binutils/coffdump.c

   1 /* Coff file dumper.
   2    Copyright 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2007,
   3    2011 Free Software Foundation, Inc.
   4
   5    This file is part of GNU Binutils.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or (at
  10    your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  20    MA 02110-1301, USA.  */
  21
  22
  23 /* Written by Steve Chamberlain <sac@cygnus.com>
  24
  25    This module reads a type tree generated by coffgrok and prints
  26    it out so we can test the grokker.  */
  27
  28 #include "sysdep.h"
  29 #include "bfd.h"
  30 #include "bfd_stdint.h"
  31 #include "libiberty.h"
  32 #include "bucomm.h"
  33
  34 #include "coffgrok.h"
  35 #include "getopt.h"
  36
  37 static int atnl;
  38
  39 static void tab (int);
  40 static void nl (void);
  41 static void dump_coff_lines (struct coff_line *);
  42 static void dump_coff_type (struct coff_type *);
  43 static void dump_coff_where (struct coff_where *);
  44 static void dump_coff_visible (struct coff_visible *);
  45 static void dump_coff_scope (struct coff_scope *);
  46 static void dump_coff_sfile (struct coff_sfile *);
  47 static void dump_coff_section (struct coff_section *);
  48 static void show_usage (FILE *, int);
  49 extern int main (int, char **);
  50
  51 static void
  52 tab (int x)
  53 {
  54   static int indent;
  55   int i;
  56
  57   if (atnl)
  58     {
  59       if (x < 0)
  60         {
  61           printf (")");
  62           indent += x;
  63
  64           return;
  65         }
  66       else
  67         {
  68           printf ("\n");
  69           atnl = 0;
  70         }
  71     }
  72
  73   if (x == -1)
  74     {
  75       for (i = 0; i < indent; i++)
  76         printf ("   ");
  77
  78       indent += x;
  79       printf (")");
  80       return;
  81     }
  82
  83   indent += x;
  84
  85   for (i = 0; i < indent; i++)
  86     printf ("   ");
  87
  88   if (x)
  89     {
  90       printf ("(");
  91     }
  92 }
  93
  94 static void
  95 nl (void)
  96 {
  97   atnl = 1;
  98 }
  99
 100 static void
 101 dump_coff_lines (struct coff_line *p)
 102 {
 103   int i;
 104   int online = 0;
 105
 106   tab (1);
 107   printf (_("#lines %d "),p->nlines);
 108
 109   for (i = 0; i < p->nlines; i++)
 110     {
 111       printf ("(%d 0x%x)", p->lines[i], p->addresses[i]);
 112
 113       online++;
 114
 115       if (online > 6)
 116         {
 117           nl ();
 118           tab (0);
 119           online = 0;
 120         }
 121     }
 122   nl ();
 123   tab (-1);
 124 }
 125
 126 static void
 127 dump_coff_type (struct coff_type *p)
 128 {
 129   tab (1);
 130   printf ("size %d ", p->size);
 131
 132   switch (p->type)
 133     {
 134     case coff_secdef_type:
 135       printf ("section definition at %x size %x\n",
 136               p->u.asecdef.address,
 137               p->u.asecdef.size);
 138       nl ();
 139       break;
 140     case coff_pointer_type:
 141       printf ("pointer to");
 142       nl ();
 143       dump_coff_type (p->u.pointer.points_to);
 144       break;
 145     case coff_array_type:
 146       printf ("array [%d] of", p->u.array.dim);
 147       nl ();
 148       dump_coff_type (p->u.array.array_of);
 149       break;
 150     case coff_function_type:
 151       printf ("function returning");
 152       nl ();
 153       dump_coff_type (p->u.function.function_returns);
 154       dump_coff_lines (p->u.function.lines);
 155       printf ("arguments");
 156       nl ();
 157       dump_coff_scope (p->u.function.parameters);
 158       tab (0);
 159       printf ("code");
 160       nl ();
 161       dump_coff_scope (p->u.function.code);
 162       tab(0);
 163       break;
 164     case coff_structdef_type:
 165       printf ("structure definition");
 166       nl ();
 167       dump_coff_scope (p->u.astructdef.elements);
 168       break;
 169     case coff_structref_type:
 170       if (!p->u.aenumref.ref)
 171         printf ("structure ref to UNKNOWN struct");
 172       else
 173         printf ("structure ref to %s", p->u.aenumref.ref->name);
 174       break;
 175     case coff_enumref_type:
 176       printf ("enum ref to %s", p->u.astructref.ref->name);
 177       break;
 178     case coff_enumdef_type:
 179       printf ("enum definition");
 180       nl ();
 181       dump_coff_scope (p->u.aenumdef.elements);
 182       break;
 183     case coff_basic_type:
 184       switch (p->u.basic)
 185         {
 186         case T_NULL:
 187           printf ("NULL");
 188           break;
 189         case T_VOID:
 190           printf ("VOID");
 191           break;
 192         case T_CHAR:
 193           printf ("CHAR");
 194           break;
 195         case T_SHORT:
 196           printf ("SHORT");
 197           break;
 198         case T_INT:
 199           printf ("INT ");
 200           break;
 201         case T_LONG:
 202           printf ("LONG");
 203           break;
 204         case T_FLOAT:
 205           printf ("FLOAT");
 206           break;
 207         case T_DOUBLE:
 208           printf ("DOUBLE");
 209           break;
 210         case T_STRUCT:
 211           printf ("STRUCT");
 212           break;
 213         case T_UNION:
 214           printf ("UNION");
 215           break;
 216         case T_ENUM:
 217           printf ("ENUM");
 218           break;
 219         case T_MOE:
 220           printf ("MOE ");
 221           break;
 222         case T_UCHAR:
 223           printf ("UCHAR");
 224           break;
 225         case T_USHORT:
 226           printf ("USHORT");
 227           break;
 228         case T_UINT:
 229           printf ("UINT");
 230           break;
 231         case T_ULONG:
 232           printf ("ULONG");
 233           break;
 234         case T_LNGDBL:
 235           printf ("LNGDBL");
 236           break;
 237         default:
 238           abort ();
 239         }
 240     }
 241   nl ();
 242   tab (-1);
 243 }
 244
 245 static void
 246 dump_coff_where (struct coff_where *p)
 247 {
 248   tab (1);
 249   switch (p->where)
 250     {
 251     case coff_where_stack:
 252       printf ("Stack offset %x", p->offset);
 253       break;
 254     case coff_where_memory:
 255       printf ("Memory section %s+%x", p->section->name, p->offset);
 256       break;
 257     case coff_where_register:
 258       printf ("Register %d", p->offset);
 259       break;
 260     case coff_where_member_of_struct:
 261       printf ("Struct Member offset %x", p->offset);
 262       break;
 263     case coff_where_member_of_enum:
 264       printf ("Enum Member offset %x", p->offset);
 265       break;
 266     case coff_where_unknown:
 267       printf ("Undefined symbol");
 268       break;
 269     case coff_where_strtag:
 270       printf ("STRTAG");
 271     case coff_where_entag:
 272       printf ("ENTAG");
 273       break;
 274     case coff_where_typedef:
 275       printf ("TYPEDEF");
 276       break;
 277     default:
 278       abort ();
 279     }
 280   nl ();
 281   tab (-1);
 282 }
 283
 284 static void
 285 dump_coff_visible (struct coff_visible *p)
 286 {
 287   tab (1);
 288   switch (p->type)
 289     {
 290     case coff_vis_ext_def:
 291       printf ("coff_vis_ext_def");
 292       break;
 293     case coff_vis_ext_ref:
 294       printf ("coff_vis_ext_ref");
 295       break;
 296     case coff_vis_int_def:
 297       printf ("coff_vis_int_def");
 298       break;
 299     case coff_vis_common:
 300       printf ("coff_vis_common");
 301       break;
 302     case coff_vis_auto:
 303       printf ("coff_vis_auto");
 304       break;
 305     case coff_vis_autoparam:
 306       printf ("coff_vis_autoparam");
 307       break;
 308     case coff_vis_regparam:
 309       printf ("coff_vis_regparam");
 310       break;
 311     case coff_vis_register:
 312       printf ("coff_vis_register");
 313       break;
 314     case coff_vis_tag:
 315       printf ("coff_vis_tag");
 316       break;
 317     case coff_vis_member_of_struct:
 318       printf ("coff_vis_member_of_struct");
 319       break;
 320     case coff_vis_member_of_enum:
 321       printf ("coff_vis_member_of_enum");
 322       break;
 323     default:
 324       abort ();
 325     }
 326   nl ();
 327   tab (-1);
 328 }
 329
 330 static void
 331 dump_coff_symbol (struct coff_symbol *p)
 332 {
 333   tab (1);
 334   printf ("List of symbols");
 335   nl ();
 336
 337   while (p)
 338     {
 339       tab (1);
 340       tab (1);
 341       printf ("Symbol  %s, tag %d, number %d", p->name, p->tag, p->number);
 342       nl ();
 343       tab (-1);
 344       tab (1);
 345       printf ("Type");
 346       nl ();
 347       dump_coff_type (p->type);
 348       tab (-1);
 349       tab (1);
 350       printf ("Where");
 351       dump_coff_where (p->where);
 352       tab (-1);
 353       tab (1);
 354       printf ("Visible");
 355       dump_coff_visible (p->visible);
 356       tab (-1);
 357       p = p->next;
 358       tab (-1);
 359     }
 360   tab (-1);
 361 }
 362
 363 static void
 364 dump_coff_scope (struct coff_scope *p)
 365 {
 366   if (p)
 367     {
 368       tab (1);
 369       printf ("List of blocks %" BFD_VMA_FMT "x ",(bfd_vma) (uintptr_t) p);
 370
 371       if (p->sec)
 372         printf( "  %s %x..%x",  p->sec->name,p->offset, p->offset + p->size -1);
 373
 374       nl ();
 375       tab (0);
 376       printf ("*****************");
 377       nl ();
 378
 379       while (p)
 380         {
 381           tab (0);
 382           printf ("vars %d", p->nvars);
 383           nl ();
 384           dump_coff_symbol (p->vars_head);
 385           printf ("blocks");
 386           nl ();
 387           dump_coff_scope (p->list_head);
 388           nl ();
 389           p = p->next;
 390         }
 391
 392       tab (0);
 393       printf ("*****************");
 394       nl ();
 395       tab (-1);
 396     }
 397 }
 398
 399 static void
 400 dump_coff_sfile (struct coff_sfile *p)
 401 {
 402   tab (1);
 403   printf ("List of source files");
 404   nl ();
 405
 406   while (p)
 407     {
 408       tab (0);
 409       printf ("Source file %s", p->name);
 410       nl ();
 411       dump_coff_scope (p->scope);
 412       p = p->next;
 413     }
 414   tab (-1);
 415 }
 416
 417 static void
 418 dump_coff_section (struct coff_section *ptr)
 419 {
 420   int i;
 421
 422   tab (1);
 423   printf ("section %s %d %d address %x size %x number %d nrelocs %d",
 424           ptr->name, ptr->code, ptr->data, ptr->address,ptr->size,
 425           ptr->number, ptr->nrelocs);
 426   nl ();
 427
 428   for (i = 0; i < ptr->nrelocs; i++)
 429     {
 430       tab (0);
 431       printf ("(%x %s %x)",
 432               ptr->relocs[i].offset,
 433               ptr->relocs[i].symbol->name,
 434               ptr->relocs[i].addend);
 435       nl ();
 436     }
 437
 438   tab (-1);
 439 }
 440
 441 static void
 442 coff_dump (struct coff_ofile *ptr)
 443 {
 444   int i;
 445
 446   printf ("Coff dump");
 447   nl ();
 448   printf ("#sources %d", ptr->nsources);
 449   nl ();
 450   dump_coff_sfile (ptr->source_head);
 451
 452   for (i = 0; i < ptr->nsections; i++)
 453     dump_coff_section (ptr->sections + i);
 454 }
 455
 456 char * program_name;
 457
 458 static void
 459 show_usage (FILE *file, int status)
 460 {
 461   fprintf (file, _("Usage: %s [option(s)] in-file\n"), program_name);
 462   fprintf (file, _(" Print a human readable interpretation of a COFF object file\n"));
 463   fprintf (file, _(" The options are:\n\
 464   @<file>                Read options from <file>\n\
 465   -h --help              Display this information\n\
 466   -v --version           Display the program's version\n\
 467 \n"));
 468
 469   if (REPORT_BUGS_TO[0] && status == 0)
 470     fprintf (file, _("Report bugs to %s\n"), REPORT_BUGS_TO);
 471
 472   exit (status);
 473 }
 474
 475 int
 476 main (int ac, char **av)
 477 {
 478   bfd *abfd;
 479   struct coff_ofile *tree;
 480   char **matching;
 481   char *input_file = NULL;
 482   int opt;
 483   static struct option long_options[] =
 484     {
 485       { "help", no_argument, 0, 'h' },
 486       { "version", no_argument, 0, 'V' },
 487       { NULL, no_argument, 0, 0 }
 488     };
 489
 490 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
 491   setlocale (LC_MESSAGES, "");
 492 #endif
 493 #if defined (HAVE_SETLOCALE)
 494   setlocale (LC_CTYPE, "");
 495 #endif
 496   bindtextdomain (PACKAGE, LOCALEDIR);
 497   textdomain (PACKAGE);
 498
 499   program_name = av[0];
 500   xmalloc_set_program_name (program_name);
 501
 502   expandargv (&ac, &av);
 503
 504   while ((opt = getopt_long (ac, av, "HhVv", long_options,
 505                              (int *) NULL))
 506          != EOF)
 507     {
 508       switch (opt)
 509         {
 510         case 'H':
 511         case 'h':
 512           show_usage (stdout, 0);
 513           break;
 514         case 'v':
 515         case 'V':
 516           print_version ("coffdump");
 517           exit (0);
 518         case 0:
 519           break;
 520         default:
 521           show_usage (stderr, 1);
 522           break;
 523         }
 524     }
 525
 526   if (optind < ac)
 527     {
 528       input_file = av[optind];
 529     }
 530
 531   if (!input_file)
 532     fatal (_("no input file specified"));
 533
 534   abfd = bfd_openr (input_file, 0);
 535
 536   if (!abfd)
 537     bfd_fatal (input_file);
 538
 539   if (! bfd_check_format_matches (abfd, bfd_object, &matching))
 540     {
 541       bfd_nonfatal (input_file);
 542
 543       if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
 544         {
 545           list_matching_formats (matching);
 546           free (matching);
 547         }
 548       exit (1);
 549     }
 550
 551   tree = coff_grok (abfd);
 552
 553   coff_dump (tree);
 554   printf ("\n");
 555
 556   return 0;
 557 }