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