bfd/elfxx-target.h

   1 /* Target definitions for NN-bit ELF
   2    Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
   3    2003, 2004 Free Software Foundation, Inc.
   4
   5    This file is part of BFD, the Binary File Descriptor library.
   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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 /* This structure contains everything that BFD knows about a target.
  22    It includes things like its byte order, name, what routines to call
  23    to do various operations, etc.  Every BFD points to a target structure
  24    with its "xvec" member.
  25
  26    There are two such structures here:  one for big-endian machines and
  27    one for little-endian machines.   */
  28
  29 #define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup
  30 #define bfd_elfNN_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
  31 #ifndef bfd_elfNN_get_section_contents
  32 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
  33 #endif
  34
  35 #define bfd_elfNN_canonicalize_dynamic_symtab \
  36   _bfd_elf_canonicalize_dynamic_symtab
  37 #ifndef bfd_elfNN_get_synthetic_symtab
  38 #define bfd_elfNN_get_synthetic_symtab \
  39   _bfd_elf_get_synthetic_symtab
  40 #endif
  41 #ifndef bfd_elfNN_canonicalize_reloc
  42 #define bfd_elfNN_canonicalize_reloc    _bfd_elf_canonicalize_reloc
  43 #endif
  44 #ifndef bfd_elfNN_find_nearest_line
  45 #define bfd_elfNN_find_nearest_line     _bfd_elf_find_nearest_line
  46 #endif
  47 #define bfd_elfNN_read_minisymbols      _bfd_elf_read_minisymbols
  48 #define bfd_elfNN_minisymbol_to_symbol  _bfd_elf_minisymbol_to_symbol
  49 #define bfd_elfNN_get_dynamic_symtab_upper_bound \
  50   _bfd_elf_get_dynamic_symtab_upper_bound
  51 #define bfd_elfNN_get_lineno            _bfd_elf_get_lineno
  52 #ifndef bfd_elfNN_get_reloc_upper_bound
  53 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
  54 #endif
  55 #ifndef bfd_elfNN_get_symbol_info
  56 #define bfd_elfNN_get_symbol_info       _bfd_elf_get_symbol_info
  57 #endif
  58 #define bfd_elfNN_canonicalize_symtab   _bfd_elf_canonicalize_symtab
  59 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
  60 #define bfd_elfNN_make_empty_symbol     _bfd_elf_make_empty_symbol
  61 #ifndef bfd_elfNN_new_section_hook
  62 #define bfd_elfNN_new_section_hook      _bfd_elf_new_section_hook
  63 #endif
  64 #define bfd_elfNN_set_arch_mach         _bfd_elf_set_arch_mach
  65 #ifndef bfd_elfNN_set_section_contents
  66 #define bfd_elfNN_set_section_contents  _bfd_elf_set_section_contents
  67 #endif
  68 #define bfd_elfNN_sizeof_headers        _bfd_elf_sizeof_headers
  69 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
  70 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
  71
  72 #define bfd_elfNN_get_section_contents_in_window \
  73   _bfd_generic_get_section_contents_in_window
  74
  75 #ifndef elf_backend_got_symbol_offset
  76 #define elf_backend_got_symbol_offset (bfd_vma) 0
  77 #endif
  78 #ifndef elf_backend_can_refcount
  79 #define elf_backend_can_refcount 0
  80 #endif
  81 #ifndef elf_backend_want_got_plt
  82 #define elf_backend_want_got_plt 0
  83 #endif
  84 #ifndef elf_backend_plt_readonly
  85 #define elf_backend_plt_readonly 0
  86 #endif
  87 #ifndef elf_backend_want_plt_sym
  88 #define elf_backend_want_plt_sym 0
  89 #endif
  90 #ifndef elf_backend_plt_not_loaded
  91 #define elf_backend_plt_not_loaded 0
  92 #endif
  93 #ifndef elf_backend_plt_alignment
  94 #define elf_backend_plt_alignment 2
  95 #endif
  96 #ifndef elf_backend_want_dynbss
  97 #define elf_backend_want_dynbss 1
  98 #endif
  99 #ifndef elf_backend_want_p_paddr_set_to_zero
 100 #define elf_backend_want_p_paddr_set_to_zero 0
 101 #endif
 102
 103 #define bfd_elfNN_bfd_debug_info_start  bfd_void
 104 #define bfd_elfNN_bfd_debug_info_end    bfd_void
 105 #define bfd_elfNN_bfd_debug_info_accumulate \
 106   ((void (*) (bfd*, struct bfd_section *)) bfd_void)
 107
 108 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
 109 #define bfd_elfNN_bfd_get_relocated_section_contents \
 110   bfd_generic_get_relocated_section_contents
 111 #endif
 112
 113 #ifndef bfd_elfNN_bfd_relax_section
 114 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
 115 #endif
 116
 117 #ifndef elf_backend_can_gc_sections
 118 #define elf_backend_can_gc_sections 0
 119 #endif
 120 #ifndef elf_backend_can_refcount
 121 #define elf_backend_can_refcount 0
 122 #endif
 123 #ifndef elf_backend_want_got_sym
 124 #define elf_backend_want_got_sym 1
 125 #endif
 126 #ifndef elf_backend_gc_mark_hook
 127 #define elf_backend_gc_mark_hook        NULL
 128 #endif
 129 #ifndef elf_backend_gc_sweep_hook
 130 #define elf_backend_gc_sweep_hook       NULL
 131 #endif
 132 #ifndef bfd_elfNN_bfd_gc_sections
 133 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
 134 #endif
 135
 136 #ifndef bfd_elfNN_bfd_merge_sections
 137 #define bfd_elfNN_bfd_merge_sections \
 138   _bfd_elf_merge_sections
 139 #endif
 140
 141 #ifndef bfd_elfNN_bfd_is_group_section
 142 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
 143 #endif
 144
 145 #ifndef bfd_elfNN_bfd_discard_group
 146 #define bfd_elfNN_bfd_discard_group bfd_elf_discard_group
 147 #endif
 148
 149 #ifndef bfd_elfNN_section_already_linked
 150 #define bfd_elfNN_section_already_linked \
 151   _bfd_elf_section_already_linked
 152 #endif
 153
 154 #ifndef bfd_elfNN_bfd_make_debug_symbol
 155 #define bfd_elfNN_bfd_make_debug_symbol \
 156   ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
 157 #endif
 158
 159 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
 160 #define bfd_elfNN_bfd_copy_private_symbol_data \
 161   _bfd_elf_copy_private_symbol_data
 162 #endif
 163
 164 #ifndef bfd_elfNN_bfd_copy_private_section_data
 165 #define bfd_elfNN_bfd_copy_private_section_data \
 166   _bfd_elf_copy_private_section_data
 167 #endif
 168 #ifndef bfd_elfNN_bfd_copy_private_header_data
 169 #define bfd_elfNN_bfd_copy_private_header_data \
 170   _bfd_elf_copy_private_header_data
 171 #endif
 172 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
 173 #define bfd_elfNN_bfd_copy_private_bfd_data \
 174   _bfd_elf_copy_private_bfd_data
 175 #endif
 176 #ifndef bfd_elfNN_bfd_print_private_bfd_data
 177 #define bfd_elfNN_bfd_print_private_bfd_data \
 178   _bfd_elf_print_private_bfd_data
 179 #endif
 180 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
 181 #define bfd_elfNN_bfd_merge_private_bfd_data \
 182   ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
 183 #endif
 184 #ifndef bfd_elfNN_bfd_set_private_flags
 185 #define bfd_elfNN_bfd_set_private_flags \
 186   ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
 187 #endif
 188 #ifndef bfd_elfNN_bfd_is_local_label_name
 189 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
 190 #endif
 191 #ifndef bfd_elfNN_bfd_is_target_special_symbol
 192 #define bfd_elfNN_bfd_is_target_special_symbol \
 193   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
 194 #endif
 195
 196 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
 197 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
 198   _bfd_elf_get_dynamic_reloc_upper_bound
 199 #endif
 200 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
 201 #define bfd_elfNN_canonicalize_dynamic_reloc \
 202   _bfd_elf_canonicalize_dynamic_reloc
 203 #endif
 204
 205 #ifndef bfd_elfNN_bfd_link_hash_table_free
 206 #define bfd_elfNN_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
 207 #endif
 208
 209 #ifdef elf_backend_relocate_section
 210 #ifndef bfd_elfNN_bfd_link_hash_table_create
 211 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
 212 #endif
 213 #ifndef bfd_elfNN_bfd_link_add_symbols
 214 #define bfd_elfNN_bfd_link_add_symbols  bfd_elf_link_add_symbols
 215 #endif
 216 #ifndef bfd_elfNN_bfd_final_link
 217 #define bfd_elfNN_bfd_final_link        bfd_elf_final_link
 218 #endif
 219 #else /* ! defined (elf_backend_relocate_section) */
 220 /* If no backend relocate_section routine, use the generic linker.
 221    Note - this will prevent the port from being able to use some of
 222    the other features of the ELF linker, because the generic hash structure
 223    does not have the fields needed by the ELF linker.  In particular it
 224    means that linking directly to S-records will not work.  */
 225 #ifndef bfd_elfNN_bfd_link_hash_table_create
 226 #define bfd_elfNN_bfd_link_hash_table_create \
 227   _bfd_generic_link_hash_table_create
 228 #endif
 229 #ifndef bfd_elfNN_bfd_link_add_symbols
 230 #define bfd_elfNN_bfd_link_add_symbols  _bfd_generic_link_add_symbols
 231 #endif
 232 #ifndef bfd_elfNN_bfd_final_link
 233 #define bfd_elfNN_bfd_final_link        _bfd_generic_final_link
 234 #endif
 235 #endif /* ! defined (elf_backend_relocate_section) */
 236
 237 #ifndef bfd_elfNN_bfd_link_just_syms
 238 #define bfd_elfNN_bfd_link_just_syms    _bfd_elf_link_just_syms
 239 #endif
 240
 241 #ifndef bfd_elfNN_bfd_link_split_section
 242 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
 243 #endif
 244
 245 #ifndef bfd_elfNN_archive_p
 246 #define bfd_elfNN_archive_p bfd_generic_archive_p
 247 #endif
 248
 249 #ifndef bfd_elfNN_write_archive_contents
 250 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
 251 #endif
 252
 253 #ifndef bfd_elfNN_mkobject
 254 #define bfd_elfNN_mkobject bfd_elf_mkobject
 255 #endif
 256
 257 #ifndef bfd_elfNN_mkcorefile
 258 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
 259 #endif
 260
 261 #ifndef bfd_elfNN_mkarchive
 262 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
 263 #endif
 264
 265 #ifndef bfd_elfNN_print_symbol
 266 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
 267 #endif
 268
 269 #ifndef elf_symbol_leading_char
 270 #define elf_symbol_leading_char 0
 271 #endif
 272
 273 #ifndef elf_info_to_howto
 274 #define elf_info_to_howto 0
 275 #endif
 276
 277 #ifndef elf_info_to_howto_rel
 278 #define elf_info_to_howto_rel 0
 279 #endif
 280
 281 #ifndef ELF_MAXPAGESIZE
 282   #error ELF_MAXPAGESIZE is not defined
 283 #define ELF_MAXPAGESIZE 1
 284 #endif
 285
 286 #ifndef ELF_DYNAMIC_SEC_FLAGS
 287 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
 288 #define ELF_DYNAMIC_SEC_FLAGS                   \
 289   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
 290    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
 291 #endif
 292
 293 #ifndef elf_backend_collect
 294 #define elf_backend_collect FALSE
 295 #endif
 296 #ifndef elf_backend_type_change_ok
 297 #define elf_backend_type_change_ok FALSE
 298 #endif
 299
 300 #ifndef elf_backend_sym_is_global
 301 #define elf_backend_sym_is_global       0
 302 #endif
 303 #ifndef elf_backend_object_p
 304 #define elf_backend_object_p            0
 305 #endif
 306 #ifndef elf_backend_symbol_processing
 307 #define elf_backend_symbol_processing   0
 308 #endif
 309 #ifndef elf_backend_symbol_table_processing
 310 #define elf_backend_symbol_table_processing     0
 311 #endif
 312 #ifndef elf_backend_get_symbol_type
 313 #define elf_backend_get_symbol_type 0
 314 #endif
 315 #ifndef elf_backend_archive_symbol_lookup
 316 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
 317 #endif
 318 #ifndef elf_backend_name_local_section_symbols
 319 #define elf_backend_name_local_section_symbols  0
 320 #endif
 321 #ifndef elf_backend_section_processing
 322 #define elf_backend_section_processing  0
 323 #endif
 324 #ifndef elf_backend_section_from_shdr
 325 #define elf_backend_section_from_shdr   0
 326 #endif
 327 #ifndef elf_backend_section_flags
 328 #define elf_backend_section_flags       0
 329 #endif
 330 #ifndef elf_backend_section_from_phdr
 331 #define elf_backend_section_from_phdr   0
 332 #endif
 333 #ifndef elf_backend_fake_sections
 334 #define elf_backend_fake_sections       0
 335 #endif
 336 #ifndef elf_backend_section_from_bfd_section
 337 #define elf_backend_section_from_bfd_section    0
 338 #endif
 339 #ifndef elf_backend_add_symbol_hook
 340 #define elf_backend_add_symbol_hook     0
 341 #endif
 342 #ifndef elf_backend_link_output_symbol_hook
 343 #define elf_backend_link_output_symbol_hook 0
 344 #endif
 345 #ifndef elf_backend_create_dynamic_sections
 346 #define elf_backend_create_dynamic_sections 0
 347 #endif
 348 #ifndef elf_backend_omit_section_dynsym
 349 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
 350 #endif
 351 #ifndef elf_backend_check_relocs
 352 #define elf_backend_check_relocs        0
 353 #endif
 354 #ifndef elf_backend_check_directives
 355 #define elf_backend_check_directives    0
 356 #endif
 357 #ifndef elf_backend_adjust_dynamic_symbol
 358 #define elf_backend_adjust_dynamic_symbol 0
 359 #endif
 360 #ifndef elf_backend_always_size_sections
 361 #define elf_backend_always_size_sections 0
 362 #endif
 363 #ifndef elf_backend_size_dynamic_sections
 364 #define elf_backend_size_dynamic_sections 0
 365 #endif
 366 #ifndef elf_backend_relocate_section
 367 #define elf_backend_relocate_section    0
 368 #endif
 369 #ifndef elf_backend_finish_dynamic_symbol
 370 #define elf_backend_finish_dynamic_symbol       0
 371 #endif
 372 #ifndef elf_backend_finish_dynamic_sections
 373 #define elf_backend_finish_dynamic_sections     0
 374 #endif
 375 #ifndef elf_backend_begin_write_processing
 376 #define elf_backend_begin_write_processing      0
 377 #endif
 378 #ifndef elf_backend_final_write_processing
 379 #define elf_backend_final_write_processing      0
 380 #endif
 381 #ifndef elf_backend_additional_program_headers
 382 #define elf_backend_additional_program_headers  0
 383 #endif
 384 #ifndef elf_backend_modify_segment_map
 385 #define elf_backend_modify_segment_map  0
 386 #endif
 387 #ifndef elf_backend_ecoff_debug_swap
 388 #define elf_backend_ecoff_debug_swap    0
 389 #endif
 390 #ifndef elf_backend_bfd_from_remote_memory
 391 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
 392 #endif
 393 #ifndef elf_backend_got_header_size
 394 #define elf_backend_got_header_size     0
 395 #endif
 396 #ifndef elf_backend_post_process_headers
 397 #define elf_backend_post_process_headers        NULL
 398 #endif
 399 #ifndef elf_backend_print_symbol_all
 400 #define elf_backend_print_symbol_all            NULL
 401 #endif
 402 #ifndef elf_backend_output_arch_syms
 403 #define elf_backend_output_arch_syms            NULL
 404 #endif
 405 #ifndef elf_backend_copy_indirect_symbol
 406 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
 407 #endif
 408 #ifndef elf_backend_hide_symbol
 409 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
 410 #endif
 411 #ifndef elf_backend_merge_symbol_attribute
 412 #define elf_backend_merge_symbol_attribute      NULL
 413 #endif
 414 #ifndef elf_backend_emit_relocs
 415 #define elf_backend_emit_relocs                 NULL
 416 #endif
 417 #ifndef elf_backend_count_relocs
 418 #define elf_backend_count_relocs                NULL
 419 #endif
 420 #ifndef elf_backend_grok_prstatus
 421 #define elf_backend_grok_prstatus               NULL
 422 #endif
 423 #ifndef elf_backend_grok_psinfo
 424 #define elf_backend_grok_psinfo                 NULL
 425 #endif
 426 #ifndef elf_backend_sprintf_vma
 427 #define elf_backend_sprintf_vma                 _bfd_elf_sprintf_vma
 428 #endif
 429 #ifndef elf_backend_fprintf_vma
 430 #define elf_backend_fprintf_vma                 _bfd_elf_fprintf_vma
 431 #endif
 432 #ifndef elf_backend_reloc_type_class
 433 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
 434 #endif
 435 #ifndef elf_backend_discard_info
 436 #define elf_backend_discard_info                NULL
 437 #endif
 438 #ifndef elf_backend_ignore_discarded_relocs
 439 #define elf_backend_ignore_discarded_relocs     NULL
 440 #endif
 441 #ifndef elf_backend_can_make_relative_eh_frame
 442 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
 443 #endif
 444 #ifndef elf_backend_can_make_lsda_relative_eh_frame
 445 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
 446 #endif
 447 #ifndef elf_backend_encode_eh_address
 448 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
 449 #endif
 450 #ifndef elf_backend_write_section
 451 #define elf_backend_write_section               NULL
 452 #endif
 453 #ifndef elf_backend_mips_irix_compat
 454 #define elf_backend_mips_irix_compat            NULL
 455 #endif
 456 #ifndef elf_backend_mips_rtype_to_howto
 457 #define elf_backend_mips_rtype_to_howto         NULL
 458 #endif
 459
 460 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
 461    sections, but not both.  They defined USE_REL to indicate SHT_REL
 462    sections, and left it undefined to indicated SHT_RELA sections.
 463    For backwards compatibility, we still support this usage.  */
 464 #ifndef USE_REL
 465 #define USE_REL 0
 466 #endif
 467
 468 /* Use these in new code.  */
 469 #ifndef elf_backend_may_use_rel_p
 470 #define elf_backend_may_use_rel_p USE_REL
 471 #endif
 472 #ifndef elf_backend_may_use_rela_p
 473 #define elf_backend_may_use_rela_p !USE_REL
 474 #endif
 475 #ifndef elf_backend_default_use_rela_p
 476 #define elf_backend_default_use_rela_p !USE_REL
 477 #endif
 478
 479 #ifndef elf_backend_rela_normal
 480 #define elf_backend_rela_normal 0
 481 #endif
 482
 483 #ifndef elf_backend_plt_sym_val
 484 #define elf_backend_plt_sym_val NULL
 485 #endif
 486 #ifndef elf_backend_relplt_name
 487 #define elf_backend_relplt_name NULL
 488 #endif
 489
 490 #ifndef ELF_MACHINE_ALT1
 491 #define ELF_MACHINE_ALT1 0
 492 #endif
 493
 494 #ifndef ELF_MACHINE_ALT2
 495 #define ELF_MACHINE_ALT2 0
 496 #endif
 497
 498 #ifndef elf_backend_size_info
 499 #define elf_backend_size_info _bfd_elfNN_size_info
 500 #endif
 501
 502 #ifndef elf_backend_special_sections
 503 #define elf_backend_special_sections NULL
 504 #endif
 505
 506 #ifndef elf_backend_sign_extend_vma
 507 #define elf_backend_sign_extend_vma 0
 508 #endif
 509
 510 #ifndef elf_backend_link_order_error_handler
 511 #define elf_backend_link_order_error_handler _bfd_default_error_handler
 512 #endif
 513
 514 extern const struct elf_size_info _bfd_elfNN_size_info;
 515
 516 #ifndef INCLUDED_TARGET_FILE
 517 static const struct elf_backend_data elfNN_bed =
 518 {
 519   ELF_ARCH,                     /* arch */
 520   ELF_MACHINE_CODE,             /* elf_machine_code */
 521   ELF_MAXPAGESIZE,              /* maxpagesize */
 522   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
 523   elf_info_to_howto,
 524   elf_info_to_howto_rel,
 525   elf_backend_sym_is_global,
 526   elf_backend_object_p,
 527   elf_backend_symbol_processing,
 528   elf_backend_symbol_table_processing,
 529   elf_backend_get_symbol_type,
 530   elf_backend_archive_symbol_lookup,
 531   elf_backend_name_local_section_symbols,
 532   elf_backend_section_processing,
 533   elf_backend_section_from_shdr,
 534   elf_backend_section_flags,
 535   elf_backend_section_from_phdr,
 536   elf_backend_fake_sections,
 537   elf_backend_section_from_bfd_section,
 538   elf_backend_add_symbol_hook,
 539   elf_backend_link_output_symbol_hook,
 540   elf_backend_create_dynamic_sections,
 541   elf_backend_omit_section_dynsym,
 542   elf_backend_check_relocs,
 543   elf_backend_check_directives,
 544   elf_backend_adjust_dynamic_symbol,
 545   elf_backend_always_size_sections,
 546   elf_backend_size_dynamic_sections,
 547   elf_backend_relocate_section,
 548   elf_backend_finish_dynamic_symbol,
 549   elf_backend_finish_dynamic_sections,
 550   elf_backend_begin_write_processing,
 551   elf_backend_final_write_processing,
 552   elf_backend_additional_program_headers,
 553   elf_backend_modify_segment_map,
 554   elf_backend_gc_mark_hook,
 555   elf_backend_gc_sweep_hook,
 556   elf_backend_post_process_headers,
 557   elf_backend_print_symbol_all,
 558   elf_backend_output_arch_syms,
 559   elf_backend_copy_indirect_symbol,
 560   elf_backend_hide_symbol,
 561   elf_backend_merge_symbol_attribute,
 562   elf_backend_emit_relocs,
 563   elf_backend_count_relocs,
 564   elf_backend_grok_prstatus,
 565   elf_backend_grok_psinfo,
 566   elf_backend_sprintf_vma,
 567   elf_backend_fprintf_vma,
 568   elf_backend_reloc_type_class,
 569   elf_backend_discard_info,
 570   elf_backend_ignore_discarded_relocs,
 571   elf_backend_can_make_relative_eh_frame,
 572   elf_backend_can_make_lsda_relative_eh_frame,
 573   elf_backend_encode_eh_address,
 574   elf_backend_write_section,
 575   elf_backend_mips_irix_compat,
 576   elf_backend_mips_rtype_to_howto,
 577   elf_backend_ecoff_debug_swap,
 578   elf_backend_bfd_from_remote_memory,
 579   elf_backend_plt_sym_val,
 580   elf_backend_link_order_error_handler,
 581   elf_backend_relplt_name,
 582   ELF_MACHINE_ALT1,
 583   ELF_MACHINE_ALT2,
 584   &elf_backend_size_info,
 585   elf_backend_special_sections,
 586   elf_backend_got_symbol_offset,
 587   elf_backend_got_header_size,
 588   elf_backend_collect,
 589   elf_backend_type_change_ok,
 590   elf_backend_may_use_rel_p,
 591   elf_backend_may_use_rela_p,
 592   elf_backend_default_use_rela_p,
 593   elf_backend_rela_normal,
 594   elf_backend_sign_extend_vma,
 595   elf_backend_want_got_plt,
 596   elf_backend_plt_readonly,
 597   elf_backend_want_plt_sym,
 598   elf_backend_plt_not_loaded,
 599   elf_backend_plt_alignment,
 600   elf_backend_can_gc_sections,
 601   elf_backend_can_refcount,
 602   elf_backend_want_got_sym,
 603   elf_backend_want_dynbss,
 604   elf_backend_want_p_paddr_set_to_zero
 605 };
 606 #endif
 607
 608 /* Forward declaration for use when initialising alternative_target field.  */
 609 #ifdef TARGET_LITTLE_SYM
 610 extern const bfd_target TARGET_LITTLE_SYM;
 611 #endif
 612
 613 #ifdef TARGET_BIG_SYM
 614 const bfd_target TARGET_BIG_SYM =
 615 {
 616   /* name: identify kind of target */
 617   TARGET_BIG_NAME,
 618
 619   /* flavour: general indication about file */
 620   bfd_target_elf_flavour,
 621
 622   /* byteorder: data is big endian */
 623   BFD_ENDIAN_BIG,
 624
 625   /* header_byteorder: header is also big endian */
 626   BFD_ENDIAN_BIG,
 627
 628   /* object_flags: mask of all file flags */
 629   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 630    | DYNAMIC | WP_TEXT | D_PAGED),
 631
 632   /* section_flags: mask of all section flags */
 633   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 634    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 635    | SEC_ARCH_BIT_0 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 636
 637    /* leading_symbol_char: is the first char of a user symbol
 638       predictable, and if so what is it */
 639   elf_symbol_leading_char,
 640
 641   /* ar_pad_char: pad character for filenames within an archive header
 642      FIXME:  this really has nothing to do with ELF, this is a characteristic
 643      of the archiver and/or os and should be independently tunable */
 644   '/',
 645
 646   /* ar_max_namelen: maximum number of characters in an archive header
 647      FIXME:  this really has nothing to do with ELF, this is a characteristic
 648      of the archiver and should be independently tunable.  The System V ABI,
 649      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 650   15,
 651
 652   /* Routines to byte-swap various sized integers from the data sections */
 653   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 654     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 655     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 656
 657   /* Routines to byte-swap various sized integers from the file headers */
 658   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 659     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 660     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 661
 662   /* bfd_check_format: check the format of a file being read */
 663   { _bfd_dummy_target,          /* unknown format */
 664     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 665     bfd_elfNN_archive_p,        /* an archive */
 666     bfd_elfNN_core_file_p       /* a core file */
 667   },
 668
 669   /* bfd_set_format: set the format of a file being written */
 670   { bfd_false,
 671     bfd_elfNN_mkobject,
 672     bfd_elfNN_mkarchive,
 673     bfd_elfNN_mkcorefile
 674   },
 675
 676   /* bfd_write_contents: write cached information into a file being written */
 677   { bfd_false,
 678     bfd_elfNN_write_object_contents,
 679     bfd_elfNN_write_archive_contents,
 680     bfd_elfNN_write_corefile_contents,
 681   },
 682
 683   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 684   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 685   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 686 #ifdef bfd_elfNN_archive_functions
 687   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 688 #else
 689   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 690 #endif
 691   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 692   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 693   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 694   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 695   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 696
 697   /* Alternative endian target.  */
 698 #ifdef TARGET_LITTLE_SYM
 699   & TARGET_LITTLE_SYM,
 700 #else
 701   NULL,
 702 #endif
 703
 704   /* backend_data: */
 705   &elfNN_bed
 706 };
 707 #endif
 708
 709 #ifdef TARGET_LITTLE_SYM
 710 const bfd_target TARGET_LITTLE_SYM =
 711 {
 712   /* name: identify kind of target */
 713   TARGET_LITTLE_NAME,
 714
 715   /* flavour: general indication about file */
 716   bfd_target_elf_flavour,
 717
 718   /* byteorder: data is little endian */
 719   BFD_ENDIAN_LITTLE,
 720
 721   /* header_byteorder: header is also little endian */
 722   BFD_ENDIAN_LITTLE,
 723
 724   /* object_flags: mask of all file flags */
 725   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 726    | DYNAMIC | WP_TEXT | D_PAGED),
 727
 728   /* section_flags: mask of all section flags */
 729   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 730    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 731    | SEC_ARCH_BIT_0 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 732
 733    /* leading_symbol_char: is the first char of a user symbol
 734       predictable, and if so what is it */
 735   elf_symbol_leading_char,
 736
 737   /* ar_pad_char: pad character for filenames within an archive header
 738      FIXME:  this really has nothing to do with ELF, this is a characteristic
 739      of the archiver and/or os and should be independently tunable */
 740   '/',
 741
 742   /* ar_max_namelen: maximum number of characters in an archive header
 743      FIXME:  this really has nothing to do with ELF, this is a characteristic
 744      of the archiver and should be independently tunable.  The System V ABI,
 745      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 746   15,
 747
 748   /* Routines to byte-swap various sized integers from the data sections */
 749   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 750     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 751     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 752
 753   /* Routines to byte-swap various sized integers from the file headers */
 754   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 755     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 756     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 757
 758   /* bfd_check_format: check the format of a file being read */
 759   { _bfd_dummy_target,          /* unknown format */
 760     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 761     bfd_elfNN_archive_p,        /* an archive */
 762     bfd_elfNN_core_file_p       /* a core file */
 763   },
 764
 765   /* bfd_set_format: set the format of a file being written */
 766   { bfd_false,
 767     bfd_elfNN_mkobject,
 768     bfd_elfNN_mkarchive,
 769     bfd_elfNN_mkcorefile
 770   },
 771
 772   /* bfd_write_contents: write cached information into a file being written */
 773   { bfd_false,
 774     bfd_elfNN_write_object_contents,
 775     bfd_elfNN_write_archive_contents,
 776     bfd_elfNN_write_corefile_contents,
 777   },
 778
 779   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 780   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 781   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 782 #ifdef bfd_elfNN_archive_functions
 783   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 784 #else
 785   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 786 #endif
 787   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 788   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 789   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 790   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 791   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 792
 793   /* Alternative endian target.  */
 794 #ifdef TARGET_BIG_SYM
 795   & TARGET_BIG_SYM,
 796 #else
 797   NULL,
 798 #endif
 799
 800   /* backend_data: */
 801   &elfNN_bed
 802 };
 803 #endif