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, 2006 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 #ifndef bfd_elfNN_close_and_cleanup
  30 #define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup
  31 #endif
  32 #define bfd_elfNN_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
  33 #ifndef bfd_elfNN_get_section_contents
  34 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
  35 #endif
  36
  37 #define bfd_elfNN_canonicalize_dynamic_symtab \
  38   _bfd_elf_canonicalize_dynamic_symtab
  39 #ifndef bfd_elfNN_get_synthetic_symtab
  40 #define bfd_elfNN_get_synthetic_symtab \
  41   _bfd_elf_get_synthetic_symtab
  42 #endif
  43 #ifndef bfd_elfNN_canonicalize_reloc
  44 #define bfd_elfNN_canonicalize_reloc    _bfd_elf_canonicalize_reloc
  45 #endif
  46 #ifndef bfd_elfNN_find_nearest_line
  47 #define bfd_elfNN_find_nearest_line     _bfd_elf_find_nearest_line
  48 #endif
  49 #ifndef bfd_elfNN_find_inliner_info
  50 #define bfd_elfNN_find_inliner_info     _bfd_elf_find_inliner_info
  51 #endif
  52 #define bfd_elfNN_read_minisymbols      _bfd_elf_read_minisymbols
  53 #define bfd_elfNN_minisymbol_to_symbol  _bfd_elf_minisymbol_to_symbol
  54 #define bfd_elfNN_get_dynamic_symtab_upper_bound \
  55   _bfd_elf_get_dynamic_symtab_upper_bound
  56 #define bfd_elfNN_get_lineno            _bfd_elf_get_lineno
  57 #ifndef bfd_elfNN_get_reloc_upper_bound
  58 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
  59 #endif
  60 #ifndef bfd_elfNN_get_symbol_info
  61 #define bfd_elfNN_get_symbol_info       _bfd_elf_get_symbol_info
  62 #endif
  63 #define bfd_elfNN_canonicalize_symtab   _bfd_elf_canonicalize_symtab
  64 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
  65 #define bfd_elfNN_make_empty_symbol     _bfd_elf_make_empty_symbol
  66 #ifndef bfd_elfNN_new_section_hook
  67 #define bfd_elfNN_new_section_hook      _bfd_elf_new_section_hook
  68 #endif
  69 #define bfd_elfNN_set_arch_mach         _bfd_elf_set_arch_mach
  70 #ifndef bfd_elfNN_set_section_contents
  71 #define bfd_elfNN_set_section_contents  _bfd_elf_set_section_contents
  72 #endif
  73 #define bfd_elfNN_sizeof_headers        _bfd_elf_sizeof_headers
  74 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
  75 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
  76
  77 #define bfd_elfNN_get_section_contents_in_window \
  78   _bfd_generic_get_section_contents_in_window
  79
  80 #ifndef elf_backend_can_refcount
  81 #define elf_backend_can_refcount 0
  82 #endif
  83 #ifndef elf_backend_want_got_plt
  84 #define elf_backend_want_got_plt 0
  85 #endif
  86 #ifndef elf_backend_plt_readonly
  87 #define elf_backend_plt_readonly 0
  88 #endif
  89 #ifndef elf_backend_want_plt_sym
  90 #define elf_backend_want_plt_sym 0
  91 #endif
  92 #ifndef elf_backend_plt_not_loaded
  93 #define elf_backend_plt_not_loaded 0
  94 #endif
  95 #ifndef elf_backend_plt_alignment
  96 #define elf_backend_plt_alignment 2
  97 #endif
  98 #ifndef elf_backend_want_dynbss
  99 #define elf_backend_want_dynbss 1
 100 #endif
 101 #ifndef elf_backend_want_p_paddr_set_to_zero
 102 #define elf_backend_want_p_paddr_set_to_zero 0
 103 #endif
 104
 105 #define bfd_elfNN_bfd_debug_info_start  bfd_void
 106 #define bfd_elfNN_bfd_debug_info_end    bfd_void
 107 #define bfd_elfNN_bfd_debug_info_accumulate \
 108   ((void (*) (bfd*, struct bfd_section *)) bfd_void)
 109
 110 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
 111 #define bfd_elfNN_bfd_get_relocated_section_contents \
 112   bfd_generic_get_relocated_section_contents
 113 #endif
 114
 115 #ifndef bfd_elfNN_bfd_relax_section
 116 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
 117 #endif
 118
 119 #ifndef elf_backend_can_gc_sections
 120 #define elf_backend_can_gc_sections 0
 121 #endif
 122 #ifndef elf_backend_can_refcount
 123 #define elf_backend_can_refcount 0
 124 #endif
 125 #ifndef elf_backend_want_got_sym
 126 #define elf_backend_want_got_sym 1
 127 #endif
 128 #ifndef elf_backend_gc_mark_dynamic_ref
 129 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
 130 #endif
 131 #ifndef elf_backend_gc_mark_hook
 132 #define elf_backend_gc_mark_hook        NULL
 133 #endif
 134 #ifndef elf_backend_gc_sweep_hook
 135 #define elf_backend_gc_sweep_hook       NULL
 136 #endif
 137 #ifndef bfd_elfNN_bfd_gc_sections
 138 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
 139 #endif
 140
 141 #ifndef bfd_elfNN_bfd_merge_sections
 142 #define bfd_elfNN_bfd_merge_sections \
 143   _bfd_elf_merge_sections
 144 #endif
 145
 146 #ifndef bfd_elfNN_bfd_is_group_section
 147 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
 148 #endif
 149
 150 #ifndef bfd_elfNN_bfd_discard_group
 151 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
 152 #endif
 153
 154 #ifndef bfd_elfNN_section_already_linked
 155 #define bfd_elfNN_section_already_linked \
 156   _bfd_elf_section_already_linked
 157 #endif
 158
 159 #ifndef bfd_elfNN_bfd_make_debug_symbol
 160 #define bfd_elfNN_bfd_make_debug_symbol \
 161   ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
 162 #endif
 163
 164 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
 165 #define bfd_elfNN_bfd_copy_private_symbol_data \
 166   _bfd_elf_copy_private_symbol_data
 167 #endif
 168
 169 #ifndef bfd_elfNN_bfd_copy_private_section_data
 170 #define bfd_elfNN_bfd_copy_private_section_data \
 171   _bfd_elf_copy_private_section_data
 172 #endif
 173 #ifndef bfd_elfNN_bfd_copy_private_header_data
 174 #define bfd_elfNN_bfd_copy_private_header_data \
 175   _bfd_elf_copy_private_header_data
 176 #endif
 177 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
 178 #define bfd_elfNN_bfd_copy_private_bfd_data \
 179   _bfd_elf_copy_private_bfd_data
 180 #endif
 181 #ifndef bfd_elfNN_bfd_print_private_bfd_data
 182 #define bfd_elfNN_bfd_print_private_bfd_data \
 183   _bfd_elf_print_private_bfd_data
 184 #endif
 185 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
 186 #define bfd_elfNN_bfd_merge_private_bfd_data \
 187   ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
 188 #endif
 189 #ifndef bfd_elfNN_bfd_set_private_flags
 190 #define bfd_elfNN_bfd_set_private_flags \
 191   ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
 192 #endif
 193 #ifndef bfd_elfNN_bfd_is_local_label_name
 194 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
 195 #endif
 196 #ifndef bfd_elfNN_bfd_is_target_special_symbol
 197 #define bfd_elfNN_bfd_is_target_special_symbol \
 198   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
 199 #endif
 200
 201 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
 202 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
 203   _bfd_elf_get_dynamic_reloc_upper_bound
 204 #endif
 205 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
 206 #define bfd_elfNN_canonicalize_dynamic_reloc \
 207   _bfd_elf_canonicalize_dynamic_reloc
 208 #endif
 209
 210 #ifndef bfd_elfNN_bfd_link_hash_table_free
 211 #define bfd_elfNN_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
 212 #endif
 213
 214 #ifdef elf_backend_relocate_section
 215 #ifndef bfd_elfNN_bfd_link_hash_table_create
 216 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
 217 #endif
 218 #ifndef bfd_elfNN_bfd_link_add_symbols
 219 #define bfd_elfNN_bfd_link_add_symbols  bfd_elf_link_add_symbols
 220 #endif
 221 #ifndef bfd_elfNN_bfd_final_link
 222 #define bfd_elfNN_bfd_final_link        bfd_elf_final_link
 223 #endif
 224 #else /* ! defined (elf_backend_relocate_section) */
 225 /* If no backend relocate_section routine, use the generic linker.
 226    Note - this will prevent the port from being able to use some of
 227    the other features of the ELF linker, because the generic hash structure
 228    does not have the fields needed by the ELF linker.  In particular it
 229    means that linking directly to S-records will not work.  */
 230 #ifndef bfd_elfNN_bfd_link_hash_table_create
 231 #define bfd_elfNN_bfd_link_hash_table_create \
 232   _bfd_generic_link_hash_table_create
 233 #endif
 234 #ifndef bfd_elfNN_bfd_link_add_symbols
 235 #define bfd_elfNN_bfd_link_add_symbols  _bfd_generic_link_add_symbols
 236 #endif
 237 #ifndef bfd_elfNN_bfd_final_link
 238 #define bfd_elfNN_bfd_final_link        _bfd_generic_final_link
 239 #endif
 240 #endif /* ! defined (elf_backend_relocate_section) */
 241
 242 #ifndef bfd_elfNN_bfd_link_just_syms
 243 #define bfd_elfNN_bfd_link_just_syms    _bfd_elf_link_just_syms
 244 #endif
 245
 246 #ifndef bfd_elfNN_bfd_link_split_section
 247 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
 248 #endif
 249
 250 #ifndef bfd_elfNN_archive_p
 251 #define bfd_elfNN_archive_p bfd_generic_archive_p
 252 #endif
 253
 254 #ifndef bfd_elfNN_write_archive_contents
 255 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
 256 #endif
 257
 258 #ifndef bfd_elfNN_mkobject
 259 #define bfd_elfNN_mkobject bfd_elf_mkobject
 260 #endif
 261
 262 #ifndef bfd_elfNN_mkcorefile
 263 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
 264 #endif
 265
 266 #ifndef bfd_elfNN_mkarchive
 267 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
 268 #endif
 269
 270 #ifndef bfd_elfNN_print_symbol
 271 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
 272 #endif
 273
 274 #ifndef elf_symbol_leading_char
 275 #define elf_symbol_leading_char 0
 276 #endif
 277
 278 #ifndef elf_info_to_howto
 279 #define elf_info_to_howto 0
 280 #endif
 281
 282 #ifndef elf_info_to_howto_rel
 283 #define elf_info_to_howto_rel 0
 284 #endif
 285
 286 #ifndef ELF_MAXPAGESIZE
 287   #error ELF_MAXPAGESIZE is not defined
 288 #define ELF_MAXPAGESIZE 1
 289 #endif
 290
 291 #ifndef ELF_MINPAGESIZE
 292 #define ELF_MINPAGESIZE ELF_MAXPAGESIZE
 293 #endif
 294
 295 #ifndef ELF_DYNAMIC_SEC_FLAGS
 296 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
 297 #define ELF_DYNAMIC_SEC_FLAGS                   \
 298   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
 299    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
 300 #endif
 301
 302 #ifndef elf_backend_collect
 303 #define elf_backend_collect FALSE
 304 #endif
 305 #ifndef elf_backend_type_change_ok
 306 #define elf_backend_type_change_ok FALSE
 307 #endif
 308
 309 #ifndef elf_backend_sym_is_global
 310 #define elf_backend_sym_is_global       0
 311 #endif
 312 #ifndef elf_backend_object_p
 313 #define elf_backend_object_p            0
 314 #endif
 315 #ifndef elf_backend_symbol_processing
 316 #define elf_backend_symbol_processing   0
 317 #endif
 318 #ifndef elf_backend_symbol_table_processing
 319 #define elf_backend_symbol_table_processing     0
 320 #endif
 321 #ifndef elf_backend_get_symbol_type
 322 #define elf_backend_get_symbol_type 0
 323 #endif
 324 #ifndef elf_backend_archive_symbol_lookup
 325 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
 326 #endif
 327 #ifndef elf_backend_name_local_section_symbols
 328 #define elf_backend_name_local_section_symbols  0
 329 #endif
 330 #ifndef elf_backend_section_processing
 331 #define elf_backend_section_processing  0
 332 #endif
 333 #ifndef elf_backend_section_from_shdr
 334 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
 335 #endif
 336 #ifndef elf_backend_section_flags
 337 #define elf_backend_section_flags       0
 338 #endif
 339 #ifndef elf_backend_get_sec_type_attr
 340 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
 341 #endif
 342 #ifndef elf_backend_section_from_phdr
 343 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
 344 #endif
 345 #ifndef elf_backend_fake_sections
 346 #define elf_backend_fake_sections       0
 347 #endif
 348 #ifndef elf_backend_section_from_bfd_section
 349 #define elf_backend_section_from_bfd_section    0
 350 #endif
 351 #ifndef elf_backend_add_symbol_hook
 352 #define elf_backend_add_symbol_hook     0
 353 #endif
 354 #ifndef elf_backend_link_output_symbol_hook
 355 #define elf_backend_link_output_symbol_hook 0
 356 #endif
 357 #ifndef elf_backend_create_dynamic_sections
 358 #define elf_backend_create_dynamic_sections 0
 359 #endif
 360 #ifndef elf_backend_omit_section_dynsym
 361 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
 362 #endif
 363 #ifndef elf_backend_check_relocs
 364 #define elf_backend_check_relocs        0
 365 #endif
 366 #ifndef elf_backend_check_directives
 367 #define elf_backend_check_directives    0
 368 #endif
 369 #ifndef elf_backend_adjust_dynamic_symbol
 370 #define elf_backend_adjust_dynamic_symbol 0
 371 #endif
 372 #ifndef elf_backend_always_size_sections
 373 #define elf_backend_always_size_sections 0
 374 #endif
 375 #ifndef elf_backend_size_dynamic_sections
 376 #define elf_backend_size_dynamic_sections 0
 377 #endif
 378 #ifndef elf_backend_relocate_section
 379 #define elf_backend_relocate_section    0
 380 #endif
 381 #ifndef elf_backend_finish_dynamic_symbol
 382 #define elf_backend_finish_dynamic_symbol       0
 383 #endif
 384 #ifndef elf_backend_finish_dynamic_sections
 385 #define elf_backend_finish_dynamic_sections     0
 386 #endif
 387 #ifndef elf_backend_begin_write_processing
 388 #define elf_backend_begin_write_processing      0
 389 #endif
 390 #ifndef elf_backend_final_write_processing
 391 #define elf_backend_final_write_processing      0
 392 #endif
 393 #ifndef elf_backend_additional_program_headers
 394 #define elf_backend_additional_program_headers  0
 395 #endif
 396 #ifndef elf_backend_modify_segment_map
 397 #define elf_backend_modify_segment_map  0
 398 #endif
 399 #ifndef elf_backend_ecoff_debug_swap
 400 #define elf_backend_ecoff_debug_swap    0
 401 #endif
 402 #ifndef elf_backend_bfd_from_remote_memory
 403 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
 404 #endif
 405 #ifndef elf_backend_got_header_size
 406 #define elf_backend_got_header_size     0
 407 #endif
 408 #ifndef elf_backend_post_process_headers
 409 #define elf_backend_post_process_headers        NULL
 410 #endif
 411 #ifndef elf_backend_print_symbol_all
 412 #define elf_backend_print_symbol_all            NULL
 413 #endif
 414 #ifndef elf_backend_output_arch_local_syms
 415 #define elf_backend_output_arch_local_syms      NULL
 416 #endif
 417 #ifndef elf_backend_output_arch_syms
 418 #define elf_backend_output_arch_syms            NULL
 419 #endif
 420 #ifndef elf_backend_copy_indirect_symbol
 421 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
 422 #endif
 423 #ifndef elf_backend_hide_symbol
 424 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
 425 #endif
 426 #ifndef elf_backend_fixup_symbol
 427 #define elf_backend_fixup_symbol                NULL
 428 #endif
 429 #ifndef elf_backend_merge_symbol_attribute
 430 #define elf_backend_merge_symbol_attribute      NULL
 431 #endif
 432 #ifndef elf_backend_ignore_undef_symbol
 433 #define elf_backend_ignore_undef_symbol         NULL
 434 #endif
 435 #ifndef elf_backend_emit_relocs
 436 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
 437 #endif
 438 #ifndef elf_backend_count_relocs
 439 #define elf_backend_count_relocs                NULL
 440 #endif
 441 #ifndef elf_backend_grok_prstatus
 442 #define elf_backend_grok_prstatus               NULL
 443 #endif
 444 #ifndef elf_backend_grok_psinfo
 445 #define elf_backend_grok_psinfo                 NULL
 446 #endif
 447 #ifndef elf_backend_sprintf_vma
 448 #define elf_backend_sprintf_vma                 _bfd_elf_sprintf_vma
 449 #endif
 450 #ifndef elf_backend_fprintf_vma
 451 #define elf_backend_fprintf_vma                 _bfd_elf_fprintf_vma
 452 #endif
 453 #ifndef elf_backend_reloc_type_class
 454 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
 455 #endif
 456 #ifndef elf_backend_discard_info
 457 #define elf_backend_discard_info                NULL
 458 #endif
 459 #ifndef elf_backend_ignore_discarded_relocs
 460 #define elf_backend_ignore_discarded_relocs     NULL
 461 #endif
 462 #ifndef elf_backend_action_discarded
 463 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
 464 #endif
 465 #ifndef elf_backend_eh_frame_address_size
 466 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
 467 #endif
 468 #ifndef elf_backend_can_make_relative_eh_frame
 469 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
 470 #endif
 471 #ifndef elf_backend_can_make_lsda_relative_eh_frame
 472 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
 473 #endif
 474 #ifndef elf_backend_encode_eh_address
 475 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
 476 #endif
 477 #ifndef elf_backend_write_section
 478 #define elf_backend_write_section               NULL
 479 #endif
 480 #ifndef elf_backend_mips_irix_compat
 481 #define elf_backend_mips_irix_compat            NULL
 482 #endif
 483 #ifndef elf_backend_mips_rtype_to_howto
 484 #define elf_backend_mips_rtype_to_howto         NULL
 485 #endif
 486
 487 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
 488    sections, but not both.  They defined USE_REL to indicate SHT_REL
 489    sections, and left it undefined to indicated SHT_RELA sections.
 490    For backwards compatibility, we still support this usage.  */
 491 #ifndef USE_REL
 492 #define USE_REL 0
 493 #endif
 494
 495 /* Use these in new code.  */
 496 #ifndef elf_backend_may_use_rel_p
 497 #define elf_backend_may_use_rel_p USE_REL
 498 #endif
 499 #ifndef elf_backend_may_use_rela_p
 500 #define elf_backend_may_use_rela_p !USE_REL
 501 #endif
 502 #ifndef elf_backend_default_use_rela_p
 503 #define elf_backend_default_use_rela_p !USE_REL
 504 #endif
 505
 506 #ifndef elf_backend_rela_normal
 507 #define elf_backend_rela_normal 0
 508 #endif
 509
 510 #ifndef elf_backend_plt_sym_val
 511 #define elf_backend_plt_sym_val NULL
 512 #endif
 513 #ifndef elf_backend_relplt_name
 514 #define elf_backend_relplt_name NULL
 515 #endif
 516
 517 #ifndef ELF_MACHINE_ALT1
 518 #define ELF_MACHINE_ALT1 0
 519 #endif
 520
 521 #ifndef ELF_MACHINE_ALT2
 522 #define ELF_MACHINE_ALT2 0
 523 #endif
 524
 525 #ifndef elf_backend_size_info
 526 #define elf_backend_size_info _bfd_elfNN_size_info
 527 #endif
 528
 529 #ifndef elf_backend_special_sections
 530 #define elf_backend_special_sections NULL
 531 #endif
 532
 533 #ifndef elf_backend_sign_extend_vma
 534 #define elf_backend_sign_extend_vma 0
 535 #endif
 536
 537 #ifndef elf_backend_link_order_error_handler
 538 #define elf_backend_link_order_error_handler _bfd_default_error_handler
 539 #endif
 540
 541 #ifndef elf_backend_common_definition
 542 #define elf_backend_common_definition _bfd_elf_common_definition
 543 #endif
 544
 545 #ifndef elf_backend_common_section_index
 546 #define elf_backend_common_section_index _bfd_elf_common_section_index
 547 #endif
 548
 549 #ifndef elf_backend_common_section
 550 #define elf_backend_common_section _bfd_elf_common_section
 551 #endif
 552
 553 #ifndef elf_backend_merge_symbol
 554 #define elf_backend_merge_symbol NULL
 555 #endif
 556
 557 extern const struct elf_size_info _bfd_elfNN_size_info;
 558
 559 #ifndef INCLUDED_TARGET_FILE
 560 static const struct elf_backend_data elfNN_bed =
 561 {
 562   ELF_ARCH,                     /* arch */
 563   ELF_MACHINE_CODE,             /* elf_machine_code */
 564   ELF_MAXPAGESIZE,              /* maxpagesize */
 565   ELF_MINPAGESIZE,              /* minpagesize */
 566   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
 567   elf_info_to_howto,
 568   elf_info_to_howto_rel,
 569   elf_backend_sym_is_global,
 570   elf_backend_object_p,
 571   elf_backend_symbol_processing,
 572   elf_backend_symbol_table_processing,
 573   elf_backend_get_symbol_type,
 574   elf_backend_archive_symbol_lookup,
 575   elf_backend_name_local_section_symbols,
 576   elf_backend_section_processing,
 577   elf_backend_section_from_shdr,
 578   elf_backend_section_flags,
 579   elf_backend_get_sec_type_attr,
 580   elf_backend_section_from_phdr,
 581   elf_backend_fake_sections,
 582   elf_backend_section_from_bfd_section,
 583   elf_backend_add_symbol_hook,
 584   elf_backend_link_output_symbol_hook,
 585   elf_backend_create_dynamic_sections,
 586   elf_backend_omit_section_dynsym,
 587   elf_backend_check_relocs,
 588   elf_backend_check_directives,
 589   elf_backend_adjust_dynamic_symbol,
 590   elf_backend_always_size_sections,
 591   elf_backend_size_dynamic_sections,
 592   elf_backend_relocate_section,
 593   elf_backend_finish_dynamic_symbol,
 594   elf_backend_finish_dynamic_sections,
 595   elf_backend_begin_write_processing,
 596   elf_backend_final_write_processing,
 597   elf_backend_additional_program_headers,
 598   elf_backend_modify_segment_map,
 599   elf_backend_gc_mark_dynamic_ref,
 600   elf_backend_gc_mark_hook,
 601   elf_backend_gc_sweep_hook,
 602   elf_backend_post_process_headers,
 603   elf_backend_print_symbol_all,
 604   elf_backend_output_arch_local_syms,
 605   elf_backend_output_arch_syms,
 606   elf_backend_copy_indirect_symbol,
 607   elf_backend_hide_symbol,
 608   elf_backend_fixup_symbol,
 609   elf_backend_merge_symbol_attribute,
 610   elf_backend_ignore_undef_symbol,
 611   elf_backend_emit_relocs,
 612   elf_backend_count_relocs,
 613   elf_backend_grok_prstatus,
 614   elf_backend_grok_psinfo,
 615   elf_backend_sprintf_vma,
 616   elf_backend_fprintf_vma,
 617   elf_backend_reloc_type_class,
 618   elf_backend_discard_info,
 619   elf_backend_ignore_discarded_relocs,
 620   elf_backend_action_discarded,
 621   elf_backend_eh_frame_address_size,
 622   elf_backend_can_make_relative_eh_frame,
 623   elf_backend_can_make_lsda_relative_eh_frame,
 624   elf_backend_encode_eh_address,
 625   elf_backend_write_section,
 626   elf_backend_mips_irix_compat,
 627   elf_backend_mips_rtype_to_howto,
 628   elf_backend_ecoff_debug_swap,
 629   elf_backend_bfd_from_remote_memory,
 630   elf_backend_plt_sym_val,
 631   elf_backend_common_definition,
 632   elf_backend_common_section_index,
 633   elf_backend_common_section,
 634   elf_backend_merge_symbol,
 635   elf_backend_link_order_error_handler,
 636   elf_backend_relplt_name,
 637   ELF_MACHINE_ALT1,
 638   ELF_MACHINE_ALT2,
 639   &elf_backend_size_info,
 640   elf_backend_special_sections,
 641   elf_backend_got_header_size,
 642   elf_backend_collect,
 643   elf_backend_type_change_ok,
 644   elf_backend_may_use_rel_p,
 645   elf_backend_may_use_rela_p,
 646   elf_backend_default_use_rela_p,
 647   elf_backend_rela_normal,
 648   elf_backend_sign_extend_vma,
 649   elf_backend_want_got_plt,
 650   elf_backend_plt_readonly,
 651   elf_backend_want_plt_sym,
 652   elf_backend_plt_not_loaded,
 653   elf_backend_plt_alignment,
 654   elf_backend_can_gc_sections,
 655   elf_backend_can_refcount,
 656   elf_backend_want_got_sym,
 657   elf_backend_want_dynbss,
 658   elf_backend_want_p_paddr_set_to_zero
 659 };
 660 #endif
 661
 662 /* Forward declaration for use when initialising alternative_target field.  */
 663 #ifdef TARGET_LITTLE_SYM
 664 extern const bfd_target TARGET_LITTLE_SYM;
 665 #endif
 666
 667 #ifdef TARGET_BIG_SYM
 668 const bfd_target TARGET_BIG_SYM =
 669 {
 670   /* name: identify kind of target */
 671   TARGET_BIG_NAME,
 672
 673   /* flavour: general indication about file */
 674   bfd_target_elf_flavour,
 675
 676   /* byteorder: data is big endian */
 677   BFD_ENDIAN_BIG,
 678
 679   /* header_byteorder: header is also big endian */
 680   BFD_ENDIAN_BIG,
 681
 682   /* object_flags: mask of all file flags */
 683   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 684    | DYNAMIC | WP_TEXT | D_PAGED),
 685
 686   /* section_flags: mask of all section flags */
 687   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 688    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 689    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 690
 691    /* leading_symbol_char: is the first char of a user symbol
 692       predictable, and if so what is it */
 693   elf_symbol_leading_char,
 694
 695   /* ar_pad_char: pad character for filenames within an archive header
 696      FIXME:  this really has nothing to do with ELF, this is a characteristic
 697      of the archiver and/or os and should be independently tunable */
 698   '/',
 699
 700   /* ar_max_namelen: maximum number of characters in an archive header
 701      FIXME:  this really has nothing to do with ELF, this is a characteristic
 702      of the archiver and should be independently tunable.  The System V ABI,
 703      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 704   15,
 705
 706   /* Routines to byte-swap various sized integers from the data sections */
 707   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 708     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 709     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 710
 711   /* Routines to byte-swap various sized integers from the file headers */
 712   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 713     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 714     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 715
 716   /* bfd_check_format: check the format of a file being read */
 717   { _bfd_dummy_target,          /* unknown format */
 718     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 719     bfd_elfNN_archive_p,        /* an archive */
 720     bfd_elfNN_core_file_p       /* a core file */
 721   },
 722
 723   /* bfd_set_format: set the format of a file being written */
 724   { bfd_false,
 725     bfd_elfNN_mkobject,
 726     bfd_elfNN_mkarchive,
 727     bfd_elfNN_mkcorefile
 728   },
 729
 730   /* bfd_write_contents: write cached information into a file being written */
 731   { bfd_false,
 732     bfd_elfNN_write_object_contents,
 733     bfd_elfNN_write_archive_contents,
 734     bfd_elfNN_write_corefile_contents,
 735   },
 736
 737   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 738   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 739   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 740 #ifdef bfd_elfNN_archive_functions
 741   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 742 #else
 743   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 744 #endif
 745   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 746   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 747   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 748   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 749   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 750
 751   /* Alternative endian target.  */
 752 #ifdef TARGET_LITTLE_SYM
 753   & TARGET_LITTLE_SYM,
 754 #else
 755   NULL,
 756 #endif
 757
 758   /* backend_data: */
 759   &elfNN_bed
 760 };
 761 #endif
 762
 763 #ifdef TARGET_LITTLE_SYM
 764 const bfd_target TARGET_LITTLE_SYM =
 765 {
 766   /* name: identify kind of target */
 767   TARGET_LITTLE_NAME,
 768
 769   /* flavour: general indication about file */
 770   bfd_target_elf_flavour,
 771
 772   /* byteorder: data is little endian */
 773   BFD_ENDIAN_LITTLE,
 774
 775   /* header_byteorder: header is also little endian */
 776   BFD_ENDIAN_LITTLE,
 777
 778   /* object_flags: mask of all file flags */
 779   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 780    | DYNAMIC | WP_TEXT | D_PAGED),
 781
 782   /* section_flags: mask of all section flags */
 783   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 784    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 785    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 786
 787    /* leading_symbol_char: is the first char of a user symbol
 788       predictable, and if so what is it */
 789   elf_symbol_leading_char,
 790
 791   /* ar_pad_char: pad character for filenames within an archive header
 792      FIXME:  this really has nothing to do with ELF, this is a characteristic
 793      of the archiver and/or os and should be independently tunable */
 794   '/',
 795
 796   /* ar_max_namelen: maximum number of characters in an archive header
 797      FIXME:  this really has nothing to do with ELF, this is a characteristic
 798      of the archiver and should be independently tunable.  The System V ABI,
 799      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 800   15,
 801
 802   /* Routines to byte-swap various sized integers from the data sections */
 803   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 804     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 805     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 806
 807   /* Routines to byte-swap various sized integers from the file headers */
 808   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 809     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 810     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 811
 812   /* bfd_check_format: check the format of a file being read */
 813   { _bfd_dummy_target,          /* unknown format */
 814     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 815     bfd_elfNN_archive_p,        /* an archive */
 816     bfd_elfNN_core_file_p       /* a core file */
 817   },
 818
 819   /* bfd_set_format: set the format of a file being written */
 820   { bfd_false,
 821     bfd_elfNN_mkobject,
 822     bfd_elfNN_mkarchive,
 823     bfd_elfNN_mkcorefile
 824   },
 825
 826   /* bfd_write_contents: write cached information into a file being written */
 827   { bfd_false,
 828     bfd_elfNN_write_object_contents,
 829     bfd_elfNN_write_archive_contents,
 830     bfd_elfNN_write_corefile_contents,
 831   },
 832
 833   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 834   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 835   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 836 #ifdef bfd_elfNN_archive_functions
 837   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 838 #else
 839   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 840 #endif
 841   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 842   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 843   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 844   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 845   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 846
 847   /* Alternative endian target.  */
 848 #ifdef TARGET_BIG_SYM
 849   & TARGET_BIG_SYM,
 850 #else
 851   NULL,
 852 #endif
 853
 854   /* backend_data: */
 855   &elfNN_bed
 856 };
 857 #endif