bfd/aout-target.h

   1 /* Define a target vector and some small routines for a variant of a.out.
   2    Copyright (C) 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
   3
   4 This file is part of BFD, the Binary File Descriptor library.
   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 2 of the License, or
   9 (at 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  19
  20 #include "aout/aout64.h"
  21 #include "aout/stab_gnu.h"
  22 #include "aout/ar.h"
  23 /*#include "libaout.h"*/
  24
  25 extern reloc_howto_type * NAME(aout,reloc_type_lookup) ();
  26
  27 /* Set parameters about this a.out file that are machine-dependent.
  28    This routine is called from some_aout_object_p just before it returns.  */
  29 #ifndef MY_callback
  30 static const bfd_target *
  31 MY(callback) (abfd)
  32      bfd *abfd;
  33 {
  34   struct internal_exec *execp = exec_hdr (abfd);
  35   unsigned int arch_align_power;
  36   unsigned long arch_align;
  37
  38   /* Calculate the file positions of the parts of a newly read aout header */
  39   obj_textsec (abfd)->_raw_size = N_TXTSIZE(*execp);
  40
  41   /* The virtual memory addresses of the sections */
  42   obj_textsec (abfd)->vma = N_TXTADDR(*execp);
  43   obj_datasec (abfd)->vma = N_DATADDR(*execp);
  44   obj_bsssec  (abfd)->vma = N_BSSADDR(*execp);
  45
  46   /* The file offsets of the sections */
  47   obj_textsec (abfd)->filepos = N_TXTOFF (*execp);
  48   obj_datasec (abfd)->filepos = N_DATOFF (*execp);
  49
  50   /* The file offsets of the relocation info */
  51   obj_textsec (abfd)->rel_filepos = N_TRELOFF(*execp);
  52   obj_datasec (abfd)->rel_filepos = N_DRELOFF(*execp);
  53
  54   /* The file offsets of the string table and symbol table.  */
  55   obj_sym_filepos (abfd) = N_SYMOFF (*execp);
  56   obj_str_filepos (abfd) = N_STROFF (*execp);
  57
  58   /* Determine the architecture and machine type of the object file.  */
  59 #ifdef SET_ARCH_MACH
  60   SET_ARCH_MACH(abfd, *execp);
  61 #else
  62   bfd_default_set_arch_mach(abfd, DEFAULT_ARCH, 0);
  63 #endif
  64
  65   /* Now that we know the architecture, set the alignments of the
  66      sections.  This is normally done by NAME(aout,new_section_hook),
  67      but when the initial sections were created the architecture had
  68      not yet been set.  However, for backward compatibility, we don't
  69      set the alignment power any higher than as required by the size
  70      of the section.  */
  71   arch_align_power = bfd_get_arch_info (abfd)->section_align_power;
  72   arch_align = 1 << arch_align_power;
  73   if ((BFD_ALIGN (obj_textsec (abfd)->_raw_size, arch_align)
  74        == obj_textsec (abfd)->_raw_size)
  75       && (BFD_ALIGN (obj_datasec (abfd)->_raw_size, arch_align)
  76           == obj_datasec (abfd)->_raw_size)
  77       && (BFD_ALIGN (obj_bsssec (abfd)->_raw_size, arch_align)
  78           == obj_bsssec (abfd)->_raw_size))
  79     {
  80       obj_textsec (abfd)->alignment_power = arch_align_power;
  81       obj_datasec (abfd)->alignment_power = arch_align_power;
  82       obj_bsssec (abfd)->alignment_power = arch_align_power;
  83     }
  84
  85   /* Don't set sizes now -- can't be sure until we know arch & mach.
  86      Sizes get set in set_sizes callback, later.  */
  87 #if 0
  88   adata(abfd).page_size = PAGE_SIZE;
  89 #ifdef SEGMENT_SIZE
  90   adata(abfd).segment_size = SEGMENT_SIZE;
  91 #else
  92   adata(abfd).segment_size = PAGE_SIZE;
  93 #endif
  94   adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE;
  95 #endif
  96
  97   return abfd->xvec;
  98 }
  99 #endif
 100
 101 #ifndef MY_object_p
 102 /* Finish up the reading of an a.out file header */
 103
 104 static const bfd_target *
 105 MY(object_p) (abfd)
 106      bfd *abfd;
 107 {
 108   struct external_exec exec_bytes;      /* Raw exec header from file */
 109   struct internal_exec exec;            /* Cleaned-up exec header */
 110   const bfd_target *target;
 111
 112   if (bfd_read ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd)
 113       != EXEC_BYTES_SIZE) {
 114     if (bfd_get_error () != bfd_error_system_call)
 115       bfd_set_error (bfd_error_wrong_format);
 116     return 0;
 117   }
 118
 119 #ifdef SWAP_MAGIC
 120   exec.a_info = SWAP_MAGIC (exec_bytes.e_info);
 121 #else
 122   exec.a_info = bfd_h_get_32 (abfd, exec_bytes.e_info);
 123 #endif /* SWAP_MAGIC */
 124
 125   if (N_BADMAG (exec)) return 0;
 126 #ifdef MACHTYPE_OK
 127   if (!(MACHTYPE_OK (N_MACHTYPE (exec)))) return 0;
 128 #endif
 129
 130   NAME(aout,swap_exec_header_in)(abfd, &exec_bytes, &exec);
 131
 132 #ifdef SWAP_MAGIC
 133   /* swap_exec_header_in read in a_info with the wrong byte order */
 134   exec.a_info = SWAP_MAGIC (exec_bytes.e_info);
 135 #endif /* SWAP_MAGIC */
 136
 137   target = NAME(aout,some_aout_object_p) (abfd, &exec, MY(callback));
 138
 139 #ifdef ENTRY_CAN_BE_ZERO
 140   /* The NEWSOS3 entry-point is/was 0, which (amongst other lossage)
 141    * means that it isn't obvious if EXEC_P should be set.
 142    * All of the following must be true for an executable:
 143    * There must be no relocations, the bfd can be neither an
 144    * archive nor an archive element, and the file must be executable. */
 145
 146   if (exec.a_trsize + exec.a_drsize == 0
 147       && bfd_get_format(abfd) == bfd_object && abfd->my_archive == NULL)
 148     {
 149       struct stat buf;
 150 #ifndef S_IXUSR
 151 #define S_IXUSR 0100    /* Execute by owner.  */
 152 #endif
 153       if (stat(abfd->filename, &buf) == 0 && (buf.st_mode & S_IXUSR))
 154         abfd->flags |= EXEC_P;
 155     }
 156 #endif /* ENTRY_CAN_BE_ZERO */
 157
 158   return target;
 159 }
 160 #define MY_object_p MY(object_p)
 161 #endif
 162
 163
 164 #ifndef MY_mkobject
 165 static boolean
 166 MY(mkobject) (abfd)
 167      bfd *abfd;
 168 {
 169   if (NAME(aout,mkobject)(abfd) == false)
 170     return false;
 171 #if 0 /* Sizes get set in set_sizes callback, later, after we know
 172          the architecture and machine.  */
 173   adata(abfd).page_size = PAGE_SIZE;
 174 #ifdef SEGMENT_SIZE
 175   adata(abfd).segment_size = SEGMENT_SIZE;
 176 #else
 177   adata(abfd).segment_size = PAGE_SIZE;
 178 #endif
 179   adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE;
 180 #endif
 181   return true;
 182 }
 183 #define MY_mkobject MY(mkobject)
 184 #endif
 185
 186 #ifndef MY_bfd_copy_private_section_data
 187
 188 /* Copy private section data.  This actually does nothing with the
 189    sections.  It copies the subformat field.  We copy it here, because
 190    we need to know whether this is a QMAGIC file before we set the
 191    section contents, and copy_private_bfd_data is not called until
 192    after the section contents have been set.  */
 193
 194 /*ARGSUSED*/
 195 static boolean
 196 MY_bfd_copy_private_section_data (ibfd, isec, obfd, osec)
 197      bfd *ibfd;
 198      asection *isec;
 199      bfd *obfd;
 200      asection *osec;
 201 {
 202   if (bfd_get_flavour (obfd) == bfd_target_aout_flavour)
 203     obj_aout_subformat (obfd) = obj_aout_subformat (ibfd);
 204   return true;
 205 }
 206
 207 #endif
 208
 209 /* Write an object file.
 210    Section contents have already been written.  We write the
 211    file header, symbols, and relocation.  */
 212
 213 #ifndef MY_write_object_contents
 214 static boolean
 215 MY(write_object_contents) (abfd)
 216      bfd *abfd;
 217 {
 218   struct external_exec exec_bytes;
 219   struct internal_exec *execp = exec_hdr (abfd);
 220
 221 #if CHOOSE_RELOC_SIZE
 222   CHOOSE_RELOC_SIZE(abfd);
 223 #else
 224   obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
 225 #endif
 226
 227   WRITE_HEADERS(abfd, execp);
 228
 229   return true;
 230 }
 231 #define MY_write_object_contents MY(write_object_contents)
 232 #endif
 233
 234 #ifndef MY_set_sizes
 235 static boolean
 236 MY(set_sizes) (abfd)
 237      bfd *abfd;
 238 {
 239   adata(abfd).page_size = PAGE_SIZE;
 240
 241 #ifdef SEGMENT_SIZE
 242   adata(abfd).segment_size = SEGMENT_SIZE;
 243 #else
 244   adata(abfd).segment_size = PAGE_SIZE;
 245 #endif
 246
 247 #ifdef ZMAGIC_DISK_BLOCK_SIZE
 248   adata(abfd).zmagic_disk_block_size = ZMAGIC_DISK_BLOCK_SIZE;
 249 #else
 250   adata(abfd).zmagic_disk_block_size = PAGE_SIZE;
 251 #endif
 252
 253   adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE;
 254   return true;
 255 }
 256 #define MY_set_sizes MY(set_sizes)
 257 #endif
 258
 259 #ifndef MY_exec_hdr_flags
 260 #define MY_exec_hdr_flags 0
 261 #endif
 262
 263 #ifndef MY_backend_data
 264
 265 #ifndef MY_zmagic_contiguous
 266 #define MY_zmagic_contiguous 0
 267 #endif
 268 #ifndef MY_text_includes_header
 269 #define MY_text_includes_header 0
 270 #endif
 271 #ifndef MY_exec_header_not_counted
 272 #define MY_exec_header_not_counted 0
 273 #endif
 274 #ifndef MY_add_dynamic_symbols
 275 #define MY_add_dynamic_symbols 0
 276 #endif
 277 #ifndef MY_add_one_symbol
 278 #define MY_add_one_symbol 0
 279 #endif
 280 #ifndef MY_link_dynamic_object
 281 #define MY_link_dynamic_object 0
 282 #endif
 283 #ifndef MY_write_dynamic_symbol
 284 #define MY_write_dynamic_symbol 0
 285 #endif
 286 #ifndef MY_check_dynamic_reloc
 287 #define MY_check_dynamic_reloc 0
 288 #endif
 289 #ifndef MY_finish_dynamic_link
 290 #define MY_finish_dynamic_link 0
 291 #endif
 292
 293 static CONST struct aout_backend_data MY(backend_data) = {
 294   MY_zmagic_contiguous,
 295   MY_text_includes_header,
 296   MY_exec_hdr_flags,
 297   0,                            /* text vma? */
 298   MY_set_sizes,
 299   MY_exec_header_not_counted,
 300   MY_add_dynamic_symbols,
 301   MY_add_one_symbol,
 302   MY_link_dynamic_object,
 303   MY_write_dynamic_symbol,
 304   MY_check_dynamic_reloc,
 305   MY_finish_dynamic_link
 306 };
 307 #define MY_backend_data &MY(backend_data)
 308 #endif
 309
 310 #ifndef MY_final_link_callback
 311
 312 /* Callback for the final_link routine to set the section offsets.  */
 313
 314 static void MY_final_link_callback
 315   PARAMS ((bfd *, file_ptr *, file_ptr *, file_ptr *));
 316
 317 static void
 318 MY_final_link_callback (abfd, ptreloff, pdreloff, psymoff)
 319      bfd *abfd;
 320      file_ptr *ptreloff;
 321      file_ptr *pdreloff;
 322      file_ptr *psymoff;
 323 {
 324   struct internal_exec *execp = exec_hdr (abfd);
 325
 326   *ptreloff = N_TRELOFF (*execp);
 327   *pdreloff = N_DRELOFF (*execp);
 328   *psymoff = N_SYMOFF (*execp);
 329 }
 330
 331 #endif
 332
 333 #ifndef MY_bfd_final_link
 334
 335 /* Final link routine.  We need to use a call back to get the correct
 336    offsets in the output file.  */
 337
 338 static boolean
 339 MY_bfd_final_link (abfd, info)
 340      bfd *abfd;
 341      struct bfd_link_info *info;
 342 {
 343   return NAME(aout,final_link) (abfd, info, MY_final_link_callback);
 344 }
 345
 346 #endif
 347
 348 /* We assume BFD generic archive files.  */
 349 #ifndef MY_openr_next_archived_file
 350 #define MY_openr_next_archived_file     bfd_generic_openr_next_archived_file
 351 #endif
 352 #ifndef MY_generic_stat_arch_elt
 353 #define MY_generic_stat_arch_elt        bfd_generic_stat_arch_elt
 354 #endif
 355 #ifndef MY_slurp_armap
 356 #define MY_slurp_armap                  bfd_slurp_bsd_armap
 357 #endif
 358 #ifndef MY_slurp_extended_name_table
 359 #define MY_slurp_extended_name_table    _bfd_slurp_extended_name_table
 360 #endif
 361 #ifndef MY_construct_extended_name_table
 362 #define MY_construct_extended_name_table \
 363   _bfd_archive_bsd_construct_extended_name_table
 364 #endif
 365 #ifndef MY_write_armap
 366 #define MY_write_armap          bsd_write_armap
 367 #endif
 368 #ifndef MY_truncate_arname
 369 #define MY_truncate_arname              bfd_bsd_truncate_arname
 370 #endif
 371 #ifndef MY_update_armap_timestamp
 372 #define MY_update_armap_timestamp _bfd_archive_bsd_update_armap_timestamp
 373 #endif
 374
 375 /* No core file defined here -- configure in trad-core.c separately.  */
 376 #ifndef MY_core_file_failing_command
 377 #define MY_core_file_failing_command _bfd_nocore_core_file_failing_command
 378 #endif
 379 #ifndef MY_core_file_failing_signal
 380 #define MY_core_file_failing_signal     _bfd_nocore_core_file_failing_signal
 381 #endif
 382 #ifndef MY_core_file_matches_executable_p
 383 #define MY_core_file_matches_executable_p       \
 384                                 _bfd_nocore_core_file_matches_executable_p
 385 #endif
 386 #ifndef MY_core_file_p
 387 #define MY_core_file_p          _bfd_dummy_target
 388 #endif
 389
 390 #ifndef MY_bfd_debug_info_start
 391 #define MY_bfd_debug_info_start         bfd_void
 392 #endif
 393 #ifndef MY_bfd_debug_info_end
 394 #define MY_bfd_debug_info_end           bfd_void
 395 #endif
 396 #ifndef MY_bfd_debug_info_accumulate
 397 #define MY_bfd_debug_info_accumulate    \
 398                         (void (*) PARAMS ((bfd*, struct sec *))) bfd_void
 399 #endif
 400
 401 #ifndef MY_core_file_failing_command
 402 #define MY_core_file_failing_command NAME(aout,core_file_failing_command)
 403 #endif
 404 #ifndef MY_core_file_failing_signal
 405 #define MY_core_file_failing_signal NAME(aout,core_file_failing_signal)
 406 #endif
 407 #ifndef MY_core_file_matches_executable_p
 408 #define MY_core_file_matches_executable_p NAME(aout,core_file_matches_executable_p)
 409 #endif
 410 #ifndef MY_set_section_contents
 411 #define MY_set_section_contents NAME(aout,set_section_contents)
 412 #endif
 413 #ifndef MY_get_section_contents
 414 #define MY_get_section_contents NAME(aout,get_section_contents)
 415 #endif
 416 #ifndef MY_new_section_hook
 417 #define MY_new_section_hook NAME(aout,new_section_hook)
 418 #endif
 419 #ifndef MY_get_symtab_upper_bound
 420 #define MY_get_symtab_upper_bound NAME(aout,get_symtab_upper_bound)
 421 #endif
 422 #ifndef MY_get_symtab
 423 #define MY_get_symtab NAME(aout,get_symtab)
 424 #endif
 425 #ifndef MY_get_reloc_upper_bound
 426 #define MY_get_reloc_upper_bound NAME(aout,get_reloc_upper_bound)
 427 #endif
 428 #ifndef MY_canonicalize_reloc
 429 #define MY_canonicalize_reloc NAME(aout,canonicalize_reloc)
 430 #endif
 431 #ifndef MY_make_empty_symbol
 432 #define MY_make_empty_symbol NAME(aout,make_empty_symbol)
 433 #endif
 434 #ifndef MY_print_symbol
 435 #define MY_print_symbol NAME(aout,print_symbol)
 436 #endif
 437 #ifndef MY_get_symbol_info
 438 #define MY_get_symbol_info NAME(aout,get_symbol_info)
 439 #endif
 440 #ifndef MY_get_lineno
 441 #define MY_get_lineno NAME(aout,get_lineno)
 442 #endif
 443 #ifndef MY_set_arch_mach
 444 #define MY_set_arch_mach NAME(aout,set_arch_mach)
 445 #endif
 446 #ifndef MY_find_nearest_line
 447 #define MY_find_nearest_line NAME(aout,find_nearest_line)
 448 #endif
 449 #ifndef MY_sizeof_headers
 450 #define MY_sizeof_headers NAME(aout,sizeof_headers)
 451 #endif
 452 #ifndef MY_bfd_get_relocated_section_contents
 453 #define MY_bfd_get_relocated_section_contents \
 454                         bfd_generic_get_relocated_section_contents
 455 #endif
 456 #ifndef MY_bfd_relax_section
 457 #define MY_bfd_relax_section bfd_generic_relax_section
 458 #endif
 459 #ifndef MY_bfd_reloc_type_lookup
 460 #define MY_bfd_reloc_type_lookup NAME(aout,reloc_type_lookup)
 461 #endif
 462 #ifndef MY_bfd_make_debug_symbol
 463 #define MY_bfd_make_debug_symbol 0
 464 #endif
 465 #ifndef MY_read_minisymbols
 466 #define MY_read_minisymbols NAME(aout,read_minisymbols)
 467 #endif
 468 #ifndef MY_minisymbol_to_symbol
 469 #define MY_minisymbol_to_symbol NAME(aout,minisymbol_to_symbol)
 470 #endif
 471 #ifndef MY_bfd_link_hash_table_create
 472 #define MY_bfd_link_hash_table_create NAME(aout,link_hash_table_create)
 473 #endif
 474 #ifndef MY_bfd_link_add_symbols
 475 #define MY_bfd_link_add_symbols NAME(aout,link_add_symbols)
 476 #endif
 477 #ifndef MY_bfd_link_split_section
 478 #define MY_bfd_link_split_section  _bfd_generic_link_split_section
 479 #endif
 480
 481
 482 #ifndef MY_bfd_copy_private_bfd_data
 483 #define MY_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data
 484 #endif
 485
 486 #ifndef MY_bfd_merge_private_bfd_data
 487 #define MY_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
 488 #endif
 489
 490 #ifndef MY_bfd_copy_private_symbol_data
 491 #define MY_bfd_copy_private_symbol_data _bfd_generic_bfd_copy_private_symbol_data
 492 #endif
 493
 494 #ifndef MY_bfd_print_private_bfd_data
 495 #define MY_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
 496 #endif
 497
 498 #ifndef MY_bfd_set_private_flags
 499 #define MY_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
 500 #endif
 501
 502 #ifndef MY_bfd_is_local_label
 503 #define MY_bfd_is_local_label bfd_generic_is_local_label
 504 #endif
 505
 506 #ifndef MY_bfd_free_cached_info
 507 #define MY_bfd_free_cached_info NAME(aout,bfd_free_cached_info)
 508 #endif
 509
 510 #ifndef MY_close_and_cleanup
 511 #define MY_close_and_cleanup MY_bfd_free_cached_info
 512 #endif
 513
 514 #ifndef MY_get_dynamic_symtab_upper_bound
 515 #define MY_get_dynamic_symtab_upper_bound \
 516   _bfd_nodynamic_get_dynamic_symtab_upper_bound
 517 #endif
 518 #ifndef MY_canonicalize_dynamic_symtab
 519 #define MY_canonicalize_dynamic_symtab \
 520   _bfd_nodynamic_canonicalize_dynamic_symtab
 521 #endif
 522 #ifndef MY_get_dynamic_reloc_upper_bound
 523 #define MY_get_dynamic_reloc_upper_bound \
 524   _bfd_nodynamic_get_dynamic_reloc_upper_bound
 525 #endif
 526 #ifndef MY_canonicalize_dynamic_reloc
 527 #define MY_canonicalize_dynamic_reloc \
 528   _bfd_nodynamic_canonicalize_dynamic_reloc
 529 #endif
 530
 531 /* Aout symbols normally have leading underscores */
 532 #ifndef MY_symbol_leading_char
 533 #define MY_symbol_leading_char '_'
 534 #endif
 535
 536 /* Aout archives normally use spaces for padding */
 537 #ifndef AR_PAD_CHAR
 538 #define AR_PAD_CHAR ' '
 539 #endif
 540
 541 #ifndef MY_BFD_TARGET
 542 const bfd_target MY(vec) =
 543 {
 544   TARGETNAME,           /* name */
 545   bfd_target_aout_flavour,
 546 #ifdef TARGET_IS_BIG_ENDIAN_P
 547   true,                         /* target byte order (big) */
 548   true,                         /* target headers byte order (big) */
 549 #else
 550   false,                        /* target byte order (little) */
 551   false,                        /* target headers byte order (little) */
 552 #endif
 553   (HAS_RELOC | EXEC_P |         /* object flags */
 554    HAS_LINENO | HAS_DEBUG |
 555    HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
 556   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
 557   MY_symbol_leading_char,
 558   AR_PAD_CHAR,                  /* ar_pad_char */
 559   15,                           /* ar_max_namelen */
 560 #ifdef TARGET_IS_BIG_ENDIAN_P
 561   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 562      bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 563      bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
 564   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 565      bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 566      bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
 567 #else
 568   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 569      bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 570      bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
 571   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 572      bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 573      bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
 574 #endif
 575     {_bfd_dummy_target, MY_object_p, /* bfd_check_format */
 576        bfd_generic_archive_p, MY_core_file_p},
 577     {bfd_false, MY_mkobject,    /* bfd_set_format */
 578        _bfd_generic_mkarchive, bfd_false},
 579     {bfd_false, MY_write_object_contents, /* bfd_write_contents */
 580        _bfd_write_archive_contents, bfd_false},
 581
 582      BFD_JUMP_TABLE_GENERIC (MY),
 583      BFD_JUMP_TABLE_COPY (MY),
 584      BFD_JUMP_TABLE_CORE (MY),
 585      BFD_JUMP_TABLE_ARCHIVE (MY),
 586      BFD_JUMP_TABLE_SYMBOLS (MY),
 587      BFD_JUMP_TABLE_RELOCS (MY),
 588      BFD_JUMP_TABLE_WRITE (MY),
 589      BFD_JUMP_TABLE_LINK (MY),
 590      BFD_JUMP_TABLE_DYNAMIC (MY),
 591
 592   (PTR) MY_backend_data,
 593 };
 594 #endif /* MY_BFD_TARGET */