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