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