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 validate_comname (char *);
64 static void help_command (char *, int);
66 static void show_command (char *, int);
68 static void info_command (char *, int);
70 static void show_debug (char *, int);
72 static void set_debug (char *, int);
74 static void show_user (char *, int);
76 static void make_command (char *, int);
78 static void shell_escape (char *, int);
80 static void edit_command (char *, int);
82 static void list_command (char *, int);
84 void apropos_command (char *, int);
86 /* Prototypes for local utility functions */
88 static void ambiguous_line_spec (struct symtabs_and_lines *);
90 /* Limit the call depth of user-defined commands */
91 int max_user_call_depth;
93 /* Define all cmd_list_elements. */
95 /* Chain containing all defined commands. */
97 struct cmd_list_element *cmdlist;
99 /* Chain containing all defined info subcommands. */
101 struct cmd_list_element *infolist;
103 /* Chain containing all defined enable subcommands. */
105 struct cmd_list_element *enablelist;
107 /* Chain containing all defined disable subcommands. */
109 struct cmd_list_element *disablelist;
111 /* Chain containing all defined toggle subcommands. */
113 struct cmd_list_element *togglelist;
115 /* Chain containing all defined stop subcommands. */
117 struct cmd_list_element *stoplist;
119 /* Chain containing all defined delete subcommands. */
121 struct cmd_list_element *deletelist;
123 /* Chain containing all defined "enable breakpoint" subcommands. */
125 struct cmd_list_element *enablebreaklist;
127 /* Chain containing all defined set subcommands */
129 struct cmd_list_element *setlist;
131 /* Chain containing all defined unset subcommands */
133 struct cmd_list_element *unsetlist;
135 /* Chain containing all defined show subcommands. */
137 struct cmd_list_element *showlist;
139 /* Chain containing all defined \"set history\". */
141 struct cmd_list_element *sethistlist;
143 /* Chain containing all defined \"show history\". */
145 struct cmd_list_element *showhistlist;
147 /* Chain containing all defined \"unset history\". */
149 struct cmd_list_element *unsethistlist;
151 /* Chain containing all defined maintenance subcommands. */
153 struct cmd_list_element *maintenancelist;
155 /* Chain containing all defined "maintenance info" subcommands. */
157 struct cmd_list_element *maintenanceinfolist;
159 /* Chain containing all defined "maintenance print" subcommands. */
161 struct cmd_list_element *maintenanceprintlist;
163 struct cmd_list_element *setprintlist;
165 struct cmd_list_element *showprintlist;
167 struct cmd_list_element *setdebuglist;
169 struct cmd_list_element *showdebuglist;
171 struct cmd_list_element *setchecklist;
173 struct cmd_list_element *showchecklist;
175 /* Utility used everywhere when at least one argument is needed and
179 error_no_arg (char *why)
181 error ("Argument required (%s).", why);
184 /* The "info" command is defined as a prefix, with allow_unknown = 0.
185 Therefore, its own definition is called only for "info" with no args. */
188 info_command (char *arg, int from_tty)
190 printf_unfiltered ("\"info\" must be followed by the name of an info command.\n");
191 help_list (infolist, "info ", -1, gdb_stdout);
194 /* The "show" command with no arguments shows all the settings. */
197 show_command (char *arg, int from_tty)
199 cmd_show_list (showlist, from_tty, "");
202 /* Provide documentation on command or list given by COMMAND. FROM_TTY
206 help_command (char *command, int from_tty)
208 help_cmd (command, gdb_stdout);
211 /* String compare function for qsort. */
213 compare_strings (const void *arg1, const void *arg2)
215 const char **s1 = (const char **) arg1;
216 const char **s2 = (const char **) arg2;
217 return strcmp (*s1, *s2);
220 /* The "complete" command is used by Emacs to implement completion. */
223 complete_command (char *arg, int from_tty)
233 argpoint = strlen (arg);
235 completions = complete_line (arg, arg, argpoint);
241 for (size = 0; completions[size]; ++size)
243 qsort (completions, size, sizeof (char *), compare_strings);
245 /* We do extra processing here since we only want to print each
251 printf_unfiltered ("%s\n", completions[item]);
252 next_item = item + 1;
253 while (next_item < size
254 && ! strcmp (completions[item], completions[next_item]))
256 xfree (completions[next_item]);
260 xfree (completions[item]);
269 is_complete_command (struct cmd_list_element *c)
271 return cmd_cfunc_eq (c, complete_command);
275 show_version (char *args, int from_tty)
278 print_gdb_version (gdb_stdout);
279 printf_filtered ("\n");
283 /* Handle the quit command. */
286 quit_command (char *args, int from_tty)
288 if (!quit_confirm ())
289 error ("Not confirmed.");
290 quit_force (args, from_tty);
294 pwd_command (char *args, int from_tty)
297 error ("The \"pwd\" command does not take an argument: %s", args);
298 getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
300 if (strcmp (gdb_dirbuf, current_directory) != 0)
301 printf_unfiltered ("Working directory %s\n (canonically %s).\n",
302 current_directory, gdb_dirbuf);
304 printf_unfiltered ("Working directory %s.\n", current_directory);
308 cd_command (char *dir, int from_tty)
311 /* Found something other than leading repetitions of "/..". */
315 /* If the new directory is absolute, repeat is a no-op; if relative,
316 repeat might be useful but is more likely to be a mistake. */
320 error_no_arg ("new working directory");
322 dir = tilde_expand (dir);
323 make_cleanup (xfree, dir);
326 perror_with_name (dir);
328 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
329 /* There's too much mess with DOSish names like "d:", "d:.",
330 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
331 simply get the canonicalized name of the current directory. */
332 dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
336 if (IS_DIR_SEPARATOR (dir[len - 1]))
338 /* Remove the trailing slash unless this is a root directory
339 (including a drive letter on non-Unix systems). */
340 if (!(len == 1) /* "/" */
341 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
342 && !(len == 3 && dir[1] == ':') /* "d:/" */
348 dir = savestring (dir, len);
349 if (IS_ABSOLUTE_PATH (dir))
350 current_directory = dir;
353 if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1]))
354 current_directory = concat (current_directory, dir, NULL);
356 current_directory = concat (current_directory, SLASH_STRING, dir, NULL);
360 /* Now simplify any occurrences of `.' and `..' in the pathname. */
363 for (p = current_directory; *p;)
365 if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.'
366 && (p[2] == 0 || IS_DIR_SEPARATOR (p[2])))
368 else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.'
369 && (p[3] == 0 || IS_DIR_SEPARATOR (p[3])))
373 /* Search backwards for the directory just before the "/.."
374 and obliterate it and the "/..". */
376 while (q != current_directory && !IS_DIR_SEPARATOR (q[-1]))
379 if (q == current_directory)
380 /* current_directory is
381 a relative pathname ("can't happen"--leave it alone). */
385 strcpy (q - 1, p + 3);
390 /* We are dealing with leading repetitions of "/..", for example
391 "/../..", which is the Mach super-root. */
401 forget_cached_source_info ();
404 pwd_command ((char *) 0, 1);
408 source_command (char *args, int from_tty)
411 struct cleanup *old_cleanups;
416 error ("source command requires pathname of file to source.");
419 file = tilde_expand (file);
420 old_cleanups = make_cleanup (xfree, file);
422 stream = fopen (file, FOPEN_RT);
426 perror_with_name (file);
431 script_from_file (stream, file);
433 do_cleanups (old_cleanups);
437 echo_command (char *text, int from_tty)
443 while ((c = *p++) != '\0')
447 /* \ at end of argument is used after spaces
448 so they won't be lost. */
452 c = parse_escape (&p);
454 printf_filtered ("%c", c);
457 printf_filtered ("%c", c);
460 /* Force this output to appear now. */
462 gdb_flush (gdb_stdout);
466 shell_escape (char *arg, int from_tty)
469 /* If ARG is NULL, they want an inferior shell, but `system' just
470 reports if the shell is available when passed a NULL arg. */
471 int rc = system (arg ? arg : "");
474 arg = "inferior shell";
478 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg,
479 safe_strerror (errno));
480 gdb_flush (gdb_stderr);
484 fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc);
485 gdb_flush (gdb_stderr);
488 /* Make sure to return to the directory GDB thinks it is, in case the
489 shell command we just ran changed it. */
490 chdir (current_directory);
492 #else /* Can fork. */
495 if ((pid = vfork ()) == 0)
497 char *p, *user_shell;
499 if ((user_shell = (char *) getenv ("SHELL")) == NULL)
500 user_shell = "/bin/sh";
502 /* Get the name of the shell for arg0 */
503 if ((p = strrchr (user_shell, '/')) == NULL)
506 p++; /* Get past '/' */
509 execl (user_shell, p, 0);
511 execl (user_shell, p, "-c", arg, 0);
513 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell,
514 safe_strerror (errno));
515 gdb_flush (gdb_stderr);
520 while ((rc = wait (&status)) != pid && rc != -1)
523 error ("Fork failed");
524 #endif /* Can fork. */
528 edit_command (char *arg, int from_tty)
530 struct symtabs_and_lines sals;
531 struct symtab_and_line sal;
539 /* Pull in the current default source line if necessary */
542 set_default_source_symtab_and_line ();
543 sal = get_current_source_symtab_and_line ();
546 /* bare "edit" edits file with present line. */
551 error ("No default source file yet.");
552 sal.line += get_lines_to_list () / 2;
557 /* Now should only be one argument -- decode it in SAL */
560 sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
562 if (! sals.nelts) return; /* C++ */
563 if (sals.nelts > 1) {
564 ambiguous_line_spec (&sals);
573 error ("Junk at end of line specification.");
575 /* if line was specified by address,
576 first print exactly which line, and which file.
577 In this case, sal.symtab == 0 means address is outside
578 of all known source files, not that user failed to give a filename. */
582 /* FIXME-32x64--assumes sal.pc fits in long. */
583 error ("No source file for address %s.",
584 local_hex_string((unsigned long) sal.pc));
585 sym = find_pc_function (sal.pc);
588 print_address_numeric (sal.pc, 1, gdb_stdout);
589 printf_filtered (" is in ");
590 fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout);
591 printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
595 print_address_numeric (sal.pc, 1, gdb_stdout);
596 printf_filtered (" is at %s:%d.\n",
597 sal.symtab->filename, sal.line);
601 /* If what was given does not imply a symtab, it must be an undebuggable
602 symbol which means no source code. */
605 error ("No line number known for %s.", arg);
608 if ((editor = (char *) getenv ("EDITOR")) == NULL)
611 /* Approximate base-10 log of line to 1 unit for digit count */
612 for(log10=32, m=0x80000000; !(sal.line & m) && log10>0; log10--, m=m>>1);
613 log10 = 1 + (int)((log10 + (0 == ((m-1) & sal.line)))/3.32192809);
615 cmdlen = strlen(editor) + 1
616 + (NULL == sal.symtab->dirname ? 0 : strlen(sal.symtab->dirname) + 1)
617 + (NULL == sal.symtab->filename? 0 : strlen(sal.symtab->filename)+ 1)
621 sprintf(p,"%s +%d %s%s",editor,sal.line,
622 (NULL == sal.symtab->dirname ? "./" :
623 (NULL != sal.symtab->filename && *(sal.symtab->filename) != '/') ?
624 sal.symtab->dirname : ""),
625 (NULL == sal.symtab->filename ? "unknown" : sal.symtab->filename)
627 shell_escape(p, from_tty);
633 list_command (char *arg, int from_tty)
635 struct symtabs_and_lines sals, sals_end;
636 struct symtab_and_line sal, sal_end, cursal;
645 /* Pull in the current default source line if necessary */
646 if (arg == 0 || arg[0] == '+' || arg[0] == '-')
648 set_default_source_symtab_and_line ();
649 cursal = get_current_source_symtab_and_line ();
652 /* "l" or "l +" lists next ten lines. */
654 if (arg == 0 || strcmp (arg, "+") == 0)
656 print_source_lines (cursal.symtab, cursal.line,
657 cursal.line + get_lines_to_list (), 0);
661 /* "l -" lists previous ten lines, the ones before the ten just listed. */
662 if (strcmp (arg, "-") == 0)
664 print_source_lines (cursal.symtab,
665 max (get_first_line_listed () - get_lines_to_list (), 1),
666 get_first_line_listed (), 0);
670 /* Now if there is only one argument, decode it in SAL
672 If there are two arguments, decode them in SAL and SAL_END
673 and clear NO_END; however, if one of the arguments is blank,
674 set DUMMY_BEG or DUMMY_END to record that fact. */
676 if (!have_full_symbols () && !have_partial_symbols ())
677 error ("No symbol table is loaded. Use the \"file\" command.");
684 sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
690 ambiguous_line_spec (&sals);
699 /* Record whether the BEG arg is all digits. */
701 for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++);
702 linenum_beg = (p == arg1);
704 while (*arg1 == ' ' || *arg1 == '\t')
710 while (*arg1 == ' ' || *arg1 == '\t')
717 sals_end = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
719 sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0, 0);
720 if (sals_end.nelts == 0)
722 if (sals_end.nelts > 1)
724 ambiguous_line_spec (&sals_end);
725 xfree (sals_end.sals);
728 sal_end = sals_end.sals[0];
729 xfree (sals_end.sals);
734 error ("Junk at end of line specification.");
736 if (!no_end && !dummy_beg && !dummy_end
737 && sal.symtab != sal_end.symtab)
738 error ("Specified start and end are in different files.");
739 if (dummy_beg && dummy_end)
740 error ("Two empty args do not say what lines to list.");
742 /* if line was specified by address,
743 first print exactly which line, and which file.
744 In this case, sal.symtab == 0 means address is outside
745 of all known source files, not that user failed to give a filename. */
749 /* FIXME-32x64--assumes sal.pc fits in long. */
750 error ("No source file for address %s.",
751 local_hex_string ((unsigned long) sal.pc));
752 sym = find_pc_function (sal.pc);
755 print_address_numeric (sal.pc, 1, gdb_stdout);
756 printf_filtered (" is in ");
757 fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout);
758 printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
762 print_address_numeric (sal.pc, 1, gdb_stdout);
763 printf_filtered (" is at %s:%d.\n",
764 sal.symtab->filename, sal.line);
768 /* If line was not specified by just a line number,
769 and it does not imply a symtab, it must be an undebuggable symbol
770 which means no source code. */
772 if (!linenum_beg && sal.symtab == 0)
773 error ("No line number known for %s.", arg);
775 /* If this command is repeated with RET,
776 turn it into the no-arg variant. */
781 if (dummy_beg && sal_end.symtab == 0)
782 error ("No default source file yet. Do \"help list\".");
784 print_source_lines (sal_end.symtab,
785 max (sal_end.line - (get_lines_to_list () - 1), 1),
786 sal_end.line + 1, 0);
787 else if (sal.symtab == 0)
788 error ("No default source file yet. Do \"help list\".");
791 int first_line = sal.line - get_lines_to_list () / 2;
793 if (first_line < 1) first_line = 1;
795 print_source_lines (sal.symtab,
797 first_line + get_lines_to_list (),
801 print_source_lines (sal.symtab, sal.line,
803 ? sal.line + get_lines_to_list ()
808 /* Dump a specified section of assembly code. With no command line
809 arguments, this command will dump the assembly code for the
810 function surrounding the pc value in the selected frame. With one
811 argument, it will dump the assembly code surrounding that pc value.
812 Two arguments are interpeted as bounds within which to dump
816 disassemble_command (char *arg, int from_tty)
820 CORE_ADDR pc, pc_masked;
829 if (!deprecated_selected_frame)
830 error ("No frame selected.\n");
832 pc = get_frame_pc (deprecated_selected_frame);
833 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
834 error ("No function contains program counter for selected frame.\n");
836 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
839 low = tuiGetLowDisassemblyAddress (low, pc);
841 low += FUNCTION_START_OFFSET;
843 else if (!(space_index = (char *) strchr (arg, ' ')))
846 pc = parse_and_eval_address (arg);
847 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
848 error ("No function contains specified address.\n");
850 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
853 low = tuiGetLowDisassemblyAddress (low, pc);
855 low += FUNCTION_START_OFFSET;
861 low = parse_and_eval_address (arg);
862 high = parse_and_eval_address (space_index + 1);
866 if (!tui_is_window_visible (DISASSEM_WIN))
869 printf_filtered ("Dump of assembler code ");
872 printf_filtered ("for function %s:\n", name);
876 printf_filtered ("from ");
877 print_address_numeric (low, 1, gdb_stdout);
878 printf_filtered (" to ");
879 print_address_numeric (high, 1, gdb_stdout);
880 printf_filtered (":\n");
883 /* Dump the specified range. */
884 gdb_disassembly (uiout, 0, 0, 0, -1, low, high);
886 printf_filtered ("End of assembler dump.\n");
887 gdb_flush (gdb_stdout);
892 tui_show_assembly (low);
898 make_command (char *arg, int from_tty)
906 p = xmalloc (sizeof ("make ") + strlen (arg));
908 strcpy (p + sizeof ("make ") - 1, arg);
911 shell_escape (p, from_tty);
915 show_user (char *args, int from_tty)
917 struct cmd_list_element *c;
918 extern struct cmd_list_element *cmdlist;
922 c = lookup_cmd (&args, cmdlist, "", 0, 1);
923 if (c->class != class_user)
924 error ("Not a user command.");
925 show_user_1 (c, gdb_stdout);
929 for (c = cmdlist; c; c = c->next)
931 if (c->class == class_user)
932 show_user_1 (c, gdb_stdout);
937 /* Search through names of commands and documentations for a certain
941 apropos_command (char *searchstr, int from_tty)
943 extern struct cmd_list_element *cmdlist; /*This is the main command list*/
945 char *pattern_fastmap;
946 char errorbuffer[512];
947 pattern_fastmap = xcalloc (256, sizeof (char));
948 if (searchstr == NULL)
949 error("REGEXP string is empty");
951 if (regcomp(&pattern,searchstr,REG_ICASE) == 0)
953 pattern.fastmap=pattern_fastmap;
954 re_compile_fastmap(&pattern);
955 apropos_cmd (gdb_stdout,cmdlist,&pattern,"");
959 regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512);
960 error("Error in regular expression:%s",errorbuffer);
962 xfree (pattern_fastmap);
965 /* Print a list of files and line numbers which a user may choose from
966 in order to list a function which was specified ambiguously (as with
967 `list classname::overloadedfuncname', for example). The vector in
968 SALS provides the filenames and line numbers. */
971 ambiguous_line_spec (struct symtabs_and_lines *sals)
975 for (i = 0; i < sals->nelts; ++i)
976 printf_filtered ("file: \"%s\", line number: %d\n",
977 sals->sals[i].symtab->filename, sals->sals[i].line);
981 set_debug (char *arg, int from_tty)
983 printf_unfiltered ("\"set debug\" must be followed by the name of a print subcommand.\n");
984 help_list (setdebuglist, "set debug ", -1, gdb_stdout);
988 show_debug (char *args, int from_tty)
990 cmd_show_list (showdebuglist, from_tty, "");
994 init_cmd_lists (void)
996 max_user_call_depth = 1024;
1005 enablebreaklist = NULL;
1010 showhistlist = NULL;
1011 unsethistlist = NULL;
1012 maintenancelist = NULL;
1013 maintenanceinfolist = NULL;
1014 maintenanceprintlist = NULL;
1015 setprintlist = NULL;
1016 showprintlist = NULL;
1017 setchecklist = NULL;
1018 showchecklist = NULL;
1023 init_cli_cmds (void)
1025 struct cmd_list_element *c;
1027 /* Define the classes of commands.
1028 They will appear in the help list in the reverse of this order. */
1030 add_cmd ("internals", class_maintenance, NULL,
1031 "Maintenance commands.\n\
1032 Some gdb commands are provided just for use by gdb maintainers.\n\
1033 These commands are subject to frequent change, and may not be as\n\
1034 well documented as user commands.",
1036 add_cmd ("obscure", class_obscure, NULL, "Obscure features.", &cmdlist);
1037 add_cmd ("aliases", class_alias, NULL, "Aliases of other commands.", &cmdlist);
1038 add_cmd ("user-defined", class_user, NULL, "User-defined commands.\n\
1039 The commands in this class are those defined by the user.\n\
1040 Use the \"define\" command to define a command.", &cmdlist);
1041 add_cmd ("support", class_support, NULL, "Support facilities.", &cmdlist);
1043 add_cmd ("status", class_info, NULL, "Status inquiries.", &cmdlist);
1044 add_cmd ("files", class_files, NULL, "Specifying and examining files.", &cmdlist);
1045 add_cmd ("breakpoints", class_breakpoint, NULL, "Making program stop at certain points.", &cmdlist);
1046 add_cmd ("data", class_vars, NULL, "Examining data.", &cmdlist);
1047 add_cmd ("stack", class_stack, NULL, "Examining the stack.\n\
1048 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1049 counting from zero for the innermost (currently executing) frame.\n\n\
1050 At any time gdb identifies one frame as the \"selected\" frame.\n\
1051 Variable lookups are done with respect to the selected frame.\n\
1052 When the program being debugged stops, gdb selects the innermost frame.\n\
1053 The commands below can be used to select other frames by number or address.",
1055 add_cmd ("running", class_run, NULL, "Running the program.", &cmdlist);
1057 /* Define general commands. */
1059 add_com ("pwd", class_files, pwd_command,
1060 "Print working directory. This is used for your program as well.");
1061 c = add_cmd ("cd", class_files, cd_command,
1062 "Set working directory to DIR for debugger and program being debugged.\n\
1063 The change does not take effect for the program being debugged\n\
1064 until the next time it is started.", &cmdlist);
1065 set_cmd_completer (c, filename_completer);
1067 add_com ("echo", class_support, echo_command,
1068 "Print a constant string. Give string as argument.\n\
1069 C escape sequences may be used in the argument.\n\
1070 No newline is added at the end of the argument;\n\
1071 use \"\\n\" if you want a newline to be printed.\n\
1072 Since leading and trailing whitespace are ignored in command arguments,\n\
1073 if you want to print some you must use \"\\\" before leading whitespace\n\
1074 to be printed or after trailing whitespace.");
1075 add_com ("document", class_support, document_command,
1076 "Document a user-defined command.\n\
1077 Give command name as argument. Give documentation on following lines.\n\
1078 End with a line of just \"end\".");
1079 add_com ("define", class_support, define_command,
1080 "Define a new command name. Command name is argument.\n\
1081 Definition appears on following lines, one command per line.\n\
1082 End with a line of just \"end\".\n\
1083 Use the \"document\" command to give documentation for the new command.\n\
1084 Commands defined in this way may have up to ten arguments.");
1086 c = add_cmd ("source", class_support, source_command,
1087 "Read commands from a file named FILE.\n\
1088 Note that the file \"" GDBINIT_FILENAME "\" is read automatically in this way\n\
1089 when gdb is started.", &cmdlist);
1090 set_cmd_completer (c, filename_completer);
1092 add_com ("quit", class_support, quit_command, "Exit gdb.");
1093 c = add_com ("help", class_support, help_command, "Print list of commands.");
1094 set_cmd_completer (c, command_completer);
1095 add_com_alias ("q", "quit", class_support, 1);
1096 add_com_alias ("h", "help", class_support, 1);
1098 c = add_set_cmd ("verbose", class_support, var_boolean, (char *) &info_verbose,
1101 add_show_from_set (c, &showlist);
1102 set_cmd_sfunc (c, set_verbose);
1103 set_verbose (NULL, 0, c);
1105 add_prefix_cmd ("history", class_support, set_history,
1106 "Generic command for setting command history parameters.",
1107 &sethistlist, "set history ", 0, &setlist);
1108 add_prefix_cmd ("history", class_support, show_history,
1109 "Generic command for showing command history parameters.",
1110 &showhistlist, "show history ", 0, &showlist);
1113 (add_set_cmd ("expansion", no_class, var_boolean, (char *) &history_expansion_p,
1114 "Set history expansion on command input.\n\
1115 Without an argument, history expansion is enabled.", &sethistlist),
1118 add_prefix_cmd ("info", class_info, info_command,
1119 "Generic command for showing things about the program being debugged.",
1120 &infolist, "info ", 0, &cmdlist);
1121 add_com_alias ("i", "info", class_info, 1);
1123 add_com ("complete", class_obscure, complete_command,
1124 "List the completions for the rest of the line as a command.");
1126 add_prefix_cmd ("show", class_info, show_command,
1127 "Generic command for showing things about the debugger.",
1128 &showlist, "show ", 0, &cmdlist);
1129 /* Another way to get at the same thing. */
1130 add_info ("set", show_command, "Show all GDB settings.");
1132 add_cmd ("commands", no_class, show_commands,
1133 "Show the history of commands you typed.\n\
1134 You can supply a command number to start with, or a `+' to start after\n\
1135 the previous command number shown.",
1138 add_cmd ("version", no_class, show_version,
1139 "Show what version of GDB this is.", &showlist);
1141 add_com ("while", class_support, while_command,
1142 "Execute nested commands WHILE the conditional expression is non zero.\n\
1143 The conditional expression must follow the word `while' and must in turn be\n\
1144 followed by a new line. The nested commands must be entered one per line,\n\
1145 and should be terminated by the word `end'.");
1147 add_com ("if", class_support, if_command,
1148 "Execute nested commands once IF the conditional expression is non zero.\n\
1149 The conditional expression must follow the word `if' and must in turn be\n\
1150 followed by a new line. The nested commands must be entered one per line,\n\
1151 and should be terminated by the word 'else' or `end'. If an else clause\n\
1152 is used, the same rules apply to its nested commands as to the first ones.");
1154 /* If target is open when baud changes, it doesn't take effect until the
1155 next open (I think, not sure). */
1156 add_show_from_set (add_set_cmd ("remotebaud", no_class,
1157 var_zinteger, (char *) &baud_rate,
1158 "Set baud rate for remote serial I/O.\n\
1159 This value is used to set the speed of the serial port when debugging\n\
1160 using remote targets.", &setlist),
1163 c = add_set_cmd ("remotedebug", no_class, var_zinteger,
1164 (char *) &remote_debug,
1165 "Set debugging of remote protocol.\n\
1166 When enabled, each packet sent or received with the remote target\n\
1167 is displayed.", &setlist);
1168 deprecate_cmd (c, "set debug remote");
1169 deprecate_cmd (add_show_from_set (c, &showlist), "show debug remote");
1171 add_show_from_set (add_set_cmd ("remote", no_class, var_zinteger,
1172 (char *) &remote_debug,
1173 "Set debugging of remote protocol.\n\
1174 When enabled, each packet sent or received with the remote target\n\
1175 is displayed.", &setdebuglist),
1179 add_set_cmd ("remotetimeout", no_class, var_integer, (char *) &remote_timeout,
1180 "Set timeout limit to wait for target to respond.\n\
1181 This value is used to set the time limit for gdb to wait for a response\n\
1182 from the target.", &setlist),
1185 add_prefix_cmd ("debug", no_class, set_debug,
1186 "Generic command for setting gdb debugging flags",
1187 &setdebuglist, "set debug ", 0, &setlist);
1189 add_prefix_cmd ("debug", no_class, show_debug,
1190 "Generic command for showing gdb debugging flags",
1191 &showdebuglist, "show debug ", 0, &showlist);
1193 c = add_com ("shell", class_support, shell_escape,
1194 "Execute the rest of the line as a shell command.\n\
1195 With no arguments, run an inferior shell.");
1196 set_cmd_completer (c, filename_completer);
1198 c = add_com ("edit", class_files, edit_command,
1199 concat ("Edit specified file or function.\n\
1200 With no argument, edits file containing most recent line listed.\n\
1202 Editing targets can be specified in these ways:\n\
1203 FILE:LINENUM, to edit at that line in that file,\n\
1204 FUNCTION, to edit at the beginning of that function,\n\
1205 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1206 *ADDRESS, to edit at the line containing that address.\n\
1207 Uses EDITOR environment variable contents as editor (or ex as default).",NULL));
1209 c->completer = location_completer;
1211 add_com ("list", class_files, list_command,
1212 concat ("List specified function or line.\n\
1213 With no argument, lists ten more lines after or around previous listing.\n\
1214 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1215 One argument specifies a line, and ten lines are listed around that line.\n\
1216 Two arguments with comma between specify starting and ending lines to list.\n\
1218 Lines can be specified in these ways:\n\
1219 LINENUM, to list around that line in current file,\n\
1220 FILE:LINENUM, to list around that line in that file,\n\
1221 FUNCTION, to list around beginning of that function,\n\
1222 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1223 *ADDRESS, to list around the line containing that address.\n\
1224 With two args if one is empty it stands for ten lines away from the other arg.", NULL));
1227 add_com_alias ("l", "list", class_files, 1);
1229 add_com_alias ("v", "list", class_files, 1);
1232 add_com_alias ("file", "list", class_files, 1);
1234 c = add_com ("disassemble", class_vars, disassemble_command,
1235 "Disassemble a specified section of memory.\n\
1236 Default is the function surrounding the pc of the selected frame.\n\
1237 With a single argument, the function surrounding that address is dumped.\n\
1238 Two arguments are taken as a range of memory to dump.");
1239 set_cmd_completer (c, location_completer);
1241 add_com_alias ("va", "disassemble", class_xdb, 0);
1243 /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would
1244 be a really useful feature. Unfortunately, the below wont do
1245 this. Instead it adds support for the form ``(gdb) ! ls''
1246 (i.e. the space is required). If the ``!'' command below is
1247 added the complains about no ``!'' command would be replaced by
1248 complains about how the ``!'' command is broken :-) */
1250 add_com_alias ("!", "shell", class_support, 0);
1252 c = add_com ("make", class_support, make_command,
1253 "Run the ``make'' program using the rest of the line as arguments.");
1254 set_cmd_completer (c, filename_completer);
1255 add_cmd ("user", no_class, show_user,
1256 "Show definitions of user defined commands.\n\
1257 Argument is the name of the user defined command.\n\
1258 With no argument, show definitions of all user defined commands.", &showlist);
1259 add_com ("apropos", class_support, apropos_command, "Search for commands matching a REGEXP");
1262 add_set_cmd ("max-user-call-depth", no_class, var_integer,
1263 (char *) &max_user_call_depth,
1264 "Set the max call depth for user-defined commands.\n",