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, 2005 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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 #ifndef bfd_elfNN_find_inliner_info
  48 #define bfd_elfNN_find_inliner_info     _bfd_elf_find_inliner_info
  49 #endif
  50 #define bfd_elfNN_read_minisymbols      _bfd_elf_read_minisymbols
  51 #define bfd_elfNN_minisymbol_to_symbol  _bfd_elf_minisymbol_to_symbol
  52 #define bfd_elfNN_get_dynamic_symtab_upper_bound \
  53   _bfd_elf_get_dynamic_symtab_upper_bound
  54 #define bfd_elfNN_get_lineno            _bfd_elf_get_lineno
  55 #ifndef bfd_elfNN_get_reloc_upper_bound
  56 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
  57 #endif
  58 #ifndef bfd_elfNN_get_symbol_info
  59 #define bfd_elfNN_get_symbol_info       _bfd_elf_get_symbol_info
  60 #endif
  61 #define bfd_elfNN_canonicalize_symtab   _bfd_elf_canonicalize_symtab
  62 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
  63 #define bfd_elfNN_make_empty_symbol     _bfd_elf_make_empty_symbol
  64 #ifndef bfd_elfNN_new_section_hook
  65 #define bfd_elfNN_new_section_hook      _bfd_elf_new_section_hook
  66 #endif
  67 #define bfd_elfNN_set_arch_mach         _bfd_elf_set_arch_mach
  68 #ifndef bfd_elfNN_set_section_contents
  69 #define bfd_elfNN_set_section_contents  _bfd_elf_set_section_contents
  70 #endif
  71 #define bfd_elfNN_sizeof_headers        _bfd_elf_sizeof_headers
  72 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
  73 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
  74
  75 #define bfd_elfNN_get_section_contents_in_window \
  76   _bfd_generic_get_section_contents_in_window
  77
  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_generic_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_MINPAGESIZE
 287 #define ELF_MINPAGESIZE ELF_MAXPAGESIZE
 288 #endif
 289
 290 #ifndef ELF_DYNAMIC_SEC_FLAGS
 291 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
 292 #define ELF_DYNAMIC_SEC_FLAGS                   \
 293   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
 294    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
 295 #endif
 296
 297 #ifndef elf_backend_collect
 298 #define elf_backend_collect FALSE
 299 #endif
 300 #ifndef elf_backend_type_change_ok
 301 #define elf_backend_type_change_ok FALSE
 302 #endif
 303
 304 #ifndef elf_backend_sym_is_global
 305 #define elf_backend_sym_is_global       0
 306 #endif
 307 #ifndef elf_backend_object_p
 308 #define elf_backend_object_p            0
 309 #endif
 310 #ifndef elf_backend_symbol_processing
 311 #define elf_backend_symbol_processing   0
 312 #endif
 313 #ifndef elf_backend_symbol_table_processing
 314 #define elf_backend_symbol_table_processing     0
 315 #endif
 316 #ifndef elf_backend_get_symbol_type
 317 #define elf_backend_get_symbol_type 0
 318 #endif
 319 #ifndef elf_backend_archive_symbol_lookup
 320 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
 321 #endif
 322 #ifndef elf_backend_name_local_section_symbols
 323 #define elf_backend_name_local_section_symbols  0
 324 #endif
 325 #ifndef elf_backend_section_processing
 326 #define elf_backend_section_processing  0
 327 #endif
 328 #ifndef elf_backend_section_from_shdr
 329 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
 330 #endif
 331 #ifndef elf_backend_section_flags
 332 #define elf_backend_section_flags       0
 333 #endif
 334 #ifndef elf_backend_get_sec_type_attr
 335 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
 336 #endif
 337 #ifndef elf_backend_section_from_phdr
 338 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
 339 #endif
 340 #ifndef elf_backend_fake_sections
 341 #define elf_backend_fake_sections       0
 342 #endif
 343 #ifndef elf_backend_section_from_bfd_section
 344 #define elf_backend_section_from_bfd_section    0
 345 #endif
 346 #ifndef elf_backend_add_symbol_hook
 347 #define elf_backend_add_symbol_hook     0
 348 #endif
 349 #ifndef elf_backend_link_output_symbol_hook
 350 #define elf_backend_link_output_symbol_hook 0
 351 #endif
 352 #ifndef elf_backend_create_dynamic_sections
 353 #define elf_backend_create_dynamic_sections 0
 354 #endif
 355 #ifndef elf_backend_omit_section_dynsym
 356 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
 357 #endif
 358 #ifndef elf_backend_check_relocs
 359 #define elf_backend_check_relocs        0
 360 #endif
 361 #ifndef elf_backend_check_directives
 362 #define elf_backend_check_directives    0
 363 #endif
 364 #ifndef elf_backend_adjust_dynamic_symbol
 365 #define elf_backend_adjust_dynamic_symbol 0
 366 #endif
 367 #ifndef elf_backend_always_size_sections
 368 #define elf_backend_always_size_sections 0
 369 #endif
 370 #ifndef elf_backend_size_dynamic_sections
 371 #define elf_backend_size_dynamic_sections 0
 372 #endif
 373 #ifndef elf_backend_relocate_section
 374 #define elf_backend_relocate_section    0
 375 #endif
 376 #ifndef elf_backend_finish_dynamic_symbol
 377 #define elf_backend_finish_dynamic_symbol       0
 378 #endif
 379 #ifndef elf_backend_finish_dynamic_sections
 380 #define elf_backend_finish_dynamic_sections     0
 381 #endif
 382 #ifndef elf_backend_begin_write_processing
 383 #define elf_backend_begin_write_processing      0
 384 #endif
 385 #ifndef elf_backend_final_write_processing
 386 #define elf_backend_final_write_processing      0
 387 #endif
 388 #ifndef elf_backend_additional_program_headers
 389 #define elf_backend_additional_program_headers  0
 390 #endif
 391 #ifndef elf_backend_modify_segment_map
 392 #define elf_backend_modify_segment_map  0
 393 #endif
 394 #ifndef elf_backend_ecoff_debug_swap
 395 #define elf_backend_ecoff_debug_swap    0
 396 #endif
 397 #ifndef elf_backend_bfd_from_remote_memory
 398 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
 399 #endif
 400 #ifndef elf_backend_got_header_size
 401 #define elf_backend_got_header_size     0
 402 #endif
 403 #ifndef elf_backend_post_process_headers
 404 #define elf_backend_post_process_headers        NULL
 405 #endif
 406 #ifndef elf_backend_print_symbol_all
 407 #define elf_backend_print_symbol_all            NULL
 408 #endif
 409 #ifndef elf_backend_output_arch_syms
 410 #define elf_backend_output_arch_syms            NULL
 411 #endif
 412 #ifndef elf_backend_copy_indirect_symbol
 413 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
 414 #endif
 415 #ifndef elf_backend_hide_symbol
 416 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
 417 #endif
 418 #ifndef elf_backend_merge_symbol_attribute
 419 #define elf_backend_merge_symbol_attribute      NULL
 420 #endif
 421 #ifndef elf_backend_emit_relocs
 422 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
 423 #endif
 424 #ifndef elf_backend_count_relocs
 425 #define elf_backend_count_relocs                NULL
 426 #endif
 427 #ifndef elf_backend_grok_prstatus
 428 #define elf_backend_grok_prstatus               NULL
 429 #endif
 430 #ifndef elf_backend_grok_psinfo
 431 #define elf_backend_grok_psinfo                 NULL
 432 #endif
 433 #ifndef elf_backend_sprintf_vma
 434 #define elf_backend_sprintf_vma                 _bfd_elf_sprintf_vma
 435 #endif
 436 #ifndef elf_backend_fprintf_vma
 437 #define elf_backend_fprintf_vma                 _bfd_elf_fprintf_vma
 438 #endif
 439 #ifndef elf_backend_reloc_type_class
 440 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
 441 #endif
 442 #ifndef elf_backend_discard_info
 443 #define elf_backend_discard_info                NULL
 444 #endif
 445 #ifndef elf_backend_ignore_discarded_relocs
 446 #define elf_backend_ignore_discarded_relocs     NULL
 447 #endif
 448 #ifndef elf_backend_eh_frame_address_size
 449 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
 450 #endif
 451 #ifndef elf_backend_can_make_relative_eh_frame
 452 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
 453 #endif
 454 #ifndef elf_backend_can_make_lsda_relative_eh_frame
 455 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
 456 #endif
 457 #ifndef elf_backend_encode_eh_address
 458 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
 459 #endif
 460 #ifndef elf_backend_write_section
 461 #define elf_backend_write_section               NULL
 462 #endif
 463 #ifndef elf_backend_mips_irix_compat
 464 #define elf_backend_mips_irix_compat            NULL
 465 #endif
 466 #ifndef elf_backend_mips_rtype_to_howto
 467 #define elf_backend_mips_rtype_to_howto         NULL
 468 #endif
 469
 470 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
 471    sections, but not both.  They defined USE_REL to indicate SHT_REL
 472    sections, and left it undefined to indicated SHT_RELA sections.
 473    For backwards compatibility, we still support this usage.  */
 474 #ifndef USE_REL
 475 #define USE_REL 0
 476 #endif
 477
 478 /* Use these in new code.  */
 479 #ifndef elf_backend_may_use_rel_p
 480 #define elf_backend_may_use_rel_p USE_REL
 481 #endif
 482 #ifndef elf_backend_may_use_rela_p
 483 #define elf_backend_may_use_rela_p !USE_REL
 484 #endif
 485 #ifndef elf_backend_default_use_rela_p
 486 #define elf_backend_default_use_rela_p !USE_REL
 487 #endif
 488
 489 #ifndef elf_backend_rela_normal
 490 #define elf_backend_rela_normal 0
 491 #endif
 492
 493 #ifndef elf_backend_plt_sym_val
 494 #define elf_backend_plt_sym_val NULL
 495 #endif
 496 #ifndef elf_backend_relplt_name
 497 #define elf_backend_relplt_name NULL
 498 #endif
 499
 500 #ifndef ELF_MACHINE_ALT1
 501 #define ELF_MACHINE_ALT1 0
 502 #endif
 503
 504 #ifndef ELF_MACHINE_ALT2
 505 #define ELF_MACHINE_ALT2 0
 506 #endif
 507
 508 #ifndef elf_backend_size_info
 509 #define elf_backend_size_info _bfd_elfNN_size_info
 510 #endif
 511
 512 #ifndef elf_backend_sign_extend_vma
 513 #define elf_backend_sign_extend_vma 0
 514 #endif
 515
 516 #ifndef elf_backend_link_order_error_handler
 517 #define elf_backend_link_order_error_handler _bfd_default_error_handler
 518 #endif
 519
 520 extern const struct elf_size_info _bfd_elfNN_size_info;
 521
 522 #ifndef INCLUDED_TARGET_FILE
 523 static const struct elf_backend_data elfNN_bed =
 524 {
 525   ELF_ARCH,                     /* arch */
 526   ELF_MACHINE_CODE,             /* elf_machine_code */
 527   ELF_MAXPAGESIZE,              /* maxpagesize */
 528   ELF_MINPAGESIZE,              /* minpagesize */
 529   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
 530   elf_info_to_howto,
 531   elf_info_to_howto_rel,
 532   elf_backend_sym_is_global,
 533   elf_backend_object_p,
 534   elf_backend_symbol_processing,
 535   elf_backend_symbol_table_processing,
 536   elf_backend_get_symbol_type,
 537   elf_backend_archive_symbol_lookup,
 538   elf_backend_name_local_section_symbols,
 539   elf_backend_section_processing,
 540   elf_backend_section_from_shdr,
 541   elf_backend_section_flags,
 542   elf_backend_get_sec_type_attr,
 543   elf_backend_section_from_phdr,
 544   elf_backend_fake_sections,
 545   elf_backend_section_from_bfd_section,
 546   elf_backend_add_symbol_hook,
 547   elf_backend_link_output_symbol_hook,
 548   elf_backend_create_dynamic_sections,
 549   elf_backend_omit_section_dynsym,
 550   elf_backend_check_relocs,
 551   elf_backend_check_directives,
 552   elf_backend_adjust_dynamic_symbol,
 553   elf_backend_always_size_sections,
 554   elf_backend_size_dynamic_sections,
 555   elf_backend_relocate_section,
 556   elf_backend_finish_dynamic_symbol,
 557   elf_backend_finish_dynamic_sections,
 558   elf_backend_begin_write_processing,
 559   elf_backend_final_write_processing,
 560   elf_backend_additional_program_headers,
 561   elf_backend_modify_segment_map,
 562   elf_backend_gc_mark_hook,
 563   elf_backend_gc_sweep_hook,
 564   elf_backend_post_process_headers,
 565   elf_backend_print_symbol_all,
 566   elf_backend_output_arch_syms,
 567   elf_backend_copy_indirect_symbol,
 568   elf_backend_hide_symbol,
 569   elf_backend_merge_symbol_attribute,
 570   elf_backend_emit_relocs,
 571   elf_backend_count_relocs,
 572   elf_backend_grok_prstatus,
 573   elf_backend_grok_psinfo,
 574   elf_backend_sprintf_vma,
 575   elf_backend_fprintf_vma,
 576   elf_backend_reloc_type_class,
 577   elf_backend_discard_info,
 578   elf_backend_ignore_discarded_relocs,
 579   elf_backend_eh_frame_address_size,
 580   elf_backend_can_make_relative_eh_frame,
 581   elf_backend_can_make_lsda_relative_eh_frame,
 582   elf_backend_encode_eh_address,
 583   elf_backend_write_section,
 584   elf_backend_mips_irix_compat,
 585   elf_backend_mips_rtype_to_howto,
 586   elf_backend_ecoff_debug_swap,
 587   elf_backend_bfd_from_remote_memory,
 588   elf_backend_plt_sym_val,
 589   elf_backend_link_order_error_handler,
 590   elf_backend_relplt_name,
 591   ELF_MACHINE_ALT1,
 592   ELF_MACHINE_ALT2,
 593   &elf_backend_size_info,
 594   elf_backend_got_header_size,
 595   elf_backend_collect,
 596   elf_backend_type_change_ok,
 597   elf_backend_may_use_rel_p,
 598   elf_backend_may_use_rela_p,
 599   elf_backend_default_use_rela_p,
 600   elf_backend_rela_normal,
 601   elf_backend_sign_extend_vma,
 602   elf_backend_want_got_plt,
 603   elf_backend_plt_readonly,
 604   elf_backend_want_plt_sym,
 605   elf_backend_plt_not_loaded,
 606   elf_backend_plt_alignment,
 607   elf_backend_can_gc_sections,
 608   elf_backend_can_refcount,
 609   elf_backend_want_got_sym,
 610   elf_backend_want_dynbss,
 611   elf_backend_want_p_paddr_set_to_zero
 612 };
 613 #endif
 614
 615 /* Forward declaration for use when initialising alternative_target field.  */
 616 #ifdef TARGET_LITTLE_SYM
 617 extern const bfd_target TARGET_LITTLE_SYM;
 618 #endif
 619
 620 #ifdef TARGET_BIG_SYM
 621 const bfd_target TARGET_BIG_SYM =
 622 {
 623   /* name: identify kind of target */
 624   TARGET_BIG_NAME,
 625
 626   /* flavour: general indication about file */
 627   bfd_target_elf_flavour,
 628
 629   /* byteorder: data is big endian */
 630   BFD_ENDIAN_BIG,
 631
 632   /* header_byteorder: header is also big endian */
 633   BFD_ENDIAN_BIG,
 634
 635   /* object_flags: mask of all file flags */
 636   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 637    | DYNAMIC | WP_TEXT | D_PAGED),
 638
 639   /* section_flags: mask of all section flags */
 640   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 641    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 642    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 643
 644    /* leading_symbol_char: is the first char of a user symbol
 645       predictable, and if so what is it */
 646   elf_symbol_leading_char,
 647
 648   /* ar_pad_char: pad character for filenames within an archive header
 649      FIXME:  this really has nothing to do with ELF, this is a characteristic
 650      of the archiver and/or os and should be independently tunable */
 651   '/',
 652
 653   /* ar_max_namelen: maximum number of characters in an archive header
 654      FIXME:  this really has nothing to do with ELF, this is a characteristic
 655      of the archiver and should be independently tunable.  The System V ABI,
 656      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 657   15,
 658
 659   /* Routines to byte-swap various sized integers from the data sections */
 660   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 661     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 662     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 663
 664   /* Routines to byte-swap various sized integers from the file headers */
 665   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 666     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 667     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 668
 669   /* bfd_check_format: check the format of a file being read */
 670   { _bfd_dummy_target,          /* unknown format */
 671     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 672     bfd_elfNN_archive_p,        /* an archive */
 673     bfd_elfNN_core_file_p       /* a core file */
 674   },
 675
 676   /* bfd_set_format: set the format of a file being written */
 677   { bfd_false,
 678     bfd_elfNN_mkobject,
 679     bfd_elfNN_mkarchive,
 680     bfd_elfNN_mkcorefile
 681   },
 682
 683   /* bfd_write_contents: write cached information into a file being written */
 684   { bfd_false,
 685     bfd_elfNN_write_object_contents,
 686     bfd_elfNN_write_archive_contents,
 687     bfd_elfNN_write_corefile_contents,
 688   },
 689
 690   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 691   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 692   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 693 #ifdef bfd_elfNN_archive_functions
 694   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 695 #else
 696   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 697 #endif
 698   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 699   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 700   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 701   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 702   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 703
 704   /* Alternative endian target.  */
 705 #ifdef TARGET_LITTLE_SYM
 706   & TARGET_LITTLE_SYM,
 707 #else
 708   NULL,
 709 #endif
 710
 711   /* backend_data: */
 712   &elfNN_bed
 713 };
 714 #endif
 715
 716 #ifdef TARGET_LITTLE_SYM
 717 const bfd_target TARGET_LITTLE_SYM =
 718 {
 719   /* name: identify kind of target */
 720   TARGET_LITTLE_NAME,
 721
 722   /* flavour: general indication about file */
 723   bfd_target_elf_flavour,
 724
 725   /* byteorder: data is little endian */
 726   BFD_ENDIAN_LITTLE,
 727
 728   /* header_byteorder: header is also little endian */
 729   BFD_ENDIAN_LITTLE,
 730
 731   /* object_flags: mask of all file flags */
 732   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 733    | DYNAMIC | WP_TEXT | D_PAGED),
 734
 735   /* section_flags: mask of all section flags */
 736   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 737    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 738    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 739
 740    /* leading_symbol_char: is the first char of a user symbol
 741       predictable, and if so what is it */
 742   elf_symbol_leading_char,
 743
 744   /* ar_pad_char: pad character for filenames within an archive header
 745      FIXME:  this really has nothing to do with ELF, this is a characteristic
 746      of the archiver and/or os and should be independently tunable */
 747   '/',
 748
 749   /* ar_max_namelen: maximum number of characters in an archive header
 750      FIXME:  this really has nothing to do with ELF, this is a characteristic
 751      of the archiver and should be independently tunable.  The System V ABI,
 752      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 753   15,
 754
 755   /* Routines to byte-swap various sized integers from the data sections */
 756   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 757     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 758     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 759
 760   /* Routines to byte-swap various sized integers from the file headers */
 761   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 762     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 763     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 764
 765   /* bfd_check_format: check the format of a file being read */
 766   { _bfd_dummy_target,          /* unknown format */
 767     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 768     bfd_elfNN_archive_p,        /* an archive */
 769     bfd_elfNN_core_file_p       /* a core file */
 770   },
 771
 772   /* bfd_set_format: set the format of a file being written */
 773   { bfd_false,
 774     bfd_elfNN_mkobject,
 775     bfd_elfNN_mkarchive,
 776     bfd_elfNN_mkcorefile
 777   },
 778
 779   /* bfd_write_contents: write cached information into a file being written */
 780   { bfd_false,
 781     bfd_elfNN_write_object_contents,
 782     bfd_elfNN_write_archive_contents,
 783     bfd_elfNN_write_corefile_contents,
 784   },
 785
 786   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 787   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 788   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 789 #ifdef bfd_elfNN_archive_functions
 790   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 791 #else
 792   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 793 #endif
 794   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 795   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 796   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 797   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 798   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 799
 800   /* Alternative endian target.  */
 801 #ifdef TARGET_BIG_SYM
 802   & TARGET_BIG_SYM,
 803 #else
 804   NULL,
 805 #endif
 806
 807   /* backend_data: */
 808   &elfNN_bed
 809 };
 810 #endif