3 Copyright 2000, 2001, 2002, 2003 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/tilde.h>
24 #include "completer.h"
25 #include "target.h" /* For baud_rate, remote_debug and remote_timeout */
26 #include "gdb_wait.h" /* For shell escape implementation */
27 #include "gdb_regex.h" /* Used by apropos_command */
28 #include "gdb_string.h"
29 #include "gdb_vfork.h"
31 #include "expression.h"
35 #include "filenames.h" /* for DOSish file names */
43 #include "cli/cli-decode.h"
44 #include "cli/cli-script.h"
45 #include "cli/cli-setshow.h"
46 #include "cli/cli-cmds.h"
48 #ifndef GDBINIT_FILENAME
49 #define GDBINIT_FILENAME ".gdbinit"
52 /* Prototypes for local command functions */
54 static void complete_command (char *, int);
56 static void echo_command (char *, int);
58 static void pwd_command (char *, int);
60 static void show_version (char *, int);
62 static void help_command (char *, int);
64 static void show_command (char *, int);
66 static void info_command (char *, int);
68 static void show_debug (char *, int);
70 static void set_debug (char *, int);
72 static void show_user (char *, int);
74 static void make_command (char *, int);
76 static void shell_escape (char *, int);
78 static void edit_command (char *, int);
80 static void list_command (char *, int);
82 void apropos_command (char *, int);
84 /* Prototypes for local utility functions */
86 static void ambiguous_line_spec (struct symtabs_and_lines *);
88 /* Limit the call depth of user-defined commands */
89 int max_user_call_depth;
91 /* Define all cmd_list_elements. */
93 /* Chain containing all defined commands. */
95 struct cmd_list_element *cmdlist;
97 /* Chain containing all defined info subcommands. */
99 struct cmd_list_element *infolist;
101 /* Chain containing all defined enable subcommands. */
103 struct cmd_list_element *enablelist;
105 /* Chain containing all defined disable subcommands. */
107 struct cmd_list_element *disablelist;
109 /* Chain containing all defined toggle subcommands. */
111 struct cmd_list_element *togglelist;
113 /* Chain containing all defined stop subcommands. */
115 struct cmd_list_element *stoplist;
117 /* Chain containing all defined delete subcommands. */
119 struct cmd_list_element *deletelist;
121 /* Chain containing all defined "enable breakpoint" subcommands. */
123 struct cmd_list_element *enablebreaklist;
125 /* Chain containing all defined set subcommands */
127 struct cmd_list_element *setlist;
129 /* Chain containing all defined unset subcommands */
131 struct cmd_list_element *unsetlist;
133 /* Chain containing all defined show subcommands. */
135 struct cmd_list_element *showlist;
137 /* Chain containing all defined \"set history\". */
139 struct cmd_list_element *sethistlist;
141 /* Chain containing all defined \"show history\". */
143 struct cmd_list_element *showhistlist;
145 /* Chain containing all defined \"unset history\". */
147 struct cmd_list_element *unsethistlist;
149 /* Chain containing all defined maintenance subcommands. */
151 struct cmd_list_element *maintenancelist;
153 /* Chain containing all defined "maintenance info" subcommands. */
155 struct cmd_list_element *maintenanceinfolist;
157 /* Chain containing all defined "maintenance print" subcommands. */
159 struct cmd_list_element *maintenanceprintlist;
161 struct cmd_list_element *setprintlist;
163 struct cmd_list_element *showprintlist;
165 struct cmd_list_element *setdebuglist;
167 struct cmd_list_element *showdebuglist;
169 struct cmd_list_element *setchecklist;
171 struct cmd_list_element *showchecklist;
173 /* Utility used everywhere when at least one argument is needed and
177 error_no_arg (char *why)
179 error ("Argument required (%s).", why);
182 /* The "info" command is defined as a prefix, with allow_unknown = 0.
183 Therefore, its own definition is called only for "info" with no args. */
186 info_command (char *arg, int from_tty)
188 printf_unfiltered ("\"info\" must be followed by the name of an info command.\n");
189 help_list (infolist, "info ", -1, gdb_stdout);
192 /* The "show" command with no arguments shows all the settings. */
195 show_command (char *arg, int from_tty)
197 cmd_show_list (showlist, from_tty, "");
200 /* Provide documentation on command or list given by COMMAND. FROM_TTY
204 help_command (char *command, int from_tty)
206 help_cmd (command, gdb_stdout);
209 /* String compare function for qsort. */
211 compare_strings (const void *arg1, const void *arg2)
213 const char **s1 = (const char **) arg1;
214 const char **s2 = (const char **) arg2;
215 return strcmp (*s1, *s2);
218 /* The "complete" command is used by Emacs to implement completion. */
221 complete_command (char *arg, int from_tty)
231 argpoint = strlen (arg);
233 completions = complete_line (arg, arg, argpoint);
239 for (size = 0; completions[size]; ++size)
241 qsort (completions, size, sizeof (char *), compare_strings);
243 /* We do extra processing here since we only want to print each
249 printf_unfiltered ("%s\n", completions[item]);
250 next_item = item + 1;
251 while (next_item < size
252 && ! strcmp (completions[item], completions[next_item]))
254 xfree (completions[next_item]);
258 xfree (completions[item]);
267 is_complete_command (struct cmd_list_element *c)
269 return cmd_cfunc_eq (c, complete_command);
273 show_version (char *args, int from_tty)
276 print_gdb_version (gdb_stdout);
277 printf_filtered ("\n");
281 /* Handle the quit command. */
284 quit_command (char *args, int from_tty)
286 if (!quit_confirm ())
287 error ("Not confirmed.");
288 quit_force (args, from_tty);
292 pwd_command (char *args, int from_tty)
295 error ("The \"pwd\" command does not take an argument: %s", args);
296 getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
298 if (strcmp (gdb_dirbuf, current_directory) != 0)
299 printf_unfiltered ("Working directory %s\n (canonically %s).\n",
300 current_directory, gdb_dirbuf);
302 printf_unfiltered ("Working directory %s.\n", current_directory);
306 cd_command (char *dir, int from_tty)
309 /* Found something other than leading repetitions of "/..". */
313 /* If the new directory is absolute, repeat is a no-op; if relative,
314 repeat might be useful but is more likely to be a mistake. */
318 error_no_arg ("new working directory");
320 dir = tilde_expand (dir);
321 make_cleanup (xfree, dir);
324 perror_with_name (dir);
326 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
327 /* There's too much mess with DOSish names like "d:", "d:.",
328 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
329 simply get the canonicalized name of the current directory. */
330 dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
334 if (IS_DIR_SEPARATOR (dir[len - 1]))
336 /* Remove the trailing slash unless this is a root directory
337 (including a drive letter on non-Unix systems). */
338 if (!(len == 1) /* "/" */
339 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
340 && !(len == 3 && dir[1] == ':') /* "d:/" */
346 dir = savestring (dir, len);
347 if (IS_ABSOLUTE_PATH (dir))
348 current_directory = dir;
351 if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1]))
352 current_directory = concat (current_directory, dir, NULL);
354 current_directory = concat (current_directory, SLASH_STRING, dir, NULL);
358 /* Now simplify any occurrences of `.' and `..' in the pathname. */
361 for (p = current_directory; *p;)
363 if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.'
364 && (p[2] == 0 || IS_DIR_SEPARATOR (p[2])))
366 else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.'
367 && (p[3] == 0 || IS_DIR_SEPARATOR (p[3])))
371 /* Search backwards for the directory just before the "/.."
372 and obliterate it and the "/..". */
374 while (q != current_directory && !IS_DIR_SEPARATOR (q[-1]))
377 if (q == current_directory)
378 /* current_directory is
379 a relative pathname ("can't happen"--leave it alone). */
383 strcpy (q - 1, p + 3);
388 /* We are dealing with leading repetitions of "/..", for example
389 "/../..", which is the Mach super-root. */
399 forget_cached_source_info ();
402 pwd_command ((char *) 0, 1);
406 source_command (char *args, int from_tty)
409 struct cleanup *old_cleanups;
414 error ("source command requires pathname of file to source.");
417 file = tilde_expand (file);
418 old_cleanups = make_cleanup (xfree, file);
420 stream = fopen (file, FOPEN_RT);
424 perror_with_name (file);
429 script_from_file (stream, file);
431 do_cleanups (old_cleanups);
435 echo_command (char *text, int from_tty)
441 while ((c = *p++) != '\0')
445 /* \ at end of argument is used after spaces
446 so they won't be lost. */
450 c = parse_escape (&p);
452 printf_filtered ("%c", c);
455 printf_filtered ("%c", c);
458 /* Force this output to appear now. */
460 gdb_flush (gdb_stdout);
464 shell_escape (char *arg, int from_tty)
467 /* If ARG is NULL, they want an inferior shell, but `system' just
468 reports if the shell is available when passed a NULL arg. */
469 int rc = system (arg ? arg : "");
472 arg = "inferior shell";
476 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg,
477 safe_strerror (errno));
478 gdb_flush (gdb_stderr);
482 fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc);
483 gdb_flush (gdb_stderr);
486 /* Make sure to return to the directory GDB thinks it is, in case the
487 shell command we just ran changed it. */
488 chdir (current_directory);
490 #else /* Can fork. */
493 if ((pid = vfork ()) == 0)
495 char *p, *user_shell;
497 if ((user_shell = (char *) getenv ("SHELL")) == NULL)
498 user_shell = "/bin/sh";
500 /* Get the name of the shell for arg0 */
501 if ((p = strrchr (user_shell, '/')) == NULL)
504 p++; /* Get past '/' */
507 execl (user_shell, p, (char *) 0);
509 execl (user_shell, p, "-c", arg, (char *) 0);
511 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell,
512 safe_strerror (errno));
513 gdb_flush (gdb_stderr);
518 while ((rc = wait (&status)) != pid && rc != -1)
521 error ("Fork failed");
522 #endif /* Can fork. */
526 edit_command (char *arg, int from_tty)
528 struct symtabs_and_lines sals;
529 struct symtab_and_line sal;
537 /* Pull in the current default source line if necessary */
540 set_default_source_symtab_and_line ();
541 sal = get_current_source_symtab_and_line ();
544 /* bare "edit" edits file with present line. */
549 error ("No default source file yet.");
550 sal.line += get_lines_to_list () / 2;
555 /* Now should only be one argument -- decode it in SAL */
558 sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
560 if (! sals.nelts) return; /* C++ */
561 if (sals.nelts > 1) {
562 ambiguous_line_spec (&sals);
571 error ("Junk at end of line specification.");
573 /* if line was specified by address,
574 first print exactly which line, and which file.
575 In this case, sal.symtab == 0 means address is outside
576 of all known source files, not that user failed to give a filename. */
580 /* FIXME-32x64--assumes sal.pc fits in long. */
581 error ("No source file for address %s.",
582 local_hex_string((unsigned long) sal.pc));
583 sym = find_pc_function (sal.pc);
586 print_address_numeric (sal.pc, 1, gdb_stdout);
587 printf_filtered (" is in ");
588 fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout);
589 printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
593 print_address_numeric (sal.pc, 1, gdb_stdout);
594 printf_filtered (" is at %s:%d.\n",
595 sal.symtab->filename, sal.line);
599 /* If what was given does not imply a symtab, it must be an undebuggable
600 symbol which means no source code. */
603 error ("No line number known for %s.", arg);
606 if ((editor = (char *) getenv ("EDITOR")) == NULL)
609 /* Approximate base-10 log of line to 1 unit for digit count */
610 for(log10=32, m=0x80000000; !(sal.line & m) && log10>0; log10--, m=m>>1);
611 log10 = 1 + (int)((log10 + (0 == ((m-1) & sal.line)))/3.32192809);
613 cmdlen = strlen(editor) + 1
614 + (NULL == sal.symtab->dirname ? 0 : strlen(sal.symtab->dirname) + 1)
615 + (NULL == sal.symtab->filename? 0 : strlen(sal.symtab->filename)+ 1)
619 sprintf(p,"%s +%d %s%s",editor,sal.line,
620 (NULL == sal.symtab->dirname ? "./" :
621 (NULL != sal.symtab->filename && *(sal.symtab->filename) != '/') ?
622 sal.symtab->dirname : ""),
623 (NULL == sal.symtab->filename ? "unknown" : sal.symtab->filename)
625 shell_escape(p, from_tty);
631 list_command (char *arg, int from_tty)
633 struct symtabs_and_lines sals, sals_end;
634 struct symtab_and_line sal, sal_end, cursal;
643 /* Pull in the current default source line if necessary */
644 if (arg == 0 || arg[0] == '+' || arg[0] == '-')
646 set_default_source_symtab_and_line ();
647 cursal = get_current_source_symtab_and_line ();
650 /* "l" or "l +" lists next ten lines. */
652 if (arg == 0 || strcmp (arg, "+") == 0)
654 print_source_lines (cursal.symtab, cursal.line,
655 cursal.line + get_lines_to_list (), 0);
659 /* "l -" lists previous ten lines, the ones before the ten just listed. */
660 if (strcmp (arg, "-") == 0)
662 print_source_lines (cursal.symtab,
663 max (get_first_line_listed () - get_lines_to_list (), 1),
664 get_first_line_listed (), 0);
668 /* Now if there is only one argument, decode it in SAL
670 If there are two arguments, decode them in SAL and SAL_END
671 and clear NO_END; however, if one of the arguments is blank,
672 set DUMMY_BEG or DUMMY_END to record that fact. */
674 if (!have_full_symbols () && !have_partial_symbols ())
675 error ("No symbol table is loaded. Use the \"file\" command.");
682 sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
688 ambiguous_line_spec (&sals);
697 /* Record whether the BEG arg is all digits. */
699 for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++);
700 linenum_beg = (p == arg1);
702 while (*arg1 == ' ' || *arg1 == '\t')
708 while (*arg1 == ' ' || *arg1 == '\t')
715 sals_end = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
717 sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0, 0);
718 if (sals_end.nelts == 0)
720 if (sals_end.nelts > 1)
722 ambiguous_line_spec (&sals_end);
723 xfree (sals_end.sals);
726 sal_end = sals_end.sals[0];
727 xfree (sals_end.sals);
732 error ("Junk at end of line specification.");
734 if (!no_end && !dummy_beg && !dummy_end
735 && sal.symtab != sal_end.symtab)
736 error ("Specified start and end are in different files.");
737 if (dummy_beg && dummy_end)
738 error ("Two empty args do not say what lines to list.");
740 /* if line was specified by address,
741 first print exactly which line, and which file.
742 In this case, sal.symtab == 0 means address is outside
743 of all known source files, not that user failed to give a filename. */
747 /* FIXME-32x64--assumes sal.pc fits in long. */
748 error ("No source file for address %s.",
749 local_hex_string ((unsigned long) sal.pc));
750 sym = find_pc_function (sal.pc);
753 print_address_numeric (sal.pc, 1, gdb_stdout);
754 printf_filtered (" is in ");
755 fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout);
756 printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
760 print_address_numeric (sal.pc, 1, gdb_stdout);
761 printf_filtered (" is at %s:%d.\n",
762 sal.symtab->filename, sal.line);
766 /* If line was not specified by just a line number,
767 and it does not imply a symtab, it must be an undebuggable symbol
768 which means no source code. */
770 if (!linenum_beg && sal.symtab == 0)
771 error ("No line number known for %s.", arg);
773 /* If this command is repeated with RET,
774 turn it into the no-arg variant. */
779 if (dummy_beg && sal_end.symtab == 0)
780 error ("No default source file yet. Do \"help list\".");
782 print_source_lines (sal_end.symtab,
783 max (sal_end.line - (get_lines_to_list () - 1), 1),
784 sal_end.line + 1, 0);
785 else if (sal.symtab == 0)
786 error ("No default source file yet. Do \"help list\".");
789 int first_line = sal.line - get_lines_to_list () / 2;
791 if (first_line < 1) first_line = 1;
793 print_source_lines (sal.symtab,
795 first_line + get_lines_to_list (),
799 print_source_lines (sal.symtab, sal.line,
801 ? sal.line + get_lines_to_list ()
806 /* Dump a specified section of assembly code. With no command line
807 arguments, this command will dump the assembly code for the
808 function surrounding the pc value in the selected frame. With one
809 argument, it will dump the assembly code surrounding that pc value.
810 Two arguments are interpeted as bounds within which to dump
814 disassemble_command (char *arg, int from_tty)
818 CORE_ADDR pc, pc_masked;
827 if (!deprecated_selected_frame)
828 error ("No frame selected.\n");
830 pc = get_frame_pc (deprecated_selected_frame);
831 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
832 error ("No function contains program counter for selected frame.\n");
834 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
837 low = tuiGetLowDisassemblyAddress (low, pc);
839 low += FUNCTION_START_OFFSET;
841 else if (!(space_index = (char *) strchr (arg, ' ')))
844 pc = parse_and_eval_address (arg);
845 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
846 error ("No function contains specified address.\n");
848 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
851 low = tuiGetLowDisassemblyAddress (low, pc);
853 low += FUNCTION_START_OFFSET;
859 low = parse_and_eval_address (arg);
860 high = parse_and_eval_address (space_index + 1);
864 if (!tui_is_window_visible (DISASSEM_WIN))
867 printf_filtered ("Dump of assembler code ");
870 printf_filtered ("for function %s:\n", name);
874 printf_filtered ("from ");
875 print_address_numeric (low, 1, gdb_stdout);
876 printf_filtered (" to ");
877 print_address_numeric (high, 1, gdb_stdout);
878 printf_filtered (":\n");
881 /* Dump the specified range. */
882 gdb_disassembly (uiout, 0, 0, 0, -1, low, high);
884 printf_filtered ("End of assembler dump.\n");
885 gdb_flush (gdb_stdout);
890 tui_show_assembly (low);
896 make_command (char *arg, int from_tty)
904 p = xmalloc (sizeof ("make ") + strlen (arg));
906 strcpy (p + sizeof ("make ") - 1, arg);
909 shell_escape (p, from_tty);
913 show_user (char *args, int from_tty)
915 struct cmd_list_element *c;
916 extern struct cmd_list_element *cmdlist;
920 c = lookup_cmd (&args, cmdlist, "", 0, 1);
921 if (c->class != class_user)
922 error ("Not a user command.");
923 show_user_1 (c, gdb_stdout);
927 for (c = cmdlist; c; c = c->next)
929 if (c->class == class_user)
930 show_user_1 (c, gdb_stdout);
935 /* Search through names of commands and documentations for a certain
939 apropos_command (char *searchstr, int from_tty)
941 extern struct cmd_list_element *cmdlist; /*This is the main command list*/
943 char *pattern_fastmap;
944 char errorbuffer[512];
945 pattern_fastmap = xcalloc (256, sizeof (char));
946 if (searchstr == NULL)
947 error("REGEXP string is empty");
949 if (regcomp(&pattern,searchstr,REG_ICASE) == 0)
951 pattern.fastmap=pattern_fastmap;
952 re_compile_fastmap(&pattern);
953 apropos_cmd (gdb_stdout,cmdlist,&pattern,"");
957 regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512);
958 error("Error in regular expression:%s",errorbuffer);
960 xfree (pattern_fastmap);
963 /* Print a list of files and line numbers which a user may choose from
964 in order to list a function which was specified ambiguously (as with
965 `list classname::overloadedfuncname', for example). The vector in
966 SALS provides the filenames and line numbers. */
969 ambiguous_line_spec (struct symtabs_and_lines *sals)
973 for (i = 0; i < sals->nelts; ++i)
974 printf_filtered ("file: \"%s\", line number: %d\n",
975 sals->sals[i].symtab->filename, sals->sals[i].line);
979 set_debug (char *arg, int from_tty)
981 printf_unfiltered ("\"set debug\" must be followed by the name of a print subcommand.\n");
982 help_list (setdebuglist, "set debug ", -1, gdb_stdout);
986 show_debug (char *args, int from_tty)
988 cmd_show_list (showdebuglist, from_tty, "");
992 init_cmd_lists (void)
994 max_user_call_depth = 1024;
1003 enablebreaklist = NULL;
1008 showhistlist = NULL;
1009 unsethistlist = NULL;
1010 maintenancelist = NULL;
1011 maintenanceinfolist = NULL;
1012 maintenanceprintlist = NULL;
1013 setprintlist = NULL;
1014 showprintlist = NULL;
1015 setchecklist = NULL;
1016 showchecklist = NULL;
1021 init_cli_cmds (void)
1023 struct cmd_list_element *c;
1025 /* Define the classes of commands.
1026 They will appear in the help list in the reverse of this order. */
1028 add_cmd ("internals", class_maintenance, NULL,
1029 "Maintenance commands.\n\
1030 Some gdb commands are provided just for use by gdb maintainers.\n\
1031 These commands are subject to frequent change, and may not be as\n\
1032 well documented as user commands.",
1034 add_cmd ("obscure", class_obscure, NULL, "Obscure features.", &cmdlist);
1035 add_cmd ("aliases", class_alias, NULL, "Aliases of other commands.", &cmdlist);
1036 add_cmd ("user-defined", class_user, NULL, "User-defined commands.\n\
1037 The commands in this class are those defined by the user.\n\
1038 Use the \"define\" command to define a command.", &cmdlist);
1039 add_cmd ("support", class_support, NULL, "Support facilities.", &cmdlist);
1041 add_cmd ("status", class_info, NULL, "Status inquiries.", &cmdlist);
1042 add_cmd ("files", class_files, NULL, "Specifying and examining files.", &cmdlist);
1043 add_cmd ("breakpoints", class_breakpoint, NULL, "Making program stop at certain points.", &cmdlist);
1044 add_cmd ("data", class_vars, NULL, "Examining data.", &cmdlist);
1045 add_cmd ("stack", class_stack, NULL, "Examining the stack.\n\
1046 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1047 counting from zero for the innermost (currently executing) frame.\n\n\
1048 At any time gdb identifies one frame as the \"selected\" frame.\n\
1049 Variable lookups are done with respect to the selected frame.\n\
1050 When the program being debugged stops, gdb selects the innermost frame.\n\
1051 The commands below can be used to select other frames by number or address.",
1053 add_cmd ("running", class_run, NULL, "Running the program.", &cmdlist);
1055 /* Define general commands. */
1057 add_com ("pwd", class_files, pwd_command,
1058 "Print working directory. This is used for your program as well.");
1059 c = add_cmd ("cd", class_files, cd_command,
1060 "Set working directory to DIR for debugger and program being debugged.\n\
1061 The change does not take effect for the program being debugged\n\
1062 until the next time it is started.", &cmdlist);
1063 set_cmd_completer (c, filename_completer);
1065 add_com ("echo", class_support, echo_command,
1066 "Print a constant string. Give string as argument.\n\
1067 C escape sequences may be used in the argument.\n\
1068 No newline is added at the end of the argument;\n\
1069 use \"\\n\" if you want a newline to be printed.\n\
1070 Since leading and trailing whitespace are ignored in command arguments,\n\
1071 if you want to print some you must use \"\\\" before leading whitespace\n\
1072 to be printed or after trailing whitespace.");
1073 add_com ("document", class_support, document_command,
1074 "Document a user-defined command.\n\
1075 Give command name as argument. Give documentation on following lines.\n\
1076 End with a line of just \"end\".");
1077 add_com ("define", class_support, define_command,
1078 "Define a new command name. Command name is argument.\n\
1079 Definition appears on following lines, one command per line.\n\
1080 End with a line of just \"end\".\n\
1081 Use the \"document\" command to give documentation for the new command.\n\
1082 Commands defined in this way may have up to ten arguments.");
1084 c = add_cmd ("source", class_support, source_command,
1085 "Read commands from a file named FILE.\n\
1086 Note that the file \"" GDBINIT_FILENAME "\" is read automatically in this way\n\
1087 when gdb is started.", &cmdlist);
1088 set_cmd_completer (c, filename_completer);
1090 add_com ("quit", class_support, quit_command, "Exit gdb.");
1091 c = add_com ("help", class_support, help_command, "Print list of commands.");
1092 set_cmd_completer (c, command_completer);
1093 add_com_alias ("q", "quit", class_support, 1);
1094 add_com_alias ("h", "help", class_support, 1);
1096 c = add_set_cmd ("verbose", class_support, var_boolean, (char *) &info_verbose,
1099 add_show_from_set (c, &showlist);
1100 set_cmd_sfunc (c, set_verbose);
1101 set_verbose (NULL, 0, c);
1103 add_prefix_cmd ("history", class_support, set_history,
1104 "Generic command for setting command history parameters.",
1105 &sethistlist, "set history ", 0, &setlist);
1106 add_prefix_cmd ("history", class_support, show_history,
1107 "Generic command for showing command history parameters.",
1108 &showhistlist, "show history ", 0, &showlist);
1111 (add_set_cmd ("expansion", no_class, var_boolean, (char *) &history_expansion_p,
1112 "Set history expansion on command input.\n\
1113 Without an argument, history expansion is enabled.", &sethistlist),
1116 add_prefix_cmd ("info", class_info, info_command,
1117 "Generic command for showing things about the program being debugged.",
1118 &infolist, "info ", 0, &cmdlist);
1119 add_com_alias ("i", "info", class_info, 1);
1121 add_com ("complete", class_obscure, complete_command,
1122 "List the completions for the rest of the line as a command.");
1124 add_prefix_cmd ("show", class_info, show_command,
1125 "Generic command for showing things about the debugger.",
1126 &showlist, "show ", 0, &cmdlist);
1127 /* Another way to get at the same thing. */
1128 add_info ("set", show_command, "Show all GDB settings.");
1130 add_cmd ("commands", no_class, show_commands,
1131 "Show the history of commands you typed.\n\
1132 You can supply a command number to start with, or a `+' to start after\n\
1133 the previous command number shown.",
1136 add_cmd ("version", no_class, show_version,
1137 "Show what version of GDB this is.", &showlist);
1139 add_com ("while", class_support, while_command,
1140 "Execute nested commands WHILE the conditional expression is non zero.\n\
1141 The conditional expression must follow the word `while' and must in turn be\n\
1142 followed by a new line. The nested commands must be entered one per line,\n\
1143 and should be terminated by the word `end'.");
1145 add_com ("if", class_support, if_command,
1146 "Execute nested commands once IF the conditional expression is non zero.\n\
1147 The conditional expression must follow the word `if' and must in turn be\n\
1148 followed by a new line. The nested commands must be entered one per line,\n\
1149 and should be terminated by the word 'else' or `end'. If an else clause\n\
1150 is used, the same rules apply to its nested commands as to the first ones.");
1152 /* If target is open when baud changes, it doesn't take effect until the
1153 next open (I think, not sure). */
1154 add_show_from_set (add_set_cmd ("remotebaud", no_class,
1155 var_zinteger, (char *) &baud_rate,
1156 "Set baud rate for remote serial I/O.\n\
1157 This value is used to set the speed of the serial port when debugging\n\
1158 using remote targets.", &setlist),
1161 c = add_set_cmd ("remotedebug", no_class, var_zinteger,
1162 (char *) &remote_debug,
1163 "Set debugging of remote protocol.\n\
1164 When enabled, each packet sent or received with the remote target\n\
1165 is displayed.", &setlist);
1166 deprecate_cmd (c, "set debug remote");
1167 deprecate_cmd (add_show_from_set (c, &showlist), "show debug remote");
1169 add_show_from_set (add_set_cmd ("remote", no_class, var_zinteger,
1170 (char *) &remote_debug,
1171 "Set debugging of remote protocol.\n\
1172 When enabled, each packet sent or received with the remote target\n\
1173 is displayed.", &setdebuglist),
1177 add_set_cmd ("remotetimeout", no_class, var_integer, (char *) &remote_timeout,
1178 "Set timeout limit to wait for target to respond.\n\
1179 This value is used to set the time limit for gdb to wait for a response\n\
1180 from the target.", &setlist),
1183 add_prefix_cmd ("debug", no_class, set_debug,
1184 "Generic command for setting gdb debugging flags",
1185 &setdebuglist, "set debug ", 0, &setlist);
1187 add_prefix_cmd ("debug", no_class, show_debug,
1188 "Generic command for showing gdb debugging flags",
1189 &showdebuglist, "show debug ", 0, &showlist);
1191 c = add_com ("shell", class_support, shell_escape,
1192 "Execute the rest of the line as a shell command.\n\
1193 With no arguments, run an inferior shell.");
1194 set_cmd_completer (c, filename_completer);
1196 c = add_com ("edit", class_files, edit_command,
1197 concat ("Edit specified file or function.\n\
1198 With no argument, edits file containing most recent line listed.\n\
1200 Editing targets can be specified in these ways:\n\
1201 FILE:LINENUM, to edit at that line in that file,\n\
1202 FUNCTION, to edit at the beginning of that function,\n\
1203 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1204 *ADDRESS, to edit at the line containing that address.\n\
1205 Uses EDITOR environment variable contents as editor (or ex as default).",NULL));
1207 c->completer = location_completer;
1209 add_com ("list", class_files, list_command,
1210 concat ("List specified function or line.\n\
1211 With no argument, lists ten more lines after or around previous listing.\n\
1212 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1213 One argument specifies a line, and ten lines are listed around that line.\n\
1214 Two arguments with comma between specify starting and ending lines to list.\n\
1216 Lines can be specified in these ways:\n\
1217 LINENUM, to list around that line in current file,\n\
1218 FILE:LINENUM, to list around that line in that file,\n\
1219 FUNCTION, to list around beginning of that function,\n\
1220 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1221 *ADDRESS, to list around the line containing that address.\n\
1222 With two args if one is empty it stands for ten lines away from the other arg.", NULL));
1225 add_com_alias ("l", "list", class_files, 1);
1227 add_com_alias ("v", "list", class_files, 1);
1230 add_com_alias ("file", "list", class_files, 1);
1232 c = add_com ("disassemble", class_vars, disassemble_command,
1233 "Disassemble a specified section of memory.\n\
1234 Default is the function surrounding the pc of the selected frame.\n\
1235 With a single argument, the function surrounding that address is dumped.\n\
1236 Two arguments are taken as a range of memory to dump.");
1237 set_cmd_completer (c, location_completer);
1239 add_com_alias ("va", "disassemble", class_xdb, 0);
1241 /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would
1242 be a really useful feature. Unfortunately, the below wont do
1243 this. Instead it adds support for the form ``(gdb) ! ls''
1244 (i.e. the space is required). If the ``!'' command below is
1245 added the complains about no ``!'' command would be replaced by
1246 complains about how the ``!'' command is broken :-) */
1248 add_com_alias ("!", "shell", class_support, 0);
1250 c = add_com ("make", class_support, make_command,
1251 "Run the ``make'' program using the rest of the line as arguments.");
1252 set_cmd_completer (c, filename_completer);
1253 add_cmd ("user", no_class, show_user,
1254 "Show definitions of user defined commands.\n\
1255 Argument is the name of the user defined command.\n\
1256 With no argument, show definitions of all user defined commands.", &showlist);
1257 add_com ("apropos", class_support, apropos_command, "Search for commands matching a REGEXP");
1260 add_set_cmd ("max-user-call-depth", no_class, var_integer,
1261 (char *) &max_user_call_depth,
1262 "Set the max call depth for user-defined commands.\n",