3 Copyright 2000, 2001, 2002 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 "completer.h"
24 #include "target.h" /* For baud_rate, remote_debug and remote_timeout */
25 #include "gdb_wait.h" /* For shell escape implementation */
26 #include "gdb_regex.h" /* Used by apropos_command */
27 #include "gdb_string.h"
29 #include "expression.h"
31 #include "filenames.h" /* for DOSish file names */
38 #include "cli/cli-decode.h"
39 #include "cli/cli-script.h"
40 #include "cli/cli-setshow.h"
41 #include "cli/cli-cmds.h"
43 #ifndef GDBINIT_FILENAME
44 #define GDBINIT_FILENAME ".gdbinit"
49 extern void dont_repeat (void);
51 extern void set_verbose (char *, int, struct cmd_list_element *);
53 extern void show_history (char *, int);
55 extern void set_history (char *, int);
57 extern void show_commands (char *, int);
59 /* Prototypes for local command functions */
61 static void complete_command (char *, int);
63 static void echo_command (char *, int);
65 static void pwd_command (char *, int);
67 static void show_version (char *, int);
69 static void validate_comname (char *);
71 static void help_command (char *, int);
73 static void show_command (char *, int);
75 static void info_command (char *, int);
77 static void show_debug (char *, int);
79 static void set_debug (char *, int);
81 static void show_user (char *, int);
83 static void make_command (char *, int);
85 static void shell_escape (char *, int);
87 static void edit_command (char *, int);
89 static void list_command (char *, int);
91 void apropos_command (char *, int);
93 /* Prototypes for local utility functions */
95 static void ambiguous_line_spec (struct symtabs_and_lines *);
97 /* Limit the call depth of user-defined commands */
98 int max_user_call_depth;
100 /* Define all cmd_list_elements. */
102 /* Chain containing all defined commands. */
104 struct cmd_list_element *cmdlist;
106 /* Chain containing all defined info subcommands. */
108 struct cmd_list_element *infolist;
110 /* Chain containing all defined enable subcommands. */
112 struct cmd_list_element *enablelist;
114 /* Chain containing all defined disable subcommands. */
116 struct cmd_list_element *disablelist;
118 /* Chain containing all defined toggle subcommands. */
120 struct cmd_list_element *togglelist;
122 /* Chain containing all defined stop subcommands. */
124 struct cmd_list_element *stoplist;
126 /* Chain containing all defined delete subcommands. */
128 struct cmd_list_element *deletelist;
130 /* Chain containing all defined "enable breakpoint" subcommands. */
132 struct cmd_list_element *enablebreaklist;
134 /* Chain containing all defined set subcommands */
136 struct cmd_list_element *setlist;
138 /* Chain containing all defined unset subcommands */
140 struct cmd_list_element *unsetlist;
142 /* Chain containing all defined show subcommands. */
144 struct cmd_list_element *showlist;
146 /* Chain containing all defined \"set history\". */
148 struct cmd_list_element *sethistlist;
150 /* Chain containing all defined \"show history\". */
152 struct cmd_list_element *showhistlist;
154 /* Chain containing all defined \"unset history\". */
156 struct cmd_list_element *unsethistlist;
158 /* Chain containing all defined maintenance subcommands. */
160 struct cmd_list_element *maintenancelist;
162 /* Chain containing all defined "maintenance info" subcommands. */
164 struct cmd_list_element *maintenanceinfolist;
166 /* Chain containing all defined "maintenance print" subcommands. */
168 struct cmd_list_element *maintenanceprintlist;
170 struct cmd_list_element *setprintlist;
172 struct cmd_list_element *showprintlist;
174 struct cmd_list_element *setdebuglist;
176 struct cmd_list_element *showdebuglist;
178 struct cmd_list_element *setchecklist;
180 struct cmd_list_element *showchecklist;
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. */
196 info_command (char *arg, int from_tty)
198 printf_unfiltered ("\"info\" must be followed by the name of an info command.\n");
199 help_list (infolist, "info ", -1, gdb_stdout);
202 /* The "show" command with no arguments shows all the settings. */
206 show_command (char *arg, int from_tty)
208 cmd_show_list (showlist, from_tty, "");
211 /* Provide documentation on command or list given by COMMAND. FROM_TTY
216 help_command (char *command, int from_tty)
218 help_cmd (command, gdb_stdout);
221 /* String compare function for qsort. */
223 compare_strings (const void *arg1, const void *arg2)
225 const char **s1 = (const char **) arg1;
226 const char **s2 = (const char **) arg2;
227 return strcmp (*s1, *s2);
230 /* The "complete" command is used by Emacs to implement completion. */
234 complete_command (char *arg, int from_tty)
244 argpoint = strlen (arg);
246 completions = complete_line (arg, arg, argpoint);
252 for (size = 0; completions[size]; ++size)
254 qsort (completions, size, sizeof (char *), compare_strings);
256 /* We do extra processing here since we only want to print each
262 printf_unfiltered ("%s\n", completions[item]);
263 next_item = item + 1;
264 while (next_item < size
265 && ! strcmp (completions[item], completions[next_item]))
267 xfree (completions[next_item]);
271 xfree (completions[item]);
280 is_complete_command (struct cmd_list_element *c)
282 return cmd_cfunc_eq (c, complete_command);
287 show_version (char *args, int from_tty)
290 print_gdb_version (gdb_stdout);
291 printf_filtered ("\n");
295 /* Handle the quit command. */
298 quit_command (char *args, int from_tty)
300 if (!quit_confirm ())
301 error ("Not confirmed.");
302 quit_force (args, from_tty);
307 pwd_command (char *args, int from_tty)
310 error ("The \"pwd\" command does not take an argument: %s", args);
311 getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
313 if (!STREQ (gdb_dirbuf, current_directory))
314 printf_unfiltered ("Working directory %s\n (canonically %s).\n",
315 current_directory, gdb_dirbuf);
317 printf_unfiltered ("Working directory %s.\n", current_directory);
321 cd_command (char *dir, int from_tty)
324 /* Found something other than leading repetitions of "/..". */
328 /* If the new directory is absolute, repeat is a no-op; if relative,
329 repeat might be useful but is more likely to be a mistake. */
333 error_no_arg ("new working directory");
335 dir = tilde_expand (dir);
336 make_cleanup (xfree, dir);
339 perror_with_name (dir);
341 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
342 /* There's too much mess with DOSish names like "d:", "d:.",
343 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
344 simply get the canonicalized name of the current directory. */
345 dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
349 if (IS_DIR_SEPARATOR (dir[len - 1]))
351 /* Remove the trailing slash unless this is a root directory
352 (including a drive letter on non-Unix systems). */
353 if (!(len == 1) /* "/" */
354 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
355 && !(len == 3 && dir[1] == ':') /* "d:/" */
361 dir = savestring (dir, len);
362 if (IS_ABSOLUTE_PATH (dir))
363 current_directory = dir;
366 if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1]))
367 current_directory = concat (current_directory, dir, NULL);
369 current_directory = concat (current_directory, SLASH_STRING, dir, NULL);
373 /* Now simplify any occurrences of `.' and `..' in the pathname. */
376 for (p = current_directory; *p;)
378 if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.'
379 && (p[2] == 0 || IS_DIR_SEPARATOR (p[2])))
381 else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.'
382 && (p[3] == 0 || IS_DIR_SEPARATOR (p[3])))
386 /* Search backwards for the directory just before the "/.."
387 and obliterate it and the "/..". */
389 while (q != current_directory && !IS_DIR_SEPARATOR (q[-1]))
392 if (q == current_directory)
393 /* current_directory is
394 a relative pathname ("can't happen"--leave it alone). */
398 strcpy (q - 1, p + 3);
403 /* We are dealing with leading repetitions of "/..", for example
404 "/../..", which is the Mach super-root. */
414 forget_cached_source_info ();
417 pwd_command ((char *) 0, 1);
421 source_command (char *args, int from_tty)
424 struct cleanup *old_cleanups;
429 error ("source command requires pathname of file to source.");
432 file = tilde_expand (file);
433 old_cleanups = make_cleanup (xfree, file);
435 stream = fopen (file, FOPEN_RT);
439 perror_with_name (file);
444 script_from_file (stream, file);
446 do_cleanups (old_cleanups);
451 echo_command (char *text, int from_tty)
457 while ((c = *p++) != '\0')
461 /* \ at end of argument is used after spaces
462 so they won't be lost. */
466 c = parse_escape (&p);
468 printf_filtered ("%c", c);
471 printf_filtered ("%c", c);
474 /* Force this output to appear now. */
476 gdb_flush (gdb_stdout);
481 shell_escape (char *arg, int from_tty)
484 /* If ARG is NULL, they want an inferior shell, but `system' just
485 reports if the shell is available when passed a NULL arg. */
486 int rc = system (arg ? arg : "");
489 arg = "inferior shell";
493 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg,
494 safe_strerror (errno));
495 gdb_flush (gdb_stderr);
499 fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc);
500 gdb_flush (gdb_stderr);
503 /* Make sure to return to the directory GDB thinks it is, in case the
504 shell command we just ran changed it. */
505 chdir (current_directory);
507 #else /* Can fork. */
509 char *p, *user_shell;
511 if ((user_shell = (char *) getenv ("SHELL")) == NULL)
512 user_shell = "/bin/sh";
514 /* Get the name of the shell for arg0 */
515 if ((p = strrchr (user_shell, '/')) == NULL)
518 p++; /* Get past '/' */
520 if ((pid = fork ()) == 0)
523 execl (user_shell, p, 0);
525 execl (user_shell, p, "-c", arg, 0);
527 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell,
528 safe_strerror (errno));
529 gdb_flush (gdb_stderr);
534 while ((rc = wait (&status)) != pid && rc != -1)
537 error ("Fork failed");
538 #endif /* Can fork. */
542 edit_command (char *arg, int from_tty)
544 struct symtabs_and_lines sals;
545 struct symtab_and_line sal;
553 /* Pull in the current default source line if necessary */
555 sal = get_current_or_default_source_symtab_and_line ();
557 /* bare "edit" edits file with present line. */
562 error ("No default source file yet.");
563 sal.line += get_lines_to_list () / 2;
568 /* Now should only be one argument -- decode it in SAL */
571 sals = decode_line_1 (&arg1, 0, 0, 0, 0);
573 if (! sals.nelts) return; /* C++ */
574 if (sals.nelts > 1) {
575 ambiguous_line_spec (&sals);
584 error ("Junk at end of line specification.");
586 /* if line was specified by address,
587 first print exactly which line, and which file.
588 In this case, sal.symtab == 0 means address is outside
589 of all known source files, not that user failed to give a filename. */
593 /* FIXME-32x64--assumes sal.pc fits in long. */
594 error ("No source file for address %s.",
595 local_hex_string((unsigned long) sal.pc));
596 sym = find_pc_function (sal.pc);
599 print_address_numeric (sal.pc, 1, gdb_stdout);
600 printf_filtered (" is in ");
601 fputs_filtered (SYMBOL_SOURCE_NAME (sym), gdb_stdout);
602 printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
606 print_address_numeric (sal.pc, 1, gdb_stdout);
607 printf_filtered (" is at %s:%d.\n",
608 sal.symtab->filename, sal.line);
612 /* If what was given does not imply a symtab, it must be an undebuggable
613 symbol which means no source code. */
616 error ("No line number known for %s.", arg);
619 if ((editor = (char *) getenv ("EDITOR")) == NULL)
622 /* Approximate base-10 log of line to 1 unit for digit count */
623 for(log10=32, m=0x80000000; !(sal.line & m) && log10>0; log10--, m=m>>1);
624 log10 = 1 + (int)((log10 + (0 == ((m-1) & sal.line)))/3.32192809);
626 cmdlen = strlen(editor) + 1
627 + (NULL == sal.symtab->dirname ? 0 : strlen(sal.symtab->dirname) + 1)
628 + (NULL == sal.symtab->filename? 0 : strlen(sal.symtab->filename)+ 1)
632 sprintf(p,"%s +%d %s%s",editor,sal.line,
633 (NULL == sal.symtab->dirname ? "./" :
634 (NULL != sal.symtab->filename && *(sal.symtab->filename) != '/') ?
635 sal.symtab->dirname : ""),
636 (NULL == sal.symtab->filename ? "unknown" : sal.symtab->filename)
638 shell_escape(p, from_tty);
644 list_command (char *arg, int from_tty)
646 struct symtabs_and_lines sals, sals_end;
647 struct symtab_and_line sal, sal_end, cursal;
656 /* Pull in the current default source line if necessary */
657 if (arg == 0 || arg[0] == '+' || arg[0] == '-')
658 cursal = get_current_or_default_source_symtab_and_line ();
660 /* "l" or "l +" lists next ten lines. */
662 if (arg == 0 || STREQ (arg, "+"))
664 print_source_lines (cursal.symtab, cursal.line,
665 cursal.line + get_lines_to_list (), 0);
669 /* "l -" lists previous ten lines, the ones before the ten just listed. */
670 if (STREQ (arg, "-"))
672 print_source_lines (cursal.symtab,
673 max (get_first_line_listed () - get_lines_to_list (), 1),
674 get_first_line_listed (), 0);
678 /* Now if there is only one argument, decode it in SAL
680 If there are two arguments, decode them in SAL and SAL_END
681 and clear NO_END; however, if one of the arguments is blank,
682 set DUMMY_BEG or DUMMY_END to record that fact. */
684 if (!have_full_symbols () && !have_partial_symbols ())
685 error ("No symbol table is loaded. Use the \"file\" command.");
692 sals = decode_line_1 (&arg1, 0, 0, 0, 0);
698 ambiguous_line_spec (&sals);
707 /* Record whether the BEG arg is all digits. */
709 for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++);
710 linenum_beg = (p == arg1);
712 while (*arg1 == ' ' || *arg1 == '\t')
718 while (*arg1 == ' ' || *arg1 == '\t')
725 sals_end = decode_line_1 (&arg1, 0, 0, 0, 0);
727 sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0);
728 if (sals_end.nelts == 0)
730 if (sals_end.nelts > 1)
732 ambiguous_line_spec (&sals_end);
733 xfree (sals_end.sals);
736 sal_end = sals_end.sals[0];
737 xfree (sals_end.sals);
742 error ("Junk at end of line specification.");
744 if (!no_end && !dummy_beg && !dummy_end
745 && sal.symtab != sal_end.symtab)
746 error ("Specified start and end are in different files.");
747 if (dummy_beg && dummy_end)
748 error ("Two empty args do not say what lines to list.");
750 /* if line was specified by address,
751 first print exactly which line, and which file.
752 In this case, sal.symtab == 0 means address is outside
753 of all known source files, not that user failed to give a filename. */
757 /* FIXME-32x64--assumes sal.pc fits in long. */
758 error ("No source file for address %s.",
759 local_hex_string ((unsigned long) sal.pc));
760 sym = find_pc_function (sal.pc);
763 print_address_numeric (sal.pc, 1, gdb_stdout);
764 printf_filtered (" is in ");
765 fputs_filtered (SYMBOL_SOURCE_NAME (sym), gdb_stdout);
766 printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
770 print_address_numeric (sal.pc, 1, gdb_stdout);
771 printf_filtered (" is at %s:%d.\n",
772 sal.symtab->filename, sal.line);
776 /* If line was not specified by just a line number,
777 and it does not imply a symtab, it must be an undebuggable symbol
778 which means no source code. */
780 if (!linenum_beg && sal.symtab == 0)
781 error ("No line number known for %s.", arg);
783 /* If this command is repeated with RET,
784 turn it into the no-arg variant. */
789 if (dummy_beg && sal_end.symtab == 0)
790 error ("No default source file yet. Do \"help list\".");
792 print_source_lines (sal_end.symtab,
793 max (sal_end.line - (get_lines_to_list () - 1), 1),
794 sal_end.line + 1, 0);
795 else if (sal.symtab == 0)
796 error ("No default source file yet. Do \"help list\".");
799 int first_line = sal.line - get_lines_to_list () / 2;
801 if (first_line < 1) first_line = 1;
803 print_source_lines (sal.symtab,
805 first_line + get_lines_to_list (),
809 print_source_lines (sal.symtab, sal.line,
811 ? sal.line + get_lines_to_list ()
817 make_command (char *arg, int from_tty)
825 p = xmalloc (sizeof ("make ") + strlen (arg));
827 strcpy (p + sizeof ("make ") - 1, arg);
830 shell_escape (p, from_tty);
835 show_user (char *args, int from_tty)
837 struct cmd_list_element *c;
838 extern struct cmd_list_element *cmdlist;
842 c = lookup_cmd (&args, cmdlist, "", 0, 1);
843 if (c->class != class_user)
844 error ("Not a user command.");
845 show_user_1 (c, gdb_stdout);
849 for (c = cmdlist; c; c = c->next)
851 if (c->class == class_user)
852 show_user_1 (c, gdb_stdout);
857 /* Search through names of commands and documentations for a certain
861 apropos_command (char *searchstr, int from_tty)
863 extern struct cmd_list_element *cmdlist; /*This is the main command list*/
865 char *pattern_fastmap;
866 char errorbuffer[512];
867 pattern_fastmap = xcalloc (256, sizeof (char));
868 if (searchstr == NULL)
869 error("REGEXP string is empty");
871 if (regcomp(&pattern,searchstr,REG_ICASE) == 0)
873 pattern.fastmap=pattern_fastmap;
874 re_compile_fastmap(&pattern);
875 apropos_cmd (gdb_stdout,cmdlist,&pattern,"");
879 regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512);
880 error("Error in regular expression:%s",errorbuffer);
882 xfree (pattern_fastmap);
885 /* Print a list of files and line numbers which a user may choose from
886 in order to list a function which was specified ambiguously (as with
887 `list classname::overloadedfuncname', for example). The vector in
888 SALS provides the filenames and line numbers. */
891 ambiguous_line_spec (struct symtabs_and_lines *sals)
895 for (i = 0; i < sals->nelts; ++i)
896 printf_filtered ("file: \"%s\", line number: %d\n",
897 sals->sals[i].symtab->filename, sals->sals[i].line);
901 set_debug (char *arg, int from_tty)
903 printf_unfiltered ("\"set debug\" must be followed by the name of a print subcommand.\n");
904 help_list (setdebuglist, "set debug ", -1, gdb_stdout);
908 show_debug (char *args, int from_tty)
910 cmd_show_list (showdebuglist, from_tty, "");
914 init_cmd_lists (void)
916 max_user_call_depth = 1024;
925 enablebreaklist = NULL;
931 unsethistlist = NULL;
932 maintenancelist = NULL;
933 maintenanceinfolist = NULL;
934 maintenanceprintlist = NULL;
936 showprintlist = NULL;
938 showchecklist = NULL;
945 struct cmd_list_element *c;
947 /* Define the classes of commands.
948 They will appear in the help list in the reverse of this order. */
950 add_cmd ("internals", class_maintenance, NULL,
951 "Maintenance commands.\n\
952 Some gdb commands are provided just for use by gdb maintainers.\n\
953 These commands are subject to frequent change, and may not be as\n\
954 well documented as user commands.",
956 add_cmd ("obscure", class_obscure, NULL, "Obscure features.", &cmdlist);
957 add_cmd ("aliases", class_alias, NULL, "Aliases of other commands.", &cmdlist);
958 add_cmd ("user-defined", class_user, NULL, "User-defined commands.\n\
959 The commands in this class are those defined by the user.\n\
960 Use the \"define\" command to define a command.", &cmdlist);
961 add_cmd ("support", class_support, NULL, "Support facilities.", &cmdlist);
963 add_cmd ("status", class_info, NULL, "Status inquiries.", &cmdlist);
964 add_cmd ("files", class_files, NULL, "Specifying and examining files.", &cmdlist);
965 add_cmd ("breakpoints", class_breakpoint, NULL, "Making program stop at certain points.", &cmdlist);
966 add_cmd ("data", class_vars, NULL, "Examining data.", &cmdlist);
967 add_cmd ("stack", class_stack, NULL, "Examining the stack.\n\
968 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
969 counting from zero for the innermost (currently executing) frame.\n\n\
970 At any time gdb identifies one frame as the \"selected\" frame.\n\
971 Variable lookups are done with respect to the selected frame.\n\
972 When the program being debugged stops, gdb selects the innermost frame.\n\
973 The commands below can be used to select other frames by number or address.",
975 add_cmd ("running", class_run, NULL, "Running the program.", &cmdlist);
977 /* Define general commands. */
979 add_com ("pwd", class_files, pwd_command,
980 "Print working directory. This is used for your program as well.");
981 c = add_cmd ("cd", class_files, cd_command,
982 "Set working directory to DIR for debugger and program being debugged.\n\
983 The change does not take effect for the program being debugged\n\
984 until the next time it is started.", &cmdlist);
985 set_cmd_completer (c, filename_completer);
987 add_com ("echo", class_support, echo_command,
988 "Print a constant string. Give string as argument.\n\
989 C escape sequences may be used in the argument.\n\
990 No newline is added at the end of the argument;\n\
991 use \"\\n\" if you want a newline to be printed.\n\
992 Since leading and trailing whitespace are ignored in command arguments,\n\
993 if you want to print some you must use \"\\\" before leading whitespace\n\
994 to be printed or after trailing whitespace.");
995 add_com ("document", class_support, document_command,
996 "Document a user-defined command.\n\
997 Give command name as argument. Give documentation on following lines.\n\
998 End with a line of just \"end\".");
999 add_com ("define", class_support, define_command,
1000 "Define a new command name. Command name is argument.\n\
1001 Definition appears on following lines, one command per line.\n\
1002 End with a line of just \"end\".\n\
1003 Use the \"document\" command to give documentation for the new command.\n\
1004 Commands defined in this way may have up to ten arguments.");
1006 c = add_cmd ("source", class_support, source_command,
1007 "Read commands from a file named FILE.\n\
1008 Note that the file \"" GDBINIT_FILENAME "\" is read automatically in this way\n\
1009 when gdb is started.", &cmdlist);
1010 set_cmd_completer (c, filename_completer);
1012 add_com ("quit", class_support, quit_command, "Exit gdb.");
1013 c = add_com ("help", class_support, help_command, "Print list of commands.");
1014 set_cmd_completer (c, command_completer);
1015 add_com_alias ("q", "quit", class_support, 1);
1016 add_com_alias ("h", "help", class_support, 1);
1018 c = add_set_cmd ("verbose", class_support, var_boolean, (char *) &info_verbose,
1021 add_show_from_set (c, &showlist);
1022 set_cmd_sfunc (c, set_verbose);
1023 set_verbose (NULL, 0, c);
1025 add_prefix_cmd ("history", class_support, set_history,
1026 "Generic command for setting command history parameters.",
1027 &sethistlist, "set history ", 0, &setlist);
1028 add_prefix_cmd ("history", class_support, show_history,
1029 "Generic command for showing command history parameters.",
1030 &showhistlist, "show history ", 0, &showlist);
1033 (add_set_cmd ("expansion", no_class, var_boolean, (char *) &history_expansion_p,
1034 "Set history expansion on command input.\n\
1035 Without an argument, history expansion is enabled.", &sethistlist),
1038 add_prefix_cmd ("info", class_info, info_command,
1039 "Generic command for showing things about the program being debugged.",
1040 &infolist, "info ", 0, &cmdlist);
1041 add_com_alias ("i", "info", class_info, 1);
1043 add_com ("complete", class_obscure, complete_command,
1044 "List the completions for the rest of the line as a command.");
1046 add_prefix_cmd ("show", class_info, show_command,
1047 "Generic command for showing things about the debugger.",
1048 &showlist, "show ", 0, &cmdlist);
1049 /* Another way to get at the same thing. */
1050 add_info ("set", show_command, "Show all GDB settings.");
1052 add_cmd ("commands", no_class, show_commands,
1053 "Show the history of commands you typed.\n\
1054 You can supply a command number to start with, or a `+' to start after\n\
1055 the previous command number shown.",
1058 add_cmd ("version", no_class, show_version,
1059 "Show what version of GDB this is.", &showlist);
1061 add_com ("while", class_support, while_command,
1062 "Execute nested commands WHILE the conditional expression is non zero.\n\
1063 The conditional expression must follow the word `while' and must in turn be\n\
1064 followed by a new line. The nested commands must be entered one per line,\n\
1065 and should be terminated by the word `end'.");
1067 add_com ("if", class_support, if_command,
1068 "Execute nested commands once IF the conditional expression is non zero.\n\
1069 The conditional expression must follow the word `if' and must in turn be\n\
1070 followed by a new line. The nested commands must be entered one per line,\n\
1071 and should be terminated by the word 'else' or `end'. If an else clause\n\
1072 is used, the same rules apply to its nested commands as to the first ones.");
1074 /* If target is open when baud changes, it doesn't take effect until the
1075 next open (I think, not sure). */
1076 add_show_from_set (add_set_cmd ("remotebaud", no_class,
1077 var_zinteger, (char *) &baud_rate,
1078 "Set baud rate for remote serial I/O.\n\
1079 This value is used to set the speed of the serial port when debugging\n\
1080 using remote targets.", &setlist),
1083 c = add_set_cmd ("remotedebug", no_class, var_zinteger,
1084 (char *) &remote_debug,
1085 "Set debugging of remote protocol.\n\
1086 When enabled, each packet sent or received with the remote target\n\
1087 is displayed.", &setlist);
1088 deprecate_cmd (c, "set debug remote");
1089 deprecate_cmd (add_show_from_set (c, &showlist), "show debug remote");
1091 add_show_from_set (add_set_cmd ("remote", no_class, var_zinteger,
1092 (char *) &remote_debug,
1093 "Set debugging of remote protocol.\n\
1094 When enabled, each packet sent or received with the remote target\n\
1095 is displayed.", &setdebuglist),
1099 add_set_cmd ("remotetimeout", no_class, var_integer, (char *) &remote_timeout,
1100 "Set timeout limit to wait for target to respond.\n\
1101 This value is used to set the time limit for gdb to wait for a response\n\
1102 from the target.", &setlist),
1105 add_prefix_cmd ("debug", no_class, set_debug,
1106 "Generic command for setting gdb debugging flags",
1107 &setdebuglist, "set debug ", 0, &setlist);
1109 add_prefix_cmd ("debug", no_class, show_debug,
1110 "Generic command for showing gdb debugging flags",
1111 &showdebuglist, "show debug ", 0, &showlist);
1113 c = add_com ("shell", class_support, shell_escape,
1114 "Execute the rest of the line as a shell command.\n\
1115 With no arguments, run an inferior shell.");
1116 set_cmd_completer (c, filename_completer);
1118 c = add_com ("edit", class_files, edit_command,
1119 concat ("Edit specified file or function.\n\
1120 With no argument, edits file containing most recent line listed.\n\
1122 Editing targets can be specified in these ways:\n\
1123 FILE:LINENUM, to edit at that line in that file,\n\
1124 FUNCTION, to edit at the beginning of that function,\n\
1125 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1126 *ADDRESS, to edit at the line containing that address.\n\
1127 Uses EDITOR environment variable contents as editor (or ex as default).",NULL));
1129 c->completer = location_completer;
1131 add_com ("list", class_files, list_command,
1132 concat ("List specified function or line.\n\
1133 With no argument, lists ten more lines after or around previous listing.\n\
1134 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1135 One argument specifies a line, and ten lines are listed around that line.\n\
1136 Two arguments with comma between specify starting and ending lines to list.\n\
1138 Lines can be specified in these ways:\n\
1139 LINENUM, to list around that line in current file,\n\
1140 FILE:LINENUM, to list around that line in that file,\n\
1141 FUNCTION, to list around beginning of that function,\n\
1142 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1143 *ADDRESS, to list around the line containing that address.\n\
1144 With two args if one is empty it stands for ten lines away from the other arg.", NULL));
1147 add_com_alias ("l", "list", class_files, 1);
1149 add_com_alias ("v", "list", class_files, 1);
1152 add_com_alias ("file", "list", class_files, 1);
1155 /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would
1156 be a really useful feature. Unfortunately, the below wont do
1157 this. Instead it adds support for the form ``(gdb) ! ls''
1158 (i.e. the space is required). If the ``!'' command below is
1159 added the complains about no ``!'' command would be replaced by
1160 complains about how the ``!'' command is broken :-) */
1162 add_com_alias ("!", "shell", class_support, 0);
1164 c = add_com ("make", class_support, make_command,
1165 "Run the ``make'' program using the rest of the line as arguments.");
1166 set_cmd_completer (c, filename_completer);
1167 add_cmd ("user", no_class, show_user,
1168 "Show definitions of user defined commands.\n\
1169 Argument is the name of the user defined command.\n\
1170 With no argument, show definitions of all user defined commands.", &showlist);
1171 add_com ("apropos", class_support, apropos_command, "Search for commands matching a REGEXP");
1174 add_set_cmd ("max-user-call-depth", no_class, var_integer,
1175 (char *) &max_user_call_depth,
1176 "Set the max call depth for user-defined commands.\n",