3 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009
4 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 #include "arch-utils.h"
23 #include "readline/readline.h"
24 #include "readline/tilde.h"
25 #include "completer.h"
26 #include "target.h" /* For baud_rate, remote_debug and remote_timeout */
27 #include "gdb_wait.h" /* For shell escape implementation */
28 #include "gdb_regex.h" /* Used by apropos_command */
29 #include "gdb_string.h"
30 #include "gdb_vfork.h"
32 #include "expression.h"
36 #include "filenames.h" /* for DOSish file names */
44 #include "cli/cli-decode.h"
45 #include "cli/cli-script.h"
46 #include "cli/cli-setshow.h"
47 #include "cli/cli-cmds.h"
50 #include "tui/tui.h" /* For tui_active et.al. */
55 /* Prototypes for local command functions */
57 static void complete_command (char *, int);
59 static void echo_command (char *, int);
61 static void pwd_command (char *, int);
63 static void show_version (char *, int);
65 static void help_command (char *, int);
67 static void show_command (char *, int);
69 static void info_command (char *, int);
71 static void show_debug (char *, int);
73 static void set_debug (char *, int);
75 static void show_user (char *, int);
77 static void make_command (char *, int);
79 static void shell_escape (char *, int);
81 static void edit_command (char *, int);
83 static void list_command (char *, int);
85 void apropos_command (char *, int);
87 /* Prototypes for local utility functions */
89 static void ambiguous_line_spec (struct symtabs_and_lines
*);
91 /* Limit the call depth of user-defined commands */
92 int max_user_call_depth
;
94 /* Define all cmd_list_elements. */
96 /* Chain containing all defined commands. */
98 struct cmd_list_element
*cmdlist
;
100 /* Chain containing all defined info subcommands. */
102 struct cmd_list_element
*infolist
;
104 /* Chain containing all defined enable subcommands. */
106 struct cmd_list_element
*enablelist
;
108 /* Chain containing all defined disable subcommands. */
110 struct cmd_list_element
*disablelist
;
112 /* Chain containing all defined toggle subcommands. */
114 struct cmd_list_element
*togglelist
;
116 /* Chain containing all defined stop subcommands. */
118 struct cmd_list_element
*stoplist
;
120 /* Chain containing all defined delete subcommands. */
122 struct cmd_list_element
*deletelist
;
124 /* Chain containing all defined detach subcommands. */
126 struct cmd_list_element
*detachlist
;
128 /* Chain containing all defined "enable breakpoint" subcommands. */
130 struct cmd_list_element
*enablebreaklist
;
132 /* Chain containing all defined set subcommands */
134 struct cmd_list_element
*setlist
;
136 /* Chain containing all defined unset subcommands */
138 struct cmd_list_element
*unsetlist
;
140 /* Chain containing all defined show subcommands. */
142 struct cmd_list_element
*showlist
;
144 /* Chain containing all defined \"set history\". */
146 struct cmd_list_element
*sethistlist
;
148 /* Chain containing all defined \"show history\". */
150 struct cmd_list_element
*showhistlist
;
152 /* Chain containing all defined \"unset history\". */
154 struct cmd_list_element
*unsethistlist
;
156 /* Chain containing all defined maintenance subcommands. */
158 struct cmd_list_element
*maintenancelist
;
160 /* Chain containing all defined "maintenance info" subcommands. */
162 struct cmd_list_element
*maintenanceinfolist
;
164 /* Chain containing all defined "maintenance print" subcommands. */
166 struct cmd_list_element
*maintenanceprintlist
;
168 struct cmd_list_element
*setprintlist
;
170 struct cmd_list_element
*showprintlist
;
172 struct cmd_list_element
*setdebuglist
;
174 struct cmd_list_element
*showdebuglist
;
176 struct cmd_list_element
*setchecklist
;
178 struct cmd_list_element
*showchecklist
;
180 /* Command tracing state. */
182 int source_verbose
= 0;
183 int trace_commands
= 0;
185 /* Utility used everywhere when at least one argument is needed and
189 error_no_arg (char *why
)
191 error (_("Argument required (%s)."), why
);
194 /* The "info" command is defined as a prefix, with allow_unknown = 0.
195 Therefore, its own definition is called only for "info" with no args. */
198 info_command (char *arg
, int from_tty
)
200 printf_unfiltered (_("\"info\" must be followed by the name of an info command.\n"));
201 help_list (infolist
, "info ", -1, gdb_stdout
);
204 /* The "show" command with no arguments shows all the settings. */
207 show_command (char *arg
, int from_tty
)
209 cmd_show_list (showlist
, from_tty
, "");
212 /* Provide documentation on command or list given by COMMAND. FROM_TTY
216 help_command (char *command
, int from_tty
)
218 help_cmd (command
, gdb_stdout
);
221 /* String compare function for qsort. */
223 compare_strings (const void *arg1
, const void *arg2
)
225 const char **s1
= (const char **) arg1
;
226 const char **s2
= (const char **) arg2
;
227 return strcmp (*s1
, *s2
);
230 /* The "complete" command is used by Emacs to implement completion. */
233 complete_command (char *arg
, int from_tty
)
237 char **completions
, *point
, *arg_prefix
;
243 argpoint
= strlen (arg
);
245 /* complete_line assumes that its first argument is somewhere within,
246 and except for filenames at the beginning of, the word to be completed.
247 The following crude imitation of readline's word-breaking tries to
249 point
= arg
+ argpoint
;
252 if (strchr (rl_completer_word_break_characters
, point
[-1]) != 0)
257 arg_prefix
= alloca (point
- arg
+ 1);
258 memcpy (arg_prefix
, arg
, point
- arg
);
259 arg_prefix
[point
- arg
] = 0;
261 completions
= complete_line (point
, arg
, argpoint
);
267 for (size
= 0; completions
[size
]; ++size
)
269 qsort (completions
, size
, sizeof (char *), compare_strings
);
271 /* We do extra processing here since we only want to print each
277 printf_unfiltered ("%s%s\n", arg_prefix
, completions
[item
]);
278 next_item
= item
+ 1;
279 while (next_item
< size
280 && ! strcmp (completions
[item
], completions
[next_item
]))
282 xfree (completions
[next_item
]);
286 xfree (completions
[item
]);
295 is_complete_command (struct cmd_list_element
*c
)
297 return cmd_cfunc_eq (c
, complete_command
);
301 show_version (char *args
, int from_tty
)
304 print_gdb_version (gdb_stdout
);
305 printf_filtered ("\n");
309 /* Handle the quit command. */
312 quit_command (char *args
, int from_tty
)
314 if (!quit_confirm ())
315 error (_("Not confirmed."));
316 quit_force (args
, from_tty
);
320 pwd_command (char *args
, int from_tty
)
323 error (_("The \"pwd\" command does not take an argument: %s"), args
);
324 if (! getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
)))
325 error (_("Error finding name of working directory: %s"),
326 safe_strerror (errno
));
328 if (strcmp (gdb_dirbuf
, current_directory
) != 0)
329 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
330 current_directory
, gdb_dirbuf
);
332 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
336 cd_command (char *dir
, int from_tty
)
339 /* Found something other than leading repetitions of "/..". */
343 /* If the new directory is absolute, repeat is a no-op; if relative,
344 repeat might be useful but is more likely to be a mistake. */
348 error_no_arg (_("new working directory"));
350 dir
= tilde_expand (dir
);
351 make_cleanup (xfree
, dir
);
354 perror_with_name (dir
);
356 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
357 /* There's too much mess with DOSish names like "d:", "d:.",
358 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
359 simply get the canonicalized name of the current directory. */
360 dir
= getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
));
364 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
366 /* Remove the trailing slash unless this is a root directory
367 (including a drive letter on non-Unix systems). */
368 if (!(len
== 1) /* "/" */
369 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
370 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
376 dir
= savestring (dir
, len
);
377 if (IS_ABSOLUTE_PATH (dir
))
378 current_directory
= dir
;
381 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
382 current_directory
= concat (current_directory
, dir
, (char *)NULL
);
384 current_directory
= concat (current_directory
, SLASH_STRING
,
389 /* Now simplify any occurrences of `.' and `..' in the pathname. */
392 for (p
= current_directory
; *p
;)
394 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
395 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
397 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
398 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
402 /* Search backwards for the directory just before the "/.."
403 and obliterate it and the "/..". */
405 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
408 if (q
== current_directory
)
409 /* current_directory is
410 a relative pathname ("can't happen"--leave it alone). */
414 strcpy (q
- 1, p
+ 3);
419 /* We are dealing with leading repetitions of "/..", for example
420 "/../..", which is the Mach super-root. */
430 forget_cached_source_info ();
433 pwd_command ((char *) 0, 1);
437 source_script (char *file
, int from_tty
)
440 struct cleanup
*old_cleanups
;
441 char *full_pathname
= NULL
;
444 if (file
== NULL
|| *file
== 0)
446 error (_("source command requires file name of file to source."));
449 file
= tilde_expand (file
);
450 old_cleanups
= make_cleanup (xfree
, file
);
452 /* Search for and open 'file' on the search path used for source
453 files. Put the full location in 'full_pathname'. */
454 fd
= openp (source_path
, OPF_TRY_CWD_FIRST
,
455 file
, O_RDONLY
, &full_pathname
);
456 make_cleanup (xfree
, full_pathname
);
458 /* Use the full path name, if it is found. */
459 if (full_pathname
!= NULL
&& fd
!= -1)
461 file
= full_pathname
;
467 perror_with_name (file
);
470 do_cleanups (old_cleanups
);
475 stream
= fdopen (fd
, FOPEN_RT
);
476 script_from_file (stream
, file
);
478 do_cleanups (old_cleanups
);
481 /* Return the source_verbose global variable to its previous state
482 on exit from the source command, by whatever means. */
484 source_verbose_cleanup (void *old_value
)
486 source_verbose
= *(int *)old_value
;
491 source_command (char *args
, int from_tty
)
493 struct cleanup
*old_cleanups
;
495 int *old_source_verbose
= xmalloc (sizeof(int));
497 *old_source_verbose
= source_verbose
;
498 old_cleanups
= make_cleanup (source_verbose_cleanup
, old_source_verbose
);
500 /* -v causes the source command to run in verbose mode.
501 We still have to be able to handle filenames with spaces in a
502 backward compatible way, so buildargv is not appropriate. */
506 /* Make sure leading white space does not break the comparisons. */
507 while (isspace(args
[0]))
510 /* Is -v the first thing in the string? */
511 if (args
[0] == '-' && args
[1] == 'v' && isspace (args
[2]))
515 /* Trim -v and whitespace from the filename. */
517 while (isspace (file
[0]))
522 source_script (file
, from_tty
);
527 echo_command (char *text
, int from_tty
)
533 while ((c
= *p
++) != '\0')
537 /* \ at end of argument is used after spaces
538 so they won't be lost. */
542 c
= parse_escape (&p
);
544 printf_filtered ("%c", c
);
547 printf_filtered ("%c", c
);
550 /* Force this output to appear now. */
552 gdb_flush (gdb_stdout
);
556 shell_escape (char *arg
, int from_tty
)
558 #if defined(CANT_FORK) || \
559 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
560 /* If ARG is NULL, they want an inferior shell, but `system' just
561 reports if the shell is available when passed a NULL arg. */
562 int rc
= system (arg
? arg
: "");
565 arg
= "inferior shell";
569 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
570 safe_strerror (errno
));
571 gdb_flush (gdb_stderr
);
575 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
576 gdb_flush (gdb_stderr
);
579 /* Make sure to return to the directory GDB thinks it is, in case the
580 shell command we just ran changed it. */
581 chdir (current_directory
);
583 #else /* Can fork. */
586 if ((pid
= vfork ()) == 0)
588 char *p
, *user_shell
;
590 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
591 user_shell
= "/bin/sh";
593 /* Get the name of the shell for arg0 */
594 if ((p
= strrchr (user_shell
, '/')) == NULL
)
597 p
++; /* Get past '/' */
600 execl (user_shell
, p
, (char *) 0);
602 execl (user_shell
, p
, "-c", arg
, (char *) 0);
604 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
605 safe_strerror (errno
));
606 gdb_flush (gdb_stderr
);
611 while ((rc
= wait (&status
)) != pid
&& rc
!= -1)
614 error (_("Fork failed"));
615 #endif /* Can fork. */
619 edit_command (char *arg
, int from_tty
)
621 struct symtabs_and_lines sals
;
622 struct symtab_and_line sal
;
628 /* Pull in the current default source line if necessary. */
631 set_default_source_symtab_and_line ();
632 sal
= get_current_source_symtab_and_line ();
635 /* bare "edit" edits file with present line. */
640 error (_("No default source file yet."));
641 sal
.line
+= get_lines_to_list () / 2;
646 /* Now should only be one argument -- decode it in SAL. */
649 sals
= decode_line_1 (&arg1
, 0, 0, 0, 0, 0);
658 ambiguous_line_spec (&sals
);
667 error (_("Junk at end of line specification."));
669 /* If line was specified by address,
670 first print exactly which line, and which file.
671 In this case, sal.symtab == 0 means address is outside
672 of all known source files, not that user failed to give a filename. */
675 struct gdbarch
*gdbarch
;
677 /* FIXME-32x64--assumes sal.pc fits in long. */
678 error (_("No source file for address %s."),
679 hex_string ((unsigned long) sal
.pc
));
681 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
682 sym
= find_pc_function (sal
.pc
);
684 printf_filtered ("%s is in %s (%s:%d).\n",
685 paddress (gdbarch
, sal
.pc
),
686 SYMBOL_PRINT_NAME (sym
),
687 sal
.symtab
->filename
, sal
.line
);
689 printf_filtered ("%s is at %s:%d.\n",
690 paddress (gdbarch
, sal
.pc
),
691 sal
.symtab
->filename
, sal
.line
);
694 /* If what was given does not imply a symtab, it must be an undebuggable
695 symbol which means no source code. */
698 error (_("No line number known for %s."), arg
);
701 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
704 /* If we don't already know the full absolute file name of the
705 source file, find it now. */
706 if (!sal
.symtab
->fullname
)
708 fn
= symtab_to_fullname (sal
.symtab
);
713 fn
= sal
.symtab
->fullname
;
715 /* Quote the file name, in case it has whitespace or other special
717 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
718 shell_escape (p
, from_tty
);
723 list_command (char *arg
, int from_tty
)
725 struct symtabs_and_lines sals
, sals_end
;
726 struct symtab_and_line sal
= { 0 };
727 struct symtab_and_line sal_end
= { 0 };
728 struct symtab_and_line cursal
= { 0 };
737 /* Pull in the current default source line if necessary */
738 if (arg
== 0 || arg
[0] == '+' || arg
[0] == '-')
740 set_default_source_symtab_and_line ();
741 cursal
= get_current_source_symtab_and_line ();
744 /* "l" or "l +" lists next ten lines. */
746 if (arg
== 0 || strcmp (arg
, "+") == 0)
748 print_source_lines (cursal
.symtab
, cursal
.line
,
749 cursal
.line
+ get_lines_to_list (), 0);
753 /* "l -" lists previous ten lines, the ones before the ten just listed. */
754 if (strcmp (arg
, "-") == 0)
756 print_source_lines (cursal
.symtab
,
757 max (get_first_line_listed () - get_lines_to_list (), 1),
758 get_first_line_listed (), 0);
762 /* Now if there is only one argument, decode it in SAL
764 If there are two arguments, decode them in SAL and SAL_END
765 and clear NO_END; however, if one of the arguments is blank,
766 set DUMMY_BEG or DUMMY_END to record that fact. */
768 if (!have_full_symbols () && !have_partial_symbols ())
769 error (_("No symbol table is loaded. Use the \"file\" command."));
776 sals
= decode_line_1 (&arg1
, 0, 0, 0, 0, 0);
782 ambiguous_line_spec (&sals
);
791 /* Record whether the BEG arg is all digits. */
793 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
794 linenum_beg
= (p
== arg1
);
796 while (*arg1
== ' ' || *arg1
== '\t')
802 while (*arg1
== ' ' || *arg1
== '\t')
809 sals_end
= decode_line_1 (&arg1
, 0, 0, 0, 0, 0);
811 sals_end
= decode_line_1 (&arg1
, 0, sal
.symtab
, sal
.line
, 0, 0);
812 if (sals_end
.nelts
== 0)
814 if (sals_end
.nelts
> 1)
816 ambiguous_line_spec (&sals_end
);
817 xfree (sals_end
.sals
);
820 sal_end
= sals_end
.sals
[0];
821 xfree (sals_end
.sals
);
826 error (_("Junk at end of line specification."));
828 if (!no_end
&& !dummy_beg
&& !dummy_end
829 && sal
.symtab
!= sal_end
.symtab
)
830 error (_("Specified start and end are in different files."));
831 if (dummy_beg
&& dummy_end
)
832 error (_("Two empty args do not say what lines to list."));
834 /* if line was specified by address,
835 first print exactly which line, and which file.
836 In this case, sal.symtab == 0 means address is outside
837 of all known source files, not that user failed to give a filename. */
840 struct gdbarch
*gdbarch
;
842 /* FIXME-32x64--assumes sal.pc fits in long. */
843 error (_("No source file for address %s."),
844 hex_string ((unsigned long) sal
.pc
));
846 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
847 sym
= find_pc_function (sal
.pc
);
849 printf_filtered ("%s is in %s (%s:%d).\n",
850 paddress (gdbarch
, sal
.pc
),
851 SYMBOL_PRINT_NAME (sym
),
852 sal
.symtab
->filename
, sal
.line
);
854 printf_filtered ("%s is at %s:%d.\n",
855 paddress (gdbarch
, sal
.pc
),
856 sal
.symtab
->filename
, sal
.line
);
859 /* If line was not specified by just a line number,
860 and it does not imply a symtab, it must be an undebuggable symbol
861 which means no source code. */
863 if (!linenum_beg
&& sal
.symtab
== 0)
864 error (_("No line number known for %s."), arg
);
866 /* If this command is repeated with RET,
867 turn it into the no-arg variant. */
872 if (dummy_beg
&& sal_end
.symtab
== 0)
873 error (_("No default source file yet. Do \"help list\"."));
875 print_source_lines (sal_end
.symtab
,
876 max (sal_end
.line
- (get_lines_to_list () - 1), 1),
877 sal_end
.line
+ 1, 0);
878 else if (sal
.symtab
== 0)
879 error (_("No default source file yet. Do \"help list\"."));
882 int first_line
= sal
.line
- get_lines_to_list () / 2;
884 if (first_line
< 1) first_line
= 1;
886 print_source_lines (sal
.symtab
,
888 first_line
+ get_lines_to_list (),
892 print_source_lines (sal
.symtab
, sal
.line
,
894 ? sal
.line
+ get_lines_to_list ()
899 /* Subroutine of disassemble_command to simplify it.
900 Perform the disassembly.
901 NAME is the name of the function if known, or NULL.
902 [LOW,HIGH) are the range of addresses to disassemble.
903 MIXED is non-zero to print source with the assembler. */
906 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
907 CORE_ADDR low
, CORE_ADDR high
, int mixed
)
910 if (!tui_is_window_visible (DISASSEM_WIN
))
913 printf_filtered ("Dump of assembler code ");
915 printf_filtered ("for function %s:\n", name
);
917 printf_filtered ("from %s to %s:\n",
918 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
920 /* Dump the specified range. */
921 gdb_disassembly (gdbarch
, uiout
, 0, mixed
, -1, low
, high
);
923 printf_filtered ("End of assembler dump.\n");
924 gdb_flush (gdb_stdout
);
929 tui_show_assembly (gdbarch
, low
);
934 /* Subroutine of disassemble_command to simplify it.
935 Print a disassembly of the current function.
936 MIXED is non-zero to print source with the assembler. */
939 disassemble_current_function (int mixed
)
941 struct frame_info
*frame
;
942 struct gdbarch
*gdbarch
;
943 CORE_ADDR low
, high
, pc
;
946 frame
= get_selected_frame (_("No frame selected."));
947 gdbarch
= get_frame_arch (frame
);
948 pc
= get_frame_pc (frame
);
949 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
950 error (_("No function contains program counter for selected frame."));
952 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
955 /* FIXME: cagney/2004-02-07: This should be an observer. */
956 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
958 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
960 print_disassembly (gdbarch
, name
, low
, high
, mixed
);
963 /* Dump a specified section of assembly code.
967 - dump the assembly code for the function of the current pc
968 disassemble [/m] addr
969 - dump the assembly code for the function at ADDR
970 disassemble [/m] low high
971 - dump the assembly code in the range [LOW,HIGH)
973 A /m modifier will include source code with the assembly. */
976 disassemble_command (char *arg
, int from_tty
)
978 struct gdbarch
*gdbarch
= get_current_arch ();
981 CORE_ADDR pc
, pc_masked
;
983 int mixed_source_and_assembly
;
986 mixed_source_and_assembly
= 0;
988 if (arg
&& *arg
== '/')
993 error (_("Missing modifier."));
995 while (*arg
&& ! isspace (*arg
))
1000 mixed_source_and_assembly
= 1;
1003 error (_("Invalid disassembly modifier."));
1007 while (isspace (*arg
))
1011 if (! arg
|| ! *arg
)
1013 disassemble_current_function (mixed_source_and_assembly
);
1017 /* FIXME: 'twould be nice to allow spaces in the expression for the first
1018 arg. Allow comma separater too? */
1020 if (!(space_index
= (char *) strchr (arg
, ' ')))
1023 pc
= parse_and_eval_address (arg
);
1024 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1025 error (_("No function contains specified address."));
1027 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1030 /* FIXME: cagney/2004-02-07: This should be an observer. */
1031 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1033 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1037 /* Two arguments. */
1038 *space_index
= '\0';
1039 low
= parse_and_eval_address (arg
);
1040 high
= parse_and_eval_address (space_index
+ 1);
1043 print_disassembly (gdbarch
, name
, low
, high
, mixed_source_and_assembly
);
1047 make_command (char *arg
, int from_tty
)
1055 p
= xmalloc (sizeof ("make ") + strlen (arg
));
1056 strcpy (p
, "make ");
1057 strcpy (p
+ sizeof ("make ") - 1, arg
);
1060 shell_escape (p
, from_tty
);
1064 show_user (char *args
, int from_tty
)
1066 struct cmd_list_element
*c
;
1067 extern struct cmd_list_element
*cmdlist
;
1071 char *comname
= args
;
1072 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1073 if (c
->class != class_user
)
1074 error (_("Not a user command."));
1075 show_user_1 (c
, "", args
, gdb_stdout
);
1079 for (c
= cmdlist
; c
; c
= c
->next
)
1081 if (c
->class == class_user
|| c
->prefixlist
!= NULL
)
1082 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1087 /* Search through names of commands and documentations for a certain
1091 apropos_command (char *searchstr
, int from_tty
)
1093 extern struct cmd_list_element
*cmdlist
; /*This is the main command list*/
1095 char *pattern_fastmap
;
1096 char errorbuffer
[512];
1097 pattern_fastmap
= xcalloc (256, sizeof (char));
1098 if (searchstr
== NULL
)
1099 error (_("REGEXP string is empty"));
1101 if (regcomp(&pattern
,searchstr
,REG_ICASE
) == 0)
1103 pattern
.fastmap
=pattern_fastmap
;
1104 re_compile_fastmap(&pattern
);
1105 apropos_cmd (gdb_stdout
,cmdlist
,&pattern
,"");
1109 regerror(regcomp(&pattern
,searchstr
,REG_ICASE
),NULL
,errorbuffer
,512);
1110 error (_("Error in regular expression:%s"),errorbuffer
);
1112 xfree (pattern_fastmap
);
1115 /* Print a list of files and line numbers which a user may choose from
1116 in order to list a function which was specified ambiguously (as with
1117 `list classname::overloadedfuncname', for example). The vector in
1118 SALS provides the filenames and line numbers. */
1121 ambiguous_line_spec (struct symtabs_and_lines
*sals
)
1125 for (i
= 0; i
< sals
->nelts
; ++i
)
1126 printf_filtered (_("file: \"%s\", line number: %d\n"),
1127 sals
->sals
[i
].symtab
->filename
, sals
->sals
[i
].line
);
1131 set_debug (char *arg
, int from_tty
)
1133 printf_unfiltered (_("\"set debug\" must be followed by the name of a debug subcommand.\n"));
1134 help_list (setdebuglist
, "set debug ", -1, gdb_stdout
);
1138 show_debug (char *args
, int from_tty
)
1140 cmd_show_list (showdebuglist
, from_tty
, "");
1144 init_cmd_lists (void)
1146 max_user_call_depth
= 1024;
1156 enablebreaklist
= NULL
;
1161 showhistlist
= NULL
;
1162 unsethistlist
= NULL
;
1163 maintenancelist
= NULL
;
1164 maintenanceinfolist
= NULL
;
1165 maintenanceprintlist
= NULL
;
1166 setprintlist
= NULL
;
1167 showprintlist
= NULL
;
1168 setchecklist
= NULL
;
1169 showchecklist
= NULL
;
1173 show_info_verbose (struct ui_file
*file
, int from_tty
,
1174 struct cmd_list_element
*c
,
1178 fprintf_filtered (file
, _("\
1179 Verbose printing of informational messages is %s.\n"), value
);
1181 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1185 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1186 struct cmd_list_element
*c
, const char *value
)
1188 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1193 show_baud_rate (struct ui_file
*file
, int from_tty
,
1194 struct cmd_list_element
*c
, const char *value
)
1196 fprintf_filtered (file
, _("Baud rate for remote serial I/O is %s.\n"),
1201 show_remote_debug (struct ui_file
*file
, int from_tty
,
1202 struct cmd_list_element
*c
, const char *value
)
1204 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1209 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1210 struct cmd_list_element
*c
, const char *value
)
1212 fprintf_filtered (file
, _("\
1213 Timeout limit to wait for target to respond is %s.\n"),
1218 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1219 struct cmd_list_element
*c
, const char *value
)
1221 fprintf_filtered (file
, _("\
1222 The max call depth for user-defined commands is %s.\n"),
1228 init_cli_cmds (void)
1230 struct cmd_list_element
*c
;
1231 char *source_help_text
;
1233 /* Define the classes of commands.
1234 They will appear in the help list in the reverse of this order. */
1236 add_cmd ("internals", class_maintenance
, NULL
, _("\
1237 Maintenance commands.\n\
1238 Some gdb commands are provided just for use by gdb maintainers.\n\
1239 These commands are subject to frequent change, and may not be as\n\
1240 well documented as user commands."),
1242 add_cmd ("obscure", class_obscure
, NULL
, _("Obscure features."), &cmdlist
);
1243 add_cmd ("aliases", class_alias
, NULL
, _("Aliases of other commands."), &cmdlist
);
1244 add_cmd ("user-defined", class_user
, NULL
, _("\
1245 User-defined commands.\n\
1246 The commands in this class are those defined by the user.\n\
1247 Use the \"define\" command to define a command."), &cmdlist
);
1248 add_cmd ("support", class_support
, NULL
, _("Support facilities."), &cmdlist
);
1250 add_cmd ("status", class_info
, NULL
, _("Status inquiries."), &cmdlist
);
1251 add_cmd ("files", class_files
, NULL
, _("Specifying and examining files."),
1253 add_cmd ("breakpoints", class_breakpoint
, NULL
,
1254 _("Making program stop at certain points."), &cmdlist
);
1255 add_cmd ("data", class_vars
, NULL
, _("Examining data."), &cmdlist
);
1256 add_cmd ("stack", class_stack
, NULL
, _("\
1257 Examining the stack.\n\
1258 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1259 counting from zero for the innermost (currently executing) frame.\n\n\
1260 At any time gdb identifies one frame as the \"selected\" frame.\n\
1261 Variable lookups are done with respect to the selected frame.\n\
1262 When the program being debugged stops, gdb selects the innermost frame.\n\
1263 The commands below can be used to select other frames by number or address."),
1265 add_cmd ("running", class_run
, NULL
, _("Running the program."), &cmdlist
);
1267 /* Define general commands. */
1269 add_com ("pwd", class_files
, pwd_command
, _("\
1270 Print working directory. This is used for your program as well."));
1272 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1273 Set working directory to DIR for debugger and program being debugged.\n\
1274 The change does not take effect for the program being debugged\n\
1275 until the next time it is started."), &cmdlist
);
1276 set_cmd_completer (c
, filename_completer
);
1278 add_com ("echo", class_support
, echo_command
, _("\
1279 Print a constant string. Give string as argument.\n\
1280 C escape sequences may be used in the argument.\n\
1281 No newline is added at the end of the argument;\n\
1282 use \"\\n\" if you want a newline to be printed.\n\
1283 Since leading and trailing whitespace are ignored in command arguments,\n\
1284 if you want to print some you must use \"\\\" before leading whitespace\n\
1285 to be printed or after trailing whitespace."));
1286 add_com ("document", class_support
, document_command
, _("\
1287 Document a user-defined command.\n\
1288 Give command name as argument. Give documentation on following lines.\n\
1289 End with a line of just \"end\"."));
1290 add_com ("define", class_support
, define_command
, _("\
1291 Define a new command name. Command name is argument.\n\
1292 Definition appears on following lines, one command per line.\n\
1293 End with a line of just \"end\".\n\
1294 Use the \"document\" command to give documentation for the new command.\n\
1295 Commands defined in this way may have up to ten arguments."));
1297 source_help_text
= xstrprintf (_("\
1298 Read commands from a file named FILE.\n\
1299 Optional -v switch (before the filename) causes each command in\n\
1300 FILE to be echoed as it is executed.\n\
1301 Note that the file \"%s\" is read automatically in this way\n\
1302 when GDB is started."), gdbinit
);
1303 c
= add_cmd ("source", class_support
, source_command
,
1304 source_help_text
, &cmdlist
);
1305 set_cmd_completer (c
, filename_completer
);
1307 add_com ("quit", class_support
, quit_command
, _("Exit gdb."));
1308 c
= add_com ("help", class_support
, help_command
,
1309 _("Print list of commands."));
1310 set_cmd_completer (c
, command_completer
);
1311 add_com_alias ("q", "quit", class_support
, 1);
1312 add_com_alias ("h", "help", class_support
, 1);
1314 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1315 Set verbosity."), _("\
1316 Show verbosity."), NULL
,
1319 &setlist
, &showlist
);
1321 add_prefix_cmd ("history", class_support
, set_history
,
1322 _("Generic command for setting command history parameters."),
1323 &sethistlist
, "set history ", 0, &setlist
);
1324 add_prefix_cmd ("history", class_support
, show_history
,
1325 _("Generic command for showing command history parameters."),
1326 &showhistlist
, "show history ", 0, &showlist
);
1328 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1329 Set history expansion on command input."), _("\
1330 Show history expansion on command input."), _("\
1331 Without an argument, history expansion is enabled."),
1333 show_history_expansion_p
,
1334 &sethistlist
, &showhistlist
);
1336 add_prefix_cmd ("info", class_info
, info_command
, _("\
1337 Generic command for showing things about the program being debugged."),
1338 &infolist
, "info ", 0, &cmdlist
);
1339 add_com_alias ("i", "info", class_info
, 1);
1341 add_com ("complete", class_obscure
, complete_command
,
1342 _("List the completions for the rest of the line as a command."));
1344 add_prefix_cmd ("show", class_info
, show_command
, _("\
1345 Generic command for showing things about the debugger."),
1346 &showlist
, "show ", 0, &cmdlist
);
1347 /* Another way to get at the same thing. */
1348 add_info ("set", show_command
, _("Show all GDB settings."));
1350 add_cmd ("commands", no_class
, show_commands
, _("\
1351 Show the history of commands you typed.\n\
1352 You can supply a command number to start with, or a `+' to start after\n\
1353 the previous command number shown."),
1356 add_cmd ("version", no_class
, show_version
,
1357 _("Show what version of GDB this is."), &showlist
);
1359 add_com ("while", class_support
, while_command
, _("\
1360 Execute nested commands WHILE the conditional expression is non zero.\n\
1361 The conditional expression must follow the word `while' and must in turn be\n\
1362 followed by a new line. The nested commands must be entered one per line,\n\
1363 and should be terminated by the word `end'."));
1365 add_com ("if", class_support
, if_command
, _("\
1366 Execute nested commands once IF the conditional expression is non zero.\n\
1367 The conditional expression must follow the word `if' and must in turn be\n\
1368 followed by a new line. The nested commands must be entered one per line,\n\
1369 and should be terminated by the word 'else' or `end'. If an else clause\n\
1370 is used, the same rules apply to its nested commands as to the first ones."));
1372 /* If target is open when baud changes, it doesn't take effect until the
1373 next open (I think, not sure). */
1374 add_setshow_zinteger_cmd ("remotebaud", no_class
, &baud_rate
, _("\
1375 Set baud rate for remote serial I/O."), _("\
1376 Show baud rate for remote serial I/O."), _("\
1377 This value is used to set the speed of the serial port when debugging\n\
1378 using remote targets."),
1381 &setlist
, &showlist
);
1383 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1384 Set debugging of remote protocol."), _("\
1385 Show debugging of remote protocol."), _("\
1386 When enabled, each packet sent or received with the remote target\n\
1390 &setdebuglist
, &showdebuglist
);
1392 add_setshow_integer_cmd ("remotetimeout", no_class
, &remote_timeout
, _("\
1393 Set timeout limit to wait for target to respond."), _("\
1394 Show timeout limit to wait for target to respond."), _("\
1395 This value is used to set the time limit for gdb to wait for a response\n\
1398 show_remote_timeout
,
1399 &setlist
, &showlist
);
1401 add_prefix_cmd ("debug", no_class
, set_debug
,
1402 _("Generic command for setting gdb debugging flags"),
1403 &setdebuglist
, "set debug ", 0, &setlist
);
1405 add_prefix_cmd ("debug", no_class
, show_debug
,
1406 _("Generic command for showing gdb debugging flags"),
1407 &showdebuglist
, "show debug ", 0, &showlist
);
1409 c
= add_com ("shell", class_support
, shell_escape
, _("\
1410 Execute the rest of the line as a shell command.\n\
1411 With no arguments, run an inferior shell."));
1412 set_cmd_completer (c
, filename_completer
);
1414 c
= add_com ("edit", class_files
, edit_command
, _("\
1415 Edit specified file or function.\n\
1416 With no argument, edits file containing most recent line listed.\n\
1417 Editing targets can be specified in these ways:\n\
1418 FILE:LINENUM, to edit at that line in that file,\n\
1419 FUNCTION, to edit at the beginning of that function,\n\
1420 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1421 *ADDRESS, to edit at the line containing that address.\n\
1422 Uses EDITOR environment variable contents as editor (or ex as default)."));
1424 c
->completer
= location_completer
;
1426 add_com ("list", class_files
, list_command
, _("\
1427 List specified function or line.\n\
1428 With no argument, lists ten more lines after or around previous listing.\n\
1429 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1430 One argument specifies a line, and ten lines are listed around that line.\n\
1431 Two arguments with comma between specify starting and ending lines to list.\n\
1432 Lines can be specified in these ways:\n\
1433 LINENUM, to list around that line in current file,\n\
1434 FILE:LINENUM, to list around that line in that file,\n\
1435 FUNCTION, to list around beginning of that function,\n\
1436 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1437 *ADDRESS, to list around the line containing that address.\n\
1438 With two args if one is empty it stands for ten lines away from the other arg."));
1441 add_com_alias ("l", "list", class_files
, 1);
1443 add_com_alias ("v", "list", class_files
, 1);
1446 add_com_alias ("file", "list", class_files
, 1);
1448 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1449 Disassemble a specified section of memory.\n\
1450 Default is the function surrounding the pc of the selected frame.\n\
1451 With a /m modifier, source lines are included (if available).\n\
1452 With a single argument, the function surrounding that address is dumped.\n\
1453 Two arguments are taken as a range of memory to dump."));
1454 set_cmd_completer (c
, location_completer
);
1456 add_com_alias ("va", "disassemble", class_xdb
, 0);
1458 /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would
1459 be a really useful feature. Unfortunately, the below wont do
1460 this. Instead it adds support for the form ``(gdb) ! ls''
1461 (i.e. the space is required). If the ``!'' command below is
1462 added the complains about no ``!'' command would be replaced by
1463 complains about how the ``!'' command is broken :-) */
1465 add_com_alias ("!", "shell", class_support
, 0);
1467 c
= add_com ("make", class_support
, make_command
, _("\
1468 Run the ``make'' program using the rest of the line as arguments."));
1469 set_cmd_completer (c
, filename_completer
);
1470 add_cmd ("user", no_class
, show_user
, _("\
1471 Show definitions of user defined commands.\n\
1472 Argument is the name of the user defined command.\n\
1473 With no argument, show definitions of all user defined commands."), &showlist
);
1474 add_com ("apropos", class_support
, apropos_command
,
1475 _("Search for commands matching a REGEXP"));
1477 add_setshow_integer_cmd ("max-user-call-depth", no_class
,
1478 &max_user_call_depth
, _("\
1479 Set the max call depth for user-defined commands."), _("\
1480 Show the max call depth for user-defined commands."), NULL
,
1482 show_max_user_call_depth
,
1483 &setlist
, &showlist
);
1485 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1486 Set tracing of GDB CLI commands."), _("\
1487 Show state of GDB CLI command tracing."), _("\
1488 When 'on', each command is displayed as it is executed."),
1491 &setlist
, &showlist
);