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, 2007, 2008, 2009, 2010, 2011, 2012
   4    Free Software Foundation, Inc.
   5
   6    This file is part of BFD, the Binary File Descriptor library.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  21    MA 02110-1301, USA.  */
  22
  23
  24 /* This structure contains everything that BFD knows about a target.
  25    It includes things like its byte order, name, what routines to call
  26    to do various operations, etc.  Every BFD points to a target structure
  27    with its "xvec" member.
  28
  29    There are two such structures here:  one for big-endian machines and
  30    one for little-endian machines.   */
  31
  32 #ifndef bfd_elfNN_close_and_cleanup
  33 #define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup
  34 #endif
  35 #ifndef bfd_elfNN_bfd_free_cached_info
  36 #define bfd_elfNN_bfd_free_cached_info _bfd_free_cached_info
  37 #endif
  38 #ifndef bfd_elfNN_get_section_contents
  39 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
  40 #endif
  41
  42 #define bfd_elfNN_canonicalize_dynamic_symtab \
  43   _bfd_elf_canonicalize_dynamic_symtab
  44 #ifndef bfd_elfNN_get_synthetic_symtab
  45 #define bfd_elfNN_get_synthetic_symtab \
  46   _bfd_elf_get_synthetic_symtab
  47 #endif
  48 #ifndef bfd_elfNN_canonicalize_reloc
  49 #define bfd_elfNN_canonicalize_reloc    _bfd_elf_canonicalize_reloc
  50 #endif
  51 #ifndef bfd_elfNN_find_nearest_line
  52 #define bfd_elfNN_find_nearest_line     _bfd_elf_find_nearest_line
  53 #endif
  54 #ifndef bfd_elfNN_find_inliner_info
  55 #define bfd_elfNN_find_inliner_info     _bfd_elf_find_inliner_info
  56 #endif
  57 #define bfd_elfNN_read_minisymbols      _bfd_elf_read_minisymbols
  58 #define bfd_elfNN_minisymbol_to_symbol  _bfd_elf_minisymbol_to_symbol
  59 #define bfd_elfNN_get_dynamic_symtab_upper_bound \
  60   _bfd_elf_get_dynamic_symtab_upper_bound
  61 #define bfd_elfNN_get_lineno            _bfd_elf_get_lineno
  62 #ifndef bfd_elfNN_get_reloc_upper_bound
  63 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
  64 #endif
  65 #ifndef bfd_elfNN_get_symbol_info
  66 #define bfd_elfNN_get_symbol_info       _bfd_elf_get_symbol_info
  67 #endif
  68 #define bfd_elfNN_canonicalize_symtab   _bfd_elf_canonicalize_symtab
  69 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
  70 #define bfd_elfNN_make_empty_symbol     _bfd_elf_make_empty_symbol
  71 #ifndef bfd_elfNN_new_section_hook
  72 #define bfd_elfNN_new_section_hook      _bfd_elf_new_section_hook
  73 #endif
  74 #define bfd_elfNN_set_arch_mach         _bfd_elf_set_arch_mach
  75 #ifndef bfd_elfNN_set_section_contents
  76 #define bfd_elfNN_set_section_contents  _bfd_elf_set_section_contents
  77 #endif
  78 #define bfd_elfNN_sizeof_headers        _bfd_elf_sizeof_headers
  79 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
  80 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
  81
  82 #define bfd_elfNN_get_section_contents_in_window \
  83   _bfd_generic_get_section_contents_in_window
  84
  85 #ifndef elf_backend_can_refcount
  86 #define elf_backend_can_refcount 0
  87 #endif
  88 #ifndef elf_backend_want_got_plt
  89 #define elf_backend_want_got_plt 0
  90 #endif
  91 #ifndef elf_backend_plt_readonly
  92 #define elf_backend_plt_readonly 0
  93 #endif
  94 #ifndef elf_backend_want_plt_sym
  95 #define elf_backend_want_plt_sym 0
  96 #endif
  97 #ifndef elf_backend_plt_not_loaded
  98 #define elf_backend_plt_not_loaded 0
  99 #endif
 100 #ifndef elf_backend_plt_alignment
 101 #define elf_backend_plt_alignment 2
 102 #endif
 103 #ifndef elf_backend_want_dynbss
 104 #define elf_backend_want_dynbss 1
 105 #endif
 106 #ifndef elf_backend_want_p_paddr_set_to_zero
 107 #define elf_backend_want_p_paddr_set_to_zero 0
 108 #endif
 109 #ifndef elf_backend_default_execstack
 110 #define elf_backend_default_execstack 1
 111 #endif
 112 #ifndef elf_backend_stack_align
 113 #define elf_backend_stack_align 16
 114 #endif
 115
 116 #define bfd_elfNN_bfd_debug_info_start  bfd_void
 117 #define bfd_elfNN_bfd_debug_info_end    bfd_void
 118 #define bfd_elfNN_bfd_debug_info_accumulate \
 119   ((void (*) (bfd*, struct bfd_section *)) bfd_void)
 120
 121 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
 122 #define bfd_elfNN_bfd_get_relocated_section_contents \
 123   bfd_generic_get_relocated_section_contents
 124 #endif
 125
 126 #ifndef bfd_elfNN_bfd_relax_section
 127 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
 128 #endif
 129
 130 #ifndef elf_backend_can_gc_sections
 131 #define elf_backend_can_gc_sections 0
 132 #endif
 133 #ifndef elf_backend_can_refcount
 134 #define elf_backend_can_refcount 0
 135 #endif
 136 #ifndef elf_backend_want_got_sym
 137 #define elf_backend_want_got_sym 1
 138 #endif
 139 #ifndef elf_backend_gc_keep
 140 #define elf_backend_gc_keep             _bfd_elf_gc_keep
 141 #endif
 142 #ifndef elf_backend_gc_mark_dynamic_ref
 143 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
 144 #endif
 145 #ifndef elf_backend_gc_mark_hook
 146 #define elf_backend_gc_mark_hook        _bfd_elf_gc_mark_hook
 147 #endif
 148 #ifndef elf_backend_gc_mark_extra_sections
 149 #define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections
 150 #endif
 151 #ifndef elf_backend_gc_sweep_hook
 152 #define elf_backend_gc_sweep_hook       NULL
 153 #endif
 154 #ifndef bfd_elfNN_bfd_gc_sections
 155 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
 156 #endif
 157
 158 #ifndef bfd_elfNN_bfd_merge_sections
 159 #define bfd_elfNN_bfd_merge_sections \
 160   _bfd_elf_merge_sections
 161 #endif
 162
 163 #ifndef bfd_elfNN_bfd_is_group_section
 164 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
 165 #endif
 166
 167 #ifndef bfd_elfNN_bfd_discard_group
 168 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
 169 #endif
 170
 171 #ifndef bfd_elfNN_section_already_linked
 172 #define bfd_elfNN_section_already_linked \
 173   _bfd_elf_section_already_linked
 174 #endif
 175
 176 #ifndef bfd_elfNN_bfd_define_common_symbol
 177 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol
 178 #endif
 179
 180 #ifndef bfd_elfNN_bfd_lookup_section_flags
 181 #define bfd_elfNN_bfd_lookup_section_flags bfd_elf_lookup_section_flags
 182 #endif
 183
 184 #ifndef bfd_elfNN_bfd_make_debug_symbol
 185 #define bfd_elfNN_bfd_make_debug_symbol \
 186   ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
 187 #endif
 188
 189 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
 190 #define bfd_elfNN_bfd_copy_private_symbol_data \
 191   _bfd_elf_copy_private_symbol_data
 192 #endif
 193
 194 #ifndef bfd_elfNN_bfd_copy_private_section_data
 195 #define bfd_elfNN_bfd_copy_private_section_data \
 196   _bfd_elf_copy_private_section_data
 197 #endif
 198 #ifndef bfd_elfNN_bfd_copy_private_header_data
 199 #define bfd_elfNN_bfd_copy_private_header_data \
 200   _bfd_elf_copy_private_header_data
 201 #endif
 202 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
 203 #define bfd_elfNN_bfd_copy_private_bfd_data \
 204   _bfd_elf_copy_private_bfd_data
 205 #endif
 206 #ifndef bfd_elfNN_bfd_print_private_bfd_data
 207 #define bfd_elfNN_bfd_print_private_bfd_data \
 208   _bfd_elf_print_private_bfd_data
 209 #endif
 210 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
 211 #define bfd_elfNN_bfd_merge_private_bfd_data \
 212   ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
 213 #endif
 214 #ifndef bfd_elfNN_bfd_set_private_flags
 215 #define bfd_elfNN_bfd_set_private_flags \
 216   ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
 217 #endif
 218 #ifndef bfd_elfNN_bfd_is_local_label_name
 219 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
 220 #endif
 221 #ifndef bfd_elfNN_bfd_is_target_special_symbol
 222 #define bfd_elfNN_bfd_is_target_special_symbol \
 223   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
 224 #endif
 225
 226 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
 227 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
 228   _bfd_elf_get_dynamic_reloc_upper_bound
 229 #endif
 230 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
 231 #define bfd_elfNN_canonicalize_dynamic_reloc \
 232   _bfd_elf_canonicalize_dynamic_reloc
 233 #endif
 234
 235 #ifndef bfd_elfNN_bfd_link_hash_table_free
 236 #define bfd_elfNN_bfd_link_hash_table_free _bfd_elf_link_hash_table_free
 237 #endif
 238
 239 #ifdef elf_backend_relocate_section
 240 #ifndef bfd_elfNN_bfd_link_hash_table_create
 241 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
 242 #endif
 243 #ifndef bfd_elfNN_bfd_link_add_symbols
 244 #define bfd_elfNN_bfd_link_add_symbols  bfd_elf_link_add_symbols
 245 #endif
 246 #ifndef bfd_elfNN_bfd_final_link
 247 #define bfd_elfNN_bfd_final_link        bfd_elf_final_link
 248 #endif
 249 #else /* ! defined (elf_backend_relocate_section) */
 250 /* If no backend relocate_section routine, use the generic linker.
 251    Note - this will prevent the port from being able to use some of
 252    the other features of the ELF linker, because the generic hash structure
 253    does not have the fields needed by the ELF linker.  In particular it
 254    means that linking directly to S-records will not work.  */
 255 #ifndef bfd_elfNN_bfd_link_hash_table_create
 256 #define bfd_elfNN_bfd_link_hash_table_create \
 257   _bfd_generic_link_hash_table_create
 258 #endif
 259 #ifndef bfd_elfNN_bfd_link_add_symbols
 260 #define bfd_elfNN_bfd_link_add_symbols  _bfd_generic_link_add_symbols
 261 #endif
 262 #ifndef bfd_elfNN_bfd_final_link
 263 #define bfd_elfNN_bfd_final_link        _bfd_generic_final_link
 264 #endif
 265 #endif /* ! defined (elf_backend_relocate_section) */
 266
 267 #ifndef bfd_elfNN_bfd_link_just_syms
 268 #define bfd_elfNN_bfd_link_just_syms    _bfd_elf_link_just_syms
 269 #endif
 270
 271 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
 272 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
 273   _bfd_elf_copy_link_hash_symbol_type
 274 #endif
 275
 276 #ifndef bfd_elfNN_bfd_link_split_section
 277 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
 278 #endif
 279
 280 #ifndef bfd_elfNN_archive_p
 281 #define bfd_elfNN_archive_p bfd_generic_archive_p
 282 #endif
 283
 284 #ifndef bfd_elfNN_write_archive_contents
 285 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
 286 #endif
 287
 288 #ifndef bfd_elfNN_mkobject
 289 #define bfd_elfNN_mkobject bfd_elf_make_object
 290 #endif
 291
 292 #ifndef bfd_elfNN_mkcorefile
 293 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
 294 #endif
 295
 296 #ifndef bfd_elfNN_mkarchive
 297 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
 298 #endif
 299
 300 #ifndef bfd_elfNN_print_symbol
 301 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
 302 #endif
 303
 304 #ifndef elf_symbol_leading_char
 305 #define elf_symbol_leading_char 0
 306 #endif
 307
 308 #ifndef elf_info_to_howto
 309 #define elf_info_to_howto 0
 310 #endif
 311
 312 #ifndef elf_info_to_howto_rel
 313 #define elf_info_to_howto_rel 0
 314 #endif
 315
 316 #ifndef elf_backend_arch_data
 317 #define elf_backend_arch_data NULL
 318 #endif
 319
 320 #ifndef ELF_TARGET_ID
 321 #define ELF_TARGET_ID   GENERIC_ELF_DATA
 322 #endif
 323
 324 #ifndef ELF_OSABI
 325 #define ELF_OSABI ELFOSABI_NONE
 326 #endif
 327
 328 #ifndef ELF_MAXPAGESIZE
 329 # error ELF_MAXPAGESIZE is not defined
 330 #define ELF_MAXPAGESIZE 1
 331 #endif
 332
 333 #ifndef ELF_COMMONPAGESIZE
 334 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
 335 #endif
 336
 337 #ifndef ELF_MINPAGESIZE
 338 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
 339 #endif
 340
 341 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
 342 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
 343 #endif
 344 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
 345 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
 346 #endif
 347
 348 #ifndef ELF_DYNAMIC_SEC_FLAGS
 349 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
 350 #define ELF_DYNAMIC_SEC_FLAGS                   \
 351   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
 352    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
 353 #endif
 354
 355 #ifndef elf_backend_collect
 356 #define elf_backend_collect FALSE
 357 #endif
 358 #ifndef elf_backend_type_change_ok
 359 #define elf_backend_type_change_ok FALSE
 360 #endif
 361
 362 #ifndef elf_backend_sym_is_global
 363 #define elf_backend_sym_is_global       0
 364 #endif
 365 #ifndef elf_backend_object_p
 366 #define elf_backend_object_p            0
 367 #endif
 368 #ifndef elf_backend_symbol_processing
 369 #define elf_backend_symbol_processing   0
 370 #endif
 371 #ifndef elf_backend_symbol_table_processing
 372 #define elf_backend_symbol_table_processing     0
 373 #endif
 374 #ifndef elf_backend_get_symbol_type
 375 #define elf_backend_get_symbol_type 0
 376 #endif
 377 #ifndef elf_backend_archive_symbol_lookup
 378 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
 379 #endif
 380 #ifndef elf_backend_name_local_section_symbols
 381 #define elf_backend_name_local_section_symbols  0
 382 #endif
 383 #ifndef elf_backend_section_processing
 384 #define elf_backend_section_processing  0
 385 #endif
 386 #ifndef elf_backend_section_from_shdr
 387 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
 388 #endif
 389 #ifndef elf_backend_section_flags
 390 #define elf_backend_section_flags       0
 391 #endif
 392 #ifndef elf_backend_get_sec_type_attr
 393 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
 394 #endif
 395 #ifndef elf_backend_section_from_phdr
 396 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
 397 #endif
 398 #ifndef elf_backend_fake_sections
 399 #define elf_backend_fake_sections       0
 400 #endif
 401 #ifndef elf_backend_section_from_bfd_section
 402 #define elf_backend_section_from_bfd_section    0
 403 #endif
 404 #ifndef elf_backend_add_symbol_hook
 405 #define elf_backend_add_symbol_hook     0
 406 #endif
 407 #ifndef elf_backend_link_output_symbol_hook
 408 #define elf_backend_link_output_symbol_hook 0
 409 #endif
 410 #ifndef elf_backend_create_dynamic_sections
 411 #define elf_backend_create_dynamic_sections 0
 412 #endif
 413 #ifndef elf_backend_omit_section_dynsym
 414 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
 415 #endif
 416 #ifndef elf_backend_relocs_compatible
 417 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
 418 #endif
 419 #ifndef elf_backend_check_relocs
 420 #define elf_backend_check_relocs        0
 421 #endif
 422 #ifndef elf_backend_check_directives
 423 #define elf_backend_check_directives    0
 424 #endif
 425 #ifndef elf_backend_as_needed_cleanup
 426 #define elf_backend_as_needed_cleanup   0
 427 #endif
 428 #ifndef elf_backend_adjust_dynamic_symbol
 429 #define elf_backend_adjust_dynamic_symbol 0
 430 #endif
 431 #ifndef elf_backend_always_size_sections
 432 #define elf_backend_always_size_sections 0
 433 #endif
 434 #ifndef elf_backend_size_dynamic_sections
 435 #define elf_backend_size_dynamic_sections 0
 436 #endif
 437 #ifndef elf_backend_init_index_section
 438 #define elf_backend_init_index_section \
 439  ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
 440 #endif
 441 #ifndef elf_backend_relocate_section
 442 #define elf_backend_relocate_section    0
 443 #endif
 444 #ifndef elf_backend_finish_dynamic_symbol
 445 #define elf_backend_finish_dynamic_symbol       0
 446 #endif
 447 #ifndef elf_backend_finish_dynamic_sections
 448 #define elf_backend_finish_dynamic_sections     0
 449 #endif
 450 #ifndef elf_backend_begin_write_processing
 451 #define elf_backend_begin_write_processing      0
 452 #endif
 453 #ifndef elf_backend_final_write_processing
 454 #define elf_backend_final_write_processing      0
 455 #endif
 456 #ifndef elf_backend_additional_program_headers
 457 #define elf_backend_additional_program_headers  0
 458 #endif
 459 #ifndef elf_backend_modify_segment_map
 460 #define elf_backend_modify_segment_map  0
 461 #endif
 462 #ifndef elf_backend_modify_program_headers
 463 #define elf_backend_modify_program_headers      0
 464 #endif
 465 #ifndef elf_backend_ecoff_debug_swap
 466 #define elf_backend_ecoff_debug_swap    0
 467 #endif
 468 #ifndef elf_backend_bfd_from_remote_memory
 469 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
 470 #endif
 471 #ifndef elf_backend_got_header_size
 472 #define elf_backend_got_header_size     0
 473 #endif
 474 #ifndef elf_backend_got_elt_size
 475 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
 476 #endif
 477 #ifndef elf_backend_obj_attrs_vendor
 478 #define elf_backend_obj_attrs_vendor            NULL
 479 #endif
 480 #ifndef elf_backend_obj_attrs_section
 481 #define elf_backend_obj_attrs_section           NULL
 482 #endif
 483 #ifndef elf_backend_obj_attrs_arg_type
 484 #define elf_backend_obj_attrs_arg_type          NULL
 485 #endif
 486 #ifndef elf_backend_obj_attrs_section_type
 487 #define elf_backend_obj_attrs_section_type              SHT_GNU_ATTRIBUTES
 488 #endif
 489 #ifndef elf_backend_obj_attrs_order
 490 #define elf_backend_obj_attrs_order             NULL
 491 #endif
 492 #ifndef elf_backend_obj_attrs_handle_unknown
 493 #define elf_backend_obj_attrs_handle_unknown    NULL
 494 #endif
 495 #ifndef elf_backend_static_tls_alignment
 496 #define elf_backend_static_tls_alignment        1
 497 #endif
 498 #ifndef elf_backend_post_process_headers
 499 #define elf_backend_post_process_headers        NULL
 500 #endif
 501 #ifndef elf_backend_print_symbol_all
 502 #define elf_backend_print_symbol_all            NULL
 503 #endif
 504 #ifndef elf_backend_output_arch_local_syms
 505 #define elf_backend_output_arch_local_syms      NULL
 506 #endif
 507 #ifndef elf_backend_output_arch_syms
 508 #define elf_backend_output_arch_syms            NULL
 509 #endif
 510 #ifndef elf_backend_copy_indirect_symbol
 511 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
 512 #endif
 513 #ifndef elf_backend_hide_symbol
 514 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
 515 #endif
 516 #ifndef elf_backend_fixup_symbol
 517 #define elf_backend_fixup_symbol                NULL
 518 #endif
 519 #ifndef elf_backend_merge_symbol_attribute
 520 #define elf_backend_merge_symbol_attribute      NULL
 521 #endif
 522 #ifndef elf_backend_get_target_dtag
 523 #define elf_backend_get_target_dtag             NULL
 524 #endif
 525 #ifndef elf_backend_ignore_undef_symbol
 526 #define elf_backend_ignore_undef_symbol         NULL
 527 #endif
 528 #ifndef elf_backend_emit_relocs
 529 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
 530 #endif
 531 #ifndef elf_backend_count_relocs
 532 #define elf_backend_count_relocs                NULL
 533 #endif
 534 #ifndef elf_backend_grok_prstatus
 535 #define elf_backend_grok_prstatus               NULL
 536 #endif
 537 #ifndef elf_backend_grok_psinfo
 538 #define elf_backend_grok_psinfo                 NULL
 539 #endif
 540 #ifndef elf_backend_write_core_note
 541 #define elf_backend_write_core_note             NULL
 542 #endif
 543 #ifndef elf_backend_lookup_section_flags_hook
 544 #define elf_backend_lookup_section_flags_hook   NULL
 545 #endif
 546 #ifndef elf_backend_reloc_type_class
 547 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
 548 #endif
 549 #ifndef elf_backend_discard_info
 550 #define elf_backend_discard_info                NULL
 551 #endif
 552 #ifndef elf_backend_ignore_discarded_relocs
 553 #define elf_backend_ignore_discarded_relocs     NULL
 554 #endif
 555 #ifndef elf_backend_action_discarded
 556 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
 557 #endif
 558 #ifndef elf_backend_eh_frame_address_size
 559 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
 560 #endif
 561 #ifndef elf_backend_can_make_relative_eh_frame
 562 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
 563 #endif
 564 #ifndef elf_backend_can_make_lsda_relative_eh_frame
 565 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
 566 #endif
 567 #ifndef elf_backend_encode_eh_address
 568 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
 569 #endif
 570 #ifndef elf_backend_write_section
 571 #define elf_backend_write_section               NULL
 572 #endif
 573 #ifndef elf_backend_mips_irix_compat
 574 #define elf_backend_mips_irix_compat            NULL
 575 #endif
 576 #ifndef elf_backend_mips_rtype_to_howto
 577 #define elf_backend_mips_rtype_to_howto         NULL
 578 #endif
 579
 580 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
 581    sections, but not both.  They defined USE_REL to indicate SHT_REL
 582    sections, and left it undefined to indicated SHT_RELA sections.
 583    For backwards compatibility, we still support this usage.  */
 584 #ifndef USE_REL
 585 #define USE_REL 0
 586 #endif
 587
 588 /* Use these in new code.  */
 589 #ifndef elf_backend_may_use_rel_p
 590 #define elf_backend_may_use_rel_p USE_REL
 591 #endif
 592 #ifndef elf_backend_may_use_rela_p
 593 #define elf_backend_may_use_rela_p !USE_REL
 594 #endif
 595 #ifndef elf_backend_default_use_rela_p
 596 #define elf_backend_default_use_rela_p !USE_REL
 597 #endif
 598 #ifndef elf_backend_rela_plts_and_copies_p
 599 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
 600 #endif
 601
 602 #ifndef elf_backend_rela_normal
 603 #define elf_backend_rela_normal 0
 604 #endif
 605
 606 #ifndef elf_backend_plt_sym_val
 607 #define elf_backend_plt_sym_val NULL
 608 #endif
 609 #ifndef elf_backend_relplt_name
 610 #define elf_backend_relplt_name NULL
 611 #endif
 612
 613 #ifndef ELF_MACHINE_ALT1
 614 #define ELF_MACHINE_ALT1 0
 615 #endif
 616
 617 #ifndef ELF_MACHINE_ALT2
 618 #define ELF_MACHINE_ALT2 0
 619 #endif
 620
 621 #ifndef elf_backend_size_info
 622 #define elf_backend_size_info _bfd_elfNN_size_info
 623 #endif
 624
 625 #ifndef elf_backend_special_sections
 626 #define elf_backend_special_sections NULL
 627 #endif
 628
 629 #ifndef elf_backend_sign_extend_vma
 630 #define elf_backend_sign_extend_vma 0
 631 #endif
 632
 633 #ifndef elf_backend_link_order_error_handler
 634 #define elf_backend_link_order_error_handler _bfd_default_error_handler
 635 #endif
 636
 637 #ifndef elf_backend_common_definition
 638 #define elf_backend_common_definition _bfd_elf_common_definition
 639 #endif
 640
 641 #ifndef elf_backend_common_section_index
 642 #define elf_backend_common_section_index _bfd_elf_common_section_index
 643 #endif
 644
 645 #ifndef elf_backend_common_section
 646 #define elf_backend_common_section _bfd_elf_common_section
 647 #endif
 648
 649 #ifndef elf_backend_merge_symbol
 650 #define elf_backend_merge_symbol NULL
 651 #endif
 652
 653 #ifndef elf_backend_hash_symbol
 654 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
 655 #endif
 656
 657 #ifndef elf_backend_is_function_type
 658 #define elf_backend_is_function_type _bfd_elf_is_function_type
 659 #endif
 660
 661 #ifndef elf_backend_maybe_function_sym
 662 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
 663 #endif
 664
 665 #ifndef elf_match_priority
 666 #define elf_match_priority \
 667   (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
 668 #endif
 669
 670 extern const struct elf_size_info _bfd_elfNN_size_info;
 671
 672 static struct elf_backend_data elfNN_bed =
 673 {
 674   ELF_ARCH,                     /* arch */
 675   ELF_TARGET_ID,                /* target_id */
 676   ELF_MACHINE_CODE,             /* elf_machine_code */
 677   ELF_OSABI,                    /* elf_osabi  */
 678   ELF_MAXPAGESIZE,              /* maxpagesize */
 679   ELF_MINPAGESIZE,              /* minpagesize */
 680   ELF_COMMONPAGESIZE,           /* commonpagesize */
 681   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
 682   elf_backend_arch_data,
 683   elf_info_to_howto,
 684   elf_info_to_howto_rel,
 685   elf_backend_sym_is_global,
 686   elf_backend_object_p,
 687   elf_backend_symbol_processing,
 688   elf_backend_symbol_table_processing,
 689   elf_backend_get_symbol_type,
 690   elf_backend_archive_symbol_lookup,
 691   elf_backend_name_local_section_symbols,
 692   elf_backend_section_processing,
 693   elf_backend_section_from_shdr,
 694   elf_backend_section_flags,
 695   elf_backend_get_sec_type_attr,
 696   elf_backend_section_from_phdr,
 697   elf_backend_fake_sections,
 698   elf_backend_section_from_bfd_section,
 699   elf_backend_add_symbol_hook,
 700   elf_backend_link_output_symbol_hook,
 701   elf_backend_create_dynamic_sections,
 702   elf_backend_omit_section_dynsym,
 703   elf_backend_relocs_compatible,
 704   elf_backend_check_relocs,
 705   elf_backend_check_directives,
 706   elf_backend_as_needed_cleanup,
 707   elf_backend_adjust_dynamic_symbol,
 708   elf_backend_always_size_sections,
 709   elf_backend_size_dynamic_sections,
 710   elf_backend_init_index_section,
 711   elf_backend_relocate_section,
 712   elf_backend_finish_dynamic_symbol,
 713   elf_backend_finish_dynamic_sections,
 714   elf_backend_begin_write_processing,
 715   elf_backend_final_write_processing,
 716   elf_backend_additional_program_headers,
 717   elf_backend_modify_segment_map,
 718   elf_backend_modify_program_headers,
 719   elf_backend_gc_keep,
 720   elf_backend_gc_mark_dynamic_ref,
 721   elf_backend_gc_mark_hook,
 722   elf_backend_gc_mark_extra_sections,
 723   elf_backend_gc_sweep_hook,
 724   elf_backend_post_process_headers,
 725   elf_backend_print_symbol_all,
 726   elf_backend_output_arch_local_syms,
 727   elf_backend_output_arch_syms,
 728   elf_backend_copy_indirect_symbol,
 729   elf_backend_hide_symbol,
 730   elf_backend_fixup_symbol,
 731   elf_backend_merge_symbol_attribute,
 732   elf_backend_get_target_dtag,
 733   elf_backend_ignore_undef_symbol,
 734   elf_backend_emit_relocs,
 735   elf_backend_count_relocs,
 736   elf_backend_grok_prstatus,
 737   elf_backend_grok_psinfo,
 738   elf_backend_write_core_note,
 739   elf_backend_lookup_section_flags_hook,
 740   elf_backend_reloc_type_class,
 741   elf_backend_discard_info,
 742   elf_backend_ignore_discarded_relocs,
 743   elf_backend_action_discarded,
 744   elf_backend_eh_frame_address_size,
 745   elf_backend_can_make_relative_eh_frame,
 746   elf_backend_can_make_lsda_relative_eh_frame,
 747   elf_backend_encode_eh_address,
 748   elf_backend_write_section,
 749   elf_backend_mips_irix_compat,
 750   elf_backend_mips_rtype_to_howto,
 751   elf_backend_ecoff_debug_swap,
 752   elf_backend_bfd_from_remote_memory,
 753   elf_backend_plt_sym_val,
 754   elf_backend_common_definition,
 755   elf_backend_common_section_index,
 756   elf_backend_common_section,
 757   elf_backend_merge_symbol,
 758   elf_backend_hash_symbol,
 759   elf_backend_is_function_type,
 760   elf_backend_maybe_function_sym,
 761   elf_backend_link_order_error_handler,
 762   elf_backend_relplt_name,
 763   ELF_MACHINE_ALT1,
 764   ELF_MACHINE_ALT2,
 765   &elf_backend_size_info,
 766   elf_backend_special_sections,
 767   elf_backend_got_header_size,
 768   elf_backend_got_elt_size,
 769   elf_backend_obj_attrs_vendor,
 770   elf_backend_obj_attrs_section,
 771   elf_backend_obj_attrs_arg_type,
 772   elf_backend_obj_attrs_section_type,
 773   elf_backend_obj_attrs_order,
 774   elf_backend_obj_attrs_handle_unknown,
 775   elf_backend_static_tls_alignment,
 776   elf_backend_stack_align,
 777   elf_backend_collect,
 778   elf_backend_type_change_ok,
 779   elf_backend_may_use_rel_p,
 780   elf_backend_may_use_rela_p,
 781   elf_backend_default_use_rela_p,
 782   elf_backend_rela_plts_and_copies_p,
 783   elf_backend_rela_normal,
 784   elf_backend_sign_extend_vma,
 785   elf_backend_want_got_plt,
 786   elf_backend_plt_readonly,
 787   elf_backend_want_plt_sym,
 788   elf_backend_plt_not_loaded,
 789   elf_backend_plt_alignment,
 790   elf_backend_can_gc_sections,
 791   elf_backend_can_refcount,
 792   elf_backend_want_got_sym,
 793   elf_backend_want_dynbss,
 794   elf_backend_want_p_paddr_set_to_zero,
 795   elf_backend_default_execstack
 796 };
 797
 798 /* Forward declaration for use when initialising alternative_target field.  */
 799 #ifdef TARGET_LITTLE_SYM
 800 extern const bfd_target TARGET_LITTLE_SYM;
 801 #endif
 802
 803 #ifdef TARGET_BIG_SYM
 804 const bfd_target TARGET_BIG_SYM =
 805 {
 806   /* name: identify kind of target */
 807   TARGET_BIG_NAME,
 808
 809   /* flavour: general indication about file */
 810   bfd_target_elf_flavour,
 811
 812   /* byteorder: data is big endian */
 813   BFD_ENDIAN_BIG,
 814
 815   /* header_byteorder: header is also big endian */
 816   BFD_ENDIAN_BIG,
 817
 818   /* object_flags: mask of all file flags */
 819   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 820    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS),
 821
 822   /* section_flags: mask of all section flags */
 823   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 824    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 825    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 826
 827    /* leading_symbol_char: is the first char of a user symbol
 828       predictable, and if so what is it */
 829   elf_symbol_leading_char,
 830
 831   /* ar_pad_char: pad character for filenames within an archive header
 832      FIXME:  this really has nothing to do with ELF, this is a characteristic
 833      of the archiver and/or os and should be independently tunable */
 834   '/',
 835
 836   /* ar_max_namelen: maximum number of characters in an archive header
 837      FIXME:  this really has nothing to do with ELF, this is a characteristic
 838      of the archiver and should be independently tunable.  The System V ABI,
 839      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 840   15,
 841
 842   elf_match_priority,
 843
 844   /* Routines to byte-swap various sized integers from the data sections */
 845   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 846     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 847     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 848
 849   /* Routines to byte-swap various sized integers from the file headers */
 850   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 851     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 852     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 853
 854   /* bfd_check_format: check the format of a file being read */
 855   { _bfd_dummy_target,          /* unknown format */
 856     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 857     bfd_elfNN_archive_p,        /* an archive */
 858     bfd_elfNN_core_file_p       /* a core file */
 859   },
 860
 861   /* bfd_set_format: set the format of a file being written */
 862   { bfd_false,
 863     bfd_elfNN_mkobject,
 864     bfd_elfNN_mkarchive,
 865     bfd_elfNN_mkcorefile
 866   },
 867
 868   /* bfd_write_contents: write cached information into a file being written */
 869   { bfd_false,
 870     bfd_elfNN_write_object_contents,
 871     bfd_elfNN_write_archive_contents,
 872     bfd_elfNN_write_corefile_contents,
 873   },
 874
 875   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 876   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 877   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 878 #ifdef bfd_elfNN_archive_functions
 879   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 880 #else
 881   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 882 #endif
 883   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 884   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 885   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 886   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 887   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 888
 889   /* Alternative endian target.  */
 890 #ifdef TARGET_LITTLE_SYM
 891   & TARGET_LITTLE_SYM,
 892 #else
 893   NULL,
 894 #endif
 895
 896   /* backend_data: */
 897   &elfNN_bed
 898 };
 899 #endif
 900
 901 #ifdef TARGET_LITTLE_SYM
 902 const bfd_target TARGET_LITTLE_SYM =
 903 {
 904   /* name: identify kind of target */
 905   TARGET_LITTLE_NAME,
 906
 907   /* flavour: general indication about file */
 908   bfd_target_elf_flavour,
 909
 910   /* byteorder: data is little endian */
 911   BFD_ENDIAN_LITTLE,
 912
 913   /* header_byteorder: header is also little endian */
 914   BFD_ENDIAN_LITTLE,
 915
 916   /* object_flags: mask of all file flags */
 917   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 918    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS),
 919
 920   /* section_flags: mask of all section flags */
 921   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 922    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 923    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 924
 925    /* leading_symbol_char: is the first char of a user symbol
 926       predictable, and if so what is it */
 927   elf_symbol_leading_char,
 928
 929   /* ar_pad_char: pad character for filenames within an archive header
 930      FIXME:  this really has nothing to do with ELF, this is a characteristic
 931      of the archiver and/or os and should be independently tunable */
 932   '/',
 933
 934   /* ar_max_namelen: maximum number of characters in an archive header
 935      FIXME:  this really has nothing to do with ELF, this is a characteristic
 936      of the archiver and should be independently tunable.  The System V ABI,
 937      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 938   15,
 939
 940   elf_match_priority,
 941
 942   /* Routines to byte-swap various sized integers from the data sections */
 943   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 944     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 945     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 946
 947   /* Routines to byte-swap various sized integers from the file headers */
 948   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 949     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 950     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 951
 952   /* bfd_check_format: check the format of a file being read */
 953   { _bfd_dummy_target,          /* unknown format */
 954     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 955     bfd_elfNN_archive_p,        /* an archive */
 956     bfd_elfNN_core_file_p       /* a core file */
 957   },
 958
 959   /* bfd_set_format: set the format of a file being written */
 960   { bfd_false,
 961     bfd_elfNN_mkobject,
 962     bfd_elfNN_mkarchive,
 963     bfd_elfNN_mkcorefile
 964   },
 965
 966   /* bfd_write_contents: write cached information into a file being written */
 967   { bfd_false,
 968     bfd_elfNN_write_object_contents,
 969     bfd_elfNN_write_archive_contents,
 970     bfd_elfNN_write_corefile_contents,
 971   },
 972
 973   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 974   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 975   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 976 #ifdef bfd_elfNN_archive_functions
 977   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 978 #else
 979   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 980 #endif
 981   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 982   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 983   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 984   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 985   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 986
 987   /* Alternative endian target.  */
 988 #ifdef TARGET_BIG_SYM
 989   & TARGET_BIG_SYM,
 990 #else
 991   NULL,
 992 #endif
 993
 994   /* backend_data: */
 995   &elfNN_bed
 996 };
 997 #endif