAL and SAL_END
758 and clear NO_END; however, if one of the arguments is blank,
759 set DUMMY_BEG or DUMMY_END to record that fact. */
761 if (!have_full_symbols () && !have_partial_symbols ())
762 error (_("No symbol table is loaded. Use the \"file\" command."));
769 sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
775 ambiguous_line_spec (&sals);
784 /* Record whether the BEG arg is all digits. */
786 for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++);
787 linenum_beg = (p == arg1);
789 while (*arg1 == ' ' || *arg1 == '\t')
795 while (*arg1 == ' ' || *arg1 == '\t')
802 sals_end = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
804 sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0, 0);
805 if (sals_end.nelts == 0)
807 if (sals_end.nelts > 1)
809 ambiguous_line_spec (&sals_end);
810 xfree (sals_end.sals);
813 sal_end = sals_end.sals[0];
814 xfree (sals_end.sals);
819 error (_("Junk at end of line specification."));
821 if (!no_end && !dummy_beg && !dummy_end
822 && sal.symtab != sal_end.symtab)
823 error (_("Specified start and end are in different files."));
824 if (dummy_beg && dummy_end)
825 error (_("Two empty args do not say what lines to list."));
827 /* if line was specified by address,
828 first print exactly which line, and which file.
829 In this case, sal.symtab == 0 means address is outside
830 of all known source files, not that user failed to give a filename. */
834 /* FIXME-32x64--assumes sal.pc fits in long. */
835 error (_("No source file for address %s."),
836 hex_string ((unsigned long) sal.pc));
837 sym = find_pc_function (sal.pc);
840 deprecated_print_address_numeric (sal.pc, 1, gdb_stdout);
841 printf_filtered (" is in ");
842 fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout);
843 printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
847 deprecated_print_address_numeric (sal.pc, 1, gdb_stdout);
848 printf_filtered (" is at %s:%d.\n",
849 sal.symtab->filename, sal.line);
853 /* If line was not specified by just a line number,
854 and it does not imply a symtab, it must be an undebuggable symbol
855 which means no source code. */
857 if (!linenum_beg && sal.symtab == 0)
858 error (_("No line number known for %s."), arg);
860 /* If this command is repeated with RET,
861 turn it into the no-arg variant. */
866 if (dummy_beg && sal_end.symtab == 0)
867 error (_("No default source file yet. Do \"help list\"."));
869 print_source_lines (sal_end.symtab,
870 max (sal_end.line - (get_lines_to_list () - 1), 1),
871 sal_end.line + 1, 0);
872 else if (sal.symtab == 0)
873 error (_("No default source file yet. Do \"help list\"."));
876 int first_line = sal.line - get_lines_to_list () / 2;
878 if (first_line < 1) first_line = 1;
880 print_source_lines (sal.symtab,
882 first_line + get_lines_to_list (),
886 print_source_lines (sal.symtab, sal.line,
888 ? sal.line + get_lines_to_list ()
893 /* Dump a specified section of assembly code. With no command line
894 arguments, this command will dump the assembly code for the
895 function surrounding the pc value in the selected frame. With one
896 argument, it will dump the assembly code surrounding that pc value.
897 Two arguments are interpeted as bounds within which to dump
901 disassemble_command (char *arg, int from_tty)
905 CORE_ADDR pc, pc_masked;
914 if (!deprecated_selected_frame)
915 error (_("No frame selected."));
917 pc = get_frame_pc (deprecated_selected_frame);
918 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
919 error (_("No function contains program counter for selected frame."));
921 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
924 /* FIXME: cagney/2004-02-07: This should be an observer. */
925 low = tui_get_low_disassembly_address (low, pc);
927 low += DEPRECATED_FUNCTION_START_OFFSET;
929 else if (!(space_index = (char *) strchr (arg, ' ')))
932 pc = parse_and_eval_address (arg);
933 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
934 error (_("No function contains specified address."));
936 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
939 /* FIXME: cagney/2004-02-07: This should be an observer. */
940 low = tui_get_low_disassembly_address (low, pc);
942 low += DEPRECATED_FUNCTION_START_OFFSET;
948 low = parse_and_eval_address (arg);
949 high = parse_and_eval_address (space_index + 1);
953 if (!tui_is_window_visible (DISASSEM_WIN))
956 printf_filtered ("Dump of assembler code ");
959 printf_filtered ("for function %s:\n", name);
963 printf_filtered ("from ");
964 deprecated_print_address_numeric (low, 1, gdb_stdout);
965 printf_filtered (" to ");
966 deprecated_print_address_numeric (high, 1, gdb_stdout);
967 printf_filtered (":\n");
970 /* Dump the specified range. */
971 gdb_disassembly (uiout, 0, 0, 0, -1, low, high);
973 printf_filtered ("End of assembler dump.\n");
974 gdb_flush (gdb_stdout);
979 tui_show_assembly (low);
985 make_command (char *arg, int from_tty)
993 p = xmalloc (sizeof ("make ") + strlen (arg));
995 strcpy (p + sizeof ("make ") - 1, arg);
998 shell_escape (p, from_tty);
1002 show_user (char *args, int from_tty)
1004 struct cmd_list_element *c;
1005 extern struct cmd_list_element *cmdlist;
1009 c = lookup_cmd (&args, cmdlist, "", 0, 1);
1010 if (c->class != class_user)
1011 error (_("Not a user command."));
1012 show_user_1 (c, gdb_stdout);
1016 for (c = cmdlist; c; c = c->next)
1018 if (c->class == class_user)
1019 show_user_1 (c, gdb_stdout);
1024 /* Search through names of commands and documentations for a certain
1028 apropos_command (char *searchstr, int from_tty)
1030 extern struct cmd_list_element *cmdlist; /*This is the main command list*/
1032 char *pattern_fastmap;
1033 char errorbuffer[512];
1034 pattern_fastmap = xcalloc (256, sizeof (char));
1035 if (searchstr == NULL)
1036 error (_("REGEXP string is empty"));
1038 if (regcomp(&pattern,searchstr,REG_ICASE) == 0)
1040 pattern.fastmap=pattern_fastmap;
1041 re_compile_fastmap(&pattern);
1042 apropos_cmd (gdb_stdout,cmdlist,&pattern,"");
1046 regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512);
1047 error (_("Error in regular expression:%s"),errorbuffer);
1049 xfree (pattern_fastmap);
1052 /* Print a list of files and line numbers which a user may choose from
1053 in order to list a function which was specified ambiguously (as with
1054 `list classname::overloadedfuncname', for example). The vector in
1055 SALS provides the filenames and line numbers. */
1058 ambiguous_line_spec (struct symtabs_and_lines *sals)
1062 for (i = 0; i < sals->nelts; ++i)
1063 printf_filtered (_("file: \"%s\", line number: %d\n"),
1064 sals->sals[i].symtab->filename, sals->sals[i].line);
1068 set_debug (char *arg, int from_tty)
1070 printf_unfiltered (_("\"set debug\" must be followed by the name of a print subcommand.\n"));
1071 help_list (setdebuglist, "set debug ", -1, gdb_stdout);
1075 show_debug (char *args, int from_tty)
1077 cmd_show_list (showdebuglist, from_tty, "");
1081 init_cmd_lists (void)
1083 max_user_call_depth = 1024;
1092 enablebreaklist = NULL;
1097 showhistlist = NULL;
1098 unsethistlist = NULL;
1099 maintenancelist = NULL;
1100 maintenanceinfolist = NULL;
1101 maintenanceprintlist = NULL;
1102 setprintlist = NULL;
1103 showprintlist = NULL;
1104 setchecklist = NULL;
1105 showchecklist = NULL;
1109 show_info_verbose (struct ui_file *file, int from_tty,
1110 struct cmd_list_element *c,
1114 fprintf_filtered (file, _("\
1115 Verbose printing of informational messages is %s.\n"), value);
1117 fprintf_filtered (file, _("Verbosity is %s.\n"), value);
1121 show_history_expansion_p (struct ui_file *file, int from_tty,
1122 struct cmd_list_element *c, const char *value)
1124 fprintf_filtered (file, _("History expansion on command input is %s.\n"),
1129 show_baud_rate (struct ui_file *file, int from_tty,
1130 struct cmd_list_element *c, const char *value)
1132 fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"),
1137 show_remote_debug (struct ui_file *file, int from_tty,
1138 struct cmd_list_element *c, const char *value)
1140 fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"),
1145 show_remote_timeout (struct ui_file *file, int from_tty,
1146 struct cmd_list_element *c, const char *value)
1148 fprintf_filtered (file, _("\
1149 Timeout limit to wait for target to respond is %s.\n"),
1154 show_max_user_call_depth (struct ui_file *file, int from_tty,
1155 struct cmd_list_element *c, const char *value)
1157 fprintf_filtered (file, _("\
1158 The max call depth for user-defined commands is %s.\n"),
1164 init_cli_cmds (void)
1166 struct cmd_list_element *c;
1167 char *source_help_text;
1169 /* Define the classes of commands.
1170 They will appear in the help list in the reverse of this order. */
1172 add_cmd ("internals", class_maintenance, NULL, _("\
1173 Maintenance commands.\n\
1174 Some gdb commands are provided just for use by gdb maintainers.\n\
1175 These commands are subject to frequent change, and may not be as\n\
1176 well documented as user commands."),
1178 add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist);
1179 add_cmd ("aliases", class_alias, NULL, _("Aliases of other commands."), &cmdlist);
1180 add_cmd ("user-defined", class_user, NULL, _("\
1181 User-defined commands.\n\
1182 The commands in this class are those defined by the user.\n\
1183 Use the \"define\" command to define a command."), &cmdlist);
1184 add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist);
1186 add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist);
1187 add_cmd ("files", class_files, NULL, _("Specifying and examining files."),
1189 add_cmd ("breakpoints", class_breakpoint, NULL,
1190 _("Making program stop at certain points."), &cmdlist);
1191 add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist);
1192 add_cmd ("stack", class_stack, NULL, _("\
1193 Examining the stack.\n\
1194 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1195 counting from zero for the innermost (currently executing) frame.\n\n\
1196 At any time gdb identifies one frame as the \"selected\" frame.\n\
1197 Variable lookups are done with respect to the selected frame.\n\
1198 When the program being debugged stops, gdb selects the innermost frame.\n\
1199 The commands below can be used to select other frames by number or address."),
1201 add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist);
1203 /* Define general commands. */
1205 add_com ("pwd", class_files, pwd_command, _("\
1206 Print working directory. This is used for your program as well."));
1207 c = add_cmd ("cd", class_files, cd_command, _("\
1208 Set working directory to DIR for debugger and program being debugged.\n\
1209 The change does not take effect for the program being debugged\n\
1210 until the next time it is started."), &cmdlist);
1211 set_cmd_completer (c, filename_completer);
1213 add_com ("echo", class_support, echo_command, _("\
1214 Print a constant string. Give string as argument.\n\
1215 C escape sequences may be used in the argument.\n\
1216 No newline is added at the end of the argument;\n\
1217 use \"\\n\" if you want a newline to be printed.\n\
1218 Since leading and trailing whitespace are ignored in command arguments,\n\
1219 if you want to print some you must use \"\\\" before leading whitespace\n\
1220 to be printed or after trailing whitespace."));
1221 add_com ("document", class_support, document_command, _("\
1222 Document a user-defined command.\n\
1223 Give command name as argument. Give documentation on following lines.\n\
1224 End with a line of just \"end\"."));
1225 add_com ("define", class_support, define_command, _("\
1226 Define a new command name. Command name is argument.\n\
1227 Definition appears on following lines, one command per line.\n\
1228 End with a line of just \"end\".\n\
1229 Use the \"document\" command to give documentation for the new command.\n\
1230 Commands defined in this way may have up to ten arguments."));
1232 source_help_text = xstrprintf (_("\
1233 Read commands from a file named FILE.\n\
1234 Optional -v switch (before the filename) causes each command in\n\
1235 FILE to be echoed as it is executed.\n\
1236 Note that the file \"%s\" is read automatically in this way\n\
1237 when GDB is started."), gdbinit);
1238 c = add_cmd ("source", class_support, source_command,
1239 source_help_text, &cmdlist);
1240 set_cmd_completer (c, filename_completer);
1242 add_com ("quit", class_support, quit_command, _("Exit gdb."));
1243 c = add_com ("help", class_support, help_command,
1244 _("Print list of commands."));
1245 set_cmd_completer (c, command_completer);
1246 add_com_alias ("q", "quit", class_support, 1);
1247 add_com_alias ("h", "help", class_support, 1);
1249 add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\
1250 Set verbosity."), _("\
1251 Show verbosity."), NULL,
1254 &setlist, &showlist);
1256 add_prefix_cmd ("history", class_support, set_history,
1257 _("Generic command for setting command history parameters."),
1258 &sethistlist, "set history ", 0, &setlist);
1259 add_prefix_cmd ("history", class_support, show_history,
1260 _("Generic command for showing command history parameters."),
1261 &showhistlist, "show history ", 0, &showlist);
1263 add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\
1264 Set history expansion on command input."), _("\
1265 Show history expansion on command input."), _("\
1266 Without an argument, history expansion is enabled."),
1268 show_history_expansion_p,
1269 &sethistlist, &showhistlist);
1271 add_prefix_cmd ("info", class_info, info_command, _("\
1272 Generic command for showing things about the program being debugged."),
1273 &infolist, "info ", 0, &cmdlist);
1274 add_com_alias ("i", "info", class_info, 1);
1276 add_com ("complete", class_obscure, complete_command,
1277 _("List the completions for the rest of the line as a command."));
1279 add_prefix_cmd ("show", class_info, show_command,
1280 _("Generic command for showing things about the debugger."),
1281 &showlist, "show ", 0, &cmdlist);
1282 /* Another way to get at the same thing. */
1283 add_info ("set", show_command, _("Show all GDB settings."));
1285 add_cmd ("commands", no_class, show_commands, _("\
1286 Show the history of commands you typed.\n\
1287 You can supply a command number to start with, or a `+' to start after\n\
1288 the previous command number shown."),
1291 add_cmd ("version", no_class, show_version,
1292 _("Show what version of GDB this is."), &showlist);
1294 add_com ("while", class_support, while_command, _("\
1295 Execute nested commands WHILE the conditional expression is non zero.\n\
1296 The conditional expression must follow the word `while' and must in turn be\n\
1297 followed by a new line. The nested commands must be entered one per line,\n\
1298 and should be terminated by the word `end'."));
1300 add_com ("if", class_support, if_command, _("\
1301 Execute nested commands once IF the conditional expression is non zero.\n\
1302 The conditional expression must follow the word `if' and must in turn be\n\
1303 followed by a new line. The nested commands must be entered one per line,\n\
1304 and should be terminated by the word 'else' or `end'. If an else clause\n\
1305 is used, the same rules apply to its nested commands as to the first ones."));
1307 /* If target is open when baud changes, it doesn't take effect until the
1308 next open (I think, not sure). */
1309 add_setshow_zinteger_cmd ("remotebaud", no_class, &baud_rate, _("\
1310 Set baud rate for remote serial I/O."), _("\
1311 Show baud rate for remote serial I/O."), _("\
1312 This value is used to set the speed of the serial port when debugging\n\
1313 using remote targets."),
1316 &setlist, &showlist);
1318 add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\
1319 Set debugging of remote protocol."), _("\
1320 Show debugging of remote protocol."), _("\
1321 When enabled, each packet sent or received with the remote target\n\
1325 &setdebuglist, &showdebuglist);
1327 add_setshow_integer_cmd ("remotetimeout", no_class, &remote_timeout, _("\
1328 Set timeout limit to wait for target to respond."), _("\
1329 Show timeout limit to wait for target to respond."), _("\
1330 This value is used to set the time limit for gdb to wait for a response\n\
1333 show_remote_timeout,
1334 &setlist, &showlist);
1336 add_prefix_cmd ("debug", no_class, set_debug,
1337 _("Generic command for setting gdb debugging flags"),
1338 &setdebuglist, "set debug ", 0, &setlist);
1340 add_prefix_cmd ("debug", no_class, show_debug,
1341 _("Generic command for showing gdb debugging flags"),
1342 &showdebuglist, "show debug ", 0, &showlist);
1344 c = add_com ("shell", class_support, shell_escape, _("\
1345 Execute the rest of the line as a shell command.\n\
1346 With no arguments, run an inferior shell."));
1347 set_cmd_completer (c, filename_completer);
1349 c = add_com ("edit", class_files, edit_command, _("\
1350 Edit specified file or function.\n\
1351 With no argument, edits file containing most recent line listed.\n\
1352 Editing targets can be specified in these ways:\n\
1353 FILE:LINENUM, to edit at that line in that file,\n\
1354 FUNCTION, to edit at the beginning of that function,\n\
1355 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1356 *ADDRESS, to edit at the line containing that address.\n\
1357 Uses EDITOR environment variable contents as editor (or ex as default)."));
1359 c->completer = location_completer;
1361 add_com ("list", class_files, list_command, _("\
1362 List specified function or line.\n\
1363 With no argument, lists ten more lines after or around previous listing.\n\
1364 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1365 One argument specifies a line, and ten lines are listed around that line.\n\
1366 Two arguments with comma between specify starting and ending lines to list.\n\
1367 Lines can be specified in these ways:\n\
1368 LINENUM, to list around that line in current file,\n\
1369 FILE:LINENUM, to list around that line in that file,\n\
1370 FUNCTION, to list around beginning of that function,\n\
1371 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1372 *ADDRESS, to list around the line containing that address.\n\
1373 With two args if one is empty it stands for ten lines away from the other arg."));
1376 add_com_alias ("l", "list", class_files, 1);
1378 add_com_alias ("v", "list", class_files, 1);
1381 add_com_alias ("file", "list", class_files, 1);
1383 c = add_com ("disassemble", class_vars, disassemble_command, _("\
1384 Disassemble a specified section of memory.\n\
1385 Default is the function surrounding the pc of the selected frame.\n\
1386 With a single argument, the function surrounding that address is dumped.\n\
1387 Two arguments are taken as a range of memory to dump."));
1388 set_cmd_completer (c, location_completer);
1390 add_com_alias ("va", "disassemble", class_xdb, 0);
1392 /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would
1393 be a really useful feature. Unfortunately, the below wont do
1394 this. Instead it adds support for the form ``(gdb) ! ls''
1395 (i.e. the space is required). If the ``!'' command below is
1396 added the complains about no ``!'' command would be replaced by
1397 complains about how the ``!'' command is broken :-) */
1399 add_com_alias ("!", "shell", class_support, 0);
1401 c = add_com ("make", class_support, make_command, _("\
1402 Run the ``make'' program using the rest of the line as arguments."));
1403 set_cmd_completer (c, filename_completer);
1404 add_cmd ("user", no_class, show_user, _("\
1405 Show definitions of user defined commands.\n\
1406 Argument is the name of the user defined command.\n\
1407 With no argument, show definitions of all user defined commands."), &showlist);
1408 add_com ("apropos", class_support, apropos_command,
1409 _("Search for commands matching a REGEXP"));
1411 add_setshow_integer_cmd ("max-user-call-depth", no_class,
1412 &max_user_call_depth, _("\
1413 Set the max call depth for user-defined commands."), _("\
1414 Show the max call depth for user-defined commands."), NULL,
1416 show_max_user_call_depth,
1417 &setlist, &showlist);
1419 add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\
1420 Set tracing of GDB CLI commands."), _("\
1421 Show state of GDB CLI command tracing."), _("\
1422 When 'on', each command is displayed as it is executed."),
1425 &setlist, &showlist);