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