gdb/maint.c

   1 /* Support for GDB maintenance commands.
   2    Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003
   3    Free Software Foundation, Inc.
   4    Written by Fred Fish at Cygnus Support.
   5
   6    This file is part of GDB.
   7
   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 2 of the License, or
  11    (at your option) any later version.
  12
  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.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 59 Temple Place - Suite 330,
  21    Boston, MA 02111-1307, USA.  */
  22
  23
  24 #include "defs.h"
  25 #include <ctype.h>
  26 #include <signal.h>
  27 #include "command.h"
  28 #include "gdbcmd.h"
  29 #include "symtab.h"
  30 #include "gdbtypes.h"
  31 #include "demangle.h"
  32 #include "gdbcore.h"
  33 #include "expression.h"         /* For language.h */
  34 #include "language.h"
  35 #include "symfile.h"
  36 #include "objfiles.h"
  37 #include "value.h"
  38
  39 #include "cli/cli-decode.h"
  40
  41 extern void _initialize_maint_cmds (void);
  42
  43 static void maintenance_command (char *, int);
  44
  45 static void maintenance_dump_me (char *, int);
  46
  47 static void maintenance_internal_error (char *args, int from_tty);
  48
  49 static void maintenance_demangle (char *, int);
  50
  51 static void maintenance_time_display (char *, int);
  52
  53 static void maintenance_space_display (char *, int);
  54
  55 static void maintenance_info_command (char *, int);
  56
  57 static void print_section_table (bfd *, asection *, void *);
  58
  59 static void maintenance_info_sections (char *, int);
  60
  61 static void maintenance_print_command (char *, int);
  62
  63 static void maintenance_do_deprecate (char *, int);
  64
  65 /* Set this to the maximum number of seconds to wait instead of waiting forever
  66    in target_wait().  If this timer times out, then it generates an error and
  67    the command is aborted.  This replaces most of the need for timeouts in the
  68    GDB test suite, and makes it possible to distinguish between a hung target
  69    and one with slow communications.  */
  70
  71 int watchdog = 0;
  72
  73 /*
  74
  75    LOCAL FUNCTION
  76
  77    maintenance_command -- access the maintenance subcommands
  78
  79    SYNOPSIS
  80
  81    void maintenance_command (char *args, int from_tty)
  82
  83    DESCRIPTION
  84
  85  */
  86
  87 static void
  88 maintenance_command (char *args, int from_tty)
  89 {
  90   printf_unfiltered ("\"maintenance\" must be followed by the name of a maintenance command.\n");
  91   help_list (maintenancelist, "maintenance ", -1, gdb_stdout);
  92 }
  93
  94 #ifndef _WIN32
  95 /* ARGSUSED */
  96 static void
  97 maintenance_dump_me (char *args, int from_tty)
  98 {
  99   if (query ("Should GDB dump core? "))
 100     {
 101 #ifdef __DJGPP__
 102       /* SIGQUIT by default is ignored, so use SIGABRT instead.  */
 103       signal (SIGABRT, SIG_DFL);
 104       kill (getpid (), SIGABRT);
 105 #else
 106       signal (SIGQUIT, SIG_DFL);
 107       kill (getpid (), SIGQUIT);
 108 #endif
 109     }
 110 }
 111 #endif
 112
 113 /* Stimulate the internal error mechanism that GDB uses when an
 114    internal problem is detected.  Allows testing of the mechanism.
 115    Also useful when the user wants to drop a core file but not exit
 116    GDB. */
 117
 118 static void
 119 maintenance_internal_error (char *args, int from_tty)
 120 {
 121   internal_error (__FILE__, __LINE__, "%s", (args == NULL ? "" : args));
 122 }
 123
 124 /* Stimulate the internal error mechanism that GDB uses when an
 125    internal problem is detected.  Allows testing of the mechanism.
 126    Also useful when the user wants to drop a core file but not exit
 127    GDB. */
 128
 129 static void
 130 maintenance_internal_warning (char *args, int from_tty)
 131 {
 132   internal_warning (__FILE__, __LINE__, "%s", (args == NULL ? "" : args));
 133 }
 134
 135 /* Someday we should allow demangling for things other than just
 136    explicit strings.  For example, we might want to be able to specify
 137    the address of a string in either GDB's process space or the
 138    debuggee's process space, and have gdb fetch and demangle that
 139    string.  If we have a char* pointer "ptr" that points to a string,
 140    we might want to be able to given just the name and have GDB
 141    demangle and print what it points to, etc.  (FIXME) */
 142
 143 static void
 144 maintenance_demangle (char *args, int from_tty)
 145 {
 146   char *demangled;
 147
 148   if (args == NULL || *args == '\0')
 149     {
 150       printf_unfiltered ("\"maintenance demangle\" takes an argument to demangle.\n");
 151     }
 152   else
 153     {
 154       demangled = language_demangle (current_language, args,
 155                                      DMGL_ANSI | DMGL_PARAMS);
 156       if (demangled != NULL)
 157         {
 158           printf_unfiltered ("%s\n", demangled);
 159           xfree (demangled);
 160         }
 161       else
 162         {
 163           printf_unfiltered ("Can't demangle \"%s\"\n", args);
 164         }
 165     }
 166 }
 167
 168 static void
 169 maintenance_time_display (char *args, int from_tty)
 170 {
 171   extern int display_time;
 172
 173   if (args == NULL || *args == '\0')
 174     printf_unfiltered ("\"maintenance time\" takes a numeric argument.\n");
 175   else
 176     display_time = strtol (args, NULL, 10);
 177 }
 178
 179 static void
 180 maintenance_space_display (char *args, int from_tty)
 181 {
 182   extern int display_space;
 183
 184   if (args == NULL || *args == '\0')
 185     printf_unfiltered ("\"maintenance space\" takes a numeric argument.\n");
 186   else
 187     display_space = strtol (args, NULL, 10);
 188 }
 189
 190 /* The "maintenance info" command is defined as a prefix, with
 191    allow_unknown 0.  Therefore, its own definition is called only for
 192    "maintenance info" with no args.  */
 193
 194 /* ARGSUSED */
 195 static void
 196 maintenance_info_command (char *arg, int from_tty)
 197 {
 198   printf_unfiltered ("\"maintenance info\" must be followed by the name of an info command.\n");
 199   help_list (maintenanceinfolist, "maintenance info ", -1, gdb_stdout);
 200 }
 201
 202 /* Mini tokenizing lexer for 'maint info sections' command.  */
 203
 204 static int
 205 match_substring (const char *string, const char *substr)
 206 {
 207   int substr_len = strlen(substr);
 208   const char *tok;
 209
 210   while ((tok = strstr (string, substr)) != NULL)
 211     {
 212       /* Got a partial match.  Is it a whole word? */
 213       if (tok == string
 214           || tok[-1] == ' '
 215           || tok[-1] == '\t')
 216       {
 217         /* Token is delimited at the front... */
 218         if (tok[substr_len] == ' '
 219             || tok[substr_len] == '\t'
 220             || tok[substr_len] == '\0')
 221         {
 222           /* Token is delimited at the rear.  Got a whole-word match.  */
 223           return 1;
 224         }
 225       }
 226       /* Token didn't match as a whole word.  Advance and try again.  */
 227       string = tok + 1;
 228     }
 229   return 0;
 230 }
 231
 232 static int
 233 match_bfd_flags (char *string, flagword flags)
 234 {
 235   if (flags & SEC_ALLOC)
 236     if (match_substring (string, "ALLOC"))
 237       return 1;
 238   if (flags & SEC_LOAD)
 239     if (match_substring (string, "LOAD"))
 240       return 1;
 241   if (flags & SEC_RELOC)
 242     if (match_substring (string, "RELOC"))
 243       return 1;
 244   if (flags & SEC_READONLY)
 245     if (match_substring (string, "READONLY"))
 246       return 1;
 247   if (flags & SEC_CODE)
 248     if (match_substring (string, "CODE"))
 249       return 1;
 250   if (flags & SEC_DATA)
 251     if (match_substring (string, "DATA"))
 252       return 1;
 253   if (flags & SEC_ROM)
 254     if (match_substring (string, "ROM"))
 255       return 1;
 256   if (flags & SEC_CONSTRUCTOR)
 257     if (match_substring (string, "CONSTRUCTOR"))
 258       return 1;
 259   if (flags & SEC_HAS_CONTENTS)
 260     if (match_substring (string, "HAS_CONTENTS"))
 261       return 1;
 262   if (flags & SEC_NEVER_LOAD)
 263     if (match_substring (string, "NEVER_LOAD"))
 264       return 1;
 265   if (flags & SEC_COFF_SHARED_LIBRARY)
 266     if (match_substring (string, "COFF_SHARED_LIBRARY"))
 267       return 1;
 268   if (flags & SEC_IS_COMMON)
 269     if (match_substring (string, "IS_COMMON"))
 270       return 1;
 271
 272   return 0;
 273 }
 274
 275 static void
 276 print_bfd_flags (flagword flags)
 277 {
 278   if (flags & SEC_ALLOC)
 279     printf_filtered (" ALLOC");
 280   if (flags & SEC_LOAD)
 281     printf_filtered (" LOAD");
 282   if (flags & SEC_RELOC)
 283     printf_filtered (" RELOC");
 284   if (flags & SEC_READONLY)
 285     printf_filtered (" READONLY");
 286   if (flags & SEC_CODE)
 287     printf_filtered (" CODE");
 288   if (flags & SEC_DATA)
 289     printf_filtered (" DATA");
 290   if (flags & SEC_ROM)
 291     printf_filtered (" ROM");
 292   if (flags & SEC_CONSTRUCTOR)
 293     printf_filtered (" CONSTRUCTOR");
 294   if (flags & SEC_HAS_CONTENTS)
 295     printf_filtered (" HAS_CONTENTS");
 296   if (flags & SEC_NEVER_LOAD)
 297     printf_filtered (" NEVER_LOAD");
 298   if (flags & SEC_COFF_SHARED_LIBRARY)
 299     printf_filtered (" COFF_SHARED_LIBRARY");
 300   if (flags & SEC_IS_COMMON)
 301     printf_filtered (" IS_COMMON");
 302 }
 303
 304 static void
 305 maint_print_section_info (const char *name, flagword flags,
 306                           CORE_ADDR addr, CORE_ADDR endaddr,
 307                           unsigned long filepos)
 308 {
 309   /* FIXME-32x64: Need print_address_numeric with field width.  */
 310   printf_filtered ("    0x%s", paddr (addr));
 311   printf_filtered ("->0x%s", paddr (endaddr));
 312   printf_filtered (" at %s",
 313                    local_hex_string_custom ((unsigned long) filepos, "08l"));
 314   printf_filtered (": %s", name);
 315   print_bfd_flags (flags);
 316   printf_filtered ("\n");
 317 }
 318
 319 static void
 320 print_bfd_section_info (bfd *abfd,
 321                         asection *asect,
 322                         void *arg)
 323 {
 324   flagword flags = bfd_get_section_flags (abfd, asect);
 325   const char *name = bfd_section_name (abfd, asect);
 326
 327   if (arg == NULL || *((char *) arg) == '\0'
 328       || match_substring ((char *) arg, name)
 329       || match_bfd_flags ((char *) arg, flags))
 330     {
 331       CORE_ADDR addr, endaddr;
 332
 333       addr = bfd_section_vma (abfd, asect);
 334       endaddr = addr + bfd_section_size (abfd, asect);
 335       maint_print_section_info (name, flags, addr, endaddr, asect->filepos);
 336     }
 337 }
 338
 339 static void
 340 print_objfile_section_info (bfd *abfd,
 341                             struct obj_section *asect,
 342                             char *string)
 343 {
 344   flagword flags = bfd_get_section_flags (abfd, asect->the_bfd_section);
 345   const char *name = bfd_section_name (abfd, asect->the_bfd_section);
 346
 347   if (string == NULL || *string == '\0'
 348       || match_substring (string, name)
 349       || match_bfd_flags (string, flags))
 350     {
 351       maint_print_section_info (name, flags, asect->addr, asect->endaddr,
 352                           asect->the_bfd_section->filepos);
 353     }
 354 }
 355
 356 /* ARGSUSED */
 357 static void
 358 maintenance_info_sections (char *arg, int from_tty)
 359 {
 360   if (exec_bfd)
 361     {
 362       printf_filtered ("Exec file:\n");
 363       printf_filtered ("    `%s', ", bfd_get_filename (exec_bfd));
 364       wrap_here ("        ");
 365       printf_filtered ("file type %s.\n", bfd_get_target (exec_bfd));
 366       if (arg && *arg && match_substring (arg, "ALLOBJ"))
 367         {
 368           struct objfile *ofile;
 369           struct obj_section *osect;
 370
 371           /* Only this function cares about the 'ALLOBJ' argument;
 372              if 'ALLOBJ' is the only argument, discard it rather than
 373              passing it down to print_objfile_section_info (which
 374              wouldn't know how to handle it).  */
 375           if (strcmp (arg, "ALLOBJ") == 0)
 376             arg = NULL;
 377
 378           ALL_OBJFILES (ofile)
 379             {
 380               printf_filtered ("  Object file: %s\n",
 381                                bfd_get_filename (ofile->obfd));
 382               ALL_OBJFILE_OSECTIONS (ofile, osect)
 383                 {
 384                   print_objfile_section_info (ofile->obfd, osect, arg);
 385                 }
 386             }
 387         }
 388       else
 389         bfd_map_over_sections (exec_bfd, print_bfd_section_info, arg);
 390     }
 391
 392   if (core_bfd)
 393     {
 394       printf_filtered ("Core file:\n");
 395       printf_filtered ("    `%s', ", bfd_get_filename (core_bfd));
 396       wrap_here ("        ");
 397       printf_filtered ("file type %s.\n", bfd_get_target (core_bfd));
 398       bfd_map_over_sections (core_bfd, print_bfd_section_info, arg);
 399     }
 400 }
 401
 402 /* ARGSUSED */
 403 void
 404 maintenance_print_statistics (char *args, int from_tty)
 405 {
 406   print_objfile_statistics ();
 407   print_symbol_bcache_statistics ();
 408 }
 409
 410 void
 411 maintenance_print_architecture (char *args, int from_tty)
 412 {
 413   if (args == NULL)
 414     gdbarch_dump (current_gdbarch, gdb_stdout);
 415   else
 416     {
 417       struct ui_file *file = gdb_fopen (args, "w");
 418       if (file == NULL)
 419         perror_with_name ("maintenance print architecture");
 420       gdbarch_dump (current_gdbarch, file);
 421       ui_file_delete (file);
 422     }
 423 }
 424
 425 /* The "maintenance print" command is defined as a prefix, with
 426    allow_unknown 0.  Therefore, its own definition is called only for
 427    "maintenance print" with no args.  */
 428
 429 /* ARGSUSED */
 430 static void
 431 maintenance_print_command (char *arg, int from_tty)
 432 {
 433   printf_unfiltered ("\"maintenance print\" must be followed by the name of a print command.\n");
 434   help_list (maintenanceprintlist, "maintenance print ", -1, gdb_stdout);
 435 }
 436
 437 /* The "maintenance list" command is defined as a prefix, with
 438    allow_unknown 0.  Therefore, its own definition is called only for
 439    "maintenance list" with no args.  */
 440
 441 /* ARGSUSED */
 442 static void
 443 maintenance_list_command (char *arg, int from_tty)
 444 {
 445   printf_unfiltered ("\"maintenance list\" must be followed by the name of a list command.\n");
 446   help_list (maintenancelistlist, "maintenance list ", -1, gdb_stdout);
 447 }
 448
 449 /* The "maintenance translate-address" command converts a section and address
 450    to a symbol.  This can be called in two ways:
 451    maintenance translate-address <secname> <addr>
 452    or   maintenance translate-address <addr>
 453  */
 454
 455 static void
 456 maintenance_translate_address (char *arg, int from_tty)
 457 {
 458   CORE_ADDR address;
 459   asection *sect;
 460   char *p;
 461   struct minimal_symbol *sym;
 462   struct objfile *objfile;
 463
 464   if (arg == NULL || *arg == 0)
 465     error ("requires argument (address or section + address)");
 466
 467   sect = NULL;
 468   p = arg;
 469
 470   if (!isdigit (*p))
 471     {                           /* See if we have a valid section name */
 472       while (*p && !isspace (*p))       /* Find end of section name */
 473         p++;
 474       if (*p == '\000')         /* End of command? */
 475         error ("Need to specify <section-name> and <address>");
 476       *p++ = '\000';
 477       while (isspace (*p))
 478         p++;                    /* Skip whitespace */
 479
 480       ALL_OBJFILES (objfile)
 481       {
 482         sect = bfd_get_section_by_name (objfile->obfd, arg);
 483         if (sect != NULL)
 484           break;
 485       }
 486
 487       if (!sect)
 488         error ("Unknown section %s.", arg);
 489     }
 490
 491   address = parse_and_eval_address (p);
 492
 493   if (sect)
 494     sym = lookup_minimal_symbol_by_pc_section (address, sect);
 495   else
 496     sym = lookup_minimal_symbol_by_pc (address);
 497
 498   if (sym)
 499     printf_filtered ("%s+%s\n",
 500                      SYMBOL_PRINT_NAME (sym),
 501                      paddr_u (address - SYMBOL_VALUE_ADDRESS (sym)));
 502   else if (sect)
 503     printf_filtered ("no symbol at %s:0x%s\n", sect->name, paddr (address));
 504   else
 505     printf_filtered ("no symbol at 0x%s\n", paddr (address));
 506
 507   return;
 508 }
 509
 510
 511 /* When a command is deprecated the user will be warned the first time
 512    the command is used.  If possible, a replacement will be
 513    offered. */
 514
 515 static void
 516 maintenance_deprecate (char *args, int from_tty)
 517 {
 518   if (args == NULL || *args == '\0')
 519     {
 520       printf_unfiltered ("\"maintenance deprecate\" takes an argument, \n\
 521 the command you want to deprecate, and optionally the replacement command \n\
 522 enclosed in quotes.\n");
 523     }
 524
 525   maintenance_do_deprecate (args, 1);
 526
 527 }
 528
 529
 530 static void
 531 maintenance_undeprecate (char *args, int from_tty)
 532 {
 533   if (args == NULL || *args == '\0')
 534     {
 535       printf_unfiltered ("\"maintenance undeprecate\" takes an argument, \n\
 536 the command you want to undeprecate.\n");
 537     }
 538
 539   maintenance_do_deprecate (args, 0);
 540
 541 }
 542
 543 /* You really shouldn't be using this. It is just for the testsuite.
 544    Rather, you should use deprecate_cmd() when the command is created
 545    in _initialize_blah().
 546
 547    This function deprecates a command and optionally assigns it a
 548    replacement.  */
 549
 550 static void
 551 maintenance_do_deprecate (char *text, int deprecate)
 552 {
 553
 554   struct cmd_list_element *alias = NULL;
 555   struct cmd_list_element *prefix_cmd = NULL;
 556   struct cmd_list_element *cmd = NULL;
 557
 558   char *start_ptr = NULL;
 559   char *end_ptr = NULL;
 560   int len;
 561   char *replacement = NULL;
 562
 563   if (text == NULL)
 564     return;
 565
 566   if (!lookup_cmd_composition (text, &alias, &prefix_cmd, &cmd))
 567     {
 568       printf_filtered ("Can't find command '%s' to deprecate.\n", text);
 569       return;
 570     }
 571
 572   if (deprecate)
 573     {
 574       /* look for a replacement command */
 575       start_ptr = strchr (text, '\"');
 576       if (start_ptr != NULL)
 577         {
 578           start_ptr++;
 579           end_ptr = strrchr (start_ptr, '\"');
 580           if (end_ptr != NULL)
 581             {
 582               len = end_ptr - start_ptr;
 583               start_ptr[len] = '\0';
 584               replacement = xstrdup (start_ptr);
 585             }
 586         }
 587     }
 588
 589   if (!start_ptr || !end_ptr)
 590     replacement = NULL;
 591
 592
 593   /* If they used an alias, we only want to deprecate the alias.
 594
 595      Note the MALLOCED_REPLACEMENT test.  If the command's replacement
 596      string was allocated at compile time we don't want to free the
 597      memory. */
 598   if (alias)
 599     {
 600
 601       if (alias->flags & MALLOCED_REPLACEMENT)
 602         xfree (alias->replacement);
 603
 604       if (deprecate)
 605         alias->flags |= (DEPRECATED_WARN_USER | CMD_DEPRECATED);
 606       else
 607         alias->flags &= ~(DEPRECATED_WARN_USER | CMD_DEPRECATED);
 608       alias->replacement = replacement;
 609       alias->flags |= MALLOCED_REPLACEMENT;
 610       return;
 611     }
 612   else if (cmd)
 613     {
 614       if (cmd->flags & MALLOCED_REPLACEMENT)
 615         xfree (cmd->replacement);
 616
 617       if (deprecate)
 618         cmd->flags |= (DEPRECATED_WARN_USER | CMD_DEPRECATED);
 619       else
 620         cmd->flags &= ~(DEPRECATED_WARN_USER | CMD_DEPRECATED);
 621       cmd->replacement = replacement;
 622       cmd->flags |= MALLOCED_REPLACEMENT;
 623       return;
 624     }
 625 }
 626
 627 /* Maintenance set/show framework.  */
 628
 629 static struct cmd_list_element *maintenance_set_cmdlist;
 630 static struct cmd_list_element *maintenance_show_cmdlist;
 631
 632 static void
 633 maintenance_set_cmd (char *args, int from_tty)
 634 {
 635   printf_unfiltered ("\"maintenance set\" must be followed by the name of a set command.\n");
 636   help_list (maintenance_set_cmdlist, "maintenance set ", -1, gdb_stdout);
 637 }
 638
 639 static void
 640 maintenance_show_cmd (char *args, int from_tty)
 641 {
 642   cmd_show_list (maintenance_show_cmdlist, from_tty, "");
 643 }
 644
 645 /* Profiling support.  */
 646
 647 static int maintenance_profile_p;
 648
 649 #if defined (HAVE_MONSTARTUP) && defined (HAVE__MCLEANUP)
 650
 651 #ifdef HAVE__ETEXT
 652 extern char _etext;
 653 #define TEXTEND &_etext
 654 #else
 655 extern char etext;
 656 #define TEXTEND &etext
 657 #endif
 658
 659 static int profiling_state;
 660
 661 static void
 662 mcleanup_wrapper (void)
 663 {
 664   extern void _mcleanup (void);
 665
 666   if (profiling_state)
 667     _mcleanup ();
 668 }
 669
 670 static void
 671 maintenance_set_profile_cmd (char *args, int from_tty, struct cmd_list_element *c)
 672 {
 673   if (maintenance_profile_p == profiling_state)
 674     return;
 675
 676   profiling_state = maintenance_profile_p;
 677
 678   if (maintenance_profile_p)
 679     {
 680       static int profiling_initialized;
 681
 682       extern void monstartup (unsigned long, unsigned long);
 683       extern int main();
 684
 685       if (!profiling_initialized)
 686         {
 687           atexit (mcleanup_wrapper);
 688           profiling_initialized = 1;
 689         }
 690
 691       /* "main" is now always the first function in the text segment, so use
 692          its address for monstartup.  */
 693       monstartup ((unsigned long) &main, (unsigned long) TEXTEND);
 694     }
 695   else
 696     {
 697       extern void _mcleanup (void);
 698       _mcleanup ();
 699     }
 700 }
 701 #else
 702 static void
 703 maintenance_set_profile_cmd (char *args, int from_tty, struct cmd_list_element *c)
 704 {
 705   error ("Profiling support is not available on this system.");
 706 }
 707 #endif
 708
 709 void
 710 _initialize_maint_cmds (void)
 711 {
 712   struct cmd_list_element *tmpcmd;
 713
 714   add_prefix_cmd ("maintenance", class_maintenance, maintenance_command,
 715                   "Commands for use by GDB maintainers.\n\
 716 Includes commands to dump specific internal GDB structures in\n\
 717 a human readable form, to cause GDB to deliberately dump core,\n\
 718 to test internal functions such as the C++/ObjC demangler, etc.",
 719                   &maintenancelist, "maintenance ", 0,
 720                   &cmdlist);
 721
 722   add_com_alias ("mt", "maintenance", class_maintenance, 1);
 723
 724   add_prefix_cmd ("info", class_maintenance, maintenance_info_command,
 725      "Commands for showing internal info about the program being debugged.",
 726                   &maintenanceinfolist, "maintenance info ", 0,
 727                   &maintenancelist);
 728   add_alias_cmd ("i", "info", class_maintenance, 1, &maintenancelist);
 729
 730   add_cmd ("sections", class_maintenance, maintenance_info_sections,
 731            "List the BFD sections of the exec and core files. \n\
 732 Arguments may be any combination of:\n\
 733         [one or more section names]\n\
 734         ALLOC LOAD RELOC READONLY CODE DATA ROM CONSTRUCTOR\n\
 735         HAS_CONTENTS NEVER_LOAD COFF_SHARED_LIBRARY IS_COMMON\n\
 736 Sections matching any argument will be listed (no argument\n\
 737 implies all sections).  In addition, the special argument\n\
 738         ALLOBJ\n\
 739 lists all sections from all object files, including shared libraries.",
 740            &maintenanceinfolist);
 741
 742   add_prefix_cmd ("print", class_maintenance, maintenance_print_command,
 743                   "Maintenance command for printing GDB internal state.",
 744                   &maintenanceprintlist, "maintenance print ", 0,
 745                   &maintenancelist);
 746
 747   add_prefix_cmd ("list", class_maintenance, maintenance_list_command,
 748                   "Maintenance command for listing GDB internal state.",
 749                   &maintenancelistlist, "maintenance list ", 0,
 750                   &maintenancelist);
 751
 752   add_prefix_cmd ("set", class_maintenance, maintenance_set_cmd, "\
 753 Set GDB internal variables used by the GDB maintainer.\n\
 754 Configure variables internal to GDB that aid in GDB's maintenance",
 755                   &maintenance_set_cmdlist, "maintenance set ",
 756                   0/*allow-unknown*/,
 757                   &maintenancelist);
 758
 759   add_prefix_cmd ("show", class_maintenance, maintenance_show_cmd, "\
 760 Show GDB internal variables used by the GDB maintainer.\n\
 761 Configure variables internal to GDB that aid in GDB's maintenance",
 762                   &maintenance_show_cmdlist, "maintenance show ",
 763                   0/*allow-unknown*/,
 764                   &maintenancelist);
 765
 766 #ifndef _WIN32
 767   add_cmd ("dump-me", class_maintenance, maintenance_dump_me,
 768            "Get fatal error; make debugger dump its core.\n\
 769 GDB sets its handling of SIGQUIT back to SIG_DFL and then sends\n\
 770 itself a SIGQUIT signal.",
 771            &maintenancelist);
 772 #endif
 773
 774   add_cmd ("internal-error", class_maintenance, maintenance_internal_error,
 775            "Give GDB an internal error.\n\
 776 Cause GDB to behave as if an internal error was detected.",
 777            &maintenancelist);
 778
 779   add_cmd ("internal-warning", class_maintenance, maintenance_internal_warning,
 780            "Give GDB an internal warning.\n\
 781 Cause GDB to behave as if an internal warning was reported.",
 782            &maintenancelist);
 783
 784   add_cmd ("demangle", class_maintenance, maintenance_demangle,
 785            "Demangle a C++/ObjC mangled name.\n\
 786 Call internal GDB demangler routine to demangle a C++ link name\n\
 787 and prints the result.",
 788            &maintenancelist);
 789
 790   add_cmd ("time", class_maintenance, maintenance_time_display,
 791            "Set the display of time usage.\n\
 792 If nonzero, will cause the execution time for each command to be\n\
 793 displayed, following the command's output.",
 794            &maintenancelist);
 795
 796   add_cmd ("space", class_maintenance, maintenance_space_display,
 797            "Set the display of space usage.\n\
 798 If nonzero, will cause the execution space for each command to be\n\
 799 displayed, following the command's output.",
 800            &maintenancelist);
 801
 802   add_cmd ("type", class_maintenance, maintenance_print_type,
 803            "Print a type chain for a given symbol.\n\
 804 For each node in a type chain, print the raw data for each member of\n\
 805 the type structure, and the interpretation of the data.",
 806            &maintenanceprintlist);
 807
 808   add_cmd ("symbols", class_maintenance, maintenance_print_symbols,
 809            "Print dump of current symbol definitions.\n\
 810 Entries in the full symbol table are dumped to file OUTFILE.\n\
 811 If a SOURCE file is specified, dump only that file's symbols.",
 812            &maintenanceprintlist);
 813
 814   add_cmd ("msymbols", class_maintenance, maintenance_print_msymbols,
 815            "Print dump of current minimal symbol definitions.\n\
 816 Entries in the minimal symbol table are dumped to file OUTFILE.\n\
 817 If a SOURCE file is specified, dump only that file's minimal symbols.",
 818            &maintenanceprintlist);
 819
 820   add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols,
 821            "Print dump of current partial symbol definitions.\n\
 822 Entries in the partial symbol table are dumped to file OUTFILE.\n\
 823 If a SOURCE file is specified, dump only that file's partial symbols.",
 824            &maintenanceprintlist);
 825
 826   add_cmd ("objfiles", class_maintenance, maintenance_print_objfiles,
 827            "Print dump of current object file definitions.",
 828            &maintenanceprintlist);
 829
 830   add_cmd ("symtabs", class_maintenance, maintenance_list_symtabs,
 831            "List the full symbol tables for all object files.\n\
 832 This does not include information about individual symbols, blocks, or\n\
 833 linetables --- just the symbol table structures themselves.\n\
 834 With an argument REGEXP, list the symbol tables whose names that match that.",
 835            &maintenancelistlist);
 836
 837   add_cmd ("psymtabs", class_maintenance, maintenance_list_psymtabs,
 838            "List the partial symbol tables for all object files.\n\
 839 This does not include information about individual partial symbols,\n\
 840 just the symbol table structures themselves.",
 841            &maintenancelistlist);
 842
 843   add_cmd ("statistics", class_maintenance, maintenance_print_statistics,
 844            "Print statistics about internal gdb state.",
 845            &maintenanceprintlist);
 846
 847   add_cmd ("architecture", class_maintenance, maintenance_print_architecture,
 848            "Print the internal architecture configuration.\
 849 Takes an optional file parameter.",
 850            &maintenanceprintlist);
 851
 852   add_cmd ("check-symtabs", class_maintenance, maintenance_check_symtabs,
 853            "Check consistency of psymtabs and symtabs.",
 854            &maintenancelist);
 855
 856   add_cmd ("translate-address", class_maintenance, maintenance_translate_address,
 857            "Translate a section name and address to a symbol.",
 858            &maintenancelist);
 859
 860   add_cmd ("deprecate", class_maintenance, maintenance_deprecate,
 861            "Deprecate a command.  Note that this is just in here so the \n\
 862 testsuite can check the comamnd deprecator. You probably shouldn't use this,\n\
 863 rather you should use the C function deprecate_cmd().  If you decide you \n\
 864 want to use it: maintenance deprecate 'commandname' \"replacement\". The \n\
 865 replacement is optional.", &maintenancelist);
 866
 867   add_cmd ("undeprecate", class_maintenance, maintenance_undeprecate,
 868            "Undeprecate a command.  Note that this is just in here so the \n\
 869 testsuite can check the comamnd deprecator. You probably shouldn't use this,\n\
 870 If you decide you want to use it: maintenance undeprecate 'commandname'",
 871            &maintenancelist);
 872
 873   add_show_from_set (
 874                       add_set_cmd ("watchdog", class_maintenance, var_zinteger, (char *) &watchdog,
 875                                    "Set watchdog timer.\n\
 876 When non-zero, this timeout is used instead of waiting forever for a target to\n\
 877 finish a low-level step or continue operation.  If the specified amount of time\n\
 878 passes without a response from the target, an error occurs.", &setlist),
 879                       &showlist);
 880
 881
 882   add_setshow_boolean_cmd ("profile", class_maintenance,
 883                            &maintenance_profile_p,
 884                            "Set internal profiling.\n"
 885                            "When enabled GDB is profiled.",
 886                            "Show internal profiling.\n",
 887                            maintenance_set_profile_cmd, NULL,
 888                            &maintenance_set_cmdlist,
 889                            &maintenance_show_cmdlist);
 890 }