binutils/size.c

   1 /* size.c -- report size of various sections of an executable file.
   2    Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
   3    2001, 2002, 2003, 2004, 2005 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 2 of the License, or
  10    (at 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, MA 02110-1301, USA.  */
  20 \f
  21 /* Extensions/incompatibilities:
  22    o - BSD output has filenames at the end.
  23    o - BSD output can appear in different radicies.
  24    o - SysV output has less redundant whitespace.  Filename comes at end.
  25    o - SysV output doesn't show VMA which is always the same as the PMA.
  26    o - We also handle core files.
  27    o - We also handle archives.
  28    If you write shell scripts which manipulate this info then you may be
  29    out of luck; there's no --compatibility or --pedantic option.  */
  30
  31 #include "bfd.h"
  32 #include "bucomm.h"
  33 #include "libiberty.h"
  34 #include "getopt.h"
  35
  36 #ifndef BSD_DEFAULT
  37 #define BSD_DEFAULT 1
  38 #endif
  39
  40 /* Program options.  */
  41
  42 enum
  43   {
  44     decimal, octal, hex
  45   }
  46 radix = decimal;
  47
  48 /* 0 means use AT&T-style output.  */
  49 static int berkeley_format = BSD_DEFAULT;
  50
  51 int show_version = 0;
  52 int show_help = 0;
  53 int show_totals = 0;
  54
  55 static bfd_size_type total_bsssize;
  56 static bfd_size_type total_datasize;
  57 static bfd_size_type total_textsize;
  58
  59 /* Program exit status.  */
  60 int return_code = 0;
  61
  62 static char *target = NULL;
  63
  64 /* Static declarations.  */
  65
  66 static void usage (FILE *, int);
  67 static void display_file (char *);
  68 static void display_bfd (bfd *);
  69 static void display_archive (bfd *);
  70 static int size_number (bfd_size_type);
  71 static void rprint_number (int, bfd_size_type);
  72 static void print_berkeley_format (bfd *);
  73 static void sysv_internal_sizer (bfd *, asection *, void *);
  74 static void sysv_internal_printer (bfd *, asection *, void *);
  75 static void print_sysv_format (bfd *);
  76 static void print_sizes (bfd * file);
  77 static void berkeley_sum (bfd *, sec_ptr, void *);
  78 \f
  79 static void
  80 usage (FILE *stream, int status)
  81 {
  82   fprintf (stream, _("Usage: %s [option(s)] [file(s)]\n"), program_name);
  83   fprintf (stream, _(" Displays the sizes of sections inside binary files\n"));
  84   fprintf (stream, _(" If no input file(s) are specified, a.out is assumed\n"));
  85   fprintf (stream, _(" The options are:\n\
  86   -A|-B     --format={sysv|berkeley}  Select output style (default is %s)\n\
  87   -o|-d|-x  --radix={8|10|16}         Display numbers in octal, decimal or hex\n\
  88   -t        --totals                  Display the total sizes (Berkeley only)\n\
  89             --target=<bfdname>        Set the binary file format\n\
  90   -h        --help                    Display this information\n\
  91   -v        --version                 Display the program's version\n\
  92 \n"),
  93 #if BSD_DEFAULT
  94   "berkeley"
  95 #else
  96   "sysv"
  97 #endif
  98 );
  99   list_supported_targets (program_name, stream);
 100   if (status == 0)
 101     fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
 102   exit (status);
 103 }
 104
 105 static struct option long_options[] =
 106 {
 107   {"format", required_argument, 0, 200},
 108   {"radix", required_argument, 0, 201},
 109   {"target", required_argument, 0, 202},
 110   {"totals", no_argument, &show_totals, 1},
 111   {"version", no_argument, &show_version, 1},
 112   {"help", no_argument, &show_help, 1},
 113   {0, no_argument, 0, 0}
 114 };
 115
 116 int main (int, char **);
 117
 118 int
 119 main (int argc, char **argv)
 120 {
 121   int temp;
 122   int c;
 123
 124 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
 125   setlocale (LC_MESSAGES, "");
 126 #endif
 127 #if defined (HAVE_SETLOCALE)
 128   setlocale (LC_CTYPE, "");
 129 #endif
 130   bindtextdomain (PACKAGE, LOCALEDIR);
 131   textdomain (PACKAGE);
 132
 133   program_name = *argv;
 134   xmalloc_set_program_name (program_name);
 135
 136   bfd_init ();
 137   set_default_bfd_target ();
 138
 139   while ((c = getopt_long (argc, argv, "ABHhVvdfotx", long_options,
 140                            (int *) 0)) != EOF)
 141     switch (c)
 142       {
 143       case 200:         /* --format */
 144         switch (*optarg)
 145           {
 146           case 'B':
 147           case 'b':
 148             berkeley_format = 1;
 149             break;
 150           case 'S':
 151           case 's':
 152             berkeley_format = 0;
 153             break;
 154           default:
 155             non_fatal (_("invalid argument to --format: %s"), optarg);
 156             usage (stderr, 1);
 157           }
 158         break;
 159
 160       case 202:         /* --target */
 161         target = optarg;
 162         break;
 163
 164       case 201:         /* --radix */
 165 #ifdef ANSI_LIBRARIES
 166         temp = strtol (optarg, NULL, 10);
 167 #else
 168         temp = atol (optarg);
 169 #endif
 170         switch (temp)
 171           {
 172           case 10:
 173             radix = decimal;
 174             break;
 175           case 8:
 176             radix = octal;
 177             break;
 178           case 16:
 179             radix = hex;
 180             break;
 181           default:
 182             non_fatal (_("Invalid radix: %s\n"), optarg);
 183             usage (stderr, 1);
 184           }
 185         break;
 186
 187       case 'A':
 188         berkeley_format = 0;
 189         break;
 190       case 'B':
 191         berkeley_format = 1;
 192         break;
 193       case 'v':
 194       case 'V':
 195         show_version = 1;
 196         break;
 197       case 'd':
 198         radix = decimal;
 199         break;
 200       case 'x':
 201         radix = hex;
 202         break;
 203       case 'o':
 204         radix = octal;
 205         break;
 206       case 't':
 207         show_totals = 1;
 208         break;
 209       case 'f': /* FIXME : For sysv68, `-f' means `full format', i.e.
 210                    `[fname:] M(.text) + N(.data) + O(.bss) + P(.comment) = Q'
 211                    where `fname: ' appears only if there are >= 2 input files,
 212                    and M, N, O, P, Q are expressed in decimal by default,
 213                    hexa or octal if requested by `-x' or `-o'.
 214                    Just to make things interesting, Solaris also accepts -f,
 215                    which prints out the size of each allocatable section, the
 216                    name of the section, and the total of the section sizes.  */
 217                 /* For the moment, accept `-f' silently, and ignore it.  */
 218         break;
 219       case 0:
 220         break;
 221       case 'h':
 222       case 'H':
 223       case '?':
 224         usage (stderr, 1);
 225       }
 226
 227   if (show_version)
 228     print_version ("size");
 229   if (show_help)
 230     usage (stdout, 0);
 231
 232   if (optind == argc)
 233     display_file ("a.out");
 234   else
 235     for (; optind < argc;)
 236       display_file (argv[optind++]);
 237
 238   if (show_totals && berkeley_format)
 239     {
 240       bfd_size_type total = total_textsize + total_datasize + total_bsssize;
 241
 242       rprint_number (7, total_textsize);
 243       putchar('\t');
 244       rprint_number (7, total_datasize);
 245       putchar('\t');
 246       rprint_number (7, total_bsssize);
 247       printf (((radix == octal) ? "\t%7lo\t%7lx\t" : "\t%7lu\t%7lx\t"),
 248               (unsigned long) total, (unsigned long) total);
 249       fputs ("(TOTALS)\n", stdout);
 250     }
 251
 252   return return_code;
 253 }
 254 \f
 255 /* Display stats on file or archive member ABFD.  */
 256
 257 static void
 258 display_bfd (bfd *abfd)
 259 {
 260   char **matching;
 261
 262   if (bfd_check_format (abfd, bfd_archive))
 263     /* An archive within an archive.  */
 264     return;
 265
 266   if (bfd_check_format_matches (abfd, bfd_object, &matching))
 267     {
 268       print_sizes (abfd);
 269       printf ("\n");
 270       return;
 271     }
 272
 273   if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
 274     {
 275       bfd_nonfatal (bfd_get_filename (abfd));
 276       list_matching_formats (matching);
 277       free (matching);
 278       return_code = 3;
 279       return;
 280     }
 281
 282   if (bfd_check_format_matches (abfd, bfd_core, &matching))
 283     {
 284       const char *core_cmd;
 285
 286       print_sizes (abfd);
 287       fputs (" (core file", stdout);
 288
 289       core_cmd = bfd_core_file_failing_command (abfd);
 290       if (core_cmd)
 291         printf (" invoked as %s", core_cmd);
 292
 293       puts (")\n");
 294       return;
 295     }
 296
 297   bfd_nonfatal (bfd_get_filename (abfd));
 298
 299   if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
 300     {
 301       list_matching_formats (matching);
 302       free (matching);
 303     }
 304
 305   return_code = 3;
 306 }
 307
 308 static void
 309 display_archive (bfd *file)
 310 {
 311   bfd *arfile = (bfd *) NULL;
 312   bfd *last_arfile = (bfd *) NULL;
 313
 314   for (;;)
 315     {
 316       bfd_set_error (bfd_error_no_error);
 317
 318       arfile = bfd_openr_next_archived_file (file, arfile);
 319       if (arfile == NULL)
 320         {
 321           if (bfd_get_error () != bfd_error_no_more_archived_files)
 322             {
 323               bfd_nonfatal (bfd_get_filename (file));
 324               return_code = 2;
 325             }
 326           break;
 327         }
 328
 329       display_bfd (arfile);
 330
 331       if (last_arfile != NULL)
 332         bfd_close (last_arfile);
 333       last_arfile = arfile;
 334     }
 335
 336   if (last_arfile != NULL)
 337     bfd_close (last_arfile);
 338 }
 339
 340 static void
 341 display_file (char *filename)
 342 {
 343   bfd *file;
 344
 345   if (get_file_size (filename) < 1)
 346     return;
 347
 348   file = bfd_openr (filename, target);
 349   if (file == NULL)
 350     {
 351       bfd_nonfatal (filename);
 352       return_code = 1;
 353       return;
 354     }
 355
 356   if (bfd_check_format (file, bfd_archive))
 357     display_archive (file);
 358   else
 359     display_bfd (file);
 360
 361   if (!bfd_close (file))
 362     {
 363       bfd_nonfatal (filename);
 364       return_code = 1;
 365       return;
 366     }
 367 }
 368 \f
 369 /* This is what lexical functions are for.  */
 370
 371 static int
 372 size_number (bfd_size_type num)
 373 {
 374   char buffer[40];
 375
 376   sprintf (buffer,
 377            (radix == decimal ? "%lu" :
 378            ((radix == octal) ? "0%lo" : "0x%lx")),
 379            (unsigned long) num);
 380
 381   return strlen (buffer);
 382 }
 383
 384 static void
 385 rprint_number (int width, bfd_size_type num)
 386 {
 387   char buffer[40];
 388
 389   sprintf (buffer,
 390            (radix == decimal ? "%lu" :
 391            ((radix == octal) ? "0%lo" : "0x%lx")),
 392            (unsigned long) num);
 393
 394   printf ("%*s", width, buffer);
 395 }
 396
 397 static bfd_size_type bsssize;
 398 static bfd_size_type datasize;
 399 static bfd_size_type textsize;
 400
 401 static void
 402 berkeley_sum (bfd *abfd ATTRIBUTE_UNUSED, sec_ptr sec,
 403               void *ignore ATTRIBUTE_UNUSED)
 404 {
 405   flagword flags;
 406   bfd_size_type size;
 407
 408   flags = bfd_get_section_flags (abfd, sec);
 409   if ((flags & SEC_ALLOC) == 0)
 410     return;
 411
 412   size = bfd_get_section_size (sec);
 413   if ((flags & SEC_CODE) != 0 || (flags & SEC_READONLY) != 0)
 414     textsize += size;
 415   else if ((flags & SEC_HAS_CONTENTS) != 0)
 416     datasize += size;
 417   else
 418     bsssize += size;
 419 }
 420
 421 static void
 422 print_berkeley_format (bfd *abfd)
 423 {
 424   static int files_seen = 0;
 425   bfd_size_type total;
 426
 427   bsssize = 0;
 428   datasize = 0;
 429   textsize = 0;
 430
 431   bfd_map_over_sections (abfd, berkeley_sum, NULL);
 432
 433   if (files_seen++ == 0)
 434     puts ((radix == octal) ? "   text\t   data\t    bss\t    oct\t    hex\tfilename" :
 435           "   text\t   data\t    bss\t    dec\t    hex\tfilename");
 436
 437   total = textsize + datasize + bsssize;
 438
 439   if (show_totals)
 440     {
 441       total_textsize += textsize;
 442       total_datasize += datasize;
 443       total_bsssize  += bsssize;
 444     }
 445
 446   rprint_number (7, textsize);
 447   putchar ('\t');
 448   rprint_number (7, datasize);
 449   putchar ('\t');
 450   rprint_number (7, bsssize);
 451   printf (((radix == octal) ? "\t%7lo\t%7lx\t" : "\t%7lu\t%7lx\t"),
 452           (unsigned long) total, (unsigned long) total);
 453
 454   fputs (bfd_get_filename (abfd), stdout);
 455
 456   if (bfd_my_archive (abfd))
 457     printf (" (ex %s)", bfd_get_filename (bfd_my_archive (abfd)));
 458 }
 459
 460 /* I REALLY miss lexical functions! */
 461 bfd_size_type svi_total = 0;
 462 bfd_vma svi_maxvma = 0;
 463 int svi_namelen = 0;
 464 int svi_vmalen = 0;
 465 int svi_sizelen = 0;
 466
 467 static void
 468 sysv_internal_sizer (bfd *file ATTRIBUTE_UNUSED, sec_ptr sec,
 469                      void *ignore ATTRIBUTE_UNUSED)
 470 {
 471   bfd_size_type size = bfd_section_size (file, sec);
 472
 473   if (   ! bfd_is_abs_section (sec)
 474       && ! bfd_is_com_section (sec)
 475       && ! bfd_is_und_section (sec))
 476     {
 477       int namelen = strlen (bfd_section_name (file, sec));
 478
 479       if (namelen > svi_namelen)
 480         svi_namelen = namelen;
 481
 482       svi_total += size;
 483
 484       if (bfd_section_vma (file, sec) > svi_maxvma)
 485         svi_maxvma = bfd_section_vma (file, sec);
 486     }
 487 }
 488
 489 static void
 490 sysv_internal_printer (bfd *file ATTRIBUTE_UNUSED, sec_ptr sec,
 491                        void *ignore ATTRIBUTE_UNUSED)
 492 {
 493   bfd_size_type size = bfd_section_size (file, sec);
 494
 495   if (   ! bfd_is_abs_section (sec)
 496       && ! bfd_is_com_section (sec)
 497       && ! bfd_is_und_section (sec))
 498     {
 499       svi_total += size;
 500
 501       printf ("%-*s   ", svi_namelen, bfd_section_name (file, sec));
 502       rprint_number (svi_sizelen, size);
 503       printf ("   ");
 504       rprint_number (svi_vmalen, bfd_section_vma (file, sec));
 505       printf ("\n");
 506     }
 507 }
 508
 509 static void
 510 print_sysv_format (bfd *file)
 511 {
 512   /* Size all of the columns.  */
 513   svi_total = 0;
 514   svi_maxvma = 0;
 515   svi_namelen = 0;
 516   bfd_map_over_sections (file, sysv_internal_sizer, NULL);
 517   svi_vmalen = size_number ((bfd_size_type)svi_maxvma);
 518
 519   if ((size_t) svi_vmalen < sizeof ("addr") - 1)
 520     svi_vmalen = sizeof ("addr")-1;
 521
 522   svi_sizelen = size_number (svi_total);
 523   if ((size_t) svi_sizelen < sizeof ("size") - 1)
 524     svi_sizelen = sizeof ("size")-1;
 525
 526   svi_total = 0;
 527   printf ("%s  ", bfd_get_filename (file));
 528
 529   if (bfd_my_archive (file))
 530     printf (" (ex %s)", bfd_get_filename (bfd_my_archive (file)));
 531
 532   printf (":\n%-*s   %*s   %*s\n", svi_namelen, "section",
 533           svi_sizelen, "size", svi_vmalen, "addr");
 534
 535   bfd_map_over_sections (file, sysv_internal_printer, NULL);
 536
 537   printf ("%-*s   ", svi_namelen, "Total");
 538   rprint_number (svi_sizelen, svi_total);
 539   printf ("\n\n");
 540 }
 541
 542 static void
 543 print_sizes (bfd *file)
 544 {
 545   if (berkeley_format)
 546     print_berkeley_format (file);
 547   else
 548     print_sysv_format (file);
 549 }