bfd/aout-target.h

   1 /* Define a target vector and some small routines for a variant of a.out.
   2    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
   3    2000, 2001, 2002, 2003, 2004, 2005, 2007, 2009, 2010, 2011
   4    Free Software Foundation, Inc.
   5
   6    This file is part of BFD, the Binary File Descriptor library.
   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, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  21    MA 02110-1301, USA.  */
  22
  23 #include "aout/aout64.h"
  24 #include "aout/stab_gnu.h"
  25 #include "aout/ar.h"
  26 /*#include "libaout.h"*/
  27
  28 #ifndef SEGMENT_SIZE
  29 #define SEGMENT_SIZE TARGET_PAGE_SIZE
  30 #endif
  31
  32 extern reloc_howto_type * NAME (aout, reloc_type_lookup) (bfd *, bfd_reloc_code_real_type);
  33 extern reloc_howto_type * NAME (aout, reloc_name_lookup) (bfd *, const char *);
  34
  35 /* Set parameters about this a.out file that are machine-dependent.
  36    This routine is called from some_aout_object_p just before it returns.  */
  37 #ifndef MY_callback
  38
  39 static const bfd_target *
  40 MY (callback) (bfd *abfd)
  41 {
  42   struct internal_exec *execp = exec_hdr (abfd);
  43   unsigned int arch_align_power;
  44   unsigned long arch_align;
  45
  46   /* Calculate the file positions of the parts of a newly read aout header.  */
  47   obj_textsec (abfd)->size = N_TXTSIZE (*execp);
  48
  49   /* The virtual memory addresses of the sections.  */
  50   obj_textsec (abfd)->vma = N_TXTADDR (*execp);
  51   obj_datasec (abfd)->vma = N_DATADDR (*execp);
  52   obj_bsssec  (abfd)->vma = N_BSSADDR (*execp);
  53
  54   /* For some targets, if the entry point is not in the same page
  55      as the start of the text, then adjust the VMA so that it is.
  56      FIXME: Do this with a macro like SET_ARCH_MACH instead?  */
  57   if (aout_backend_info (abfd)->entry_is_text_address
  58       && execp->a_entry > obj_textsec (abfd)->vma)
  59     {
  60       bfd_vma adjust;
  61
  62       adjust = execp->a_entry - obj_textsec (abfd)->vma;
  63       /* Adjust only by whole pages.  */
  64       adjust &= ~(TARGET_PAGE_SIZE - 1);
  65       obj_textsec (abfd)->vma += adjust;
  66       obj_datasec (abfd)->vma += adjust;
  67       obj_bsssec (abfd)->vma += adjust;
  68     }
  69
  70   /* Set the load addresses to be the same as the virtual addresses.  */
  71   obj_textsec (abfd)->lma = obj_textsec (abfd)->vma;
  72   obj_datasec (abfd)->lma = obj_datasec (abfd)->vma;
  73   obj_bsssec (abfd)->lma = obj_bsssec (abfd)->vma;
  74
  75   /* The file offsets of the sections.  */
  76   obj_textsec (abfd)->filepos = N_TXTOFF (*execp);
  77   obj_datasec (abfd)->filepos = N_DATOFF (*execp);
  78
  79   /* The file offsets of the relocation info.  */
  80   obj_textsec (abfd)->rel_filepos = N_TRELOFF (*execp);
  81   obj_datasec (abfd)->rel_filepos = N_DRELOFF (*execp);
  82
  83   /* The file offsets of the string table and symbol table.  */
  84   obj_sym_filepos (abfd) = N_SYMOFF (*execp);
  85   obj_str_filepos (abfd) = N_STROFF (*execp);
  86
  87   /* Determine the architecture and machine type of the object file.  */
  88 #ifdef SET_ARCH_MACH
  89   SET_ARCH_MACH (abfd, *execp);
  90 #else
  91   bfd_default_set_arch_mach (abfd, DEFAULT_ARCH, 0);
  92 #endif
  93
  94   /* The number of relocation records.  This must be called after
  95      SET_ARCH_MACH.  It assumes that SET_ARCH_MACH will set
  96      obj_reloc_entry_size correctly, if the reloc size is not
  97      RELOC_STD_SIZE.  */
  98   obj_textsec (abfd)->reloc_count =
  99     execp->a_trsize / obj_reloc_entry_size (abfd);
 100   obj_datasec (abfd)->reloc_count =
 101     execp->a_drsize / obj_reloc_entry_size (abfd);
 102
 103   /* Now that we know the architecture, set the alignments of the
 104      sections.  This is normally done by NAME (aout,new_section_hook),
 105      but when the initial sections were created the architecture had
 106      not yet been set.  However, for backward compatibility, we don't
 107      set the alignment power any higher than as required by the size
 108      of the section.  */
 109   arch_align_power = bfd_get_arch_info (abfd)->section_align_power;
 110   arch_align = 1 << arch_align_power;
 111   if ((BFD_ALIGN (obj_textsec (abfd)->size, arch_align)
 112        == obj_textsec (abfd)->size)
 113       && (BFD_ALIGN (obj_datasec (abfd)->size, arch_align)
 114           == obj_datasec (abfd)->size)
 115       && (BFD_ALIGN (obj_bsssec (abfd)->size, arch_align)
 116           == obj_bsssec (abfd)->size))
 117     {
 118       obj_textsec (abfd)->alignment_power = arch_align_power;
 119       obj_datasec (abfd)->alignment_power = arch_align_power;
 120       obj_bsssec (abfd)->alignment_power = arch_align_power;
 121     }
 122
 123   /* Don't set sizes now -- can't be sure until we know arch & mach.
 124      Sizes get set in set_sizes callback, later.  */
 125
 126   return abfd->xvec;
 127 }
 128 #endif
 129
 130 #ifndef MY_object_p
 131 /* Finish up the reading of an a.out file header.  */
 132
 133 static const bfd_target *
 134 MY (object_p) (bfd *abfd)
 135 {
 136   struct external_exec exec_bytes;      /* Raw exec header from file.  */
 137   struct internal_exec exec;            /* Cleaned-up exec header.  */
 138   const bfd_target *target;
 139   bfd_size_type amt = EXEC_BYTES_SIZE;
 140
 141   if (bfd_bread ((void *) &exec_bytes, amt, abfd) != amt)
 142     {
 143       if (bfd_get_error () != bfd_error_system_call)
 144         bfd_set_error (bfd_error_wrong_format);
 145       return 0;
 146     }
 147
 148 #ifdef SWAP_MAGIC
 149   exec.a_info = SWAP_MAGIC (exec_bytes.e_info);
 150 #else
 151   exec.a_info = GET_MAGIC (abfd, exec_bytes.e_info);
 152 #endif
 153
 154   if (N_BADMAG (exec))
 155     return 0;
 156
 157 #ifdef MACHTYPE_OK
 158   if (!(MACHTYPE_OK (N_MACHTYPE (exec))))
 159     return 0;
 160 #endif
 161
 162   NAME (aout, swap_exec_header_in) (abfd, &exec_bytes, &exec);
 163
 164 #ifdef SWAP_MAGIC
 165   /* Swap_exec_header_in read in a_info with the wrong byte order.  */
 166   exec.a_info = SWAP_MAGIC (exec_bytes.e_info);
 167 #endif
 168
 169   target = NAME (aout, some_aout_object_p) (abfd, &exec, MY (callback));
 170
 171 #ifdef ENTRY_CAN_BE_ZERO
 172   /* The NEWSOS3 entry-point is/was 0, which (amongst other lossage)
 173      means that it isn't obvious if EXEC_P should be set.
 174      All of the following must be true for an executable:
 175      There must be no relocations, the bfd can be neither an
 176      archive nor an archive element, and the file must be executable.  */
 177
 178   if (exec.a_trsize + exec.a_drsize == 0
 179       && bfd_get_format(abfd) == bfd_object && abfd->my_archive == NULL)
 180     {
 181       struct stat buf;
 182 #ifndef S_IXUSR
 183 #define S_IXUSR 0100    /* Execute by owner.  */
 184 #endif
 185       if (stat(abfd->filename, &buf) == 0 && (buf.st_mode & S_IXUSR))
 186         abfd->flags |= EXEC_P;
 187     }
 188 #endif /* ENTRY_CAN_BE_ZERO */
 189
 190   return target;
 191 }
 192 #define MY_object_p MY (object_p)
 193 #endif
 194
 195 #ifndef MY_mkobject
 196
 197 static bfd_boolean
 198 MY (mkobject) (bfd *abfd)
 199 {
 200   return NAME (aout, mkobject (abfd));
 201 }
 202
 203 #define MY_mkobject MY (mkobject)
 204 #endif
 205
 206 #ifndef MY_bfd_copy_private_section_data
 207
 208 /* Copy private section data.  This actually does nothing with the
 209    sections.  It copies the subformat field.  We copy it here, because
 210    we need to know whether this is a QMAGIC file before we set the
 211    section contents, and copy_private_bfd_data is not called until
 212    after the section contents have been set.  */
 213
 214 static bfd_boolean
 215 MY_bfd_copy_private_section_data (bfd *ibfd,
 216                                   asection *isec ATTRIBUTE_UNUSED,
 217                                   bfd *obfd,
 218                                   asection *osec ATTRIBUTE_UNUSED)
 219 {
 220   if (bfd_get_flavour (ibfd) == bfd_target_aout_flavour
 221       && bfd_get_flavour (obfd) == bfd_target_aout_flavour)
 222     obj_aout_subformat (obfd) = obj_aout_subformat (ibfd);
 223   return TRUE;
 224 }
 225
 226 #endif
 227
 228 /* Write an object file.
 229    Section contents have already been written.  We write the
 230    file header, symbols, and relocation.  */
 231
 232 #ifndef MY_write_object_contents
 233
 234 static bfd_boolean
 235 MY (write_object_contents) (bfd *abfd)
 236 {
 237   struct external_exec exec_bytes;
 238   struct internal_exec *execp = exec_hdr (abfd);
 239
 240   obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
 241
 242   WRITE_HEADERS (abfd, execp);
 243
 244   return TRUE;
 245 }
 246 #define MY_write_object_contents MY (write_object_contents)
 247 #endif
 248
 249 #ifndef MY_set_sizes
 250
 251 static bfd_boolean
 252 MY (set_sizes) (bfd *abfd)
 253 {
 254   adata(abfd).page_size = TARGET_PAGE_SIZE;
 255   adata(abfd).segment_size = SEGMENT_SIZE;
 256
 257 #ifdef ZMAGIC_DISK_BLOCK_SIZE
 258   adata(abfd).zmagic_disk_block_size = ZMAGIC_DISK_BLOCK_SIZE;
 259 #else
 260   adata(abfd).zmagic_disk_block_size = TARGET_PAGE_SIZE;
 261 #endif
 262
 263   adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE;
 264   return TRUE;
 265 }
 266 #define MY_set_sizes MY (set_sizes)
 267 #endif
 268
 269 #ifndef MY_exec_hdr_flags
 270 #define MY_exec_hdr_flags 0
 271 #endif
 272
 273 #ifndef MY_backend_data
 274
 275 #ifndef MY_zmagic_contiguous
 276 #define MY_zmagic_contiguous 0
 277 #endif
 278 #ifndef MY_text_includes_header
 279 #define MY_text_includes_header 0
 280 #endif
 281 #ifndef MY_entry_is_text_address
 282 #define MY_entry_is_text_address 0
 283 #endif
 284 #ifndef MY_exec_header_not_counted
 285 #define MY_exec_header_not_counted 0
 286 #endif
 287 #ifndef MY_add_dynamic_symbols
 288 #define MY_add_dynamic_symbols 0
 289 #endif
 290 #ifndef MY_add_one_symbol
 291 #define MY_add_one_symbol 0
 292 #endif
 293 #ifndef MY_link_dynamic_object
 294 #define MY_link_dynamic_object 0
 295 #endif
 296 #ifndef MY_write_dynamic_symbol
 297 #define MY_write_dynamic_symbol 0
 298 #endif
 299 #ifndef MY_check_dynamic_reloc
 300 #define MY_check_dynamic_reloc 0
 301 #endif
 302 #ifndef MY_finish_dynamic_link
 303 #define MY_finish_dynamic_link 0
 304 #endif
 305
 306 static const struct aout_backend_data MY (backend_data) =
 307 {
 308   MY_zmagic_contiguous,
 309   MY_text_includes_header,
 310   MY_entry_is_text_address,
 311   MY_exec_hdr_flags,
 312   0,                            /* Text vma?  */
 313   MY_set_sizes,
 314   MY_exec_header_not_counted,
 315   MY_add_dynamic_symbols,
 316   MY_add_one_symbol,
 317   MY_link_dynamic_object,
 318   MY_write_dynamic_symbol,
 319   MY_check_dynamic_reloc,
 320   MY_finish_dynamic_link
 321 };
 322 #define MY_backend_data &MY (backend_data)
 323 #endif
 324
 325 #ifndef MY_final_link_callback
 326
 327 /* Callback for the final_link routine to set the section offsets.  */
 328
 329 static void
 330 MY_final_link_callback (bfd *abfd,
 331                         file_ptr *ptreloff,
 332                         file_ptr *pdreloff,
 333                         file_ptr *psymoff)
 334 {
 335   struct internal_exec *execp = exec_hdr (abfd);
 336
 337   *ptreloff = N_TRELOFF (*execp);
 338   *pdreloff = N_DRELOFF (*execp);
 339   *psymoff = N_SYMOFF (*execp);
 340 }
 341
 342 #endif
 343
 344 #ifndef MY_bfd_final_link
 345
 346 /* Final link routine.  We need to use a call back to get the correct
 347    offsets in the output file.  */
 348
 349 static bfd_boolean
 350 MY_bfd_final_link (bfd *abfd, struct bfd_link_info *info)
 351 {
 352   return NAME (aout, final_link) (abfd, info, MY_final_link_callback);
 353 }
 354
 355 #endif
 356
 357 /* We assume BFD generic archive files.  */
 358 #ifndef MY_openr_next_archived_file
 359 #define MY_openr_next_archived_file     bfd_generic_openr_next_archived_file
 360 #endif
 361 #ifndef MY_get_elt_at_index
 362 #define MY_get_elt_at_index             _bfd_generic_get_elt_at_index
 363 #endif
 364 #ifndef MY_generic_stat_arch_elt
 365 #define MY_generic_stat_arch_elt        bfd_generic_stat_arch_elt
 366 #endif
 367 #ifndef MY_slurp_armap
 368 #define MY_slurp_armap                  bfd_slurp_bsd_armap
 369 #endif
 370 #ifndef MY_slurp_extended_name_table
 371 #define MY_slurp_extended_name_table    _bfd_slurp_extended_name_table
 372 #endif
 373 #ifndef MY_construct_extended_name_table
 374 #define MY_construct_extended_name_table \
 375   _bfd_archive_bsd_construct_extended_name_table
 376 #endif
 377 #ifndef MY_write_armap
 378 #define MY_write_armap          bsd_write_armap
 379 #endif
 380 #ifndef MY_read_ar_hdr
 381 #define MY_read_ar_hdr          _bfd_generic_read_ar_hdr
 382 #endif
 383 #ifndef MY_write_ar_hdr
 384 #define MY_write_ar_hdr         _bfd_generic_write_ar_hdr
 385 #endif
 386 #ifndef MY_truncate_arname
 387 #define MY_truncate_arname              bfd_bsd_truncate_arname
 388 #endif
 389 #ifndef MY_update_armap_timestamp
 390 #define MY_update_armap_timestamp _bfd_archive_bsd_update_armap_timestamp
 391 #endif
 392
 393 /* No core file defined here -- configure in trad-core.c separately.  */
 394 #ifndef MY_core_file_failing_command
 395 #define MY_core_file_failing_command _bfd_nocore_core_file_failing_command
 396 #endif
 397 #ifndef MY_core_file_failing_signal
 398 #define MY_core_file_failing_signal     _bfd_nocore_core_file_failing_signal
 399 #endif
 400 #ifndef MY_core_file_matches_executable_p
 401 #define MY_core_file_matches_executable_p       \
 402                                 _bfd_nocore_core_file_matches_executable_p
 403 #endif
 404 #ifndef MY_core_file_pid
 405 #define MY_core_file_pid _bfd_nocore_core_file_pid
 406 #endif
 407 #ifndef MY_core_file_p
 408 #define MY_core_file_p          _bfd_dummy_target
 409 #endif
 410
 411 #ifndef MY_bfd_debug_info_start
 412 #define MY_bfd_debug_info_start         bfd_void
 413 #endif
 414 #ifndef MY_bfd_debug_info_end
 415 #define MY_bfd_debug_info_end           bfd_void
 416 #endif
 417 #ifndef MY_bfd_debug_info_accumulate
 418 #define MY_bfd_debug_info_accumulate    \
 419                 (void (*) (bfd *, struct bfd_section *)) bfd_void
 420 #endif
 421
 422 #ifndef MY_core_file_failing_command
 423 #define MY_core_file_failing_command NAME (aout, core_file_failing_command)
 424 #endif
 425 #ifndef MY_core_file_failing_signal
 426 #define MY_core_file_failing_signal NAME (aout, core_file_failing_signal)
 427 #endif
 428 #ifndef MY_core_file_matches_executable_p
 429 #define MY_core_file_matches_executable_p NAME (aout, core_file_matches_executable_p)
 430 #endif
 431 #ifndef MY_set_section_contents
 432 #define MY_set_section_contents NAME (aout, set_section_contents)
 433 #endif
 434 #ifndef MY_get_section_contents
 435 #define MY_get_section_contents NAME (aout, get_section_contents)
 436 #endif
 437 #ifndef MY_get_section_contents_in_window
 438 #define MY_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
 439 #endif
 440 #ifndef MY_new_section_hook
 441 #define MY_new_section_hook NAME (aout, new_section_hook)
 442 #endif
 443 #ifndef MY_get_symtab_upper_bound
 444 #define MY_get_symtab_upper_bound NAME (aout, get_symtab_upper_bound)
 445 #endif
 446 #ifndef MY_canonicalize_symtab
 447 #define MY_canonicalize_symtab NAME (aout, canonicalize_symtab)
 448 #endif
 449 #ifndef MY_get_reloc_upper_bound
 450 #define MY_get_reloc_upper_bound NAME (aout,get_reloc_upper_bound)
 451 #endif
 452 #ifndef MY_canonicalize_reloc
 453 #define MY_canonicalize_reloc NAME (aout, canonicalize_reloc)
 454 #endif
 455 #ifndef MY_make_empty_symbol
 456 #define MY_make_empty_symbol NAME (aout, make_empty_symbol)
 457 #endif
 458 #ifndef MY_print_symbol
 459 #define MY_print_symbol NAME (aout, print_symbol)
 460 #endif
 461 #ifndef MY_get_symbol_info
 462 #define MY_get_symbol_info NAME (aout, get_symbol_info)
 463 #endif
 464 #ifndef MY_get_lineno
 465 #define MY_get_lineno NAME (aout, get_lineno)
 466 #endif
 467 #ifndef MY_set_arch_mach
 468 #define MY_set_arch_mach NAME (aout, set_arch_mach)
 469 #endif
 470 #ifndef MY_find_nearest_line
 471 #define MY_find_nearest_line NAME (aout, find_nearest_line)
 472 #endif
 473 #ifndef MY_find_inliner_info
 474 #define MY_find_inliner_info _bfd_nosymbols_find_inliner_info
 475 #endif
 476 #ifndef MY_sizeof_headers
 477 #define MY_sizeof_headers NAME (aout, sizeof_headers)
 478 #endif
 479 #ifndef MY_bfd_get_relocated_section_contents
 480 #define MY_bfd_get_relocated_section_contents \
 481                         bfd_generic_get_relocated_section_contents
 482 #endif
 483 #ifndef MY_bfd_relax_section
 484 #define MY_bfd_relax_section bfd_generic_relax_section
 485 #endif
 486 #ifndef MY_bfd_gc_sections
 487 #define MY_bfd_gc_sections bfd_generic_gc_sections
 488 #endif
 489 #ifndef MY_bfd_lookup_section_flags
 490 #define MY_bfd_lookup_section_flags bfd_generic_lookup_section_flags
 491 #endif
 492 #ifndef MY_bfd_merge_sections
 493 #define MY_bfd_merge_sections bfd_generic_merge_sections
 494 #endif
 495 #ifndef MY_bfd_is_group_section
 496 #define MY_bfd_is_group_section bfd_generic_is_group_section
 497 #endif
 498 #ifndef MY_bfd_discard_group
 499 #define MY_bfd_discard_group bfd_generic_discard_group
 500 #endif
 501 #ifndef MY_section_already_linked
 502 #define MY_section_already_linked \
 503   _bfd_generic_section_already_linked
 504 #endif
 505 #ifndef MY_bfd_define_common_symbol
 506 #define MY_bfd_define_common_symbol bfd_generic_define_common_symbol
 507 #endif
 508 #ifndef MY_bfd_reloc_type_lookup
 509 #define MY_bfd_reloc_type_lookup NAME (aout, reloc_type_lookup)
 510 #endif
 511 #ifndef MY_bfd_reloc_name_lookup
 512 #define MY_bfd_reloc_name_lookup NAME (aout, reloc_name_lookup)
 513 #endif
 514 #ifndef MY_bfd_make_debug_symbol
 515 #define MY_bfd_make_debug_symbol 0
 516 #endif
 517 #ifndef MY_read_minisymbols
 518 #define MY_read_minisymbols NAME (aout, read_minisymbols)
 519 #endif
 520 #ifndef MY_minisymbol_to_symbol
 521 #define MY_minisymbol_to_symbol NAME (aout, minisymbol_to_symbol)
 522 #endif
 523 #ifndef MY_bfd_link_hash_table_create
 524 #define MY_bfd_link_hash_table_create NAME (aout, link_hash_table_create)
 525 #endif
 526 #ifndef MY_bfd_link_hash_table_free
 527 #define MY_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
 528 #endif
 529 #ifndef MY_bfd_link_add_symbols
 530 #define MY_bfd_link_add_symbols NAME (aout, link_add_symbols)
 531 #endif
 532 #ifndef MY_bfd_link_just_syms
 533 #define MY_bfd_link_just_syms _bfd_generic_link_just_syms
 534 #endif
 535 #ifndef MY_bfd_copy_link_hash_symbol_type
 536 #define MY_bfd_copy_link_hash_symbol_type \
 537   _bfd_generic_copy_link_hash_symbol_type
 538 #endif
 539 #ifndef MY_bfd_link_split_section
 540 #define MY_bfd_link_split_section  _bfd_generic_link_split_section
 541 #endif
 542
 543 #ifndef MY_bfd_copy_private_bfd_data
 544 #define MY_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data
 545 #endif
 546
 547 #ifndef MY_bfd_merge_private_bfd_data
 548 #define MY_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
 549 #endif
 550
 551 #ifndef MY_bfd_copy_private_symbol_data
 552 #define MY_bfd_copy_private_symbol_data _bfd_generic_bfd_copy_private_symbol_data
 553 #endif
 554
 555 #ifndef MY_bfd_copy_private_header_data
 556 #define MY_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data
 557 #endif
 558
 559 #ifndef MY_bfd_print_private_bfd_data
 560 #define MY_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
 561 #endif
 562
 563 #ifndef MY_bfd_set_private_flags
 564 #define MY_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
 565 #endif
 566
 567 #ifndef MY_bfd_is_local_label_name
 568 #define MY_bfd_is_local_label_name bfd_generic_is_local_label_name
 569 #endif
 570
 571 #ifndef MY_bfd_is_target_special_symbol
 572 #define MY_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
 573 #endif
 574
 575 #ifndef MY_bfd_free_cached_info
 576 #define MY_bfd_free_cached_info NAME (aout, bfd_free_cached_info)
 577 #endif
 578
 579 #ifndef MY_close_and_cleanup
 580
 581 /* Handle closing of a BFD including the resource-releasing parts.  */
 582
 583 static bfd_boolean
 584 MY_close_and_cleanup (bfd *abfd)
 585 {
 586   if (!MY_bfd_free_cached_info (abfd))
 587     return FALSE;
 588
 589   return _bfd_generic_close_and_cleanup (abfd);
 590 }
 591
 592 #endif
 593
 594 #ifndef MY_get_dynamic_symtab_upper_bound
 595 #define MY_get_dynamic_symtab_upper_bound \
 596   _bfd_nodynamic_get_dynamic_symtab_upper_bound
 597 #endif
 598 #ifndef MY_canonicalize_dynamic_symtab
 599 #define MY_canonicalize_dynamic_symtab \
 600   _bfd_nodynamic_canonicalize_dynamic_symtab
 601 #endif
 602 #ifndef MY_get_synthetic_symtab
 603 #define MY_get_synthetic_symtab \
 604   _bfd_nodynamic_get_synthetic_symtab
 605 #endif
 606 #ifndef MY_get_dynamic_reloc_upper_bound
 607 #define MY_get_dynamic_reloc_upper_bound \
 608   _bfd_nodynamic_get_dynamic_reloc_upper_bound
 609 #endif
 610 #ifndef MY_canonicalize_dynamic_reloc
 611 #define MY_canonicalize_dynamic_reloc \
 612   _bfd_nodynamic_canonicalize_dynamic_reloc
 613 #endif
 614
 615 /* Aout symbols normally have leading underscores.  */
 616 #ifndef MY_symbol_leading_char
 617 #define MY_symbol_leading_char '_'
 618 #endif
 619
 620 /* Aout archives normally use spaces for padding.  */
 621 #ifndef AR_PAD_CHAR
 622 #define AR_PAD_CHAR ' '
 623 #endif
 624
 625 #ifndef MY_BFD_TARGET
 626 const bfd_target MY (vec) =
 627 {
 628   TARGETNAME,                   /* Name.  */
 629   bfd_target_aout_flavour,
 630 #ifdef TARGET_IS_BIG_ENDIAN_P
 631   BFD_ENDIAN_BIG,               /* Target byte order (big).  */
 632   BFD_ENDIAN_BIG,               /* Target headers byte order (big).  */
 633 #else
 634   BFD_ENDIAN_LITTLE,            /* Target byte order (little).  */
 635   BFD_ENDIAN_LITTLE,            /* Target headers byte order (little).  */
 636 #endif
 637   (HAS_RELOC | EXEC_P |         /* Object flags.  */
 638    HAS_LINENO | HAS_DEBUG |
 639    HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
 640   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
 641   MY_symbol_leading_char,
 642   AR_PAD_CHAR,                  /* AR_pad_char.  */
 643   15,                           /* AR_max_namelen.  */
 644   0,                            /* match priority.  */
 645 #ifdef TARGET_IS_BIG_ENDIAN_P
 646   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 647      bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 648      bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data.  */
 649   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 650      bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 651      bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers.  */
 652 #else
 653   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 654      bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 655      bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* Data.  */
 656   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 657      bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 658      bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* Headers.  */
 659 #endif
 660     {_bfd_dummy_target, MY_object_p,            /* bfd_check_format.  */
 661        bfd_generic_archive_p, MY_core_file_p},
 662     {bfd_false, MY_mkobject,                    /* bfd_set_format.  */
 663        _bfd_generic_mkarchive, bfd_false},
 664     {bfd_false, MY_write_object_contents,       /* bfd_write_contents.  */
 665        _bfd_write_archive_contents, bfd_false},
 666
 667      BFD_JUMP_TABLE_GENERIC (MY),
 668      BFD_JUMP_TABLE_COPY (MY),
 669      BFD_JUMP_TABLE_CORE (MY),
 670      BFD_JUMP_TABLE_ARCHIVE (MY),
 671      BFD_JUMP_TABLE_SYMBOLS (MY),
 672      BFD_JUMP_TABLE_RELOCS (MY),
 673      BFD_JUMP_TABLE_WRITE (MY),
 674      BFD_JUMP_TABLE_LINK (MY),
 675      BFD_JUMP_TABLE_DYNAMIC (MY),
 676
 677   /* Alternative_target.  */
 678   NULL,
 679
 680   MY_backend_data
 681 };
 682 #endif /* MY_BFD_TARGET */