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 /* Stimulate the internal error mechanism that GDB uses when an
135 demangler problem is detected. Allows testing of the mechanism. */
138 maintenance_demangler_warning (char *args
, int from_tty
)
140 demangler_warning (__FILE__
, __LINE__
, "%s", (args
== NULL
? "" : args
));
143 /* Someday we should allow demangling for things other than just
144 explicit strings. For example, we might want to be able to specify
145 the address of a string in either GDB's process space or the
146 debuggee's process space, and have gdb fetch and demangle that
147 string. If we have a char* pointer "ptr" that points to a string,
148 we might want to be able to given just the name and have GDB
149 demangle and print what it points to, etc. (FIXME) */
152 maintenance_demangle (char *args
, int from_tty
)
156 if (args
== NULL
|| *args
== '\0')
158 printf_unfiltered (_("\"maintenance demangle\" takes "
159 "an argument to demangle.\n"));
163 demangled
= language_demangle (current_language
, args
,
164 DMGL_ANSI
| DMGL_PARAMS
);
165 if (demangled
!= NULL
)
167 printf_unfiltered ("%s\n", demangled
);
172 printf_unfiltered (_("Can't demangle \"%s\"\n"), args
);
178 maintenance_time_display (char *args
, int from_tty
)
180 if (args
== NULL
|| *args
== '\0')
181 printf_unfiltered (_("\"maintenance time\" takes a numeric argument.\n"));
183 set_per_command_time (strtol (args
, NULL
, 10));
187 maintenance_space_display (char *args
, int from_tty
)
189 if (args
== NULL
|| *args
== '\0')
190 printf_unfiltered ("\"maintenance space\" takes a numeric argument.\n");
192 set_per_command_space (strtol (args
, NULL
, 10));
195 /* The "maintenance info" command is defined as a prefix, with
196 allow_unknown 0. Therefore, its own definition is called only for
197 "maintenance info" with no args. */
200 maintenance_info_command (char *arg
, int from_tty
)
202 printf_unfiltered (_("\"maintenance info\" must be followed "
203 "by the name of an info command.\n"));
204 help_list (maintenanceinfolist
, "maintenance info ", all_commands
,
208 /* Mini tokenizing lexer for 'maint info sections' command. */
211 match_substring (const char *string
, const char *substr
)
213 int substr_len
= strlen(substr
);
216 while ((tok
= strstr (string
, substr
)) != NULL
)
218 /* Got a partial match. Is it a whole word? */
223 /* Token is delimited at the front... */
224 if (tok
[substr_len
] == ' '
225 || tok
[substr_len
] == '\t'
226 || tok
[substr_len
] == '\0')
228 /* Token is delimited at the rear. Got a whole-word match. */
232 /* Token didn't match as a whole word. Advance and try again. */
239 match_bfd_flags (const char *string
, flagword flags
)
241 if (flags
& SEC_ALLOC
)
242 if (match_substring (string
, "ALLOC"))
244 if (flags
& SEC_LOAD
)
245 if (match_substring (string
, "LOAD"))
247 if (flags
& SEC_RELOC
)
248 if (match_substring (string
, "RELOC"))
250 if (flags
& SEC_READONLY
)
251 if (match_substring (string
, "READONLY"))
253 if (flags
& SEC_CODE
)
254 if (match_substring (string
, "CODE"))
256 if (flags
& SEC_DATA
)
257 if (match_substring (string
, "DATA"))
260 if (match_substring (string
, "ROM"))
262 if (flags
& SEC_CONSTRUCTOR
)
263 if (match_substring (string
, "CONSTRUCTOR"))
265 if (flags
& SEC_HAS_CONTENTS
)
266 if (match_substring (string
, "HAS_CONTENTS"))
268 if (flags
& SEC_NEVER_LOAD
)
269 if (match_substring (string
, "NEVER_LOAD"))
271 if (flags
& SEC_COFF_SHARED_LIBRARY
)
272 if (match_substring (string
, "COFF_SHARED_LIBRARY"))
274 if (flags
& SEC_IS_COMMON
)
275 if (match_substring (string
, "IS_COMMON"))
282 print_bfd_flags (flagword flags
)
284 if (flags
& SEC_ALLOC
)
285 printf_filtered (" ALLOC");
286 if (flags
& SEC_LOAD
)
287 printf_filtered (" LOAD");
288 if (flags
& SEC_RELOC
)
289 printf_filtered (" RELOC");
290 if (flags
& SEC_READONLY
)
291 printf_filtered (" READONLY");
292 if (flags
& SEC_CODE
)
293 printf_filtered (" CODE");
294 if (flags
& SEC_DATA
)
295 printf_filtered (" DATA");
297 printf_filtered (" ROM");
298 if (flags
& SEC_CONSTRUCTOR
)
299 printf_filtered (" CONSTRUCTOR");
300 if (flags
& SEC_HAS_CONTENTS
)
301 printf_filtered (" HAS_CONTENTS");
302 if (flags
& SEC_NEVER_LOAD
)
303 printf_filtered (" NEVER_LOAD");
304 if (flags
& SEC_COFF_SHARED_LIBRARY
)
305 printf_filtered (" COFF_SHARED_LIBRARY");
306 if (flags
& SEC_IS_COMMON
)
307 printf_filtered (" IS_COMMON");
311 maint_print_section_info (const char *name
, flagword flags
,
312 CORE_ADDR addr
, CORE_ADDR endaddr
,
313 unsigned long filepos
, int addr_size
)
315 printf_filtered (" %s", hex_string_custom (addr
, addr_size
));
316 printf_filtered ("->%s", hex_string_custom (endaddr
, addr_size
));
317 printf_filtered (" at %s",
318 hex_string_custom ((unsigned long) filepos
, 8));
319 printf_filtered (": %s", name
);
320 print_bfd_flags (flags
);
321 printf_filtered ("\n");
325 print_bfd_section_info (bfd
*abfd
,
329 flagword flags
= bfd_get_section_flags (abfd
, asect
);
330 const char *name
= bfd_section_name (abfd
, asect
);
331 const char *arg
= datum
;
333 if (arg
== NULL
|| *arg
== '\0'
334 || match_substring (arg
, name
)
335 || match_bfd_flags (arg
, flags
))
337 struct gdbarch
*gdbarch
= gdbarch_from_bfd (abfd
);
338 int addr_size
= gdbarch_addr_bit (gdbarch
) / 8;
339 CORE_ADDR addr
, endaddr
;
341 addr
= bfd_section_vma (abfd
, asect
);
342 endaddr
= addr
+ bfd_section_size (abfd
, asect
);
343 printf_filtered (" [%d] ", gdb_bfd_section_index (abfd
, asect
));
344 maint_print_section_info (name
, flags
, addr
, endaddr
,
345 asect
->filepos
, addr_size
);
350 print_objfile_section_info (bfd
*abfd
,
351 struct obj_section
*asect
,
354 flagword flags
= bfd_get_section_flags (abfd
, asect
->the_bfd_section
);
355 const char *name
= bfd_section_name (abfd
, asect
->the_bfd_section
);
357 if (string
== NULL
|| *string
== '\0'
358 || match_substring (string
, name
)
359 || match_bfd_flags (string
, flags
))
361 struct gdbarch
*gdbarch
= gdbarch_from_bfd (abfd
);
362 int addr_size
= gdbarch_addr_bit (gdbarch
) / 8;
364 maint_print_section_info (name
, flags
,
365 obj_section_addr (asect
),
366 obj_section_endaddr (asect
),
367 asect
->the_bfd_section
->filepos
,
373 maintenance_info_sections (char *arg
, int from_tty
)
377 printf_filtered (_("Exec file:\n"));
378 printf_filtered (" `%s', ", bfd_get_filename (exec_bfd
));
380 printf_filtered (_("file type %s.\n"), bfd_get_target (exec_bfd
));
381 if (arg
&& *arg
&& match_substring (arg
, "ALLOBJ"))
383 struct objfile
*ofile
;
384 struct obj_section
*osect
;
386 /* Only this function cares about the 'ALLOBJ' argument;
387 if 'ALLOBJ' is the only argument, discard it rather than
388 passing it down to print_objfile_section_info (which
389 wouldn't know how to handle it). */
390 if (strcmp (arg
, "ALLOBJ") == 0)
395 printf_filtered (_(" Object file: %s\n"),
396 bfd_get_filename (ofile
->obfd
));
397 ALL_OBJFILE_OSECTIONS (ofile
, osect
)
399 print_objfile_section_info (ofile
->obfd
, osect
, arg
);
404 bfd_map_over_sections (exec_bfd
, print_bfd_section_info
, arg
);
409 printf_filtered (_("Core file:\n"));
410 printf_filtered (" `%s', ", bfd_get_filename (core_bfd
));
412 printf_filtered (_("file type %s.\n"), bfd_get_target (core_bfd
));
413 bfd_map_over_sections (core_bfd
, print_bfd_section_info
, arg
);
418 maintenance_print_statistics (char *args
, int from_tty
)
420 print_objfile_statistics ();
421 print_symbol_bcache_statistics ();
425 maintenance_print_architecture (char *args
, int from_tty
)
427 struct gdbarch
*gdbarch
= get_current_arch ();
430 gdbarch_dump (gdbarch
, gdb_stdout
);
433 struct cleanup
*cleanups
;
434 struct ui_file
*file
= gdb_fopen (args
, "w");
437 perror_with_name (_("maintenance print architecture"));
438 cleanups
= make_cleanup_ui_file_delete (file
);
439 gdbarch_dump (gdbarch
, file
);
440 do_cleanups (cleanups
);
444 /* The "maintenance print" command is defined as a prefix, with
445 allow_unknown 0. Therefore, its own definition is called only for
446 "maintenance print" with no args. */
449 maintenance_print_command (char *arg
, int from_tty
)
451 printf_unfiltered (_("\"maintenance print\" must be followed "
452 "by the name of a print command.\n"));
453 help_list (maintenanceprintlist
, "maintenance print ", all_commands
,
457 /* The "maintenance translate-address" command converts a section and address
458 to a symbol. This can be called in two ways:
459 maintenance translate-address <secname> <addr>
460 or maintenance translate-address <addr>. */
463 maintenance_translate_address (char *arg
, int from_tty
)
466 struct obj_section
*sect
;
468 struct bound_minimal_symbol sym
;
469 struct objfile
*objfile
;
471 if (arg
== NULL
|| *arg
== 0)
472 error (_("requires argument (address or section + address)"));
478 { /* See if we have a valid section name. */
479 while (*p
&& !isspace (*p
)) /* Find end of section name. */
481 if (*p
== '\000') /* End of command? */
482 error (_("Need to specify <section-name> and <address>"));
486 ALL_OBJSECTIONS (objfile
, sect
)
488 if (strcmp (sect
->the_bfd_section
->name
, arg
) == 0)
493 error (_("Unknown section %s."), arg
);
496 address
= parse_and_eval_address (p
);
499 sym
= lookup_minimal_symbol_by_pc_section (address
, sect
);
501 sym
= lookup_minimal_symbol_by_pc (address
);
505 const char *symbol_name
= MSYMBOL_PRINT_NAME (sym
.minsym
);
506 const char *symbol_offset
507 = pulongest (address
- BMSYMBOL_VALUE_ADDRESS (sym
));
509 sect
= MSYMBOL_OBJ_SECTION(sym
.objfile
, sym
.minsym
);
512 const char *section_name
;
513 const char *obj_name
;
515 gdb_assert (sect
->the_bfd_section
&& sect
->the_bfd_section
->name
);
516 section_name
= sect
->the_bfd_section
->name
;
518 gdb_assert (sect
->objfile
&& objfile_name (sect
->objfile
));
519 obj_name
= objfile_name (sect
->objfile
);
521 if (MULTI_OBJFILE_P ())
522 printf_filtered (_("%s + %s in section %s of %s\n"),
523 symbol_name
, symbol_offset
,
524 section_name
, obj_name
);
526 printf_filtered (_("%s + %s in section %s\n"),
527 symbol_name
, symbol_offset
, section_name
);
530 printf_filtered (_("%s + %s\n"), symbol_name
, symbol_offset
);
533 printf_filtered (_("no symbol at %s:%s\n"),
534 sect
->the_bfd_section
->name
, hex_string (address
));
536 printf_filtered (_("no symbol at %s\n"), hex_string (address
));
542 /* When a command is deprecated the user will be warned the first time
543 the command is used. If possible, a replacement will be
547 maintenance_deprecate (char *args
, int from_tty
)
549 if (args
== NULL
|| *args
== '\0')
551 printf_unfiltered (_("\"maintenance deprecate\" takes an argument,\n\
552 the command you want to deprecate, and optionally the replacement command\n\
553 enclosed in quotes.\n"));
556 maintenance_do_deprecate (args
, 1);
562 maintenance_undeprecate (char *args
, int from_tty
)
564 if (args
== NULL
|| *args
== '\0')
566 printf_unfiltered (_("\"maintenance undeprecate\" takes an argument, \n\
567 the command you want to undeprecate.\n"));
570 maintenance_do_deprecate (args
, 0);
574 /* You really shouldn't be using this. It is just for the testsuite.
575 Rather, you should use deprecate_cmd() when the command is created
576 in _initialize_blah().
578 This function deprecates a command and optionally assigns it a
582 maintenance_do_deprecate (char *text
, int deprecate
)
584 struct cmd_list_element
*alias
= NULL
;
585 struct cmd_list_element
*prefix_cmd
= NULL
;
586 struct cmd_list_element
*cmd
= NULL
;
588 char *start_ptr
= NULL
;
589 char *end_ptr
= NULL
;
591 char *replacement
= NULL
;
596 if (!lookup_cmd_composition (text
, &alias
, &prefix_cmd
, &cmd
))
598 printf_filtered (_("Can't find command '%s' to deprecate.\n"), text
);
604 /* Look for a replacement command. */
605 start_ptr
= strchr (text
, '\"');
606 if (start_ptr
!= NULL
)
609 end_ptr
= strrchr (start_ptr
, '\"');
612 len
= end_ptr
- start_ptr
;
613 start_ptr
[len
] = '\0';
614 replacement
= xstrdup (start_ptr
);
619 if (!start_ptr
|| !end_ptr
)
623 /* If they used an alias, we only want to deprecate the alias.
625 Note the MALLOCED_REPLACEMENT test. If the command's replacement
626 string was allocated at compile time we don't want to free the
630 if (alias
->malloced_replacement
)
631 xfree ((char *) alias
->replacement
);
635 alias
->deprecated_warn_user
= 1;
636 alias
->cmd_deprecated
= 1;
640 alias
->deprecated_warn_user
= 0;
641 alias
->cmd_deprecated
= 0;
643 alias
->replacement
= replacement
;
644 alias
->malloced_replacement
= 1;
649 if (cmd
->malloced_replacement
)
650 xfree ((char *) cmd
->replacement
);
654 cmd
->deprecated_warn_user
= 1;
655 cmd
->cmd_deprecated
= 1;
659 cmd
->deprecated_warn_user
= 0;
660 cmd
->cmd_deprecated
= 0;
662 cmd
->replacement
= replacement
;
663 cmd
->malloced_replacement
= 1;
669 /* Maintenance set/show framework. */
671 struct cmd_list_element
*maintenance_set_cmdlist
;
672 struct cmd_list_element
*maintenance_show_cmdlist
;
675 maintenance_set_cmd (char *args
, int from_tty
)
677 printf_unfiltered (_("\"maintenance set\" must be followed "
678 "by the name of a set command.\n"));
679 help_list (maintenance_set_cmdlist
, "maintenance set ", all_commands
,
684 maintenance_show_cmd (char *args
, int from_tty
)
686 cmd_show_list (maintenance_show_cmdlist
, from_tty
, "");
689 /* Profiling support. */
691 static int maintenance_profile_p
;
693 show_maintenance_profile_p (struct ui_file
*file
, int from_tty
,
694 struct cmd_list_element
*c
, const char *value
)
696 fprintf_filtered (file
, _("Internal profiling is %s.\n"), value
);
701 #define TEXTEND &_etext
702 #elif defined (HAVE_ETEXT)
704 #define TEXTEND &etext
707 #if defined (HAVE_MONSTARTUP) && defined (HAVE__MCLEANUP) && defined (TEXTEND)
709 static int profiling_state
;
712 mcleanup_wrapper (void)
714 extern void _mcleanup (void);
721 maintenance_set_profile_cmd (char *args
, int from_tty
,
722 struct cmd_list_element
*c
)
724 if (maintenance_profile_p
== profiling_state
)
727 profiling_state
= maintenance_profile_p
;
729 if (maintenance_profile_p
)
731 static int profiling_initialized
;
733 extern void monstartup (unsigned long, unsigned long);
736 if (!profiling_initialized
)
738 atexit (mcleanup_wrapper
);
739 profiling_initialized
= 1;
742 /* "main" is now always the first function in the text segment, so use
743 its address for monstartup. */
744 monstartup ((unsigned long) &main
, (unsigned long) TEXTEND
);
748 extern void _mcleanup (void);
755 maintenance_set_profile_cmd (char *args
, int from_tty
,
756 struct cmd_list_element
*c
)
758 error (_("Profiling support is not available on this system."));
762 /* If nonzero, display time usage both at startup and for each command. */
764 static int per_command_time
;
766 /* If nonzero, display space usage both at startup and for each command. */
768 static int per_command_space
;
770 /* If nonzero, display basic symtab stats for each command. */
772 static int per_command_symtab
;
774 /* mt per-command commands. */
776 static struct cmd_list_element
*per_command_setlist
;
777 static struct cmd_list_element
*per_command_showlist
;
779 /* Records a run time and space usage to be used as a base for
780 reporting elapsed time or change in space. */
784 /* Zero if the saved time is from the beginning of GDB execution.
785 One if from the beginning of an individual command execution. */
787 /* Track whether the stat was enabled at the start of the command
788 so that we can avoid printing anything if it gets turned on by
789 the current command. */
790 int time_enabled
: 1;
791 int space_enabled
: 1;
792 int symtab_enabled
: 1;
794 struct timeval start_wall_time
;
796 /* Total number of symtabs (over all objfiles). */
797 int start_nr_symtabs
;
798 /* Of those, a count of just the primary ones. */
799 int start_nr_primary_symtabs
;
800 /* Total number of blocks. */
804 /* Set whether to display time statistics to NEW_VALUE
805 (non-zero means true). */
808 set_per_command_time (int new_value
)
810 per_command_time
= new_value
;
813 /* Set whether to display space statistics to NEW_VALUE
814 (non-zero means true). */
817 set_per_command_space (int new_value
)
819 per_command_space
= new_value
;
822 /* Count the number of symtabs and blocks. */
825 count_symtabs_and_blocks (int *nr_symtabs_ptr
, int *nr_primary_symtabs_ptr
,
831 int nr_primary_symtabs
= 0;
834 /* When collecting statistics during startup, this is called before
835 pretty much anything in gdb has been initialized, and thus
836 current_program_space may be NULL. */
837 if (current_program_space
!= NULL
)
844 ++nr_primary_symtabs
;
845 nr_blocks
+= BLOCKVECTOR_NBLOCKS (BLOCKVECTOR (s
));
850 *nr_symtabs_ptr
= nr_symtabs
;
851 *nr_primary_symtabs_ptr
= nr_primary_symtabs
;
852 *nr_blocks_ptr
= nr_blocks
;
855 /* As indicated by display_time and display_space, report GDB's elapsed time
856 and space usage from the base time and space provided in ARG, which
857 must be a pointer to a struct cmd_stat. This function is intended
858 to be called as a cleanup. */
861 report_command_stats (void *arg
)
863 struct cmd_stats
*start_stats
= (struct cmd_stats
*) arg
;
864 int msg_type
= start_stats
->msg_type
;
866 if (start_stats
->time_enabled
&& per_command_time
)
868 long cmd_time
= get_run_time () - start_stats
->start_cpu_time
;
869 struct timeval now_wall_time
, delta_wall_time
, wait_time
;
871 gettimeofday (&now_wall_time
, NULL
);
872 timeval_sub (&delta_wall_time
,
873 &now_wall_time
, &start_stats
->start_wall_time
);
875 /* Subtract time spend in prompt_for_continue from walltime. */
876 wait_time
= get_prompt_for_continue_wait_time ();
877 timeval_sub (&delta_wall_time
, &delta_wall_time
, &wait_time
);
879 printf_unfiltered (msg_type
== 0
880 ? _("Startup time: %ld.%06ld (cpu), %ld.%06ld (wall)\n")
881 : _("Command execution time: %ld.%06ld (cpu), %ld.%06ld (wall)\n"),
882 cmd_time
/ 1000000, cmd_time
% 1000000,
883 (long) delta_wall_time
.tv_sec
,
884 (long) delta_wall_time
.tv_usec
);
887 if (start_stats
->space_enabled
&& per_command_space
)
890 char *lim
= (char *) sbrk (0);
892 long space_now
= lim
- lim_at_start
;
893 long space_diff
= space_now
- start_stats
->start_space
;
895 printf_unfiltered (msg_type
== 0
896 ? _("Space used: %ld (%s%ld during startup)\n")
897 : _("Space used: %ld (%s%ld for this command)\n"),
899 (space_diff
>= 0 ? "+" : ""),
904 if (start_stats
->symtab_enabled
&& per_command_symtab
)
906 int nr_symtabs
, nr_primary_symtabs
, nr_blocks
;
908 count_symtabs_and_blocks (&nr_symtabs
, &nr_primary_symtabs
, &nr_blocks
);
909 printf_unfiltered (_("#symtabs: %d (+%d),"
910 " #primary symtabs: %d (+%d),"
911 " #blocks: %d (+%d)\n"),
913 nr_symtabs
- start_stats
->start_nr_symtabs
,
915 nr_primary_symtabs
- start_stats
->start_nr_primary_symtabs
,
917 nr_blocks
- start_stats
->start_nr_blocks
);
921 /* Create a cleanup that reports time and space used since its creation.
922 MSG_TYPE is zero for gdb startup, otherwise it is one(1) to report
923 data for individual commands. */
926 make_command_stats_cleanup (int msg_type
)
928 struct cmd_stats
*new_stat
;
930 /* Early exit if we're not reporting any stats. It can be expensive to
931 compute the pre-command values so don't collect them at all if we're
932 not reporting stats. Alas this doesn't work in the startup case because
933 we don't know yet whether we will be reporting the stats. For the
934 startup case collect the data anyway (it should be cheap at this point),
935 and leave it to the reporter to decide whether to print them. */
938 && !per_command_space
939 && !per_command_symtab
)
940 return make_cleanup (null_cleanup
, 0);
942 new_stat
= XCNEW (struct cmd_stats
);
944 new_stat
->msg_type
= msg_type
;
946 if (msg_type
== 0 || per_command_space
)
949 char *lim
= (char *) sbrk (0);
950 new_stat
->start_space
= lim
- lim_at_start
;
951 new_stat
->space_enabled
= 1;
955 if (msg_type
== 0 || per_command_time
)
957 new_stat
->start_cpu_time
= get_run_time ();
958 gettimeofday (&new_stat
->start_wall_time
, NULL
);
959 new_stat
->time_enabled
= 1;
962 if (msg_type
== 0 || per_command_symtab
)
964 int nr_symtabs
, nr_primary_symtabs
, nr_blocks
;
966 count_symtabs_and_blocks (&nr_symtabs
, &nr_primary_symtabs
, &nr_blocks
);
967 new_stat
->start_nr_symtabs
= nr_symtabs
;
968 new_stat
->start_nr_primary_symtabs
= nr_primary_symtabs
;
969 new_stat
->start_nr_blocks
= nr_blocks
;
970 new_stat
->symtab_enabled
= 1;
973 /* Initalize timer to keep track of how long we waited for the user. */
974 reset_prompt_for_continue_wait_time ();
976 return make_cleanup_dtor (report_command_stats
, new_stat
, xfree
);
979 /* Handle unknown "mt set per-command" arguments.
980 In this case have "mt set per-command on|off" affect every setting. */
983 set_per_command_cmd (char *args
, int from_tty
)
985 struct cmd_list_element
*list
;
989 val
= parse_cli_boolean_value (args
);
991 error (_("Bad value for 'mt set per-command no'."));
993 for (list
= per_command_setlist
; list
!= NULL
; list
= list
->next
)
994 if (list
->var_type
== var_boolean
)
996 gdb_assert (list
->type
== set_cmd
);
997 do_set_command (args
, from_tty
, list
);
1001 /* Command "show per-command" displays summary of all the current
1002 "show per-command " settings. */
1005 show_per_command_cmd (char *args
, int from_tty
)
1007 cmd_show_list (per_command_showlist
, from_tty
, "");
1011 _initialize_maint_cmds (void)
1013 add_prefix_cmd ("maintenance", class_maintenance
, maintenance_command
, _("\
1014 Commands for use by GDB maintainers.\n\
1015 Includes commands to dump specific internal GDB structures in\n\
1016 a human readable form, to cause GDB to deliberately dump core,\n\
1017 to test internal functions such as the C++/ObjC demangler, etc."),
1018 &maintenancelist
, "maintenance ", 0,
1021 add_com_alias ("mt", "maintenance", class_maintenance
, 1);
1023 add_prefix_cmd ("info", class_maintenance
, maintenance_info_command
, _("\
1024 Commands for showing internal info about the program being debugged."),
1025 &maintenanceinfolist
, "maintenance info ", 0,
1027 add_alias_cmd ("i", "info", class_maintenance
, 1, &maintenancelist
);
1029 add_cmd ("sections", class_maintenance
, maintenance_info_sections
, _("\
1030 List the BFD sections of the exec and core files. \n\
1031 Arguments may be any combination of:\n\
1032 [one or more section names]\n\
1033 ALLOC LOAD RELOC READONLY CODE DATA ROM CONSTRUCTOR\n\
1034 HAS_CONTENTS NEVER_LOAD COFF_SHARED_LIBRARY IS_COMMON\n\
1035 Sections matching any argument will be listed (no argument\n\
1036 implies all sections). In addition, the special argument\n\
1038 lists all sections from all object files, including shared libraries."),
1039 &maintenanceinfolist
);
1041 add_prefix_cmd ("print", class_maintenance
, maintenance_print_command
,
1042 _("Maintenance command for printing GDB internal state."),
1043 &maintenanceprintlist
, "maintenance print ", 0,
1046 add_prefix_cmd ("set", class_maintenance
, maintenance_set_cmd
, _("\
1047 Set GDB internal variables used by the GDB maintainer.\n\
1048 Configure variables internal to GDB that aid in GDB's maintenance"),
1049 &maintenance_set_cmdlist
, "maintenance set ",
1053 add_prefix_cmd ("show", class_maintenance
, maintenance_show_cmd
, _("\
1054 Show GDB internal variables used by the GDB maintainer.\n\
1055 Configure variables internal to GDB that aid in GDB's maintenance"),
1056 &maintenance_show_cmdlist
, "maintenance show ",
1061 add_cmd ("dump-me", class_maintenance
, maintenance_dump_me
, _("\
1062 Get fatal error; make debugger dump its core.\n\
1063 GDB sets its handling of SIGQUIT back to SIG_DFL and then sends\n\
1064 itself a SIGQUIT signal."),
1068 add_cmd ("internal-error", class_maintenance
,
1069 maintenance_internal_error
, _("\
1070 Give GDB an internal error.\n\
1071 Cause GDB to behave as if an internal error was detected."),
1074 add_cmd ("internal-warning", class_maintenance
,
1075 maintenance_internal_warning
, _("\
1076 Give GDB an internal warning.\n\
1077 Cause GDB to behave as if an internal warning was reported."),
1080 add_cmd ("demangler-warning", class_maintenance
,
1081 maintenance_demangler_warning
, _("\
1082 Give GDB a demangler warning.\n\
1083 Cause GDB to behave as if a demangler warning was reported."),
1086 add_cmd ("demangle", class_maintenance
, maintenance_demangle
, _("\
1087 Demangle a C++/ObjC mangled name.\n\
1088 Call internal GDB demangler routine to demangle a C++ link name\n\
1089 and prints the result."),
1092 add_prefix_cmd ("per-command", class_maintenance
, set_per_command_cmd
, _("\
1093 Per-command statistics settings."),
1094 &per_command_setlist
, "set per-command ",
1095 1/*allow-unknown*/, &maintenance_set_cmdlist
);
1097 add_prefix_cmd ("per-command", class_maintenance
, show_per_command_cmd
, _("\
1098 Show per-command statistics settings."),
1099 &per_command_showlist
, "show per-command ",
1100 0/*allow-unknown*/, &maintenance_show_cmdlist
);
1102 add_setshow_boolean_cmd ("time", class_maintenance
,
1103 &per_command_time
, _("\
1104 Set whether to display per-command execution time."), _("\
1105 Show whether to display per-command execution time."),
1107 If enabled, the execution time for each command will be\n\
1108 displayed following the command's output."),
1110 &per_command_setlist
, &per_command_showlist
);
1112 add_setshow_boolean_cmd ("space", class_maintenance
,
1113 &per_command_space
, _("\
1114 Set whether to display per-command space usage."), _("\
1115 Show whether to display per-command space usage."),
1117 If enabled, the space usage for each command will be\n\
1118 displayed following the command's output."),
1120 &per_command_setlist
, &per_command_showlist
);
1122 add_setshow_boolean_cmd ("symtab", class_maintenance
,
1123 &per_command_symtab
, _("\
1124 Set whether to display per-command symtab statistics."), _("\
1125 Show whether to display per-command symtab statistics."),
1127 If enabled, the basic symtab statistics for each command will be\n\
1128 displayed following the command's output."),
1130 &per_command_setlist
, &per_command_showlist
);
1132 /* This is equivalent to "mt set per-command time on".
1133 Kept because some people are used to typing "mt time 1". */
1134 add_cmd ("time", class_maintenance
, maintenance_time_display
, _("\
1135 Set the display of time usage.\n\
1136 If nonzero, will cause the execution time for each command to be\n\
1137 displayed, following the command's output."),
1140 /* This is equivalent to "mt set per-command space on".
1141 Kept because some people are used to typing "mt space 1". */
1142 add_cmd ("space", class_maintenance
, maintenance_space_display
, _("\
1143 Set the display of space usage.\n\
1144 If nonzero, will cause the execution space for each command to be\n\
1145 displayed, following the command's output."),
1148 add_cmd ("type", class_maintenance
, maintenance_print_type
, _("\
1149 Print a type chain for a given symbol.\n\
1150 For each node in a type chain, print the raw data for each member of\n\
1151 the type structure, and the interpretation of the data."),
1152 &maintenanceprintlist
);
1154 add_cmd ("statistics", class_maintenance
, maintenance_print_statistics
,
1155 _("Print statistics about internal gdb state."),
1156 &maintenanceprintlist
);
1158 add_cmd ("architecture", class_maintenance
,
1159 maintenance_print_architecture
, _("\
1160 Print the internal architecture configuration.\n\
1161 Takes an optional file parameter."),
1162 &maintenanceprintlist
);
1164 add_cmd ("translate-address", class_maintenance
,
1165 maintenance_translate_address
,
1166 _("Translate a section name and address to a symbol."),
1169 add_cmd ("deprecate", class_maintenance
, maintenance_deprecate
, _("\
1170 Deprecate a command. Note that this is just in here so the \n\
1171 testsuite can check the command deprecator. You probably shouldn't use this,\n\
1172 rather you should use the C function deprecate_cmd(). If you decide you \n\
1173 want to use it: maintenance deprecate 'commandname' \"replacement\". The \n\
1174 replacement is optional."), &maintenancelist
);
1176 add_cmd ("undeprecate", class_maintenance
, maintenance_undeprecate
, _("\
1177 Undeprecate a command. Note that this is just in here so the \n\
1178 testsuite can check the command deprecator. You probably shouldn't use this,\n\
1179 If you decide you want to use it: maintenance undeprecate 'commandname'"),
1182 add_setshow_zinteger_cmd ("watchdog", class_maintenance
, &watchdog
, _("\
1183 Set watchdog timer."), _("\
1184 Show watchdog timer."), _("\
1185 When non-zero, this timeout is used instead of waiting forever for a target\n\
1186 to finish a low-level step or continue operation. If the specified amount\n\
1187 of time passes without a response from the target, an error occurs."),
1190 &setlist
, &showlist
);
1192 add_setshow_boolean_cmd ("profile", class_maintenance
,
1193 &maintenance_profile_p
, _("\
1194 Set internal profiling."), _("\
1195 Show internal profiling."), _("\
1196 When enabled GDB is profiled."),
1197 maintenance_set_profile_cmd
,
1198 show_maintenance_profile_p
,
1199 &maintenance_set_cmdlist
,
1200 &maintenance_show_cmdlist
);