bfd/elfxx-target.h

   1 /* Target definitions for NN-bit ELF
   2    Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
   3    2003, 2004, 2005, 2006 Free Software Foundation, Inc.
   4
   5    This file is part of BFD, the Binary File Descriptor library.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  20
  21 /* This structure contains everything that BFD knows about a target.
  22    It includes things like its byte order, name, what routines to call
  23    to do various operations, etc.  Every BFD points to a target structure
  24    with its "xvec" member.
  25
  26    There are two such structures here:  one for big-endian machines and
  27    one for little-endian machines.   */
  28
  29 #ifndef bfd_elfNN_close_and_cleanup
  30 #define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup
  31 #endif
  32 #ifndef bfd_elfNN_bfd_free_cached_info
  33 #define bfd_elfNN_bfd_free_cached_info _bfd_free_cached_info
  34 #endif
  35 #ifndef bfd_elfNN_get_section_contents
  36 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
  37 #endif
  38
  39 #define bfd_elfNN_canonicalize_dynamic_symtab \
  40   _bfd_elf_canonicalize_dynamic_symtab
  41 #ifndef bfd_elfNN_get_synthetic_symtab
  42 #define bfd_elfNN_get_synthetic_symtab \
  43   _bfd_elf_get_synthetic_symtab
  44 #endif
  45 #ifndef bfd_elfNN_canonicalize_reloc
  46 #define bfd_elfNN_canonicalize_reloc    _bfd_elf_canonicalize_reloc
  47 #endif
  48 #ifndef bfd_elfNN_find_nearest_line
  49 #define bfd_elfNN_find_nearest_line     _bfd_elf_find_nearest_line
  50 #endif
  51 #ifndef bfd_elfNN_find_inliner_info
  52 #define bfd_elfNN_find_inliner_info     _bfd_elf_find_inliner_info
  53 #endif
  54 #define bfd_elfNN_read_minisymbols      _bfd_elf_read_minisymbols
  55 #define bfd_elfNN_minisymbol_to_symbol  _bfd_elf_minisymbol_to_symbol
  56 #define bfd_elfNN_get_dynamic_symtab_upper_bound \
  57   _bfd_elf_get_dynamic_symtab_upper_bound
  58 #define bfd_elfNN_get_lineno            _bfd_elf_get_lineno
  59 #ifndef bfd_elfNN_get_reloc_upper_bound
  60 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
  61 #endif
  62 #ifndef bfd_elfNN_get_symbol_info
  63 #define bfd_elfNN_get_symbol_info       _bfd_elf_get_symbol_info
  64 #endif
  65 #define bfd_elfNN_canonicalize_symtab   _bfd_elf_canonicalize_symtab
  66 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
  67 #define bfd_elfNN_make_empty_symbol     _bfd_elf_make_empty_symbol
  68 #ifndef bfd_elfNN_new_section_hook
  69 #define bfd_elfNN_new_section_hook      _bfd_elf_new_section_hook
  70 #endif
  71 #define bfd_elfNN_set_arch_mach         _bfd_elf_set_arch_mach
  72 #ifndef bfd_elfNN_set_section_contents
  73 #define bfd_elfNN_set_section_contents  _bfd_elf_set_section_contents
  74 #endif
  75 #define bfd_elfNN_sizeof_headers        _bfd_elf_sizeof_headers
  76 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
  77 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
  78
  79 #define bfd_elfNN_get_section_contents_in_window \
  80   _bfd_generic_get_section_contents_in_window
  81
  82 #ifndef elf_backend_can_refcount
  83 #define elf_backend_can_refcount 0
  84 #endif
  85 #ifndef elf_backend_want_got_plt
  86 #define elf_backend_want_got_plt 0
  87 #endif
  88 #ifndef elf_backend_plt_readonly
  89 #define elf_backend_plt_readonly 0
  90 #endif
  91 #ifndef elf_backend_want_plt_sym
  92 #define elf_backend_want_plt_sym 0
  93 #endif
  94 #ifndef elf_backend_plt_not_loaded
  95 #define elf_backend_plt_not_loaded 0
  96 #endif
  97 #ifndef elf_backend_plt_alignment
  98 #define elf_backend_plt_alignment 2
  99 #endif
 100 #ifndef elf_backend_want_dynbss
 101 #define elf_backend_want_dynbss 1
 102 #endif
 103 #ifndef elf_backend_want_p_paddr_set_to_zero
 104 #define elf_backend_want_p_paddr_set_to_zero 0
 105 #endif
 106
 107 #define bfd_elfNN_bfd_debug_info_start  bfd_void
 108 #define bfd_elfNN_bfd_debug_info_end    bfd_void
 109 #define bfd_elfNN_bfd_debug_info_accumulate \
 110   ((void (*) (bfd*, struct bfd_section *)) bfd_void)
 111
 112 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
 113 #define bfd_elfNN_bfd_get_relocated_section_contents \
 114   bfd_generic_get_relocated_section_contents
 115 #endif
 116
 117 #ifndef bfd_elfNN_bfd_relax_section
 118 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
 119 #endif
 120
 121 #ifndef elf_backend_can_gc_sections
 122 #define elf_backend_can_gc_sections 0
 123 #endif
 124 #ifndef elf_backend_can_refcount
 125 #define elf_backend_can_refcount 0
 126 #endif
 127 #ifndef elf_backend_want_got_sym
 128 #define elf_backend_want_got_sym 1
 129 #endif
 130 #ifndef elf_backend_gc_mark_dynamic_ref
 131 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
 132 #endif
 133 #ifndef elf_backend_gc_mark_hook
 134 #define elf_backend_gc_mark_hook        NULL
 135 #endif
 136 #ifndef elf_backend_gc_sweep_hook
 137 #define elf_backend_gc_sweep_hook       NULL
 138 #endif
 139 #ifndef bfd_elfNN_bfd_gc_sections
 140 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
 141 #endif
 142
 143 #ifndef bfd_elfNN_bfd_merge_sections
 144 #define bfd_elfNN_bfd_merge_sections \
 145   _bfd_elf_merge_sections
 146 #endif
 147
 148 #ifndef bfd_elfNN_bfd_is_group_section
 149 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
 150 #endif
 151
 152 #ifndef bfd_elfNN_bfd_discard_group
 153 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
 154 #endif
 155
 156 #ifndef bfd_elfNN_section_already_linked
 157 #define bfd_elfNN_section_already_linked \
 158   _bfd_elf_section_already_linked
 159 #endif
 160
 161 #ifndef bfd_elfNN_bfd_make_debug_symbol
 162 #define bfd_elfNN_bfd_make_debug_symbol \
 163   ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
 164 #endif
 165
 166 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
 167 #define bfd_elfNN_bfd_copy_private_symbol_data \
 168   _bfd_elf_copy_private_symbol_data
 169 #endif
 170
 171 #ifndef bfd_elfNN_bfd_copy_private_section_data
 172 #define bfd_elfNN_bfd_copy_private_section_data \
 173   _bfd_elf_copy_private_section_data
 174 #endif
 175 #ifndef bfd_elfNN_bfd_copy_private_header_data
 176 #define bfd_elfNN_bfd_copy_private_header_data \
 177   _bfd_elf_copy_private_header_data
 178 #endif
 179 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
 180 #define bfd_elfNN_bfd_copy_private_bfd_data \
 181   _bfd_elf_copy_private_bfd_data
 182 #endif
 183 #ifndef bfd_elfNN_bfd_print_private_bfd_data
 184 #define bfd_elfNN_bfd_print_private_bfd_data \
 185   _bfd_elf_print_private_bfd_data
 186 #endif
 187 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
 188 #define bfd_elfNN_bfd_merge_private_bfd_data \
 189   ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
 190 #endif
 191 #ifndef bfd_elfNN_bfd_set_private_flags
 192 #define bfd_elfNN_bfd_set_private_flags \
 193   ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
 194 #endif
 195 #ifndef bfd_elfNN_bfd_is_local_label_name
 196 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
 197 #endif
 198 #ifndef bfd_elfNN_bfd_is_target_special_symbol
 199 #define bfd_elfNN_bfd_is_target_special_symbol \
 200   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
 201 #endif
 202
 203 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
 204 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
 205   _bfd_elf_get_dynamic_reloc_upper_bound
 206 #endif
 207 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
 208 #define bfd_elfNN_canonicalize_dynamic_reloc \
 209   _bfd_elf_canonicalize_dynamic_reloc
 210 #endif
 211
 212 #ifndef bfd_elfNN_bfd_link_hash_table_free
 213 #define bfd_elfNN_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
 214 #endif
 215
 216 #ifdef elf_backend_relocate_section
 217 #ifndef bfd_elfNN_bfd_link_hash_table_create
 218 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
 219 #endif
 220 #ifndef bfd_elfNN_bfd_link_add_symbols
 221 #define bfd_elfNN_bfd_link_add_symbols  bfd_elf_link_add_symbols
 222 #endif
 223 #ifndef bfd_elfNN_bfd_final_link
 224 #define bfd_elfNN_bfd_final_link        bfd_elf_final_link
 225 #endif
 226 #else /* ! defined (elf_backend_relocate_section) */
 227 /* If no backend relocate_section routine, use the generic linker.
 228    Note - this will prevent the port from being able to use some of
 229    the other features of the ELF linker, because the generic hash structure
 230    does not have the fields needed by the ELF linker.  In particular it
 231    means that linking directly to S-records will not work.  */
 232 #ifndef bfd_elfNN_bfd_link_hash_table_create
 233 #define bfd_elfNN_bfd_link_hash_table_create \
 234   _bfd_generic_link_hash_table_create
 235 #endif
 236 #ifndef bfd_elfNN_bfd_link_add_symbols
 237 #define bfd_elfNN_bfd_link_add_symbols  _bfd_generic_link_add_symbols
 238 #endif
 239 #ifndef bfd_elfNN_bfd_final_link
 240 #define bfd_elfNN_bfd_final_link        _bfd_generic_final_link
 241 #endif
 242 #endif /* ! defined (elf_backend_relocate_section) */
 243
 244 #ifndef bfd_elfNN_bfd_link_just_syms
 245 #define bfd_elfNN_bfd_link_just_syms    _bfd_elf_link_just_syms
 246 #endif
 247
 248 #ifndef bfd_elfNN_bfd_link_split_section
 249 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
 250 #endif
 251
 252 #ifndef bfd_elfNN_archive_p
 253 #define bfd_elfNN_archive_p bfd_generic_archive_p
 254 #endif
 255
 256 #ifndef bfd_elfNN_write_archive_contents
 257 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
 258 #endif
 259
 260 #ifndef bfd_elfNN_mkobject
 261 #define bfd_elfNN_mkobject bfd_elf_mkobject
 262 #endif
 263
 264 #ifndef bfd_elfNN_mkcorefile
 265 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
 266 #endif
 267
 268 #ifndef bfd_elfNN_mkarchive
 269 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
 270 #endif
 271
 272 #ifndef bfd_elfNN_print_symbol
 273 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
 274 #endif
 275
 276 #ifndef elf_symbol_leading_char
 277 #define elf_symbol_leading_char 0
 278 #endif
 279
 280 #ifndef elf_info_to_howto
 281 #define elf_info_to_howto 0
 282 #endif
 283
 284 #ifndef elf_info_to_howto_rel
 285 #define elf_info_to_howto_rel 0
 286 #endif
 287
 288 #ifndef ELF_MAXPAGESIZE
 289   #error ELF_MAXPAGESIZE is not defined
 290 #define ELF_MAXPAGESIZE 1
 291 #endif
 292
 293 #ifndef ELF_MINPAGESIZE
 294 #define ELF_MINPAGESIZE ELF_MAXPAGESIZE
 295 #endif
 296
 297 #ifndef ELF_DYNAMIC_SEC_FLAGS
 298 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
 299 #define ELF_DYNAMIC_SEC_FLAGS                   \
 300   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
 301    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
 302 #endif
 303
 304 #ifndef elf_backend_collect
 305 #define elf_backend_collect FALSE
 306 #endif
 307 #ifndef elf_backend_type_change_ok
 308 #define elf_backend_type_change_ok FALSE
 309 #endif
 310
 311 #ifndef elf_backend_sym_is_global
 312 #define elf_backend_sym_is_global       0
 313 #endif
 314 #ifndef elf_backend_object_p
 315 #define elf_backend_object_p            0
 316 #endif
 317 #ifndef elf_backend_symbol_processing
 318 #define elf_backend_symbol_processing   0
 319 #endif
 320 #ifndef elf_backend_symbol_table_processing
 321 #define elf_backend_symbol_table_processing     0
 322 #endif
 323 #ifndef elf_backend_get_symbol_type
 324 #define elf_backend_get_symbol_type 0
 325 #endif
 326 #ifndef elf_backend_archive_symbol_lookup
 327 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
 328 #endif
 329 #ifndef elf_backend_name_local_section_symbols
 330 #define elf_backend_name_local_section_symbols  0
 331 #endif
 332 #ifndef elf_backend_section_processing
 333 #define elf_backend_section_processing  0
 334 #endif
 335 #ifndef elf_backend_section_from_shdr
 336 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
 337 #endif
 338 #ifndef elf_backend_section_flags
 339 #define elf_backend_section_flags       0
 340 #endif
 341 #ifndef elf_backend_get_sec_type_attr
 342 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
 343 #endif
 344 #ifndef elf_backend_section_from_phdr
 345 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
 346 #endif
 347 #ifndef elf_backend_fake_sections
 348 #define elf_backend_fake_sections       0
 349 #endif
 350 #ifndef elf_backend_section_from_bfd_section
 351 #define elf_backend_section_from_bfd_section    0
 352 #endif
 353 #ifndef elf_backend_add_symbol_hook
 354 #define elf_backend_add_symbol_hook     0
 355 #endif
 356 #ifndef elf_backend_link_output_symbol_hook
 357 #define elf_backend_link_output_symbol_hook 0
 358 #endif
 359 #ifndef elf_backend_create_dynamic_sections
 360 #define elf_backend_create_dynamic_sections 0
 361 #endif
 362 #ifndef elf_backend_omit_section_dynsym
 363 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
 364 #endif
 365 #ifndef elf_backend_check_relocs
 366 #define elf_backend_check_relocs        0
 367 #endif
 368 #ifndef elf_backend_check_directives
 369 #define elf_backend_check_directives    0
 370 #endif
 371 #ifndef elf_backend_adjust_dynamic_symbol
 372 #define elf_backend_adjust_dynamic_symbol 0
 373 #endif
 374 #ifndef elf_backend_always_size_sections
 375 #define elf_backend_always_size_sections 0
 376 #endif
 377 #ifndef elf_backend_size_dynamic_sections
 378 #define elf_backend_size_dynamic_sections 0
 379 #endif
 380 #ifndef elf_backend_relocate_section
 381 #define elf_backend_relocate_section    0
 382 #endif
 383 #ifndef elf_backend_finish_dynamic_symbol
 384 #define elf_backend_finish_dynamic_symbol       0
 385 #endif
 386 #ifndef elf_backend_finish_dynamic_sections
 387 #define elf_backend_finish_dynamic_sections     0
 388 #endif
 389 #ifndef elf_backend_begin_write_processing
 390 #define elf_backend_begin_write_processing      0
 391 #endif
 392 #ifndef elf_backend_final_write_processing
 393 #define elf_backend_final_write_processing      0
 394 #endif
 395 #ifndef elf_backend_additional_program_headers
 396 #define elf_backend_additional_program_headers  0
 397 #endif
 398 #ifndef elf_backend_modify_segment_map
 399 #define elf_backend_modify_segment_map  0
 400 #endif
 401 #ifndef elf_backend_ecoff_debug_swap
 402 #define elf_backend_ecoff_debug_swap    0
 403 #endif
 404 #ifndef elf_backend_bfd_from_remote_memory
 405 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
 406 #endif
 407 #ifndef elf_backend_got_header_size
 408 #define elf_backend_got_header_size     0
 409 #endif
 410 #ifndef elf_backend_post_process_headers
 411 #define elf_backend_post_process_headers        NULL
 412 #endif
 413 #ifndef elf_backend_print_symbol_all
 414 #define elf_backend_print_symbol_all            NULL
 415 #endif
 416 #ifndef elf_backend_output_arch_local_syms
 417 #define elf_backend_output_arch_local_syms      NULL
 418 #endif
 419 #ifndef elf_backend_output_arch_syms
 420 #define elf_backend_output_arch_syms            NULL
 421 #endif
 422 #ifndef elf_backend_copy_indirect_symbol
 423 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
 424 #endif
 425 #ifndef elf_backend_hide_symbol
 426 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
 427 #endif
 428 #ifndef elf_backend_fixup_symbol
 429 #define elf_backend_fixup_symbol                NULL
 430 #endif
 431 #ifndef elf_backend_merge_symbol_attribute
 432 #define elf_backend_merge_symbol_attribute      NULL
 433 #endif
 434 #ifndef elf_backend_ignore_undef_symbol
 435 #define elf_backend_ignore_undef_symbol         NULL
 436 #endif
 437 #ifndef elf_backend_emit_relocs
 438 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
 439 #endif
 440 #ifndef elf_backend_count_relocs
 441 #define elf_backend_count_relocs                NULL
 442 #endif
 443 #ifndef elf_backend_grok_prstatus
 444 #define elf_backend_grok_prstatus               NULL
 445 #endif
 446 #ifndef elf_backend_grok_psinfo
 447 #define elf_backend_grok_psinfo                 NULL
 448 #endif
 449 #ifndef elf_backend_sprintf_vma
 450 #define elf_backend_sprintf_vma                 _bfd_elf_sprintf_vma
 451 #endif
 452 #ifndef elf_backend_fprintf_vma
 453 #define elf_backend_fprintf_vma                 _bfd_elf_fprintf_vma
 454 #endif
 455 #ifndef elf_backend_reloc_type_class
 456 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
 457 #endif
 458 #ifndef elf_backend_discard_info
 459 #define elf_backend_discard_info                NULL
 460 #endif
 461 #ifndef elf_backend_ignore_discarded_relocs
 462 #define elf_backend_ignore_discarded_relocs     NULL
 463 #endif
 464 #ifndef elf_backend_action_discarded
 465 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
 466 #endif
 467 #ifndef elf_backend_eh_frame_address_size
 468 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
 469 #endif
 470 #ifndef elf_backend_can_make_relative_eh_frame
 471 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
 472 #endif
 473 #ifndef elf_backend_can_make_lsda_relative_eh_frame
 474 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
 475 #endif
 476 #ifndef elf_backend_encode_eh_address
 477 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
 478 #endif
 479 #ifndef elf_backend_write_section
 480 #define elf_backend_write_section               NULL
 481 #endif
 482 #ifndef elf_backend_mips_irix_compat
 483 #define elf_backend_mips_irix_compat            NULL
 484 #endif
 485 #ifndef elf_backend_mips_rtype_to_howto
 486 #define elf_backend_mips_rtype_to_howto         NULL
 487 #endif
 488
 489 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
 490    sections, but not both.  They defined USE_REL to indicate SHT_REL
 491    sections, and left it undefined to indicated SHT_RELA sections.
 492    For backwards compatibility, we still support this usage.  */
 493 #ifndef USE_REL
 494 #define USE_REL 0
 495 #endif
 496
 497 /* Use these in new code.  */
 498 #ifndef elf_backend_may_use_rel_p
 499 #define elf_backend_may_use_rel_p USE_REL
 500 #endif
 501 #ifndef elf_backend_may_use_rela_p
 502 #define elf_backend_may_use_rela_p !USE_REL
 503 #endif
 504 #ifndef elf_backend_default_use_rela_p
 505 #define elf_backend_default_use_rela_p !USE_REL
 506 #endif
 507
 508 #ifndef elf_backend_rela_normal
 509 #define elf_backend_rela_normal 0
 510 #endif
 511
 512 #ifndef elf_backend_plt_sym_val
 513 #define elf_backend_plt_sym_val NULL
 514 #endif
 515 #ifndef elf_backend_relplt_name
 516 #define elf_backend_relplt_name NULL
 517 #endif
 518
 519 #ifndef ELF_MACHINE_ALT1
 520 #define ELF_MACHINE_ALT1 0
 521 #endif
 522
 523 #ifndef ELF_MACHINE_ALT2
 524 #define ELF_MACHINE_ALT2 0
 525 #endif
 526
 527 #ifndef elf_backend_size_info
 528 #define elf_backend_size_info _bfd_elfNN_size_info
 529 #endif
 530
 531 #ifndef elf_backend_special_sections
 532 #define elf_backend_special_sections NULL
 533 #endif
 534
 535 #ifndef elf_backend_sign_extend_vma
 536 #define elf_backend_sign_extend_vma 0
 537 #endif
 538
 539 #ifndef elf_backend_link_order_error_handler
 540 #define elf_backend_link_order_error_handler _bfd_default_error_handler
 541 #endif
 542
 543 #ifndef elf_backend_common_definition
 544 #define elf_backend_common_definition _bfd_elf_common_definition
 545 #endif
 546
 547 #ifndef elf_backend_common_section_index
 548 #define elf_backend_common_section_index _bfd_elf_common_section_index
 549 #endif
 550
 551 #ifndef elf_backend_common_section
 552 #define elf_backend_common_section _bfd_elf_common_section
 553 #endif
 554
 555 #ifndef elf_backend_merge_symbol
 556 #define elf_backend_merge_symbol NULL
 557 #endif
 558
 559 extern const struct elf_size_info _bfd_elfNN_size_info;
 560
 561 #ifndef INCLUDED_TARGET_FILE
 562 static const struct elf_backend_data elfNN_bed =
 563 {
 564   ELF_ARCH,                     /* arch */
 565   ELF_MACHINE_CODE,             /* elf_machine_code */
 566   ELF_MAXPAGESIZE,              /* maxpagesize */
 567   ELF_MINPAGESIZE,              /* minpagesize */
 568   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
 569   elf_info_to_howto,
 570   elf_info_to_howto_rel,
 571   elf_backend_sym_is_global,
 572   elf_backend_object_p,
 573   elf_backend_symbol_processing,
 574   elf_backend_symbol_table_processing,
 575   elf_backend_get_symbol_type,
 576   elf_backend_archive_symbol_lookup,
 577   elf_backend_name_local_section_symbols,
 578   elf_backend_section_processing,
 579   elf_backend_section_from_shdr,
 580   elf_backend_section_flags,
 581   elf_backend_get_sec_type_attr,
 582   elf_backend_section_from_phdr,
 583   elf_backend_fake_sections,
 584   elf_backend_section_from_bfd_section,
 585   elf_backend_add_symbol_hook,
 586   elf_backend_link_output_symbol_hook,
 587   elf_backend_create_dynamic_sections,
 588   elf_backend_omit_section_dynsym,
 589   elf_backend_check_relocs,
 590   elf_backend_check_directives,
 591   elf_backend_adjust_dynamic_symbol,
 592   elf_backend_always_size_sections,
 593   elf_backend_size_dynamic_sections,
 594   elf_backend_relocate_section,
 595   elf_backend_finish_dynamic_symbol,
 596   elf_backend_finish_dynamic_sections,
 597   elf_backend_begin_write_processing,
 598   elf_backend_final_write_processing,
 599   elf_backend_additional_program_headers,
 600   elf_backend_modify_segment_map,
 601   elf_backend_gc_mark_dynamic_ref,
 602   elf_backend_gc_mark_hook,
 603   elf_backend_gc_sweep_hook,
 604   elf_backend_post_process_headers,
 605   elf_backend_print_symbol_all,
 606   elf_backend_output_arch_local_syms,
 607   elf_backend_output_arch_syms,
 608   elf_backend_copy_indirect_symbol,
 609   elf_backend_hide_symbol,
 610   elf_backend_fixup_symbol,
 611   elf_backend_merge_symbol_attribute,
 612   elf_backend_ignore_undef_symbol,
 613   elf_backend_emit_relocs,
 614   elf_backend_count_relocs,
 615   elf_backend_grok_prstatus,
 616   elf_backend_grok_psinfo,
 617   elf_backend_sprintf_vma,
 618   elf_backend_fprintf_vma,
 619   elf_backend_reloc_type_class,
 620   elf_backend_discard_info,
 621   elf_backend_ignore_discarded_relocs,
 622   elf_backend_action_discarded,
 623   elf_backend_eh_frame_address_size,
 624   elf_backend_can_make_relative_eh_frame,
 625   elf_backend_can_make_lsda_relative_eh_frame,
 626   elf_backend_encode_eh_address,
 627   elf_backend_write_section,
 628   elf_backend_mips_irix_compat,
 629   elf_backend_mips_rtype_to_howto,
 630   elf_backend_ecoff_debug_swap,
 631   elf_backend_bfd_from_remote_memory,
 632   elf_backend_plt_sym_val,
 633   elf_backend_common_definition,
 634   elf_backend_common_section_index,
 635   elf_backend_common_section,
 636   elf_backend_merge_symbol,
 637   elf_backend_link_order_error_handler,
 638   elf_backend_relplt_name,
 639   ELF_MACHINE_ALT1,
 640   ELF_MACHINE_ALT2,
 641   &elf_backend_size_info,
 642   elf_backend_special_sections,
 643   elf_backend_got_header_size,
 644   elf_backend_collect,
 645   elf_backend_type_change_ok,
 646   elf_backend_may_use_rel_p,
 647   elf_backend_may_use_rela_p,
 648   elf_backend_default_use_rela_p,
 649   elf_backend_rela_normal,
 650   elf_backend_sign_extend_vma,
 651   elf_backend_want_got_plt,
 652   elf_backend_plt_readonly,
 653   elf_backend_want_plt_sym,
 654   elf_backend_plt_not_loaded,
 655   elf_backend_plt_alignment,
 656   elf_backend_can_gc_sections,
 657   elf_backend_can_refcount,
 658   elf_backend_want_got_sym,
 659   elf_backend_want_dynbss,
 660   elf_backend_want_p_paddr_set_to_zero
 661 };
 662 #endif
 663
 664 /* Forward declaration for use when initialising alternative_target field.  */
 665 #ifdef TARGET_LITTLE_SYM
 666 extern const bfd_target TARGET_LITTLE_SYM;
 667 #endif
 668
 669 #ifdef TARGET_BIG_SYM
 670 const bfd_target TARGET_BIG_SYM =
 671 {
 672   /* name: identify kind of target */
 673   TARGET_BIG_NAME,
 674
 675   /* flavour: general indication about file */
 676   bfd_target_elf_flavour,
 677
 678   /* byteorder: data is big endian */
 679   BFD_ENDIAN_BIG,
 680
 681   /* header_byteorder: header is also big endian */
 682   BFD_ENDIAN_BIG,
 683
 684   /* object_flags: mask of all file flags */
 685   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 686    | DYNAMIC | WP_TEXT | D_PAGED),
 687
 688   /* section_flags: mask of all section flags */
 689   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 690    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 691    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 692
 693    /* leading_symbol_char: is the first char of a user symbol
 694       predictable, and if so what is it */
 695   elf_symbol_leading_char,
 696
 697   /* ar_pad_char: pad character for filenames within an archive header
 698      FIXME:  this really has nothing to do with ELF, this is a characteristic
 699      of the archiver and/or os and should be independently tunable */
 700   '/',
 701
 702   /* ar_max_namelen: maximum number of characters in an archive header
 703      FIXME:  this really has nothing to do with ELF, this is a characteristic
 704      of the archiver and should be independently tunable.  The System V ABI,
 705      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 706   15,
 707
 708   /* Routines to byte-swap various sized integers from the data sections */
 709   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 710     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 711     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 712
 713   /* Routines to byte-swap various sized integers from the file headers */
 714   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 715     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 716     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 717
 718   /* bfd_check_format: check the format of a file being read */
 719   { _bfd_dummy_target,          /* unknown format */
 720     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 721     bfd_elfNN_archive_p,        /* an archive */
 722     bfd_elfNN_core_file_p       /* a core file */
 723   },
 724
 725   /* bfd_set_format: set the format of a file being written */
 726   { bfd_false,
 727     bfd_elfNN_mkobject,
 728     bfd_elfNN_mkarchive,
 729     bfd_elfNN_mkcorefile
 730   },
 731
 732   /* bfd_write_contents: write cached information into a file being written */
 733   { bfd_false,
 734     bfd_elfNN_write_object_contents,
 735     bfd_elfNN_write_archive_contents,
 736     bfd_elfNN_write_corefile_contents,
 737   },
 738
 739   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 740   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 741   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 742 #ifdef bfd_elfNN_archive_functions
 743   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 744 #else
 745   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 746 #endif
 747   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 748   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 749   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 750   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 751   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 752
 753   /* Alternative endian target.  */
 754 #ifdef TARGET_LITTLE_SYM
 755   & TARGET_LITTLE_SYM,
 756 #else
 757   NULL,
 758 #endif
 759
 760   /* backend_data: */
 761   &elfNN_bed
 762 };
 763 #endif
 764
 765 #ifdef TARGET_LITTLE_SYM
 766 const bfd_target TARGET_LITTLE_SYM =
 767 {
 768   /* name: identify kind of target */
 769   TARGET_LITTLE_NAME,
 770
 771   /* flavour: general indication about file */
 772   bfd_target_elf_flavour,
 773
 774   /* byteorder: data is little endian */
 775   BFD_ENDIAN_LITTLE,
 776
 777   /* header_byteorder: header is also little endian */
 778   BFD_ENDIAN_LITTLE,
 779
 780   /* object_flags: mask of all file flags */
 781   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 782    | DYNAMIC | WP_TEXT | D_PAGED),
 783
 784   /* section_flags: mask of all section flags */
 785   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 786    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 787    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 788
 789    /* leading_symbol_char: is the first char of a user symbol
 790       predictable, and if so what is it */
 791   elf_symbol_leading_char,
 792
 793   /* ar_pad_char: pad character for filenames within an archive header
 794      FIXME:  this really has nothing to do with ELF, this is a characteristic
 795      of the archiver and/or os and should be independently tunable */
 796   '/',
 797
 798   /* ar_max_namelen: maximum number of characters in an archive header
 799      FIXME:  this really has nothing to do with ELF, this is a characteristic
 800      of the archiver and should be independently tunable.  The System V ABI,
 801      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 802   15,
 803
 804   /* Routines to byte-swap various sized integers from the data sections */
 805   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 806     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 807     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 808
 809   /* Routines to byte-swap various sized integers from the file headers */
 810   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 811     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 812     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 813
 814   /* bfd_check_format: check the format of a file being read */
 815   { _bfd_dummy_target,          /* unknown format */
 816     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 817     bfd_elfNN_archive_p,        /* an archive */
 818     bfd_elfNN_core_file_p       /* a core file */
 819   },
 820
 821   /* bfd_set_format: set the format of a file being written */
 822   { bfd_false,
 823     bfd_elfNN_mkobject,
 824     bfd_elfNN_mkarchive,
 825     bfd_elfNN_mkcorefile
 826   },
 827
 828   /* bfd_write_contents: write cached information into a file being written */
 829   { bfd_false,
 830     bfd_elfNN_write_object_contents,
 831     bfd_elfNN_write_archive_contents,
 832     bfd_elfNN_write_corefile_contents,
 833   },
 834
 835   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 836   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 837   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 838 #ifdef bfd_elfNN_archive_functions
 839   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 840 #else
 841   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 842 #endif
 843   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 844   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 845   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 846   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 847   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 848
 849   /* Alternative endian target.  */
 850 #ifdef TARGET_BIG_SYM
 851   & TARGET_BIG_SYM,
 852 #else
 853   NULL,
 854 #endif
 855
 856   /* backend_data: */
 857   &elfNN_bed
 858 };
 859 #endif