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"
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"
51 /* Prototypes for local command functions */
53 static void complete_command (char *, int);
55 static void echo_command (char *, int);
57 static void pwd_command (char *, int);
59 static void show_version (char *, int);
61 static void validate_comname (char *);
63 static void help_command (char *, int);
65 static void show_command (char *, int);
67 static void info_command (char *, int);
69 static void show_debug (char *, int);
71 static void set_debug (char *, int);
73 static void show_user (char *, int);
75 static void make_command (char *, int);
77 static void shell_escape (char *, int);
79 static void edit_command (char *, int);
81 static void list_command (char *, int);
83 void apropos_command (char *, int);
85 /* Prototypes for local utility functions */
87 static void ambiguous_line_spec (struct symtabs_and_lines *);
89 /* Limit the call depth of user-defined commands */
90 int max_user_call_depth;
92 /* Define all cmd_list_elements. */
94 /* Chain containing all defined commands. */
96 struct cmd_list_element *cmdlist;
98 /* Chain containing all defined info subcommands. */
100 struct cmd_list_element *infolist;
102 /* Chain containing all defined enable subcommands. */
104 struct cmd_list_element *enablelist;
106 /* Chain containing all defined disable subcommands. */
108 struct cmd_list_element *disablelist;
110 /* Chain containing all defined toggle subcommands. */
112 struct cmd_list_element *togglelist;
114 /* Chain containing all defined stop subcommands. */
116 struct cmd_list_element *stoplist;
118 /* Chain containing all defined delete subcommands. */
120 struct cmd_list_element *deletelist;
122 /* Chain containing all defined "enable breakpoint" subcommands. */
124 struct cmd_list_element *enablebreaklist;
126 /* Chain containing all defined set subcommands */
128 struct cmd_list_element *setlist;
130 /* Chain containing all defined unset subcommands */
132 struct cmd_list_element *unsetlist;
134 /* Chain containing all defined show subcommands. */
136 struct cmd_list_element *showlist;
138 /* Chain containing all defined \"set history\". */
140 struct cmd_list_element *sethistlist;
142 /* Chain containing all defined \"show history\". */
144 struct cmd_list_element *showhistlist;
146 /* Chain containing all defined \"unset history\". */
148 struct cmd_list_element *unsethistlist;
150 /* Chain containing all defined maintenance subcommands. */
152 struct cmd_list_element *maintenancelist;
154 /* Chain containing all defined "maintenance info" subcommands. */
156 struct cmd_list_element *maintenanceinfolist;
158 /* Chain containing all defined "maintenance print" subcommands. */
160 struct cmd_list_element *maintenanceprintlist;
162 struct cmd_list_element *setprintlist;
164 struct cmd_list_element *showprintlist;
166 struct cmd_list_element *setdebuglist;
168 struct cmd_list_element *showdebuglist;
170 struct cmd_list_element *setchecklist;
172 struct cmd_list_element *showchecklist;
174 /* Utility used everywhere when at least one argument is needed and
178 error_no_arg (char *why)
180 error ("Argument required (%s).", why);
183 /* The "info" command is defined as a prefix, with allow_unknown = 0.
184 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. */
198 show_command (char *arg, int from_tty)
200 cmd_show_list (showlist, from_tty, "");
203 /* Provide documentation on command or list given by COMMAND. FROM_TTY
208 help_command (char *command, int from_tty)
210 help_cmd (command, gdb_stdout);
213 /* String compare function for qsort. */
215 compare_strings (const void *arg1, const void *arg2)
217 const char **s1 = (const char **) arg1;
218 const char **s2 = (const char **) arg2;
219 return strcmp (*s1, *s2);
222 /* The "complete" command is used by Emacs to implement completion. */
226 complete_command (char *arg, int from_tty)
236 argpoint = strlen (arg);
238 completions = complete_line (arg, arg, argpoint);
244 for (size = 0; completions[size]; ++size)
246 qsort (completions, size, sizeof (char *), compare_strings);
248 /* We do extra processing here since we only want to print each
254 printf_unfiltered ("%s\n", completions[item]);
255 next_item = item + 1;
256 while (next_item < size
257 && ! strcmp (completions[item], completions[next_item]))
259 xfree (completions[next_item]);
263 xfree (completions[item]);
272 is_complete_command (struct cmd_list_element *c)
274 return cmd_cfunc_eq (c, complete_command);
279 show_version (char *args, int from_tty)
282 print_gdb_version (gdb_stdout);
283 printf_filtered ("\n");
287 /* Handle the quit command. */
290 quit_command (char *args, int from_tty)
292 if (!quit_confirm ())
293 error ("Not confirmed.");
294 quit_force (args, from_tty);
299 pwd_command (char *args, int from_tty)
302 error ("The \"pwd\" command does not take an argument: %s", args);
303 getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
305 if (!STREQ (gdb_dirbuf, current_directory))
306 printf_unfiltered ("Working directory %s\n (canonically %s).\n",
307 current_directory, gdb_dirbuf);
309 printf_unfiltered ("Working directory %s.\n", current_directory);
313 cd_command (char *dir, int from_tty)
316 /* Found something other than leading repetitions of "/..". */
320 /* If the new directory is absolute, repeat is a no-op; if relative,
321 repeat might be useful but is more likely to be a mistake. */
325 error_no_arg ("new working directory");
327 dir = tilde_expand (dir);
328 make_cleanup (xfree, dir);
331 perror_with_name (dir);
333 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
334 /* There's too much mess with DOSish names like "d:", "d:.",
335 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
336 simply get the canonicalized name of the current directory. */
337 dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
341 if (IS_DIR_SEPARATOR (dir[len - 1]))
343 /* Remove the trailing slash unless this is a root directory
344 (including a drive letter on non-Unix systems). */
345 if (!(len == 1) /* "/" */
346 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
347 && !(len == 3 && dir[1] == ':') /* "d:/" */
353 dir = savestring (dir, len);
354 if (IS_ABSOLUTE_PATH (dir))
355 current_directory = dir;
358 if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1]))
359 current_directory = concat (current_directory, dir, NULL);
361 current_directory = concat (current_directory, SLASH_STRING, dir, NULL);
365 /* Now simplify any occurrences of `.' and `..' in the pathname. */
368 for (p = current_directory; *p;)
370 if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.'
371 && (p[2] == 0 || IS_DIR_SEPARATOR (p[2])))
373 else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.'
374 && (p[3] == 0 || IS_DIR_SEPARATOR (p[3])))
378 /* Search backwards for the directory just before the "/.."
379 and obliterate it and the "/..". */
381 while (q != current_directory && !IS_DIR_SEPARATOR (q[-1]))
384 if (q == current_directory)
385 /* current_directory is
386 a relative pathname ("can't happen"--leave it alone). */
390 strcpy (q - 1, p + 3);
395 /* We are dealing with leading repetitions of "/..", for example
396 "/../..", which is the Mach super-root. */
406 forget_cached_source_info ();
409 pwd_command ((char *) 0, 1);
413 source_command (char *args, int from_tty)
416 struct cleanup *old_cleanups;
421 error ("source command requires pathname of file to source.");
424 file = tilde_expand (file);
425 old_cleanups = make_cleanup (xfree, file);
427 stream = fopen (file, FOPEN_RT);
431 perror_with_name (file);
436 script_from_file (stream, file);
438 do_cleanups (old_cleanups);
443 echo_command (char *text, int from_tty)
449 while ((c = *p++) != '\0')
453 /* \ at end of argument is used after spaces
454 so they won't be lost. */
458 c = parse_escape (&p);
460 printf_filtered ("%c", c);
463 printf_filtered ("%c", c);
466 /* Force this output to appear now. */
468 gdb_flush (gdb_stdout);
473 shell_escape (char *arg, int from_tty)
476 /* If ARG is NULL, they want an inferior shell, but `system' just
477 reports if the shell is available when passed a NULL arg. */
478 int rc = system (arg ? arg : "");
481 arg = "inferior shell";
485 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg,
486 safe_strerror (errno));
487 gdb_flush (gdb_stderr);
491 fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc);
492 gdb_flush (gdb_stderr);
495 /* Make sure to return to the directory GDB thinks it is, in case the
496 shell command we just ran changed it. */
497 chdir (current_directory);
499 #else /* Can fork. */
501 char *p, *user_shell;
503 if ((user_shell = (char *) getenv ("SHELL")) == NULL)
504 user_shell = "/bin/sh";
506 /* Get the name of the shell for arg0 */
507 if ((p = strrchr (user_shell, '/')) == NULL)
510 p++; /* Get past '/' */
512 if ((pid = fork ()) == 0)
515 execl (user_shell, p, 0);
517 execl (user_shell, p, "-c", arg, 0);
519 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell,
520 safe_strerror (errno));
521 gdb_flush (gdb_stderr);
526 while ((rc = wait (&status)) != pid && rc != -1)
529 error ("Fork failed");
530 #endif /* Can fork. */
534 edit_command (char *arg, int from_tty)
536 struct symtabs_and_lines sals;
537 struct symtab_and_line sal;
545 /* Pull in the current default source line if necessary */
548 set_default_source_symtab_and_line ();
549 sal = get_current_source_symtab_and_line ();
552 /* bare "edit" edits file with present line. */
557 error ("No default source file yet.");
558 sal.line += get_lines_to_list () / 2;
563 /* Now should only be one argument -- decode it in SAL */
566 sals = decode_line_1 (&arg1, 0, 0, 0, 0);
568 if (! sals.nelts) return; /* C++ */
569 if (sals.nelts > 1) {
570 ambiguous_line_spec (&sals);
579 error ("Junk at end of line specification.");
581 /* if line was specified by address,
582 first print exactly which line, and which file.
583 In this case, sal.symtab == 0 means address is outside
584 of all known source files, not that user failed to give a filename. */
588 /* FIXME-32x64--assumes sal.pc fits in long. */
589 error ("No source file for address %s.",
590 local_hex_string((unsigned long) sal.pc));
591 sym = find_pc_function (sal.pc);
594 print_address_numeric (sal.pc, 1, gdb_stdout);
595 printf_filtered (" is in ");
596 fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout);
597 printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
601 print_address_numeric (sal.pc, 1, gdb_stdout);
602 printf_filtered (" is at %s:%d.\n",
603 sal.symtab->filename, sal.line);
607 /* If what was given does not imply a symtab, it must be an undebuggable
608 symbol which means no source code. */
611 error ("No line number known for %s.", arg);
614 if ((editor = (char *) getenv ("EDITOR")) == NULL)
617 /* Approximate base-10 log of line to 1 unit for digit count */
618 for(log10=32, m=0x80000000; !(sal.line & m) && log10>0; log10--, m=m>>1);
619 log10 = 1 + (int)((log10 + (0 == ((m-1) & sal.line)))/3.32192809);
621 cmdlen = strlen(editor) + 1
622 + (NULL == sal.symtab->dirname ? 0 : strlen(sal.symtab->dirname) + 1)
623 + (NULL == sal.symtab->filename? 0 : strlen(sal.symtab->filename)+ 1)
627 sprintf(p,"%s +%d %s%s",editor,sal.line,
628 (NULL == sal.symtab->dirname ? "./" :
629 (NULL != sal.symtab->filename && *(sal.symtab->filename) != '/') ?
630 sal.symtab->dirname : ""),
631 (NULL == sal.symtab->filename ? "unknown" : sal.symtab->filename)
633 shell_escape(p, from_tty);
639 list_command (char *arg, int from_tty)
641 struct symtabs_and_lines sals, sals_end;
642 struct symtab_and_line sal, sal_end, cursal;
651 /* Pull in the current default source line if necessary */
652 if (arg == 0 || arg[0] == '+' || arg[0] == '-')
654 set_default_source_symtab_and_line ();
655 cursal = get_current_source_symtab_and_line ();
658 /* "l" or "l +" lists next ten lines. */
660 if (arg == 0 || STREQ (arg, "+"))
662 print_source_lines (cursal.symtab, cursal.line,
663 cursal.line + get_lines_to_list (), 0);
667 /* "l -" lists previous ten lines, the ones before the ten just listed. */
668 if (STREQ (arg, "-"))
670 print_source_lines (cursal.symtab,
671 max (get_first_line_listed () - get_lines_to_list (), 1),
672 get_first_line_listed (), 0);
676 /* Now if there is only one argument, decode it in SAL
678 If there are two arguments, decode them in SAL and SAL_END
679 and clear NO_END; however, if one of the arguments is blank,
680 set DUMMY_BEG or DUMMY_END to record that fact. */
682 if (!have_full_symbols () && !have_partial_symbols ())
683 error ("No symbol table is loaded. Use the \"file\" command.");
690 sals = decode_line_1 (&arg1, 0, 0, 0, 0);
696 ambiguous_line_spec (&sals);
705 /* Record whether the BEG arg is all digits. */
707 for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++);
708 linenum_beg = (p == arg1);
710 while (*arg1 == ' ' || *arg1 == '\t')
716 while (*arg1 == ' ' || *arg1 == '\t')
723 sals_end = decode_line_1 (&arg1, 0, 0, 0, 0);
725 sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0);
726 if (sals_end.nelts == 0)
728 if (sals_end.nelts > 1)
730 ambiguous_line_spec (&sals_end);
731 xfree (sals_end.sals);
734 sal_end = sals_end.sals[0];
735 xfree (sals_end.sals);
740 error ("Junk at end of line specification.");
742 if (!no_end && !dummy_beg && !dummy_end
743 && sal.symtab != sal_end.symtab)
744 error ("Specified start and end are in different files.");
745 if (dummy_beg && dummy_end)
746 error ("Two empty args do not say what lines to list.");
748 /* if line was specified by address,
749 first print exactly which line, and which file.
750 In this case, sal.symtab == 0 means address is outside
751 of all known source files, not that user failed to give a filename. */
755 /* FIXME-32x64--assumes sal.pc fits in long. */
756 error ("No source file for address %s.",
757 local_hex_string ((unsigned long) sal.pc));
758 sym = find_pc_function (sal.pc);
761 print_address_numeric (sal.pc, 1, gdb_stdout);
762 printf_filtered (" is in ");
763 fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout);
764 printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
768 print_address_numeric (sal.pc, 1, gdb_stdout);
769 printf_filtered (" is at %s:%d.\n",
770 sal.symtab->filename, sal.line);
774 /* If line was not specified by just a line number,
775 and it does not imply a symtab, it must be an undebuggable symbol
776 which means no source code. */
778 if (!linenum_beg && sal.symtab == 0)
779 error ("No line number known for %s.", arg);
781 /* If this command is repeated with RET,
782 turn it into the no-arg variant. */
787 if (dummy_beg && sal_end.symtab == 0)
788 error ("No default source file yet. Do \"help list\".");
790 print_source_lines (sal_end.symtab,
791 max (sal_end.line - (get_lines_to_list () - 1), 1),
792 sal_end.line + 1, 0);
793 else if (sal.symtab == 0)
794 error ("No default source file yet. Do \"help list\".");
797 int first_line = sal.line - get_lines_to_list () / 2;
799 if (first_line < 1) first_line = 1;
801 print_source_lines (sal.symtab,
803 first_line + get_lines_to_list (),
807 print_source_lines (sal.symtab, sal.line,
809 ? sal.line + get_lines_to_list ()
814 /* Dump a specified section of assembly code. With no command line
815 arguments, this command will dump the assembly code for the
816 function surrounding the pc value in the selected frame. With one
817 argument, it will dump the assembly code surrounding that pc value.
818 Two arguments are interpeted as bounds within which to dump
823 disassemble_command (char *arg, int from_tty)
827 CORE_ADDR pc, pc_masked;
836 if (!deprecated_selected_frame)
837 error ("No frame selected.\n");
839 pc = get_frame_pc (deprecated_selected_frame);
840 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
841 error ("No function contains program counter for selected frame.\n");
843 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
846 low = tuiGetLowDisassemblyAddress (low, pc);
848 low += FUNCTION_START_OFFSET;
850 else if (!(space_index = (char *) strchr (arg, ' ')))
853 pc = parse_and_eval_address (arg);
854 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
855 error ("No function contains specified address.\n");
857 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
860 low = tuiGetLowDisassemblyAddress (low, pc);
862 low += FUNCTION_START_OFFSET;
868 low = parse_and_eval_address (arg);
869 high = parse_and_eval_address (space_index + 1);
873 if (!tui_is_window_visible (DISASSEM_WIN))
876 printf_filtered ("Dump of assembler code ");
879 printf_filtered ("for function %s:\n", name);
883 printf_filtered ("from ");
884 print_address_numeric (low, 1, gdb_stdout);
885 printf_filtered (" to ");
886 print_address_numeric (high, 1, gdb_stdout);
887 printf_filtered (":\n");
890 /* Dump the specified range. */
891 gdb_disassembly (uiout, 0, 0, 0, -1, low, high);
893 printf_filtered ("End of assembler dump.\n");
894 gdb_flush (gdb_stdout);
899 tui_show_assembly (low);
905 make_command (char *arg, int from_tty)
913 p = xmalloc (sizeof ("make ") + strlen (arg));
915 strcpy (p + sizeof ("make ") - 1, arg);
918 shell_escape (p, from_tty);
923 show_user (char *args, int from_tty)
925 struct cmd_list_element *c;
926 extern struct cmd_list_element *cmdlist;
930 c = lookup_cmd (&args, cmdlist, "", 0, 1);
931 if (c->class != class_user)
932 error ("Not a user command.");
933 show_user_1 (c, gdb_stdout);
937 for (c = cmdlist; c; c = c->next)
939 if (c->class == class_user)
940 show_user_1 (c, gdb_stdout);
945 /* Search through names of commands and documentations for a certain
949 apropos_command (char *searchstr, int from_tty)
951 extern struct cmd_list_element *cmdlist; /*This is the main command list*/
953 char *pattern_fastmap;
954 char errorbuffer[512];
955 pattern_fastmap = xcalloc (256, sizeof (char));
956 if (searchstr == NULL)
957 error("REGEXP string is empty");
959 if (regcomp(&pattern,searchstr,REG_ICASE) == 0)
961 pattern.fastmap=pattern_fastmap;
962 re_compile_fastmap(&pattern);
963 apropos_cmd (gdb_stdout,cmdlist,&pattern,"");
967 regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512);
968 error("Error in regular expression:%s",errorbuffer);
970 xfree (pattern_fastmap);
973 /* Print a list of files and line numbers which a user may choose from
974 in order to list a function which was specified ambiguously (as with
975 `list classname::overloadedfuncname', for example). The vector in
976 SALS provides the filenames and line numbers. */
979 ambiguous_line_spec (struct symtabs_and_lines *sals)
983 for (i = 0; i < sals->nelts; ++i)
984 printf_filtered ("file: \"%s\", line number: %d\n",
985 sals->sals[i].symtab->filename, sals->sals[i].line);
989 set_debug (char *arg, int from_tty)
991 printf_unfiltered ("\"set debug\" must be followed by the name of a print subcommand.\n");
992 help_list (setdebuglist, "set debug ", -1, gdb_stdout);
996 show_debug (char *args, int from_tty)
998 cmd_show_list (showdebuglist, from_tty, "");
1002 init_cmd_lists (void)
1004 max_user_call_depth = 1024;
1013 enablebreaklist = NULL;
1018 showhistlist = NULL;
1019 unsethistlist = NULL;
1020 maintenancelist = NULL;
1021 maintenanceinfolist = NULL;
1022 maintenanceprintlist = NULL;
1023 setprintlist = NULL;
1024 showprintlist = NULL;
1025 setchecklist = NULL;
1026 showchecklist = NULL;
1031 init_cli_cmds (void)
1033 struct cmd_list_element *c;
1035 /* Define the classes of commands.
1036 They will appear in the help list in the reverse of this order. */
1038 add_cmd ("internals", class_maintenance, NULL,
1039 "Maintenance commands.\n\
1040 Some gdb commands are provided just for use by gdb maintainers.\n\
1041 These commands are subject to frequent change, and may not be as\n\
1042 well documented as user commands.",
1044 add_cmd ("obscure", class_obscure, NULL, "Obscure features.", &cmdlist);
1045 add_cmd ("aliases", class_alias, NULL, "Aliases of other commands.", &cmdlist);
1046 add_cmd ("user-defined", class_user, NULL, "User-defined commands.\n\
1047 The commands in this class are those defined by the user.\n\
1048 Use the \"define\" command to define a command.", &cmdlist);
1049 add_cmd ("support", class_support, NULL, "Support facilities.", &cmdlist);
1051 add_cmd ("status", class_info, NULL, "Status inquiries.", &cmdlist);
1052 add_cmd ("files", class_files, NULL, "Specifying and examining files.", &cmdlist);
1053 add_cmd ("breakpoints", class_breakpoint, NULL, "Making program stop at certain points.", &cmdlist);
1054 add_cmd ("data", class_vars, NULL, "Examining data.", &cmdlist);
1055 add_cmd ("stack", class_stack, NULL, "Examining the stack.\n\
1056 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1057 counting from zero for the innermost (currently executing) frame.\n\n\
1058 At any time gdb identifies one frame as the \"selected\" frame.\n\
1059 Variable lookups are done with respect to the selected frame.\n\
1060 When the program being debugged stops, gdb selects the innermost frame.\n\
1061 The commands below can be used to select other frames by number or address.",
1063 add_cmd ("running", class_run, NULL, "Running the program.", &cmdlist);
1065 /* Define general commands. */
1067 add_com ("pwd", class_files, pwd_command,
1068 "Print working directory. This is used for your program as well.");
1069 c = add_cmd ("cd", class_files, cd_command,
1070 "Set working directory to DIR for debugger and program being debugged.\n\
1071 The change does not take effect for the program being debugged\n\
1072 until the next time it is started.", &cmdlist);
1073 set_cmd_completer (c, filename_completer);
1075 add_com ("echo", class_support, echo_command,
1076 "Print a constant string. Give string as argument.\n\
1077 C escape sequences may be used in the argument.\n\
1078 No newline is added at the end of the argument;\n\
1079 use \"\\n\" if you want a newline to be printed.\n\
1080 Since leading and trailing whitespace are ignored in command arguments,\n\
1081 if you want to print some you must use \"\\\" before leading whitespace\n\
1082 to be printed or after trailing whitespace.");
1083 add_com ("document", class_support, document_command,
1084 "Document a user-defined command.\n\
1085 Give command name as argument. Give documentation on following lines.\n\
1086 End with a line of just \"end\".");
1087 add_com ("define", class_support, define_command,
1088 "Define a new command name. Command name is argument.\n\
1089 Definition appears on following lines, one command per line.\n\
1090 End with a line of just \"end\".\n\
1091 Use the \"document\" command to give documentation for the new command.\n\
1092 Commands defined in this way may have up to ten arguments.");
1094 c = add_cmd ("source", class_support, source_command,
1095 "Read commands from a file named FILE.\n\
1096 Note that the file \"" GDBINIT_FILENAME "\" is read automatically in this way\n\
1097 when gdb is started.", &cmdlist);
1098 set_cmd_completer (c, filename_completer);
1100 add_com ("quit", class_support, quit_command, "Exit gdb.");
1101 c = add_com ("help", class_support, help_command, "Print list of commands.");
1102 set_cmd_completer (c, command_completer);
1103 add_com_alias ("q", "quit", class_support, 1);
1104 add_com_alias ("h", "help", class_support, 1);
1106 c = add_set_cmd ("verbose", class_support, var_boolean, (char *) &info_verbose,
1109 add_show_from_set (c, &showlist);
1110 set_cmd_sfunc (c, set_verbose);
1111 set_verbose (NULL, 0, c);
1113 add_prefix_cmd ("history", class_support, set_history,
1114 "Generic command for setting command history parameters.",
1115 &sethistlist, "set history ", 0, &setlist);
1116 add_prefix_cmd ("history", class_support, show_history,
1117 "Generic command for showing command history parameters.",
1118 &showhistlist, "show history ", 0, &showlist);
1121 (add_set_cmd ("expansion", no_class, var_boolean, (char *) &history_expansion_p,
1122 "Set history expansion on command input.\n\
1123 Without an argument, history expansion is enabled.", &sethistlist),
1126 add_prefix_cmd ("info", class_info, info_command,
1127 "Generic command for showing things about the program being debugged.",
1128 &infolist, "info ", 0, &cmdlist);
1129 add_com_alias ("i", "info", class_info, 1);
1131 add_com ("complete", class_obscure, complete_command,
1132 "List the completions for the rest of the line as a command.");
1134 add_prefix_cmd ("show", class_info, show_command,
1135 "Generic command for showing things about the debugger.",
1136 &showlist, "show ", 0, &cmdlist);
1137 /* Another way to get at the same thing. */
1138 add_info ("set", show_command, "Show all GDB settings.");
1140 add_cmd ("commands", no_class, show_commands,
1141 "Show the history of commands you typed.\n\
1142 You can supply a command number to start with, or a `+' to start after\n\
1143 the previous command number shown.",
1146 add_cmd ("version", no_class, show_version,
1147 "Show what version of GDB this is.", &showlist);
1149 add_com ("while", class_support, while_command,
1150 "Execute nested commands WHILE the conditional expression is non zero.\n\
1151 The conditional expression must follow the word `while' and must in turn be\n\
1152 followed by a new line. The nested commands must be entered one per line,\n\
1153 and should be terminated by the word `end'.");
1155 add_com ("if", class_support, if_command,
1156 "Execute nested commands once IF the conditional expression is non zero.\n\
1157 The conditional expression must follow the word `if' and must in turn be\n\
1158 followed by a new line. The nested commands must be entered one per line,\n\
1159 and should be terminated by the word 'else' or `end'. If an else clause\n\
1160 is used, the same rules apply to its nested commands as to the first ones.");
1162 /* If target is open when baud changes, it doesn't take effect until the
1163 next open (I think, not sure). */
1164 add_show_from_set (add_set_cmd ("remotebaud", no_class,
1165 var_zinteger, (char *) &baud_rate,
1166 "Set baud rate for remote serial I/O.\n\
1167 This value is used to set the speed of the serial port when debugging\n\
1168 using remote targets.", &setlist),
1171 c = add_set_cmd ("remotedebug", 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.", &setlist);
1176 deprecate_cmd (c, "set debug remote");
1177 deprecate_cmd (add_show_from_set (c, &showlist), "show debug remote");
1179 add_show_from_set (add_set_cmd ("remote", 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.", &setdebuglist),
1187 add_set_cmd ("remotetimeout", no_class, var_integer, (char *) &remote_timeout,
1188 "Set timeout limit to wait for target to respond.\n\
1189 This value is used to set the time limit for gdb to wait for a response\n\
1190 from the target.", &setlist),
1193 add_prefix_cmd ("debug", no_class, set_debug,
1194 "Generic command for setting gdb debugging flags",
1195 &setdebuglist, "set debug ", 0, &setlist);
1197 add_prefix_cmd ("debug", no_class, show_debug,
1198 "Generic command for showing gdb debugging flags",
1199 &showdebuglist, "show debug ", 0, &showlist);
1201 c = add_com ("shell", class_support, shell_escape,
1202 "Execute the rest of the line as a shell command.\n\
1203 With no arguments, run an inferior shell.");
1204 set_cmd_completer (c, filename_completer);
1206 c = add_com ("edit", class_files, edit_command,
1207 concat ("Edit specified file or function.\n\
1208 With no argument, edits file containing most recent line listed.\n\
1210 Editing targets can be specified in these ways:\n\
1211 FILE:LINENUM, to edit at that line in that file,\n\
1212 FUNCTION, to edit at the beginning of that function,\n\
1213 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1214 *ADDRESS, to edit at the line containing that address.\n\
1215 Uses EDITOR environment variable contents as editor (or ex as default).",NULL));
1217 c->completer = location_completer;
1219 add_com ("list", class_files, list_command,
1220 concat ("List specified function or line.\n\
1221 With no argument, lists ten more lines after or around previous listing.\n\
1222 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1223 One argument specifies a line, and ten lines are listed around that line.\n\
1224 Two arguments with comma between specify starting and ending lines to list.\n\
1226 Lines can be specified in these ways:\n\
1227 LINENUM, to list around that line in current file,\n\
1228 FILE:LINENUM, to list around that line in that file,\n\
1229 FUNCTION, to list around beginning of that function,\n\
1230 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1231 *ADDRESS, to list around the line containing that address.\n\
1232 With two args if one is empty it stands for ten lines away from the other arg.", NULL));
1235 add_com_alias ("l", "list", class_files, 1);
1237 add_com_alias ("v", "list", class_files, 1);
1240 add_com_alias ("file", "list", class_files, 1);
1242 c = add_com ("disassemble", class_vars, disassemble_command,
1243 "Disassemble a specified section of memory.\n\
1244 Default is the function surrounding the pc of the selected frame.\n\
1245 With a single argument, the function surrounding that address is dumped.\n\
1246 Two arguments are taken as a range of memory to dump.");
1247 set_cmd_completer (c, location_completer);
1249 add_com_alias ("va", "disassemble", class_xdb, 0);
1251 /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would
1252 be a really useful feature. Unfortunately, the below wont do
1253 this. Instead it adds support for the form ``(gdb) ! ls''
1254 (i.e. the space is required). If the ``!'' command below is
1255 added the complains about no ``!'' command would be replaced by
1256 complains about how the ``!'' command is broken :-) */
1258 add_com_alias ("!", "shell", class_support, 0);
1260 c = add_com ("make", class_support, make_command,
1261 "Run the ``make'' program using the rest of the line as arguments.");
1262 set_cmd_completer (c, filename_completer);
1263 add_cmd ("user", no_class, show_user,
1264 "Show definitions of user defined commands.\n\
1265 Argument is the name of the user defined command.\n\
1266 With no argument, show definitions of all user defined commands.", &showlist);
1267 add_com ("apropos", class_support, apropos_command, "Search for commands matching a REGEXP");
1270 add_set_cmd ("max-user-call-depth", no_class, var_integer,
1271 (char *) &max_user_call_depth,
1272 "Set the max call depth for user-defined commands.\n",