1 /* Support for GDB maintenance commands.
3 Copyright (C) 1992-2014 Free Software Foundation, Inc.
5 Written by Fred Fish at Cygnus Support.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
24 #include "arch-utils.h"
36 #include "expression.h" /* For language.h */
41 #include "gdb_assert.h"
43 #include "timeval-utils.h"
46 #include "cli/cli-decode.h"
47 #include "cli/cli-utils.h"
48 #include "cli/cli-setshow.h"
50 extern void _initialize_maint_cmds (void);
52 static void maintenance_command (char *, int);
54 static void maintenance_internal_error (char *args
, int from_tty
);
56 static void maintenance_demangle (char *, int);
58 static void maintenance_time_display (char *, int);
60 static void maintenance_space_display (char *, int);
62 static void maintenance_info_command (char *, int);
64 static void maintenance_info_sections (char *, int);
66 static void maintenance_print_command (char *, int);
68 static void maintenance_do_deprecate (char *, int);
70 /* Set this to the maximum number of seconds to wait instead of waiting forever
71 in target_wait(). If this timer times out, then it generates an error and
72 the command is aborted. This replaces most of the need for timeouts in the
73 GDB test suite, and makes it possible to distinguish between a hung target
74 and one with slow communications. */
78 show_watchdog (struct ui_file
*file
, int from_tty
,
79 struct cmd_list_element
*c
, const char *value
)
81 fprintf_filtered (file
, _("Watchdog timer is %s.\n"), value
);
84 /* Access the maintenance subcommands. */
87 maintenance_command (char *args
, int from_tty
)
89 printf_unfiltered (_("\"maintenance\" must be followed by "
90 "the name of a maintenance command.\n"));
91 help_list (maintenancelist
, "maintenance ", all_commands
, gdb_stdout
);
96 maintenance_dump_me (char *args
, int from_tty
)
98 if (query (_("Should GDB dump core? ")))
101 /* SIGQUIT by default is ignored, so use SIGABRT instead. */
102 signal (SIGABRT
, SIG_DFL
);
103 kill (getpid (), SIGABRT
);
105 signal (SIGQUIT
, SIG_DFL
);
106 kill (getpid (), SIGQUIT
);
112 /* Stimulate the internal error mechanism that GDB uses when an
113 internal problem is detected. Allows testing of the mechanism.
114 Also useful when the user wants to drop a core file but not exit
118 maintenance_internal_error (char *args
, int from_tty
)
120 internal_error (__FILE__
, __LINE__
, "%s", (args
== NULL
? "" : args
));
123 /* Stimulate the internal error mechanism that GDB uses when an
124 internal problem is detected. Allows testing of the mechanism.
125 Also useful when the user wants to drop a core file but not exit
129 maintenance_internal_warning (char *args
, int from_tty
)
131 internal_warning (__FILE__
, __LINE__
, "%s", (args
== NULL
? "" : args
));
134 /* Someday we should allow demangling for things other than just
135 explicit strings. For example, we might want to be able to specify
136 the address of a string in either GDB's process space or the
137 debuggee's process space, and have gdb fetch and demangle that
138 string. If we have a char* pointer "ptr" that points to a string,
139 we might want to be able to given just the name and have GDB
140 demangle and print what it points to, etc. (FIXME) */
143 maintenance_demangle (char *args
, int from_tty
)
147 if (args
== NULL
|| *args
== '\0')
149 printf_unfiltered (_("\"maintenance demangle\" takes "
150 "an argument to demangle.\n"));
154 demangled
= language_demangle (current_language
, args
,
155 DMGL_ANSI
| DMGL_PARAMS
);
156 if (demangled
!= NULL
)
158 printf_unfiltered ("%s\n", demangled
);
163 printf_unfiltered (_("Can't demangle \"%s\"\n"), args
);
169 maintenance_time_display (char *args
, int from_tty
)
171 if (args
== NULL
|| *args
== '\0')
172 printf_unfiltered (_("\"maintenance time\" takes a numeric argument.\n"));
174 set_per_command_time (strtol (args
, NULL
, 10));
178 maintenance_space_display (char *args
, int from_tty
)
180 if (args
== NULL
|| *args
== '\0')
181 printf_unfiltered ("\"maintenance space\" takes a numeric argument.\n");
183 set_per_command_space (strtol (args
, NULL
, 10));
186 /* The "maintenance info" command is defined as a prefix, with
187 allow_unknown 0. Therefore, its own definition is called only for
188 "maintenance info" with no args. */
191 maintenance_info_command (char *arg
, int from_tty
)
193 printf_unfiltered (_("\"maintenance info\" must be followed "
194 "by the name of an info command.\n"));
195 help_list (maintenanceinfolist
, "maintenance info ", all_commands
,
199 /* Mini tokenizing lexer for 'maint info sections' command. */
202 match_substring (const char *string
, const char *substr
)
204 int substr_len
= strlen(substr
);
207 while ((tok
= strstr (string
, substr
)) != NULL
)
209 /* Got a partial match. Is it a whole word? */
214 /* Token is delimited at the front... */
215 if (tok
[substr_len
] == ' '
216 || tok
[substr_len
] == '\t'
217 || tok
[substr_len
] == '\0')
219 /* Token is delimited at the rear. Got a whole-word match. */
223 /* Token didn't match as a whole word. Advance and try again. */
230 match_bfd_flags (char *string
, flagword flags
)
232 if (flags
& SEC_ALLOC
)
233 if (match_substring (string
, "ALLOC"))
235 if (flags
& SEC_LOAD
)
236 if (match_substring (string
, "LOAD"))
238 if (flags
& SEC_RELOC
)
239 if (match_substring (string
, "RELOC"))
241 if (flags
& SEC_READONLY
)
242 if (match_substring (string
, "READONLY"))
244 if (flags
& SEC_CODE
)
245 if (match_substring (string
, "CODE"))
247 if (flags
& SEC_DATA
)
248 if (match_substring (string
, "DATA"))
251 if (match_substring (string
, "ROM"))
253 if (flags
& SEC_CONSTRUCTOR
)
254 if (match_substring (string
, "CONSTRUCTOR"))
256 if (flags
& SEC_HAS_CONTENTS
)
257 if (match_substring (string
, "HAS_CONTENTS"))
259 if (flags
& SEC_NEVER_LOAD
)
260 if (match_substring (string
, "NEVER_LOAD"))
262 if (flags
& SEC_COFF_SHARED_LIBRARY
)
263 if (match_substring (string
, "COFF_SHARED_LIBRARY"))
265 if (flags
& SEC_IS_COMMON
)
266 if (match_substring (string
, "IS_COMMON"))
273 print_bfd_flags (flagword flags
)
275 if (flags
& SEC_ALLOC
)
276 printf_filtered (" ALLOC");
277 if (flags
& SEC_LOAD
)
278 printf_filtered (" LOAD");
279 if (flags
& SEC_RELOC
)
280 printf_filtered (" RELOC");
281 if (flags
& SEC_READONLY
)
282 printf_filtered (" READONLY");
283 if (flags
& SEC_CODE
)
284 printf_filtered (" CODE");
285 if (flags
& SEC_DATA
)
286 printf_filtered (" DATA");
288 printf_filtered (" ROM");
289 if (flags
& SEC_CONSTRUCTOR
)
290 printf_filtered (" CONSTRUCTOR");
291 if (flags
& SEC_HAS_CONTENTS
)
292 printf_filtered (" HAS_CONTENTS");
293 if (flags
& SEC_NEVER_LOAD
)
294 printf_filtered (" NEVER_LOAD");
295 if (flags
& SEC_COFF_SHARED_LIBRARY
)
296 printf_filtered (" COFF_SHARED_LIBRARY");
297 if (flags
& SEC_IS_COMMON
)
298 printf_filtered (" IS_COMMON");
302 maint_print_section_info (const char *name
, flagword flags
,
303 CORE_ADDR addr
, CORE_ADDR endaddr
,
304 unsigned long filepos
, int addr_size
)
306 printf_filtered (" %s", hex_string_custom (addr
, addr_size
));
307 printf_filtered ("->%s", hex_string_custom (endaddr
, addr_size
));
308 printf_filtered (" at %s",
309 hex_string_custom ((unsigned long) filepos
, 8));
310 printf_filtered (": %s", name
);
311 print_bfd_flags (flags
);
312 printf_filtered ("\n");
316 print_bfd_section_info (bfd
*abfd
,
320 flagword flags
= bfd_get_section_flags (abfd
, asect
);
321 const char *name
= bfd_section_name (abfd
, asect
);
323 if (arg
== NULL
|| *((char *) arg
) == '\0'
324 || match_substring ((char *) arg
, name
)
325 || match_bfd_flags ((char *) arg
, flags
))
327 struct gdbarch
*gdbarch
= gdbarch_from_bfd (abfd
);
328 int addr_size
= gdbarch_addr_bit (gdbarch
) / 8;
329 CORE_ADDR addr
, endaddr
;
331 addr
= bfd_section_vma (abfd
, asect
);
332 endaddr
= addr
+ bfd_section_size (abfd
, asect
);
333 printf_filtered (" [%d] ", gdb_bfd_section_index (abfd
, asect
));
334 maint_print_section_info (name
, flags
, addr
, endaddr
,
335 asect
->filepos
, addr_size
);
340 print_objfile_section_info (bfd
*abfd
,
341 struct obj_section
*asect
,
344 flagword flags
= bfd_get_section_flags (abfd
, asect
->the_bfd_section
);
345 const char *name
= bfd_section_name (abfd
, asect
->the_bfd_section
);
347 if (string
== NULL
|| *string
== '\0'
348 || match_substring (string
, name
)
349 || match_bfd_flags (string
, flags
))
351 struct gdbarch
*gdbarch
= gdbarch_from_bfd (abfd
);
352 int addr_size
= gdbarch_addr_bit (gdbarch
) / 8;
354 maint_print_section_info (name
, flags
,
355 obj_section_addr (asect
),
356 obj_section_endaddr (asect
),
357 asect
->the_bfd_section
->filepos
,
363 maintenance_info_sections (char *arg
, int from_tty
)
367 printf_filtered (_("Exec file:\n"));
368 printf_filtered (" `%s', ", bfd_get_filename (exec_bfd
));
370 printf_filtered (_("file type %s.\n"), bfd_get_target (exec_bfd
));
371 if (arg
&& *arg
&& match_substring (arg
, "ALLOBJ"))
373 struct objfile
*ofile
;
374 struct obj_section
*osect
;
376 /* Only this function cares about the 'ALLOBJ' argument;
377 if 'ALLOBJ' is the only argument, discard it rather than
378 passing it down to print_objfile_section_info (which
379 wouldn't know how to handle it). */
380 if (strcmp (arg
, "ALLOBJ") == 0)
385 printf_filtered (_(" Object file: %s\n"),
386 bfd_get_filename (ofile
->obfd
));
387 ALL_OBJFILE_OSECTIONS (ofile
, osect
)
389 print_objfile_section_info (ofile
->obfd
, osect
, arg
);
394 bfd_map_over_sections (exec_bfd
, print_bfd_section_info
, arg
);
399 printf_filtered (_("Core file:\n"));
400 printf_filtered (" `%s', ", bfd_get_filename (core_bfd
));
402 printf_filtered (_("file type %s.\n"), bfd_get_target (core_bfd
));
403 bfd_map_over_sections (core_bfd
, print_bfd_section_info
, arg
);
408 maintenance_print_statistics (char *args
, int from_tty
)
410 print_objfile_statistics ();
411 print_symbol_bcache_statistics ();
415 maintenance_print_architecture (char *args
, int from_tty
)
417 struct gdbarch
*gdbarch
= get_current_arch ();
420 gdbarch_dump (gdbarch
, gdb_stdout
);
423 struct cleanup
*cleanups
;
424 struct ui_file
*file
= gdb_fopen (args
, "w");
427 perror_with_name (_("maintenance print architecture"));
428 cleanups
= make_cleanup_ui_file_delete (file
);
429 gdbarch_dump (gdbarch
, file
);
430 do_cleanups (cleanups
);
434 /* The "maintenance print" command is defined as a prefix, with
435 allow_unknown 0. Therefore, its own definition is called only for
436 "maintenance print" with no args. */
439 maintenance_print_command (char *arg
, int from_tty
)
441 printf_unfiltered (_("\"maintenance print\" must be followed "
442 "by the name of a print command.\n"));
443 help_list (maintenanceprintlist
, "maintenance print ", all_commands
,
447 /* The "maintenance translate-address" command converts a section and address
448 to a symbol. This can be called in two ways:
449 maintenance translate-address <secname> <addr>
450 or maintenance translate-address <addr>. */
453 maintenance_translate_address (char *arg
, int from_tty
)
456 struct obj_section
*sect
;
458 struct bound_minimal_symbol sym
;
459 struct objfile
*objfile
;
461 if (arg
== NULL
|| *arg
== 0)
462 error (_("requires argument (address or section + address)"));
468 { /* See if we have a valid section name. */
469 while (*p
&& !isspace (*p
)) /* Find end of section name. */
471 if (*p
== '\000') /* End of command? */
472 error (_("Need to specify <section-name> and <address>"));
476 ALL_OBJSECTIONS (objfile
, sect
)
478 if (strcmp (sect
->the_bfd_section
->name
, arg
) == 0)
483 error (_("Unknown section %s."), arg
);
486 address
= parse_and_eval_address (p
);
489 sym
= lookup_minimal_symbol_by_pc_section (address
, sect
);
491 sym
= lookup_minimal_symbol_by_pc (address
);
495 const char *symbol_name
= MSYMBOL_PRINT_NAME (sym
.minsym
);
496 const char *symbol_offset
497 = pulongest (address
- BMSYMBOL_VALUE_ADDRESS (sym
));
499 sect
= MSYMBOL_OBJ_SECTION(sym
.objfile
, sym
.minsym
);
502 const char *section_name
;
503 const char *obj_name
;
505 gdb_assert (sect
->the_bfd_section
&& sect
->the_bfd_section
->name
);
506 section_name
= sect
->the_bfd_section
->name
;
508 gdb_assert (sect
->objfile
&& objfile_name (sect
->objfile
));
509 obj_name
= objfile_name (sect
->objfile
);
511 if (MULTI_OBJFILE_P ())
512 printf_filtered (_("%s + %s in section %s of %s\n"),
513 symbol_name
, symbol_offset
,
514 section_name
, obj_name
);
516 printf_filtered (_("%s + %s in section %s\n"),
517 symbol_name
, symbol_offset
, section_name
);
520 printf_filtered (_("%s + %s\n"), symbol_name
, symbol_offset
);
523 printf_filtered (_("no symbol at %s:%s\n"),
524 sect
->the_bfd_section
->name
, hex_string (address
));
526 printf_filtered (_("no symbol at %s\n"), hex_string (address
));
532 /* When a command is deprecated the user will be warned the first time
533 the command is used. If possible, a replacement will be
537 maintenance_deprecate (char *args
, int from_tty
)
539 if (args
== NULL
|| *args
== '\0')
541 printf_unfiltered (_("\"maintenance deprecate\" takes an argument,\n\
542 the command you want to deprecate, and optionally the replacement command\n\
543 enclosed in quotes.\n"));
546 maintenance_do_deprecate (args
, 1);
552 maintenance_undeprecate (char *args
, int from_tty
)
554 if (args
== NULL
|| *args
== '\0')
556 printf_unfiltered (_("\"maintenance undeprecate\" takes an argument, \n\
557 the command you want to undeprecate.\n"));
560 maintenance_do_deprecate (args
, 0);
564 /* You really shouldn't be using this. It is just for the testsuite.
565 Rather, you should use deprecate_cmd() when the command is created
566 in _initialize_blah().
568 This function deprecates a command and optionally assigns it a
572 maintenance_do_deprecate (char *text
, int deprecate
)
574 struct cmd_list_element
*alias
= NULL
;
575 struct cmd_list_element
*prefix_cmd
= NULL
;
576 struct cmd_list_element
*cmd
= NULL
;
578 char *start_ptr
= NULL
;
579 char *end_ptr
= NULL
;
581 char *replacement
= NULL
;
586 if (!lookup_cmd_composition (text
, &alias
, &prefix_cmd
, &cmd
))
588 printf_filtered (_("Can't find command '%s' to deprecate.\n"), text
);
594 /* Look for a replacement command. */
595 start_ptr
= strchr (text
, '\"');
596 if (start_ptr
!= NULL
)
599 end_ptr
= strrchr (start_ptr
, '\"');
602 len
= end_ptr
- start_ptr
;
603 start_ptr
[len
] = '\0';
604 replacement
= xstrdup (start_ptr
);
609 if (!start_ptr
|| !end_ptr
)
613 /* If they used an alias, we only want to deprecate the alias.
615 Note the MALLOCED_REPLACEMENT test. If the command's replacement
616 string was allocated at compile time we don't want to free the
620 if (alias
->malloced_replacement
)
621 xfree (alias
->replacement
);
625 alias
->deprecated_warn_user
= 1;
626 alias
->cmd_deprecated
= 1;
630 alias
->deprecated_warn_user
= 0;
631 alias
->cmd_deprecated
= 0;
633 alias
->replacement
= replacement
;
634 alias
->malloced_replacement
= 1;
639 if (cmd
->malloced_replacement
)
640 xfree (cmd
->replacement
);
644 cmd
->deprecated_warn_user
= 1;
645 cmd
->cmd_deprecated
= 1;
649 cmd
->deprecated_warn_user
= 0;
650 cmd
->cmd_deprecated
= 0;
652 cmd
->replacement
= replacement
;
653 cmd
->malloced_replacement
= 1;
659 /* Maintenance set/show framework. */
661 struct cmd_list_element
*maintenance_set_cmdlist
;
662 struct cmd_list_element
*maintenance_show_cmdlist
;
665 maintenance_set_cmd (char *args
, int from_tty
)
667 printf_unfiltered (_("\"maintenance set\" must be followed "
668 "by the name of a set command.\n"));
669 help_list (maintenance_set_cmdlist
, "maintenance set ", all_commands
,
674 maintenance_show_cmd (char *args
, int from_tty
)
676 cmd_show_list (maintenance_show_cmdlist
, from_tty
, "");
679 /* Profiling support. */
681 static int maintenance_profile_p
;
683 show_maintenance_profile_p (struct ui_file
*file
, int from_tty
,
684 struct cmd_list_element
*c
, const char *value
)
686 fprintf_filtered (file
, _("Internal profiling is %s.\n"), value
);
691 #define TEXTEND &_etext
692 #elif defined (HAVE_ETEXT)
694 #define TEXTEND &etext
697 #if defined (HAVE_MONSTARTUP) && defined (HAVE__MCLEANUP) && defined (TEXTEND)
699 static int profiling_state
;
702 mcleanup_wrapper (void)
704 extern void _mcleanup (void);
711 maintenance_set_profile_cmd (char *args
, int from_tty
,
712 struct cmd_list_element
*c
)
714 if (maintenance_profile_p
== profiling_state
)
717 profiling_state
= maintenance_profile_p
;
719 if (maintenance_profile_p
)
721 static int profiling_initialized
;
723 extern void monstartup (unsigned long, unsigned long);
726 if (!profiling_initialized
)
728 atexit (mcleanup_wrapper
);
729 profiling_initialized
= 1;
732 /* "main" is now always the first function in the text segment, so use
733 its address for monstartup. */
734 monstartup ((unsigned long) &main
, (unsigned long) TEXTEND
);
738 extern void _mcleanup (void);
745 maintenance_set_profile_cmd (char *args
, int from_tty
,
746 struct cmd_list_element
*c
)
748 error (_("Profiling support is not available on this system."));
752 /* If nonzero, display time usage both at startup and for each command. */
754 static int per_command_time
;
756 /* If nonzero, display space usage both at startup and for each command. */
758 static int per_command_space
;
760 /* If nonzero, display basic symtab stats for each command. */
762 static int per_command_symtab
;
764 /* mt per-command commands. */
766 static struct cmd_list_element
*per_command_setlist
;
767 static struct cmd_list_element
*per_command_showlist
;
769 /* Records a run time and space usage to be used as a base for
770 reporting elapsed time or change in space. */
774 /* Zero if the saved time is from the beginning of GDB execution.
775 One if from the beginning of an individual command execution. */
777 /* Track whether the stat was enabled at the start of the command
778 so that we can avoid printing anything if it gets turned on by
779 the current command. */
780 int time_enabled
: 1;
781 int space_enabled
: 1;
782 int symtab_enabled
: 1;
784 struct timeval start_wall_time
;
786 /* Total number of symtabs (over all objfiles). */
787 int start_nr_symtabs
;
788 /* Of those, a count of just the primary ones. */
789 int start_nr_primary_symtabs
;
790 /* Total number of blocks. */
794 /* Set whether to display time statistics to NEW_VALUE
795 (non-zero means true). */
798 set_per_command_time (int new_value
)
800 per_command_time
= new_value
;
803 /* Set whether to display space statistics to NEW_VALUE
804 (non-zero means true). */
807 set_per_command_space (int new_value
)
809 per_command_space
= new_value
;
812 /* Count the number of symtabs and blocks. */
815 count_symtabs_and_blocks (int *nr_symtabs_ptr
, int *nr_primary_symtabs_ptr
,
821 int nr_primary_symtabs
= 0;
829 ++nr_primary_symtabs
;
830 nr_blocks
+= BLOCKVECTOR_NBLOCKS (BLOCKVECTOR (s
));
834 *nr_symtabs_ptr
= nr_symtabs
;
835 *nr_primary_symtabs_ptr
= nr_primary_symtabs
;
836 *nr_blocks_ptr
= nr_blocks
;
839 /* As indicated by display_time and display_space, report GDB's elapsed time
840 and space usage from the base time and space provided in ARG, which
841 must be a pointer to a struct cmd_stat. This function is intended
842 to be called as a cleanup. */
845 report_command_stats (void *arg
)
847 struct cmd_stats
*start_stats
= (struct cmd_stats
*) arg
;
848 int msg_type
= start_stats
->msg_type
;
850 if (start_stats
->time_enabled
)
852 long cmd_time
= get_run_time () - start_stats
->start_cpu_time
;
853 struct timeval now_wall_time
, delta_wall_time
, wait_time
;
855 gettimeofday (&now_wall_time
, NULL
);
856 timeval_sub (&delta_wall_time
,
857 &now_wall_time
, &start_stats
->start_wall_time
);
859 /* Subtract time spend in prompt_for_continue from walltime. */
860 wait_time
= get_prompt_for_continue_wait_time ();
861 timeval_sub (&delta_wall_time
, &delta_wall_time
, &wait_time
);
863 printf_unfiltered (msg_type
== 0
864 ? _("Startup time: %ld.%06ld (cpu), %ld.%06ld (wall)\n")
865 : _("Command execution time: %ld.%06ld (cpu), %ld.%06ld (wall)\n"),
866 cmd_time
/ 1000000, cmd_time
% 1000000,
867 (long) delta_wall_time
.tv_sec
,
868 (long) delta_wall_time
.tv_usec
);
871 if (start_stats
->space_enabled
)
874 char *lim
= (char *) sbrk (0);
876 long space_now
= lim
- lim_at_start
;
877 long space_diff
= space_now
- start_stats
->start_space
;
879 printf_unfiltered (msg_type
== 0
880 ? _("Space used: %ld (%s%ld during startup)\n")
881 : _("Space used: %ld (%s%ld for this command)\n"),
883 (space_diff
>= 0 ? "+" : ""),
888 if (start_stats
->symtab_enabled
)
890 int nr_symtabs
, nr_primary_symtabs
, nr_blocks
;
892 count_symtabs_and_blocks (&nr_symtabs
, &nr_primary_symtabs
, &nr_blocks
);
893 printf_unfiltered (_("#symtabs: %d (+%d),"
894 " #primary symtabs: %d (+%d),"
895 " #blocks: %d (+%d)\n"),
897 nr_symtabs
- start_stats
->start_nr_symtabs
,
899 nr_primary_symtabs
- start_stats
->start_nr_primary_symtabs
,
901 nr_blocks
- start_stats
->start_nr_blocks
);
905 /* Create a cleanup that reports time and space used since its creation.
906 MSG_TYPE is zero for gdb startup, otherwise it is one(1) to report
907 data for individual commands. */
910 make_command_stats_cleanup (int msg_type
)
912 struct cmd_stats
*new_stat
;
914 /* Early exit if we're not reporting any stats. */
915 if (!per_command_time
916 && !per_command_space
917 && !per_command_symtab
)
918 return make_cleanup (null_cleanup
, 0);
920 new_stat
= XCNEW (struct cmd_stats
);
922 new_stat
->msg_type
= msg_type
;
924 if (per_command_space
)
927 char *lim
= (char *) sbrk (0);
928 new_stat
->start_space
= lim
- lim_at_start
;
929 new_stat
->space_enabled
= 1;
933 if (per_command_time
)
935 new_stat
->start_cpu_time
= get_run_time ();
936 gettimeofday (&new_stat
->start_wall_time
, NULL
);
937 new_stat
->time_enabled
= 1;
940 if (per_command_symtab
)
942 int nr_symtabs
, nr_primary_symtabs
, nr_blocks
;
944 count_symtabs_and_blocks (&nr_symtabs
, &nr_primary_symtabs
, &nr_blocks
);
945 new_stat
->start_nr_symtabs
= nr_symtabs
;
946 new_stat
->start_nr_primary_symtabs
= nr_primary_symtabs
;
947 new_stat
->start_nr_blocks
= nr_blocks
;
948 new_stat
->symtab_enabled
= 1;
951 /* Initalize timer to keep track of how long we waited for the user. */
952 reset_prompt_for_continue_wait_time ();
954 return make_cleanup_dtor (report_command_stats
, new_stat
, xfree
);
957 /* Handle unknown "mt set per-command" arguments.
958 In this case have "mt set per-command on|off" affect every setting. */
961 set_per_command_cmd (char *args
, int from_tty
)
963 struct cmd_list_element
*list
;
967 val
= parse_cli_boolean_value (args
);
969 error (_("Bad value for 'mt set per-command no'."));
971 for (list
= per_command_setlist
; list
!= NULL
; list
= list
->next
)
972 if (list
->var_type
== var_boolean
)
974 gdb_assert (list
->type
== set_cmd
);
975 do_set_command (args
, from_tty
, list
);
979 /* Command "show per-command" displays summary of all the current
980 "show per-command " settings. */
983 show_per_command_cmd (char *args
, int from_tty
)
985 cmd_show_list (per_command_showlist
, from_tty
, "");
989 _initialize_maint_cmds (void)
991 add_prefix_cmd ("maintenance", class_maintenance
, maintenance_command
, _("\
992 Commands for use by GDB maintainers.\n\
993 Includes commands to dump specific internal GDB structures in\n\
994 a human readable form, to cause GDB to deliberately dump core,\n\
995 to test internal functions such as the C++/ObjC demangler, etc."),
996 &maintenancelist
, "maintenance ", 0,
999 add_com_alias ("mt", "maintenance", class_maintenance
, 1);
1001 add_prefix_cmd ("info", class_maintenance
, maintenance_info_command
, _("\
1002 Commands for showing internal info about the program being debugged."),
1003 &maintenanceinfolist
, "maintenance info ", 0,
1005 add_alias_cmd ("i", "info", class_maintenance
, 1, &maintenancelist
);
1007 add_cmd ("sections", class_maintenance
, maintenance_info_sections
, _("\
1008 List the BFD sections of the exec and core files. \n\
1009 Arguments may be any combination of:\n\
1010 [one or more section names]\n\
1011 ALLOC LOAD RELOC READONLY CODE DATA ROM CONSTRUCTOR\n\
1012 HAS_CONTENTS NEVER_LOAD COFF_SHARED_LIBRARY IS_COMMON\n\
1013 Sections matching any argument will be listed (no argument\n\
1014 implies all sections). In addition, the special argument\n\
1016 lists all sections from all object files, including shared libraries."),
1017 &maintenanceinfolist
);
1019 add_prefix_cmd ("print", class_maintenance
, maintenance_print_command
,
1020 _("Maintenance command for printing GDB internal state."),
1021 &maintenanceprintlist
, "maintenance print ", 0,
1024 add_prefix_cmd ("set", class_maintenance
, maintenance_set_cmd
, _("\
1025 Set GDB internal variables used by the GDB maintainer.\n\
1026 Configure variables internal to GDB that aid in GDB's maintenance"),
1027 &maintenance_set_cmdlist
, "maintenance set ",
1031 add_prefix_cmd ("show", class_maintenance
, maintenance_show_cmd
, _("\
1032 Show GDB internal variables used by the GDB maintainer.\n\
1033 Configure variables internal to GDB that aid in GDB's maintenance"),
1034 &maintenance_show_cmdlist
, "maintenance show ",
1039 add_cmd ("dump-me", class_maintenance
, maintenance_dump_me
, _("\
1040 Get fatal error; make debugger dump its core.\n\
1041 GDB sets its handling of SIGQUIT back to SIG_DFL and then sends\n\
1042 itself a SIGQUIT signal."),
1046 add_cmd ("internal-error", class_maintenance
,
1047 maintenance_internal_error
, _("\
1048 Give GDB an internal error.\n\
1049 Cause GDB to behave as if an internal error was detected."),
1052 add_cmd ("internal-warning", class_maintenance
,
1053 maintenance_internal_warning
, _("\
1054 Give GDB an internal warning.\n\
1055 Cause GDB to behave as if an internal warning was reported."),
1058 add_cmd ("demangle", class_maintenance
, maintenance_demangle
, _("\
1059 Demangle a C++/ObjC mangled name.\n\
1060 Call internal GDB demangler routine to demangle a C++ link name\n\
1061 and prints the result."),
1064 add_prefix_cmd ("per-command", class_maintenance
, set_per_command_cmd
, _("\
1065 Per-command statistics settings."),
1066 &per_command_setlist
, "set per-command ",
1067 1/*allow-unknown*/, &maintenance_set_cmdlist
);
1069 add_prefix_cmd ("per-command", class_maintenance
, show_per_command_cmd
, _("\
1070 Show per-command statistics settings."),
1071 &per_command_showlist
, "show per-command ",
1072 0/*allow-unknown*/, &maintenance_show_cmdlist
);
1074 add_setshow_boolean_cmd ("time", class_maintenance
,
1075 &per_command_time
, _("\
1076 Set whether to display per-command execution time."), _("\
1077 Show whether to display per-command execution time."),
1079 If enabled, the execution time for each command will be\n\
1080 displayed following the command's output."),
1082 &per_command_setlist
, &per_command_showlist
);
1084 add_setshow_boolean_cmd ("space", class_maintenance
,
1085 &per_command_space
, _("\
1086 Set whether to display per-command space usage."), _("\
1087 Show whether to display per-command space usage."),
1089 If enabled, the space usage for each command will be\n\
1090 displayed following the command's output."),
1092 &per_command_setlist
, &per_command_showlist
);
1094 add_setshow_boolean_cmd ("symtab", class_maintenance
,
1095 &per_command_symtab
, _("\
1096 Set whether to display per-command symtab statistics."), _("\
1097 Show whether to display per-command symtab statistics."),
1099 If enabled, the basic symtab statistics for each command will be\n\
1100 displayed following the command's output."),
1102 &per_command_setlist
, &per_command_showlist
);
1104 /* This is equivalent to "mt set per-command time on".
1105 Kept because some people are used to typing "mt time 1". */
1106 add_cmd ("time", class_maintenance
, maintenance_time_display
, _("\
1107 Set the display of time usage.\n\
1108 If nonzero, will cause the execution time for each command to be\n\
1109 displayed, following the command's output."),
1112 /* This is equivalent to "mt set per-command space on".
1113 Kept because some people are used to typing "mt space 1". */
1114 add_cmd ("space", class_maintenance
, maintenance_space_display
, _("\
1115 Set the display of space usage.\n\
1116 If nonzero, will cause the execution space for each command to be\n\
1117 displayed, following the command's output."),
1120 add_cmd ("type", class_maintenance
, maintenance_print_type
, _("\
1121 Print a type chain for a given symbol.\n\
1122 For each node in a type chain, print the raw data for each member of\n\
1123 the type structure, and the interpretation of the data."),
1124 &maintenanceprintlist
);
1126 add_cmd ("statistics", class_maintenance
, maintenance_print_statistics
,
1127 _("Print statistics about internal gdb state."),
1128 &maintenanceprintlist
);
1130 add_cmd ("architecture", class_maintenance
,
1131 maintenance_print_architecture
, _("\
1132 Print the internal architecture configuration.\n\
1133 Takes an optional file parameter."),
1134 &maintenanceprintlist
);
1136 add_cmd ("translate-address", class_maintenance
,
1137 maintenance_translate_address
,
1138 _("Translate a section name and address to a symbol."),
1141 add_cmd ("deprecate", class_maintenance
, maintenance_deprecate
, _("\
1142 Deprecate a command. Note that this is just in here so the \n\
1143 testsuite can check the command deprecator. You probably shouldn't use this,\n\
1144 rather you should use the C function deprecate_cmd(). If you decide you \n\
1145 want to use it: maintenance deprecate 'commandname' \"replacement\". The \n\
1146 replacement is optional."), &maintenancelist
);
1148 add_cmd ("undeprecate", class_maintenance
, maintenance_undeprecate
, _("\
1149 Undeprecate a command. Note that this is just in here so the \n\
1150 testsuite can check the command deprecator. You probably shouldn't use this,\n\
1151 If you decide you want to use it: maintenance undeprecate 'commandname'"),
1154 add_setshow_zinteger_cmd ("watchdog", class_maintenance
, &watchdog
, _("\
1155 Set watchdog timer."), _("\
1156 Show watchdog timer."), _("\
1157 When non-zero, this timeout is used instead of waiting forever for a target\n\
1158 to finish a low-level step or continue operation. If the specified amount\n\
1159 of time passes without a response from the target, an error occurs."),
1162 &setlist
, &showlist
);
1164 add_setshow_boolean_cmd ("profile", class_maintenance
,
1165 &maintenance_profile_p
, _("\
1166 Set internal profiling."), _("\
1167 Show internal profiling."), _("\
1168 When enabled GDB is profiled."),
1169 maintenance_set_profile_cmd
,
1170 show_maintenance_profile_p
,
1171 &maintenance_set_cmdlist
,
1172 &maintenance_show_cmdlist
);