binutils/coffdump.c

   1 /* Coff file dumper.
   2    Copyright (C) 1994-2022 Free Software Foundation, Inc.
   3
   4    This file is part of GNU Binutils.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or (at
   9    your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  19    MA 02110-1301, USA.  */
  20
  21
  22 /* Written by Steve Chamberlain <sac@cygnus.com>
  23
  24    This module reads a type tree generated by coffgrok and prints
  25    it out so we can test the grokker.  */
  26
  27 #include "sysdep.h"
  28 #include "bfd.h"
  29 #include <stdint.h>
  30 #include "libiberty.h"
  31 #include "bucomm.h"
  32
  33 #include "coffgrok.h"
  34 #include "getopt.h"
  35
  36 static int atnl;
  37
  38 static void tab (int);
  39 static void nl (void);
  40 static void dump_coff_lines (struct coff_line *);
  41 static void dump_coff_type (struct coff_type *);
  42 static void dump_coff_where (struct coff_where *);
  43 static void dump_coff_visible (struct coff_visible *);
  44 static void dump_coff_scope (struct coff_scope *);
  45 static void dump_coff_sfile (struct coff_sfile *);
  46 static void dump_coff_section (struct coff_section *);
  47 static void show_usage (FILE *, int);
  48 extern int main (int, char **);
  49
  50 static void
  51 tab (int x)
  52 {
  53   static int indent;
  54   int i;
  55
  56   if (atnl)
  57     {
  58       if (x < 0)
  59         {
  60           printf (")");
  61           indent += x;
  62
  63           return;
  64         }
  65       else
  66         {
  67           printf ("\n");
  68           atnl = 0;
  69         }
  70     }
  71
  72   if (x == -1)
  73     {
  74       for (i = 0; i < indent; i++)
  75         printf ("   ");
  76
  77       indent += x;
  78       printf (")");
  79       return;
  80     }
  81
  82   indent += x;
  83
  84   for (i = 0; i < indent; i++)
  85     printf ("   ");
  86
  87   if (x)
  88     {
  89       printf ("(");
  90     }
  91 }
  92
  93 static void
  94 nl (void)
  95 {
  96   atnl = 1;
  97 }
  98
  99 static void
 100 dump_coff_lines (struct coff_line *p)
 101 {
 102   int i;
 103   int online = 0;
 104
 105   tab (1);
 106   printf (_("#lines %d "),p->nlines);
 107
 108   for (i = 0; i < p->nlines; i++)
 109     {
 110       printf ("(%d 0x%x)", p->lines[i], p->addresses[i]);
 111
 112       online++;
 113
 114       if (online > 6)
 115         {
 116           nl ();
 117           tab (0);
 118           online = 0;
 119         }
 120     }
 121   nl ();
 122   tab (-1);
 123 }
 124
 125 static void
 126 dump_coff_type (struct coff_type *p)
 127 {
 128   tab (1);
 129   printf (_("size %d "), p->size);
 130
 131   switch (p->type)
 132     {
 133     case coff_secdef_type:
 134       printf (_("section definition at %x size %x\n"),
 135               p->u.asecdef.address,
 136               p->u.asecdef.size);
 137       nl ();
 138       break;
 139     case coff_pointer_type:
 140       printf (_("pointer to"));
 141       nl ();
 142       dump_coff_type (p->u.pointer.points_to);
 143       break;
 144     case coff_array_type:
 145       printf (_("array [%d] of"), p->u.array.dim);
 146       nl ();
 147       dump_coff_type (p->u.array.array_of);
 148       break;
 149     case coff_function_type:
 150       printf (_("function returning"));
 151       nl ();
 152       dump_coff_type (p->u.function.function_returns);
 153       dump_coff_lines (p->u.function.lines);
 154       printf (_("arguments"));
 155       nl ();
 156       dump_coff_scope (p->u.function.parameters);
 157       tab (0);
 158       printf (_("code"));
 159       nl ();
 160       dump_coff_scope (p->u.function.code);
 161       tab(0);
 162       break;
 163     case coff_structdef_type:
 164       printf (_("structure definition"));
 165       nl ();
 166       dump_coff_scope (p->u.astructdef.elements);
 167       break;
 168     case coff_structref_type:
 169       if (!p->u.aenumref.ref)
 170         printf (_("structure ref to UNKNOWN struct"));
 171       else
 172         printf (_("structure ref to %s"), p->u.aenumref.ref->name);
 173       break;
 174     case coff_enumref_type:
 175       printf (_("enum ref to %s"), p->u.astructref.ref->name);
 176       break;
 177     case coff_enumdef_type:
 178       printf (_("enum definition"));
 179       nl ();
 180       dump_coff_scope (p->u.aenumdef.elements);
 181       break;
 182     case coff_basic_type:
 183       switch (p->u.basic)
 184         {
 185         case T_NULL:
 186           printf ("NULL");
 187           break;
 188         case T_VOID:
 189           printf ("VOID");
 190           break;
 191         case T_CHAR:
 192           printf ("CHAR");
 193           break;
 194         case T_SHORT:
 195           printf ("SHORT");
 196           break;
 197         case T_INT:
 198           printf ("INT ");
 199           break;
 200         case T_LONG:
 201           printf ("LONG");
 202           break;
 203         case T_FLOAT:
 204           printf ("FLOAT");
 205           break;
 206         case T_DOUBLE:
 207           printf ("DOUBLE");
 208           break;
 209         case T_STRUCT:
 210           printf ("STRUCT");
 211           break;
 212         case T_UNION:
 213           printf ("UNION");
 214           break;
 215         case T_ENUM:
 216           printf ("ENUM");
 217           break;
 218         case T_MOE:
 219           printf ("MOE ");
 220           break;
 221         case T_UCHAR:
 222           printf ("UCHAR");
 223           break;
 224         case T_USHORT:
 225           printf ("USHORT");
 226           break;
 227         case T_UINT:
 228           printf ("UINT");
 229           break;
 230         case T_ULONG:
 231           printf ("ULONG");
 232           break;
 233         case T_LNGDBL:
 234           printf ("LNGDBL");
 235           break;
 236         default:
 237           abort ();
 238         }
 239     }
 240   nl ();
 241   tab (-1);
 242 }
 243
 244 static void
 245 dump_coff_where (struct coff_where *p)
 246 {
 247   tab (1);
 248   switch (p->where)
 249     {
 250     case coff_where_stack:
 251       printf (_("Stack offset %x"), p->offset);
 252       break;
 253     case coff_where_memory:
 254       printf (_("Memory section %s+%x"), p->section->name, p->offset);
 255       break;
 256     case coff_where_register:
 257       printf (_("Register %d"), p->offset);
 258       break;
 259     case coff_where_member_of_struct:
 260       printf (_("Struct Member offset %x"), p->offset);
 261       break;
 262     case coff_where_member_of_enum:
 263       printf (_("Enum Member offset %x"), p->offset);
 264       break;
 265     case coff_where_unknown:
 266       printf (_("Undefined symbol"));
 267       break;
 268     case coff_where_strtag:
 269       printf ("STRTAG");
 270       break;
 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 ("%s %p ", _("List of blocks "), 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   unsigned int i;
 421
 422   tab (1);
 423   printf (_("section %s %d %d address %x size %x number %d nrelocs %u"),
 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       struct coff_reloc * r = ptr->relocs + i;
 431       tab (0);
 432       printf ("(%x %s %x)",
 433               r->offset,
 434               /* PR 17512: file: 0a38fb7c.  */
 435               r->symbol == NULL ? _("<no sym>") : r->symbol->name,
 436               r->addend);
 437       nl ();
 438     }
 439
 440   tab (-1);
 441 }
 442
 443 static void
 444 coff_dump (struct coff_ofile *ptr)
 445 {
 446   int i;
 447
 448   printf ("Coff dump");
 449   nl ();
 450   printf (_("#sources %d"), ptr->nsources);
 451   nl ();
 452   dump_coff_sfile (ptr->source_head);
 453
 454   for (i = 0; i < ptr->nsections; i++)
 455     dump_coff_section (ptr->sections + i);
 456 }
 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 #ifdef HAVE_LC_MESSAGES
 491   setlocale (LC_MESSAGES, "");
 492 #endif
 493   setlocale (LC_CTYPE, "");
 494   bindtextdomain (PACKAGE, LOCALEDIR);
 495   textdomain (PACKAGE);
 496
 497   program_name = av[0];
 498   xmalloc_set_program_name (program_name);
 499   bfd_set_error_program_name (program_name);
 500
 501   expandargv (&ac, &av);
 502
 503   while ((opt = getopt_long (ac, av, "HhVv", long_options,
 504                              (int *) NULL))
 505          != EOF)
 506     {
 507       switch (opt)
 508         {
 509         case 'H':
 510         case 'h':
 511           show_usage (stdout, 0);
 512           break;
 513         case 'v':
 514         case 'V':
 515           print_version ("coffdump");
 516           exit (0);
 517         case 0:
 518           break;
 519         default:
 520           show_usage (stderr, 1);
 521           break;
 522         }
 523     }
 524
 525   if (optind < ac)
 526     {
 527       input_file = av[optind];
 528     }
 529
 530   if (!input_file)
 531     fatal (_("no input file specified"));
 532
 533   abfd = bfd_openr (input_file, 0);
 534
 535   if (!abfd)
 536     bfd_fatal (input_file);
 537
 538   if (! bfd_check_format_matches (abfd, bfd_object, &matching))
 539     {
 540       bfd_nonfatal (input_file);
 541
 542       if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
 543         list_matching_formats (matching);
 544       exit (1);
 545     }
 546
 547   tree = coff_grok (abfd);
 548   if (tree)
 549     {
 550       coff_dump (tree);
 551       printf ("\n");
 552     }
 553
 554   return 0;
 555 }