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 <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"
30 #include "expression.h"
34 #include "filenames.h" /* for DOSish file names */
42 #include "cli/cli-decode.h"
43 #include "cli/cli-script.h"
44 #include "cli/cli-setshow.h"
45 #include "cli/cli-cmds.h"
47 #ifndef GDBINIT_FILENAME
48 #define GDBINIT_FILENAME ".gdbinit"
53 extern void dont_repeat (void);
55 extern void set_verbose (char *, int, struct cmd_list_element *);
57 extern void show_history (char *, int);
59 extern void set_history (char *, int);
61 extern void show_commands (char *, int);
63 /* Prototypes for local command functions */
65 static void complete_command (char *, int);
67 static void echo_command (char *, int);
69 static void pwd_command (char *, int);
71 static void show_version (char *, int);
73 static void validate_comname (char *);
75 static void help_command (char *, int);
77 static void show_command (char *, int);
79 static void info_command (char *, int);
81 static void show_debug (char *, int);
83 static void set_debug (char *, int);
85 static void show_user (char *, int);
87 static void make_command (char *, int);
89 static void shell_escape (char *, int);
91 static void edit_command (char *, int);
93 static void list_command (char *, int);
95 void apropos_command (char *, int);
97 /* Prototypes for local utility functions */
99 static void ambiguous_line_spec (struct symtabs_and_lines *);
101 /* Limit the call depth of user-defined commands */
102 int max_user_call_depth;
104 /* Define all cmd_list_elements. */
106 /* Chain containing all defined commands. */
108 struct cmd_list_element *cmdlist;
110 /* Chain containing all defined info subcommands. */
112 struct cmd_list_element *infolist;
114 /* Chain containing all defined enable subcommands. */
116 struct cmd_list_element *enablelist;
118 /* Chain containing all defined disable subcommands. */
120 struct cmd_list_element *disablelist;
122 /* Chain containing all defined toggle subcommands. */
124 struct cmd_list_element *togglelist;
126 /* Chain containing all defined stop subcommands. */
128 struct cmd_list_element *stoplist;
130 /* Chain containing all defined delete subcommands. */
132 struct cmd_list_element *deletelist;
134 /* Chain containing all defined "enable breakpoint" subcommands. */
136 struct cmd_list_element *enablebreaklist;
138 /* Chain containing all defined set subcommands */
140 struct cmd_list_element *setlist;
142 /* Chain containing all defined unset subcommands */
144 struct cmd_list_element *unsetlist;
146 /* Chain containing all defined show subcommands. */
148 struct cmd_list_element *showlist;
150 /* Chain containing all defined \"set history\". */
152 struct cmd_list_element *sethistlist;
154 /* Chain containing all defined \"show history\". */
156 struct cmd_list_element *showhistlist;
158 /* Chain containing all defined \"unset history\". */
160 struct cmd_list_element *unsethistlist;
162 /* Chain containing all defined maintenance subcommands. */
164 struct cmd_list_element *maintenancelist;
166 /* Chain containing all defined "maintenance info" subcommands. */
168 struct cmd_list_element *maintenanceinfolist;
170 /* Chain containing all defined "maintenance print" subcommands. */
172 struct cmd_list_element *maintenanceprintlist;
174 struct cmd_list_element *setprintlist;
176 struct cmd_list_element *showprintlist;
178 struct cmd_list_element *setdebuglist;
180 struct cmd_list_element *showdebuglist;
182 struct cmd_list_element *setchecklist;
184 struct cmd_list_element *showchecklist;
186 /* Utility used everywhere when at least one argument is needed and
190 error_no_arg (char *why)
192 error ("Argument required (%s).", why);
195 /* The "info" command is defined as a prefix, with allow_unknown = 0.
196 Therefore, its own definition is called only for "info" with no args. */
200 info_command (char *arg, int from_tty)
202 printf_unfiltered ("\"info\" must be followed by the name of an info command.\n");
203 help_list (infolist, "info ", -1, gdb_stdout);
206 /* The "show" command with no arguments shows all the settings. */
210 show_command (char *arg, int from_tty)
212 cmd_show_list (showlist, from_tty, "");
215 /* Provide documentation on command or list given by COMMAND. FROM_TTY
220 help_command (char *command, int from_tty)
222 help_cmd (command, gdb_stdout);
225 /* String compare function for qsort. */
227 compare_strings (const void *arg1, const void *arg2)
229 const char **s1 = (const char **) arg1;
230 const char **s2 = (const char **) arg2;
231 return strcmp (*s1, *s2);
234 /* The "complete" command is used by Emacs to implement completion. */
238 complete_command (char *arg, int from_tty)
248 argpoint = strlen (arg);
250 completions = complete_line (arg, arg, argpoint);
256 for (size = 0; completions[size]; ++size)
258 qsort (completions, size, sizeof (char *), compare_strings);
260 /* We do extra processing here since we only want to print each
266 printf_unfiltered ("%s\n", completions[item]);
267 next_item = item + 1;
268 while (next_item < size
269 && ! strcmp (completions[item], completions[next_item]))
271 xfree (completions[next_item]);
275 xfree (completions[item]);
284 is_complete_command (struct cmd_list_element *c)
286 return cmd_cfunc_eq (c, complete_command);
291 show_version (char *args, int from_tty)
294 print_gdb_version (gdb_stdout);
295 printf_filtered ("\n");
299 /* Handle the quit command. */
302 quit_command (char *args, int from_tty)
304 if (!quit_confirm ())
305 error ("Not confirmed.");
306 quit_force (args, from_tty);
311 pwd_command (char *args, int from_tty)
314 error ("The \"pwd\" command does not take an argument: %s", args);
315 getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
317 if (!STREQ (gdb_dirbuf, current_directory))
318 printf_unfiltered ("Working directory %s\n (canonically %s).\n",
319 current_directory, gdb_dirbuf);
321 printf_unfiltered ("Working directory %s.\n", current_directory);
325 cd_command (char *dir, int from_tty)
328 /* Found something other than leading repetitions of "/..". */
332 /* If the new directory is absolute, repeat is a no-op; if relative,
333 repeat might be useful but is more likely to be a mistake. */
337 error_no_arg ("new working directory");
339 dir = tilde_expand (dir);
340 make_cleanup (xfree, dir);
343 perror_with_name (dir);
345 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
346 /* There's too much mess with DOSish names like "d:", "d:.",
347 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
348 simply get the canonicalized name of the current directory. */
349 dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
353 if (IS_DIR_SEPARATOR (dir[len - 1]))
355 /* Remove the trailing slash unless this is a root directory
356 (including a drive letter on non-Unix systems). */
357 if (!(len == 1) /* "/" */
358 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
359 && !(len == 3 && dir[1] == ':') /* "d:/" */
365 dir = savestring (dir, len);
366 if (IS_ABSOLUTE_PATH (dir))
367 current_directory = dir;
370 if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1]))
371 current_directory = concat (current_directory, dir, NULL);
373 current_directory = concat (current_directory, SLASH_STRING, dir, NULL);
377 /* Now simplify any occurrences of `.' and `..' in the pathname. */
380 for (p = current_directory; *p;)
382 if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.'
383 && (p[2] == 0 || IS_DIR_SEPARATOR (p[2])))
385 else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.'
386 && (p[3] == 0 || IS_DIR_SEPARATOR (p[3])))
390 /* Search backwards for the directory just before the "/.."
391 and obliterate it and the "/..". */
393 while (q != current_directory && !IS_DIR_SEPARATOR (q[-1]))
396 if (q == current_directory)
397 /* current_directory is
398 a relative pathname ("can't happen"--leave it alone). */
402 strcpy (q - 1, p + 3);
407 /* We are dealing with leading repetitions of "/..", for example
408 "/../..", which is the Mach super-root. */
418 forget_cached_source_info ();
421 pwd_command ((char *) 0, 1);
425 source_command (char *args, int from_tty)
428 struct cleanup *old_cleanups;
433 error ("source command requires pathname of file to source.");
436 file = tilde_expand (file);
437 old_cleanups = make_cleanup (xfree, file);
439 stream = fopen (file, FOPEN_RT);
443 perror_with_name (file);
448 script_from_file (stream, file);
450 do_cleanups (old_cleanups);
455 echo_command (char *text, int from_tty)
461 while ((c = *p++) != '\0')
465 /* \ at end of argument is used after spaces
466 so they won't be lost. */
470 c = parse_escape (&p);
472 printf_filtered ("%c", c);
475 printf_filtered ("%c", c);
478 /* Force this output to appear now. */
480 gdb_flush (gdb_stdout);
485 shell_escape (char *arg, int from_tty)
488 /* If ARG is NULL, they want an inferior shell, but `system' just
489 reports if the shell is available when passed a NULL arg. */
490 int rc = system (arg ? arg : "");
493 arg = "inferior shell";
497 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg,
498 safe_strerror (errno));
499 gdb_flush (gdb_stderr);
503 fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc);
504 gdb_flush (gdb_stderr);
507 /* Make sure to return to the directory GDB thinks it is, in case the
508 shell command we just ran changed it. */
509 chdir (current_directory);
511 #else /* Can fork. */
513 char *p, *user_shell;
515 if ((user_shell = (char *) getenv ("SHELL")) == NULL)
516 user_shell = "/bin/sh";
518 /* Get the name of the shell for arg0 */
519 if ((p = strrchr (user_shell, '/')) == NULL)
522 p++; /* Get past '/' */
524 if ((pid = fork ()) == 0)
527 execl (user_shell, p, 0);
529 execl (user_shell, p, "-c", arg, 0);
531 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell,
532 safe_strerror (errno));
533 gdb_flush (gdb_stderr);
538 while ((rc = wait (&status)) != pid && rc != -1)
541 error ("Fork failed");
542 #endif /* Can fork. */
546 edit_command (char *arg, int from_tty)
548 struct symtabs_and_lines sals;
549 struct symtab_and_line sal;
557 /* Pull in the current default source line if necessary */
560 set_default_source_symtab_and_line ();
561 sal = get_current_source_symtab_and_line ();
564 /* bare "edit" edits file with present line. */
569 error ("No default source file yet.");
570 sal.line += get_lines_to_list () / 2;
575 /* Now should only be one argument -- decode it in SAL */
578 sals = decode_line_1 (&arg1, 0, 0, 0, 0);
580 if (! sals.nelts) return; /* C++ */
581 if (sals.nelts > 1) {
582 ambiguous_line_spec (&sals);
591 error ("Junk at end of line specification.");
593 /* if line was specified by address,
594 first print exactly which line, and which file.
595 In this case, sal.symtab == 0 means address is outside
596 of all known source files, not that user failed to give a filename. */
600 /* FIXME-32x64--assumes sal.pc fits in long. */
601 error ("No source file for address %s.",
602 local_hex_string((unsigned long) sal.pc));
603 sym = find_pc_function (sal.pc);
606 print_address_numeric (sal.pc, 1, gdb_stdout);
607 printf_filtered (" is in ");
608 fputs_filtered (SYMBOL_SOURCE_NAME (sym), gdb_stdout);
609 printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
613 print_address_numeric (sal.pc, 1, gdb_stdout);
614 printf_filtered (" is at %s:%d.\n",
615 sal.symtab->filename, sal.line);
619 /* If what was given does not imply a symtab, it must be an undebuggable
620 symbol which means no source code. */
623 error ("No line number known for %s.", arg);
626 if ((editor = (char *) getenv ("EDITOR")) == NULL)
629 /* Approximate base-10 log of line to 1 unit for digit count */
630 for(log10=32, m=0x80000000; !(sal.line & m) && log10>0; log10--, m=m>>1);
631 log10 = 1 + (int)((log10 + (0 == ((m-1) & sal.line)))/3.32192809);
633 cmdlen = strlen(editor) + 1
634 + (NULL == sal.symtab->dirname ? 0 : strlen(sal.symtab->dirname) + 1)
635 + (NULL == sal.symtab->filename? 0 : strlen(sal.symtab->filename)+ 1)
639 sprintf(p,"%s +%d %s%s",editor,sal.line,
640 (NULL == sal.symtab->dirname ? "./" :
641 (NULL != sal.symtab->filename && *(sal.symtab->filename) != '/') ?
642 sal.symtab->dirname : ""),
643 (NULL == sal.symtab->filename ? "unknown" : sal.symtab->filename)
645 shell_escape(p, from_tty);
651 list_command (char *arg, int from_tty)
653 struct symtabs_and_lines sals, sals_end;
654 struct symtab_and_line sal, sal_end, cursal;
663 /* Pull in the current default source line if necessary */
664 if (arg == 0 || arg[0] == '+' || arg[0] == '-')
666 set_default_source_symtab_and_line ();
667 cursal = get_current_source_symtab_and_line ();
670 /* "l" or "l +" lists next ten lines. */
672 if (arg == 0 || STREQ (arg, "+"))
674 print_source_lines (cursal.symtab, cursal.line,
675 cursal.line + get_lines_to_list (), 0);
679 /* "l -" lists previous ten lines, the ones before the ten just listed. */
680 if (STREQ (arg, "-"))
682 print_source_lines (cursal.symtab,
683 max (get_first_line_listed () - get_lines_to_list (), 1),
684 get_first_line_listed (), 0);
688 /* Now if there is only one argument, decode it in SAL
690 If there are two arguments, decode them in SAL and SAL_END
691 and clear NO_END; however, if one of the arguments is blank,
692 set DUMMY_BEG or DUMMY_END to record that fact. */
694 if (!have_full_symbols () && !have_partial_symbols ())
695 error ("No symbol table is loaded. Use the \"file\" command.");
702 sals = decode_line_1 (&arg1, 0, 0, 0, 0);
708 ambiguous_line_spec (&sals);
717 /* Record whether the BEG arg is all digits. */
719 for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++);
720 linenum_beg = (p == arg1);
722 while (*arg1 == ' ' || *arg1 == '\t')
728 while (*arg1 == ' ' || *arg1 == '\t')
735 sals_end = decode_line_1 (&arg1, 0, 0, 0, 0);
737 sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0);
738 if (sals_end.nelts == 0)
740 if (sals_end.nelts > 1)
742 ambiguous_line_spec (&sals_end);
743 xfree (sals_end.sals);
746 sal_end = sals_end.sals[0];
747 xfree (sals_end.sals);
752 error ("Junk at end of line specification.");
754 if (!no_end && !dummy_beg && !dummy_end
755 && sal.symtab != sal_end.symtab)
756 error ("Specified start and end are in different files.");
757 if (dummy_beg && dummy_end)
758 error ("Two empty args do not say what lines to list.");
760 /* if line was specified by address,
761 first print exactly which line, and which file.
762 In this case, sal.symtab == 0 means address is outside
763 of all known source files, not that user failed to give a filename. */
767 /* FIXME-32x64--assumes sal.pc fits in long. */
768 error ("No source file for address %s.",
769 local_hex_string ((unsigned long) sal.pc));
770 sym = find_pc_function (sal.pc);
773 print_address_numeric (sal.pc, 1, gdb_stdout);
774 printf_filtered (" is in ");
775 fputs_filtered (SYMBOL_SOURCE_NAME (sym), gdb_stdout);
776 printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
780 print_address_numeric (sal.pc, 1, gdb_stdout);
781 printf_filtered (" is at %s:%d.\n",
782 sal.symtab->filename, sal.line);
786 /* If line was not specified by just a line number,
787 and it does not imply a symtab, it must be an undebuggable symbol
788 which means no source code. */
790 if (!linenum_beg && sal.symtab == 0)
791 error ("No line number known for %s.", arg);
793 /* If this command is repeated with RET,
794 turn it into the no-arg variant. */
799 if (dummy_beg && sal_end.symtab == 0)
800 error ("No default source file yet. Do \"help list\".");
802 print_source_lines (sal_end.symtab,
803 max (sal_end.line - (get_lines_to_list () - 1), 1),
804 sal_end.line + 1, 0);
805 else if (sal.symtab == 0)
806 error ("No default source file yet. Do \"help list\".");
809 int first_line = sal.line - get_lines_to_list () / 2;
811 if (first_line < 1) first_line = 1;
813 print_source_lines (sal.symtab,
815 first_line + get_lines_to_list (),
819 print_source_lines (sal.symtab, sal.line,
821 ? sal.line + get_lines_to_list ()
826 /* Dump a specified section of assembly code. With no command line
827 arguments, this command will dump the assembly code for the
828 function surrounding the pc value in the selected frame. With one
829 argument, it will dump the assembly code surrounding that pc value.
830 Two arguments are interpeted as bounds within which to dump
835 disassemble_command (char *arg, int from_tty)
839 CORE_ADDR pc, pc_masked;
848 if (!deprecated_selected_frame)
849 error ("No frame selected.\n");
851 pc = get_frame_pc (deprecated_selected_frame);
852 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
853 error ("No function contains program counter for selected frame.\n");
855 else if (tui_version)
856 low = tuiGetLowDisassemblyAddress (low, pc);
858 low += FUNCTION_START_OFFSET;
860 else if (!(space_index = (char *) strchr (arg, ' ')))
863 pc = parse_and_eval_address (arg);
864 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
865 error ("No function contains specified address.\n");
867 else if (tui_version)
868 low = tuiGetLowDisassemblyAddress (low, pc);
870 low += FUNCTION_START_OFFSET;
876 low = parse_and_eval_address (arg);
877 high = parse_and_eval_address (space_index + 1);
881 if (!tui_is_window_visible (DISASSEM_WIN))
884 printf_filtered ("Dump of assembler code ");
887 printf_filtered ("for function %s:\n", name);
891 printf_filtered ("from ");
892 print_address_numeric (low, 1, gdb_stdout);
893 printf_filtered (" to ");
894 print_address_numeric (high, 1, gdb_stdout);
895 printf_filtered (":\n");
898 /* Dump the specified range. */
899 gdb_disassembly (uiout, 0, 0, 0, -1, low, high);
901 printf_filtered ("End of assembler dump.\n");
902 gdb_flush (gdb_stdout);
907 tui_show_assembly (low);
913 make_command (char *arg, int from_tty)
921 p = xmalloc (sizeof ("make ") + strlen (arg));
923 strcpy (p + sizeof ("make ") - 1, arg);
926 shell_escape (p, from_tty);
931 show_user (char *args, int from_tty)
933 struct cmd_list_element *c;
934 extern struct cmd_list_element *cmdlist;
938 c = lookup_cmd (&args, cmdlist, "", 0, 1);
939 if (c->class != class_user)
940 error ("Not a user command.");
941 show_user_1 (c, gdb_stdout);
945 for (c = cmdlist; c; c = c->next)
947 if (c->class == class_user)
948 show_user_1 (c, gdb_stdout);
953 /* Search through names of commands and documentations for a certain
957 apropos_command (char *searchstr, int from_tty)
959 extern struct cmd_list_element *cmdlist; /*This is the main command list*/
961 char *pattern_fastmap;
962 char errorbuffer[512];
963 pattern_fastmap = xcalloc (256, sizeof (char));
964 if (searchstr == NULL)
965 error("REGEXP string is empty");
967 if (regcomp(&pattern,searchstr,REG_ICASE) == 0)
969 pattern.fastmap=pattern_fastmap;
970 re_compile_fastmap(&pattern);
971 apropos_cmd (gdb_stdout,cmdlist,&pattern,"");
975 regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512);
976 error("Error in regular expression:%s",errorbuffer);
978 xfree (pattern_fastmap);
981 /* Print a list of files and line numbers which a user may choose from
982 in order to list a function which was specified ambiguously (as with
983 `list classname::overloadedfuncname', for example). The vector in
984 SALS provides the filenames and line numbers. */
987 ambiguous_line_spec (struct symtabs_and_lines *sals)
991 for (i = 0; i < sals->nelts; ++i)
992 printf_filtered ("file: \"%s\", line number: %d\n",
993 sals->sals[i].symtab->filename, sals->sals[i].line);
997 set_debug (char *arg, int from_tty)
999 printf_unfiltered ("\"set debug\" must be followed by the name of a print subcommand.\n");
1000 help_list (setdebuglist, "set debug ", -1, gdb_stdout);
1004 show_debug (char *args, int from_tty)
1006 cmd_show_list (showdebuglist, from_tty, "");
1010 init_cmd_lists (void)
1012 max_user_call_depth = 1024;
1021 enablebreaklist = NULL;
1026 showhistlist = NULL;
1027 unsethistlist = NULL;
1028 maintenancelist = NULL;
1029 maintenanceinfolist = NULL;
1030 maintenanceprintlist = NULL;
1031 setprintlist = NULL;
1032 showprintlist = NULL;
1033 setchecklist = NULL;
1034 showchecklist = NULL;
1039 init_cli_cmds (void)
1041 struct cmd_list_element *c;
1043 /* Define the classes of commands.
1044 They will appear in the help list in the reverse of this order. */
1046 add_cmd ("internals", class_maintenance, NULL,
1047 "Maintenance commands.\n\
1048 Some gdb commands are provided just for use by gdb maintainers.\n\
1049 These commands are subject to frequent change, and may not be as\n\
1050 well documented as user commands.",
1052 add_cmd ("obscure", class_obscure, NULL, "Obscure features.", &cmdlist);
1053 add_cmd ("aliases", class_alias, NULL, "Aliases of other commands.", &cmdlist);
1054 add_cmd ("user-defined", class_user, NULL, "User-defined commands.\n\
1055 The commands in this class are those defined by the user.\n\
1056 Use the \"define\" command to define a command.", &cmdlist);
1057 add_cmd ("support", class_support, NULL, "Support facilities.", &cmdlist);
1059 add_cmd ("status", class_info, NULL, "Status inquiries.", &cmdlist);
1060 add_cmd ("files", class_files, NULL, "Specifying and examining files.", &cmdlist);
1061 add_cmd ("breakpoints", class_breakpoint, NULL, "Making program stop at certain points.", &cmdlist);
1062 add_cmd ("data", class_vars, NULL, "Examining data.", &cmdlist);
1063 add_cmd ("stack", class_stack, NULL, "Examining the stack.\n\
1064 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1065 counting from zero for the innermost (currently executing) frame.\n\n\
1066 At any time gdb identifies one frame as the \"selected\" frame.\n\
1067 Variable lookups are done with respect to the selected frame.\n\
1068 When the program being debugged stops, gdb selects the innermost frame.\n\
1069 The commands below can be used to select other frames by number or address.",
1071 add_cmd ("running", class_run, NULL, "Running the program.", &cmdlist);
1073 /* Define general commands. */
1075 add_com ("pwd", class_files, pwd_command,
1076 "Print working directory. This is used for your program as well.");
1077 c = add_cmd ("cd", class_files, cd_command,
1078 "Set working directory to DIR for debugger and program being debugged.\n\
1079 The change does not take effect for the program being debugged\n\
1080 until the next time it is started.", &cmdlist);
1081 set_cmd_completer (c, filename_completer);
1083 add_com ("echo", class_support, echo_command,
1084 "Print a constant string. Give string as argument.\n\
1085 C escape sequences may be used in the argument.\n\
1086 No newline is added at the end of the argument;\n\
1087 use \"\\n\" if you want a newline to be printed.\n\
1088 Since leading and trailing whitespace are ignored in command arguments,\n\
1089 if you want to print some you must use \"\\\" before leading whitespace\n\
1090 to be printed or after trailing whitespace.");
1091 add_com ("document", class_support, document_command,
1092 "Document a user-defined command.\n\
1093 Give command name as argument. Give documentation on following lines.\n\
1094 End with a line of just \"end\".");
1095 add_com ("define", class_support, define_command,
1096 "Define a new command name. Command name is argument.\n\
1097 Definition appears on following lines, one command per line.\n\
1098 End with a line of just \"end\".\n\
1099 Use the \"document\" command to give documentation for the new command.\n\
1100 Commands defined in this way may have up to ten arguments.");
1102 c = add_cmd ("source", class_support, source_command,
1103 "Read commands from a file named FILE.\n\
1104 Note that the file \"" GDBINIT_FILENAME "\" is read automatically in this way\n\
1105 when gdb is started.", &cmdlist);
1106 set_cmd_completer (c, filename_completer);
1108 add_com ("quit", class_support, quit_command, "Exit gdb.");
1109 c = add_com ("help", class_support, help_command, "Print list of commands.");
1110 set_cmd_completer (c, command_completer);
1111 add_com_alias ("q", "quit", class_support, 1);
1112 add_com_alias ("h", "help", class_support, 1);
1114 c = add_set_cmd ("verbose", class_support, var_boolean, (char *) &info_verbose,
1117 add_show_from_set (c, &showlist);
1118 set_cmd_sfunc (c, set_verbose);
1119 set_verbose (NULL, 0, c);
1121 add_prefix_cmd ("history", class_support, set_history,
1122 "Generic command for setting command history parameters.",
1123 &sethistlist, "set history ", 0, &setlist);
1124 add_prefix_cmd ("history", class_support, show_history,
1125 "Generic command for showing command history parameters.",
1126 &showhistlist, "show history ", 0, &showlist);
1129 (add_set_cmd ("expansion", no_class, var_boolean, (char *) &history_expansion_p,
1130 "Set history expansion on command input.\n\
1131 Without an argument, history expansion is enabled.", &sethistlist),
1134 add_prefix_cmd ("info", class_info, info_command,
1135 "Generic command for showing things about the program being debugged.",
1136 &infolist, "info ", 0, &cmdlist);
1137 add_com_alias ("i", "info", class_info, 1);
1139 add_com ("complete", class_obscure, complete_command,
1140 "List the completions for the rest of the line as a command.");
1142 add_prefix_cmd ("show", class_info, show_command,
1143 "Generic command for showing things about the debugger.",
1144 &showlist, "show ", 0, &cmdlist);
1145 /* Another way to get at the same thing. */
1146 add_info ("set", show_command, "Show all GDB settings.");
1148 add_cmd ("commands", no_class, show_commands,
1149 "Show the history of commands you typed.\n\
1150 You can supply a command number to start with, or a `+' to start after\n\
1151 the previous command number shown.",
1154 add_cmd ("version", no_class, show_version,
1155 "Show what version of GDB this is.", &showlist);
1157 add_com ("while", class_support, while_command,
1158 "Execute nested commands WHILE the conditional expression is non zero.\n\
1159 The conditional expression must follow the word `while' and must in turn be\n\
1160 followed by a new line. The nested commands must be entered one per line,\n\
1161 and should be terminated by the word `end'.");
1163 add_com ("if", class_support, if_command,
1164 "Execute nested commands once IF the conditional expression is non zero.\n\
1165 The conditional expression must follow the word `if' and must in turn be\n\
1166 followed by a new line. The nested commands must be entered one per line,\n\
1167 and should be terminated by the word 'else' or `end'. If an else clause\n\
1168 is used, the same rules apply to its nested commands as to the first ones.");
1170 /* If target is open when baud changes, it doesn't take effect until the
1171 next open (I think, not sure). */
1172 add_show_from_set (add_set_cmd ("remotebaud", no_class,
1173 var_zinteger, (char *) &baud_rate,
1174 "Set baud rate for remote serial I/O.\n\
1175 This value is used to set the speed of the serial port when debugging\n\
1176 using remote targets.", &setlist),
1179 c = add_set_cmd ("remotedebug", no_class, var_zinteger,
1180 (char *) &remote_debug,
1181 "Set debugging of remote protocol.\n\
1182 When enabled, each packet sent or received with the remote target\n\
1183 is displayed.", &setlist);
1184 deprecate_cmd (c, "set debug remote");
1185 deprecate_cmd (add_show_from_set (c, &showlist), "show debug remote");
1187 add_show_from_set (add_set_cmd ("remote", no_class, var_zinteger,
1188 (char *) &remote_debug,
1189 "Set debugging of remote protocol.\n\
1190 When enabled, each packet sent or received with the remote target\n\
1191 is displayed.", &setdebuglist),
1195 add_set_cmd ("remotetimeout", no_class, var_integer, (char *) &remote_timeout,
1196 "Set timeout limit to wait for target to respond.\n\
1197 This value is used to set the time limit for gdb to wait for a response\n\
1198 from the target.", &setlist),
1201 add_prefix_cmd ("debug", no_class, set_debug,
1202 "Generic command for setting gdb debugging flags",
1203 &setdebuglist, "set debug ", 0, &setlist);
1205 add_prefix_cmd ("debug", no_class, show_debug,
1206 "Generic command for showing gdb debugging flags",
1207 &showdebuglist, "show debug ", 0, &showlist);
1209 c = add_com ("shell", class_support, shell_escape,
1210 "Execute the rest of the line as a shell command.\n\
1211 With no arguments, run an inferior shell.");
1212 set_cmd_completer (c, filename_completer);
1214 c = add_com ("edit", class_files, edit_command,
1215 concat ("Edit specified file or function.\n\
1216 With no argument, edits file containing most recent line listed.\n\
1218 Editing targets can be specified in these ways:\n\
1219 FILE:LINENUM, to edit at that line in that file,\n\
1220 FUNCTION, to edit at the beginning of that function,\n\
1221 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1222 *ADDRESS, to edit at the line containing that address.\n\
1223 Uses EDITOR environment variable contents as editor (or ex as default).",NULL));
1225 c->completer = location_completer;
1227 add_com ("list", class_files, list_command,
1228 concat ("List specified function or line.\n\
1229 With no argument, lists ten more lines after or around previous listing.\n\
1230 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1231 One argument specifies a line, and ten lines are listed around that line.\n\
1232 Two arguments with comma between specify starting and ending lines to list.\n\
1234 Lines can be specified in these ways:\n\
1235 LINENUM, to list around that line in current file,\n\
1236 FILE:LINENUM, to list around that line in that file,\n\
1237 FUNCTION, to list around beginning of that function,\n\
1238 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1239 *ADDRESS, to list around the line containing that address.\n\
1240 With two args if one is empty it stands for ten lines away from the other arg.", NULL));
1243 add_com_alias ("l", "list", class_files, 1);
1245 add_com_alias ("v", "list", class_files, 1);
1248 add_com_alias ("file", "list", class_files, 1);
1250 c = add_com ("disassemble", class_vars, disassemble_command,
1251 "Disassemble a specified section of memory.\n\
1252 Default is the function surrounding the pc of the selected frame.\n\
1253 With a single argument, the function surrounding that address is dumped.\n\
1254 Two arguments are taken as a range of memory to dump.");
1255 set_cmd_completer (c, location_completer);
1257 add_com_alias ("va", "disassemble", class_xdb, 0);
1259 /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would
1260 be a really useful feature. Unfortunately, the below wont do
1261 this. Instead it adds support for the form ``(gdb) ! ls''
1262 (i.e. the space is required). If the ``!'' command below is
1263 added the complains about no ``!'' command would be replaced by
1264 complains about how the ``!'' command is broken :-) */
1266 add_com_alias ("!", "shell", class_support, 0);
1268 c = add_com ("make", class_support, make_command,
1269 "Run the ``make'' program using the rest of the line as arguments.");
1270 set_cmd_completer (c, filename_completer);
1271 add_cmd ("user", no_class, show_user,
1272 "Show definitions of user defined commands.\n\
1273 Argument is the name of the user defined command.\n\
1274 With no argument, show definitions of all user defined commands.", &showlist);
1275 add_com ("apropos", class_support, apropos_command, "Search for commands matching a REGEXP");
1278 add_set_cmd ("max-user-call-depth", no_class, var_integer,
1279 (char *) &max_user_call_depth,
1280 "Set the max call depth for user-defined commands.\n",