gdb/symmisc.c

   1 /* Do various things to symbol tables (other than lookup), for GDB.
   2
   3    Copyright (C) 1986-2000, 2002-2004, 2007-2012 Free Software
   4    Foundation, Inc.
   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 3 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, see <http://www.gnu.org/licenses/>.  */
  20
  21 #include "defs.h"
  22 #include "symtab.h"
  23 #include "gdbtypes.h"
  24 #include "bfd.h"
  25 #include "filenames.h"
  26 #include "symfile.h"
  27 #include "objfiles.h"
  28 #include "breakpoint.h"
  29 #include "command.h"
  30 #include "gdb_obstack.h"
  31 #include "exceptions.h"
  32 #include "language.h"
  33 #include "bcache.h"
  34 #include "block.h"
  35 #include "gdb_regex.h"
  36 #include "gdb_stat.h"
  37 #include "dictionary.h"
  38 #include "typeprint.h"
  39 #include "gdbcmd.h"
  40
  41 #include "gdb_string.h"
  42 #include "readline/readline.h"
  43
  44 #include "psymtab.h"
  45
  46 #ifndef DEV_TTY
  47 #define DEV_TTY "/dev/tty"
  48 #endif
  49
  50 /* Unfortunately for debugging, stderr is usually a macro.  This is painful
  51    when calling functions that take FILE *'s from the debugger.
  52    So we make a variable which has the same value and which is accessible when
  53    debugging GDB with itself.  Because stdin et al need not be constants,
  54    we initialize them in the _initialize_symmisc function at the bottom
  55    of the file.  */
  56 FILE *std_in;
  57 FILE *std_out;
  58 FILE *std_err;
  59
  60 /* Prototypes for local functions */
  61
  62 static void dump_symtab (struct objfile *, struct symtab *,
  63                          struct ui_file *);
  64
  65 static void dump_msymbols (struct objfile *, struct ui_file *);
  66
  67 static void dump_objfile (struct objfile *);
  68
  69 static int block_depth (struct block *);
  70
  71 void _initialize_symmisc (void);
  72
  73 struct print_symbol_args
  74   {
  75     struct gdbarch *gdbarch;
  76     struct symbol *symbol;
  77     int depth;
  78     struct ui_file *outfile;
  79   };
  80
  81 static int print_symbol (void *);
  82 \f
  83
  84 void
  85 print_symbol_bcache_statistics (void)
  86 {
  87   struct program_space *pspace;
  88   struct objfile *objfile;
  89
  90   ALL_PSPACES (pspace)
  91     ALL_PSPACE_OBJFILES (pspace, objfile)
  92   {
  93     QUIT;
  94     printf_filtered (_("Byte cache statistics for '%s':\n"), objfile->name);
  95     print_bcache_statistics (psymbol_bcache_get_bcache (objfile->psymbol_cache),
  96                              "partial symbol cache");
  97     print_bcache_statistics (objfile->per_bfd->macro_cache,
  98                              "preprocessor macro cache");
  99     print_bcache_statistics (objfile->per_bfd->filename_cache,
 100                              "file name cache");
 101   }
 102 }
 103
 104 void
 105 print_objfile_statistics (void)
 106 {
 107   struct program_space *pspace;
 108   struct objfile *objfile;
 109   struct symtab *s;
 110   int i, linetables, blockvectors;
 111
 112   ALL_PSPACES (pspace)
 113     ALL_PSPACE_OBJFILES (pspace, objfile)
 114   {
 115     QUIT;
 116     printf_filtered (_("Statistics for '%s':\n"), objfile->name);
 117     if (OBJSTAT (objfile, n_stabs) > 0)
 118       printf_filtered (_("  Number of \"stab\" symbols read: %d\n"),
 119                        OBJSTAT (objfile, n_stabs));
 120     if (OBJSTAT (objfile, n_minsyms) > 0)
 121       printf_filtered (_("  Number of \"minimal\" symbols read: %d\n"),
 122                        OBJSTAT (objfile, n_minsyms));
 123     if (OBJSTAT (objfile, n_psyms) > 0)
 124       printf_filtered (_("  Number of \"partial\" symbols read: %d\n"),
 125                        OBJSTAT (objfile, n_psyms));
 126     if (OBJSTAT (objfile, n_syms) > 0)
 127       printf_filtered (_("  Number of \"full\" symbols read: %d\n"),
 128                        OBJSTAT (objfile, n_syms));
 129     if (OBJSTAT (objfile, n_types) > 0)
 130       printf_filtered (_("  Number of \"types\" defined: %d\n"),
 131                        OBJSTAT (objfile, n_types));
 132     if (objfile->sf)
 133       objfile->sf->qf->print_stats (objfile);
 134     i = linetables = blockvectors = 0;
 135     ALL_OBJFILE_SYMTABS (objfile, s)
 136       {
 137         i++;
 138         if (s->linetable != NULL)
 139           linetables++;
 140         if (s->primary == 1)
 141           blockvectors++;
 142       }
 143     printf_filtered (_("  Number of symbol tables: %d\n"), i);
 144     printf_filtered (_("  Number of symbol tables with line tables: %d\n"),
 145                      linetables);
 146     printf_filtered (_("  Number of symbol tables with blockvectors: %d\n"),
 147                      blockvectors);
 148
 149     if (OBJSTAT (objfile, sz_strtab) > 0)
 150       printf_filtered (_("  Space used by a.out string tables: %d\n"),
 151                        OBJSTAT (objfile, sz_strtab));
 152     printf_filtered (_("  Total memory used for objfile obstack: %d\n"),
 153                      obstack_memory_used (&objfile->objfile_obstack));
 154     printf_filtered (_("  Total memory used for BFD obstack: %d\n"),
 155                      obstack_memory_used (&objfile->per_bfd->storage_obstack));
 156     printf_filtered (_("  Total memory used for psymbol cache: %d\n"),
 157                      bcache_memory_used (psymbol_bcache_get_bcache
 158                                           (objfile->psymbol_cache)));
 159     printf_filtered (_("  Total memory used for macro cache: %d\n"),
 160                      bcache_memory_used (objfile->per_bfd->macro_cache));
 161     printf_filtered (_("  Total memory used for file name cache: %d\n"),
 162                      bcache_memory_used (objfile->per_bfd->filename_cache));
 163   }
 164 }
 165
 166 static void
 167 dump_objfile (struct objfile *objfile)
 168 {
 169   struct symtab *symtab;
 170
 171   printf_filtered ("\nObject file %s:  ", objfile->name);
 172   printf_filtered ("Objfile at ");
 173   gdb_print_host_address (objfile, gdb_stdout);
 174   printf_filtered (", bfd at ");
 175   gdb_print_host_address (objfile->obfd, gdb_stdout);
 176   printf_filtered (", %d minsyms\n\n",
 177                    objfile->minimal_symbol_count);
 178
 179   if (objfile->sf)
 180     objfile->sf->qf->dump (objfile);
 181
 182   if (objfile->symtabs)
 183     {
 184       printf_filtered ("Symtabs:\n");
 185       for (symtab = objfile->symtabs;
 186            symtab != NULL;
 187            symtab = symtab->next)
 188         {
 189           printf_filtered ("%s at ", symtab->filename);
 190           gdb_print_host_address (symtab, gdb_stdout);
 191           printf_filtered (", ");
 192           if (symtab->objfile != objfile)
 193             {
 194               printf_filtered ("NOT ON CHAIN!  ");
 195             }
 196           wrap_here ("  ");
 197         }
 198       printf_filtered ("\n\n");
 199     }
 200 }
 201
 202 /* Print minimal symbols from this objfile.  */
 203
 204 static void
 205 dump_msymbols (struct objfile *objfile, struct ui_file *outfile)
 206 {
 207   struct gdbarch *gdbarch = get_objfile_arch (objfile);
 208   struct minimal_symbol *msymbol;
 209   int index;
 210   char ms_type;
 211
 212   fprintf_filtered (outfile, "\nObject file %s:\n\n", objfile->name);
 213   if (objfile->minimal_symbol_count == 0)
 214     {
 215       fprintf_filtered (outfile, "No minimal symbols found.\n");
 216       return;
 217     }
 218   index = 0;
 219   ALL_OBJFILE_MSYMBOLS (objfile, msymbol)
 220     {
 221       struct obj_section *section = SYMBOL_OBJ_SECTION (msymbol);
 222
 223       switch (MSYMBOL_TYPE (msymbol))
 224         {
 225         case mst_unknown:
 226           ms_type = 'u';
 227           break;
 228         case mst_text:
 229           ms_type = 'T';
 230           break;
 231         case mst_text_gnu_ifunc:
 232           ms_type = 'i';
 233           break;
 234         case mst_solib_trampoline:
 235           ms_type = 'S';
 236           break;
 237         case mst_data:
 238           ms_type = 'D';
 239           break;
 240         case mst_bss:
 241           ms_type = 'B';
 242           break;
 243         case mst_abs:
 244           ms_type = 'A';
 245           break;
 246         case mst_file_text:
 247           ms_type = 't';
 248           break;
 249         case mst_file_data:
 250           ms_type = 'd';
 251           break;
 252         case mst_file_bss:
 253           ms_type = 'b';
 254           break;
 255         default:
 256           ms_type = '?';
 257           break;
 258         }
 259       fprintf_filtered (outfile, "[%2d] %c ", index, ms_type);
 260       fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (msymbol)),
 261                       outfile);
 262       fprintf_filtered (outfile, " %s", SYMBOL_LINKAGE_NAME (msymbol));
 263       if (section)
 264         fprintf_filtered (outfile, " section %s",
 265                           bfd_section_name (objfile->obfd,
 266                                             section->the_bfd_section));
 267       if (SYMBOL_DEMANGLED_NAME (msymbol) != NULL)
 268         {
 269           fprintf_filtered (outfile, "  %s", SYMBOL_DEMANGLED_NAME (msymbol));
 270         }
 271       if (msymbol->filename)
 272         fprintf_filtered (outfile, "  %s", msymbol->filename);
 273       fputs_filtered ("\n", outfile);
 274       index++;
 275     }
 276   if (objfile->minimal_symbol_count != index)
 277     {
 278       warning (_("internal error:  minimal symbol count %d != %d"),
 279                objfile->minimal_symbol_count, index);
 280     }
 281   fprintf_filtered (outfile, "\n");
 282 }
 283
 284 static void
 285 dump_symtab_1 (struct objfile *objfile, struct symtab *symtab,
 286                struct ui_file *outfile)
 287 {
 288   struct gdbarch *gdbarch = get_objfile_arch (objfile);
 289   int i;
 290   struct dict_iterator iter;
 291   int len;
 292   struct linetable *l;
 293   struct blockvector *bv;
 294   struct symbol *sym;
 295   struct block *b;
 296   int depth;
 297
 298   fprintf_filtered (outfile, "\nSymtab for file %s\n", symtab->filename);
 299   if (symtab->dirname)
 300     fprintf_filtered (outfile, "Compilation directory is %s\n",
 301                       symtab->dirname);
 302   fprintf_filtered (outfile, "Read from object file %s (", objfile->name);
 303   gdb_print_host_address (objfile, outfile);
 304   fprintf_filtered (outfile, ")\n");
 305   fprintf_filtered (outfile, "Language: %s\n",
 306                     language_str (symtab->language));
 307
 308   /* First print the line table.  */
 309   l = LINETABLE (symtab);
 310   if (l)
 311     {
 312       fprintf_filtered (outfile, "\nLine table:\n\n");
 313       len = l->nitems;
 314       for (i = 0; i < len; i++)
 315         {
 316           fprintf_filtered (outfile, " line %d at ", l->item[i].line);
 317           fputs_filtered (paddress (gdbarch, l->item[i].pc), outfile);
 318           fprintf_filtered (outfile, "\n");
 319         }
 320     }
 321   /* Now print the block info, but only for primary symtabs since we will
 322      print lots of duplicate info otherwise.  */
 323   if (symtab->primary)
 324     {
 325       fprintf_filtered (outfile, "\nBlockvector:\n\n");
 326       bv = BLOCKVECTOR (symtab);
 327       len = BLOCKVECTOR_NBLOCKS (bv);
 328       for (i = 0; i < len; i++)
 329         {
 330           b = BLOCKVECTOR_BLOCK (bv, i);
 331           depth = block_depth (b) * 2;
 332           print_spaces (depth, outfile);
 333           fprintf_filtered (outfile, "block #%03d, object at ", i);
 334           gdb_print_host_address (b, outfile);
 335           if (BLOCK_SUPERBLOCK (b))
 336             {
 337               fprintf_filtered (outfile, " under ");
 338               gdb_print_host_address (BLOCK_SUPERBLOCK (b), outfile);
 339             }
 340           /* drow/2002-07-10: We could save the total symbols count
 341              even if we're using a hashtable, but nothing else but this message
 342              wants it.  */
 343           fprintf_filtered (outfile, ", %d syms/buckets in ",
 344                             dict_size (BLOCK_DICT (b)));
 345           fputs_filtered (paddress (gdbarch, BLOCK_START (b)), outfile);
 346           fprintf_filtered (outfile, "..");
 347           fputs_filtered (paddress (gdbarch, BLOCK_END (b)), outfile);
 348           if (BLOCK_FUNCTION (b))
 349             {
 350               fprintf_filtered (outfile, ", function %s",
 351                                 SYMBOL_LINKAGE_NAME (BLOCK_FUNCTION (b)));
 352               if (SYMBOL_DEMANGLED_NAME (BLOCK_FUNCTION (b)) != NULL)
 353                 {
 354                   fprintf_filtered (outfile, ", %s",
 355                                 SYMBOL_DEMANGLED_NAME (BLOCK_FUNCTION (b)));
 356                 }
 357             }
 358           fprintf_filtered (outfile, "\n");
 359           /* Now print each symbol in this block (in no particular order, if
 360              we're using a hashtable).  Note that we only want this
 361              block, not any blocks from included symtabs.  */
 362           ALL_DICT_SYMBOLS (BLOCK_DICT (b), iter, sym)
 363             {
 364               struct print_symbol_args s;
 365
 366               s.gdbarch = gdbarch;
 367               s.symbol = sym;
 368               s.depth = depth + 1;
 369               s.outfile = outfile;
 370               catch_errors (print_symbol, &s, "Error printing symbol:\n",
 371                             RETURN_MASK_ERROR);
 372             }
 373         }
 374       fprintf_filtered (outfile, "\n");
 375     }
 376   else
 377     {
 378       fprintf_filtered (outfile, "\nBlockvector same as previous symtab\n\n");
 379     }
 380 }
 381
 382 static void
 383 dump_symtab (struct objfile *objfile, struct symtab *symtab,
 384              struct ui_file *outfile)
 385 {
 386   /* Set the current language to the language of the symtab we're dumping
 387      because certain routines used during dump_symtab() use the current
 388      language to print an image of the symbol.  We'll restore it later.
 389      But use only real languages, not placeholders.  */
 390   if (symtab->language != language_unknown
 391       && symtab->language != language_auto)
 392     {
 393       enum language saved_lang;
 394
 395       saved_lang = set_language (symtab->language);
 396
 397       dump_symtab_1 (objfile, symtab, outfile);
 398
 399       set_language (saved_lang);
 400     }
 401   else
 402     dump_symtab_1 (objfile, symtab, outfile);
 403 }
 404
 405 static void
 406 maintenance_print_symbols (char *args, int from_tty)
 407 {
 408   char **argv;
 409   struct ui_file *outfile;
 410   struct cleanup *cleanups;
 411   char *symname = NULL;
 412   char *filename = DEV_TTY;
 413   struct objfile *objfile;
 414   struct symtab *s;
 415
 416   dont_repeat ();
 417
 418   if (args == NULL)
 419     {
 420       error (_("Arguments missing: an output file name "
 421                "and an optional symbol file name"));
 422     }
 423   argv = gdb_buildargv (args);
 424   cleanups = make_cleanup_freeargv (argv);
 425
 426   if (argv[0] != NULL)
 427     {
 428       filename = argv[0];
 429       /* If a second arg is supplied, it is a source file name to match on.  */
 430       if (argv[1] != NULL)
 431         {
 432           symname = argv[1];
 433         }
 434     }
 435
 436   filename = tilde_expand (filename);
 437   make_cleanup (xfree, filename);
 438
 439   outfile = gdb_fopen (filename, FOPEN_WT);
 440   if (outfile == 0)
 441     perror_with_name (filename);
 442   make_cleanup_ui_file_delete (outfile);
 443
 444   ALL_SYMTABS (objfile, s)
 445     {
 446       QUIT;
 447       if (symname == NULL || filename_cmp (symname, s->filename) == 0)
 448         dump_symtab (objfile, s, outfile);
 449     }
 450   do_cleanups (cleanups);
 451 }
 452
 453 /* Print symbol ARGS->SYMBOL on ARGS->OUTFILE.  ARGS->DEPTH says how
 454    far to indent.  ARGS is really a struct print_symbol_args *, but is
 455    declared as char * to get it past catch_errors.  Returns 0 for error,
 456    1 for success.  */
 457
 458 static int
 459 print_symbol (void *args)
 460 {
 461   struct gdbarch *gdbarch = ((struct print_symbol_args *) args)->gdbarch;
 462   struct symbol *symbol = ((struct print_symbol_args *) args)->symbol;
 463   int depth = ((struct print_symbol_args *) args)->depth;
 464   struct ui_file *outfile = ((struct print_symbol_args *) args)->outfile;
 465   struct obj_section *section = SYMBOL_OBJ_SECTION (symbol);
 466
 467   print_spaces (depth, outfile);
 468   if (SYMBOL_DOMAIN (symbol) == LABEL_DOMAIN)
 469     {
 470       fprintf_filtered (outfile, "label %s at ", SYMBOL_PRINT_NAME (symbol));
 471       fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (symbol)),
 472                       outfile);
 473       if (section)
 474         fprintf_filtered (outfile, " section %s\n",
 475                           bfd_section_name (section->the_bfd_section->owner,
 476                                             section->the_bfd_section));
 477       else
 478         fprintf_filtered (outfile, "\n");
 479       return 1;
 480     }
 481   if (SYMBOL_DOMAIN (symbol) == STRUCT_DOMAIN)
 482     {
 483       if (TYPE_TAG_NAME (SYMBOL_TYPE (symbol)))
 484         {
 485           LA_PRINT_TYPE (SYMBOL_TYPE (symbol), "", outfile, 1, depth,
 486                          &type_print_raw_options);
 487         }
 488       else
 489         {
 490           fprintf_filtered (outfile, "%s %s = ",
 491                          (TYPE_CODE (SYMBOL_TYPE (symbol)) == TYPE_CODE_ENUM
 492                           ? "enum"
 493                      : (TYPE_CODE (SYMBOL_TYPE (symbol)) == TYPE_CODE_STRUCT
 494                         ? "struct" : "union")),
 495                             SYMBOL_LINKAGE_NAME (symbol));
 496           LA_PRINT_TYPE (SYMBOL_TYPE (symbol), "", outfile, 1, depth,
 497                          &type_print_raw_options);
 498         }
 499       fprintf_filtered (outfile, ";\n");
 500     }
 501   else
 502     {
 503       if (SYMBOL_CLASS (symbol) == LOC_TYPEDEF)
 504         fprintf_filtered (outfile, "typedef ");
 505       if (SYMBOL_TYPE (symbol))
 506         {
 507           /* Print details of types, except for enums where it's clutter.  */
 508           LA_PRINT_TYPE (SYMBOL_TYPE (symbol), SYMBOL_PRINT_NAME (symbol),
 509                          outfile,
 510                          TYPE_CODE (SYMBOL_TYPE (symbol)) != TYPE_CODE_ENUM,
 511                          depth,
 512                          &type_print_raw_options);
 513           fprintf_filtered (outfile, "; ");
 514         }
 515       else
 516         fprintf_filtered (outfile, "%s ", SYMBOL_PRINT_NAME (symbol));
 517
 518       switch (SYMBOL_CLASS (symbol))
 519         {
 520         case LOC_CONST:
 521           fprintf_filtered (outfile, "const %s (%s)",
 522                             plongest (SYMBOL_VALUE (symbol)),
 523                             hex_string (SYMBOL_VALUE (symbol)));
 524           break;
 525
 526         case LOC_CONST_BYTES:
 527           {
 528             unsigned i;
 529             struct type *type = check_typedef (SYMBOL_TYPE (symbol));
 530
 531             fprintf_filtered (outfile, "const %u hex bytes:",
 532                               TYPE_LENGTH (type));
 533             for (i = 0; i < TYPE_LENGTH (type); i++)
 534               fprintf_filtered (outfile, " %02x",
 535                                 (unsigned) SYMBOL_VALUE_BYTES (symbol)[i]);
 536           }
 537           break;
 538
 539         case LOC_STATIC:
 540           fprintf_filtered (outfile, "static at ");
 541           fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (symbol)),
 542                           outfile);
 543           if (section)
 544             fprintf_filtered (outfile, " section %s",
 545                               bfd_section_name (section->the_bfd_section->owner,
 546                                                 section->the_bfd_section));
 547           break;
 548
 549         case LOC_REGISTER:
 550           if (SYMBOL_IS_ARGUMENT (symbol))
 551             fprintf_filtered (outfile, "parameter register %s",
 552                               plongest (SYMBOL_VALUE (symbol)));
 553           else
 554             fprintf_filtered (outfile, "register %s",
 555                               plongest (SYMBOL_VALUE (symbol)));
 556           break;
 557
 558         case LOC_ARG:
 559           fprintf_filtered (outfile, "arg at offset %s",
 560                             hex_string (SYMBOL_VALUE (symbol)));
 561           break;
 562
 563         case LOC_REF_ARG:
 564           fprintf_filtered (outfile, "reference arg at %s",
 565                             hex_string (SYMBOL_VALUE (symbol)));
 566           break;
 567
 568         case LOC_REGPARM_ADDR:
 569           fprintf_filtered (outfile, "address parameter register %s",
 570                             plongest (SYMBOL_VALUE (symbol)));
 571           break;
 572
 573         case LOC_LOCAL:
 574           fprintf_filtered (outfile, "local at offset %s",
 575                             hex_string (SYMBOL_VALUE (symbol)));
 576           break;
 577
 578         case LOC_TYPEDEF:
 579           break;
 580
 581         case LOC_LABEL:
 582           fprintf_filtered (outfile, "label at ");
 583           fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (symbol)),
 584                           outfile);
 585           if (section)
 586             fprintf_filtered (outfile, " section %s",
 587                               bfd_section_name (section->the_bfd_section->owner,
 588                                                 section->the_bfd_section));
 589           break;
 590
 591         case LOC_BLOCK:
 592           fprintf_filtered (outfile, "block object ");
 593           gdb_print_host_address (SYMBOL_BLOCK_VALUE (symbol), outfile);
 594           fprintf_filtered (outfile, ", ");
 595           fputs_filtered (paddress (gdbarch,
 596                                     BLOCK_START (SYMBOL_BLOCK_VALUE (symbol))),
 597                           outfile);
 598           fprintf_filtered (outfile, "..");
 599           fputs_filtered (paddress (gdbarch,
 600                                     BLOCK_END (SYMBOL_BLOCK_VALUE (symbol))),
 601                           outfile);
 602           if (section)
 603             fprintf_filtered (outfile, " section %s",
 604                               bfd_section_name (section->the_bfd_section->owner,
 605                                                 section->the_bfd_section));
 606           break;
 607
 608         case LOC_COMPUTED:
 609           fprintf_filtered (outfile, "computed at runtime");
 610           break;
 611
 612         case LOC_UNRESOLVED:
 613           fprintf_filtered (outfile, "unresolved");
 614           break;
 615
 616         case LOC_OPTIMIZED_OUT:
 617           fprintf_filtered (outfile, "optimized out");
 618           break;
 619
 620         default:
 621           fprintf_filtered (outfile, "botched symbol class %x",
 622                             SYMBOL_CLASS (symbol));
 623           break;
 624         }
 625     }
 626   fprintf_filtered (outfile, "\n");
 627   return 1;
 628 }
 629
 630 static void
 631 maintenance_print_msymbols (char *args, int from_tty)
 632 {
 633   char **argv;
 634   struct ui_file *outfile;
 635   struct cleanup *cleanups;
 636   char *filename = DEV_TTY;
 637   char *symname = NULL;
 638   struct program_space *pspace;
 639   struct objfile *objfile;
 640
 641   struct stat sym_st, obj_st;
 642
 643   dont_repeat ();
 644
 645   if (args == NULL)
 646     {
 647       error (_("print-msymbols takes an output file "
 648                "name and optional symbol file name"));
 649     }
 650   argv = gdb_buildargv (args);
 651   cleanups = make_cleanup_freeargv (argv);
 652
 653   if (argv[0] != NULL)
 654     {
 655       filename = argv[0];
 656       /* If a second arg is supplied, it is a source file name to match on.  */
 657       if (argv[1] != NULL)
 658         {
 659           symname = xfullpath (argv[1]);
 660           make_cleanup (xfree, symname);
 661           if (symname && stat (symname, &sym_st))
 662             perror_with_name (symname);
 663         }
 664     }
 665
 666   filename = tilde_expand (filename);
 667   make_cleanup (xfree, filename);
 668
 669   outfile = gdb_fopen (filename, FOPEN_WT);
 670   if (outfile == 0)
 671     perror_with_name (filename);
 672   make_cleanup_ui_file_delete (outfile);
 673
 674   ALL_PSPACES (pspace)
 675     ALL_PSPACE_OBJFILES (pspace, objfile)
 676       {
 677         QUIT;
 678         if (symname == NULL || (!stat (objfile->name, &obj_st)
 679                                 && sym_st.st_ino == obj_st.st_ino))
 680           dump_msymbols (objfile, outfile);
 681       }
 682   fprintf_filtered (outfile, "\n\n");
 683   do_cleanups (cleanups);
 684 }
 685
 686 static void
 687 maintenance_print_objfiles (char *ignore, int from_tty)
 688 {
 689   struct program_space *pspace;
 690   struct objfile *objfile;
 691
 692   dont_repeat ();
 693
 694   ALL_PSPACES (pspace)
 695     ALL_PSPACE_OBJFILES (pspace, objfile)
 696       {
 697         QUIT;
 698         dump_objfile (objfile);
 699       }
 700 }
 701
 702 /* List all the symbol tables whose names match REGEXP (optional).  */
 703
 704 static void
 705 maintenance_info_symtabs (char *regexp, int from_tty)
 706 {
 707   struct program_space *pspace;
 708   struct objfile *objfile;
 709
 710   if (regexp)
 711     re_comp (regexp);
 712
 713   ALL_PSPACES (pspace)
 714     ALL_PSPACE_OBJFILES (pspace, objfile)
 715     {
 716       struct symtab *symtab;
 717
 718       /* We don't want to print anything for this objfile until we
 719          actually find a symtab whose name matches.  */
 720       int printed_objfile_start = 0;
 721
 722       ALL_OBJFILE_SYMTABS (objfile, symtab)
 723         {
 724           QUIT;
 725
 726           if (! regexp
 727               || re_exec (symtab->filename))
 728             {
 729               if (! printed_objfile_start)
 730                 {
 731                   printf_filtered ("{ objfile %s ", objfile->name);
 732                   wrap_here ("  ");
 733                   printf_filtered ("((struct objfile *) %s)\n",
 734                                    host_address_to_string (objfile));
 735                   printed_objfile_start = 1;
 736                 }
 737
 738               printf_filtered ("        { symtab %s ", symtab->filename);
 739               wrap_here ("    ");
 740               printf_filtered ("((struct symtab *) %s)\n",
 741                                host_address_to_string (symtab));
 742               printf_filtered ("          dirname %s\n",
 743                                symtab->dirname ? symtab->dirname : "(null)");
 744               printf_filtered ("          fullname %s\n",
 745                                symtab->fullname ? symtab->fullname : "(null)");
 746               printf_filtered ("          "
 747                                "blockvector ((struct blockvector *) %s)%s\n",
 748                                host_address_to_string (symtab->blockvector),
 749                                symtab->primary ? " (primary)" : "");
 750               printf_filtered ("          "
 751                                "linetable ((struct linetable *) %s)\n",
 752                                host_address_to_string (symtab->linetable));
 753               printf_filtered ("          debugformat %s\n",
 754                                symtab->debugformat);
 755               printf_filtered ("        }\n");
 756             }
 757         }
 758
 759       if (printed_objfile_start)
 760         printf_filtered ("}\n");
 761     }
 762 }
 763 \f
 764
 765 /* Return the nexting depth of a block within other blocks in its symtab.  */
 766
 767 static int
 768 block_depth (struct block *block)
 769 {
 770   int i = 0;
 771
 772   while ((block = BLOCK_SUPERBLOCK (block)) != NULL)
 773     {
 774       i++;
 775     }
 776   return i;
 777 }
 778 \f
 779
 780 /* Do early runtime initializations.  */
 781
 782 void
 783 _initialize_symmisc (void)
 784 {
 785   std_in = stdin;
 786   std_out = stdout;
 787   std_err = stderr;
 788
 789   add_cmd ("symbols", class_maintenance, maintenance_print_symbols, _("\
 790 Print dump of current symbol definitions.\n\
 791 Entries in the full symbol table are dumped to file OUTFILE.\n\
 792 If a SOURCE file is specified, dump only that file's symbols."),
 793            &maintenanceprintlist);
 794
 795   add_cmd ("msymbols", class_maintenance, maintenance_print_msymbols, _("\
 796 Print dump of current minimal symbol definitions.\n\
 797 Entries in the minimal symbol table are dumped to file OUTFILE.\n\
 798 If a SOURCE file is specified, dump only that file's minimal symbols."),
 799            &maintenanceprintlist);
 800
 801   add_cmd ("objfiles", class_maintenance, maintenance_print_objfiles,
 802            _("Print dump of current object file definitions."),
 803            &maintenanceprintlist);
 804
 805   add_cmd ("symtabs", class_maintenance, maintenance_info_symtabs, _("\
 806 List the full symbol tables for all object files.\n\
 807 This does not include information about individual symbols, blocks, or\n\
 808 linetables --- just the symbol table structures themselves.\n\
 809 With an argument REGEXP, list the symbol tables whose names that match that."),
 810            &maintenanceinfolist);
 811 }