bfd/elfxx-target.h

   1 /* Target definitions for NN-bit ELF
   2    Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
   3    2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
   4    Free Software Foundation, Inc.
   5
   6    This file is part of BFD, the Binary File Descriptor library.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  21    MA 02110-1301, USA.  */
  22
  23
  24 /* This structure contains everything that BFD knows about a target.
  25    It includes things like its byte order, name, what routines to call
  26    to do various operations, etc.  Every BFD points to a target structure
  27    with its "xvec" member.
  28
  29    There are two such structures here:  one for big-endian machines and
  30    one for little-endian machines.   */
  31
  32 #ifndef bfd_elfNN_close_and_cleanup
  33 #define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup
  34 #endif
  35 #ifndef bfd_elfNN_bfd_free_cached_info
  36 #define bfd_elfNN_bfd_free_cached_info _bfd_free_cached_info
  37 #endif
  38 #ifndef bfd_elfNN_get_section_contents
  39 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
  40 #endif
  41
  42 #define bfd_elfNN_canonicalize_dynamic_symtab \
  43   _bfd_elf_canonicalize_dynamic_symtab
  44 #ifndef bfd_elfNN_get_synthetic_symtab
  45 #define bfd_elfNN_get_synthetic_symtab \
  46   _bfd_elf_get_synthetic_symtab
  47 #endif
  48 #ifndef bfd_elfNN_canonicalize_reloc
  49 #define bfd_elfNN_canonicalize_reloc    _bfd_elf_canonicalize_reloc
  50 #endif
  51 #ifndef bfd_elfNN_find_nearest_line
  52 #define bfd_elfNN_find_nearest_line     _bfd_elf_find_nearest_line
  53 #endif
  54 #ifndef bfd_elfNN_find_inliner_info
  55 #define bfd_elfNN_find_inliner_info     _bfd_elf_find_inliner_info
  56 #endif
  57 #define bfd_elfNN_read_minisymbols      _bfd_elf_read_minisymbols
  58 #define bfd_elfNN_minisymbol_to_symbol  _bfd_elf_minisymbol_to_symbol
  59 #define bfd_elfNN_get_dynamic_symtab_upper_bound \
  60   _bfd_elf_get_dynamic_symtab_upper_bound
  61 #define bfd_elfNN_get_lineno            _bfd_elf_get_lineno
  62 #ifndef bfd_elfNN_get_reloc_upper_bound
  63 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
  64 #endif
  65 #ifndef bfd_elfNN_get_symbol_info
  66 #define bfd_elfNN_get_symbol_info       _bfd_elf_get_symbol_info
  67 #endif
  68 #define bfd_elfNN_canonicalize_symtab   _bfd_elf_canonicalize_symtab
  69 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
  70 #define bfd_elfNN_make_empty_symbol     _bfd_elf_make_empty_symbol
  71 #ifndef bfd_elfNN_new_section_hook
  72 #define bfd_elfNN_new_section_hook      _bfd_elf_new_section_hook
  73 #endif
  74 #define bfd_elfNN_set_arch_mach         _bfd_elf_set_arch_mach
  75 #ifndef bfd_elfNN_set_section_contents
  76 #define bfd_elfNN_set_section_contents  _bfd_elf_set_section_contents
  77 #endif
  78 #define bfd_elfNN_sizeof_headers        _bfd_elf_sizeof_headers
  79 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
  80 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
  81
  82 #define bfd_elfNN_get_section_contents_in_window \
  83   _bfd_generic_get_section_contents_in_window
  84
  85 #ifndef elf_backend_can_refcount
  86 #define elf_backend_can_refcount 0
  87 #endif
  88 #ifndef elf_backend_want_got_plt
  89 #define elf_backend_want_got_plt 0
  90 #endif
  91 #ifndef elf_backend_plt_readonly
  92 #define elf_backend_plt_readonly 0
  93 #endif
  94 #ifndef elf_backend_want_plt_sym
  95 #define elf_backend_want_plt_sym 0
  96 #endif
  97 #ifndef elf_backend_plt_not_loaded
  98 #define elf_backend_plt_not_loaded 0
  99 #endif
 100 #ifndef elf_backend_plt_alignment
 101 #define elf_backend_plt_alignment 2
 102 #endif
 103 #ifndef elf_backend_want_dynbss
 104 #define elf_backend_want_dynbss 1
 105 #endif
 106 #ifndef elf_backend_want_p_paddr_set_to_zero
 107 #define elf_backend_want_p_paddr_set_to_zero 0
 108 #endif
 109 #ifndef elf_backend_default_execstack
 110 #define elf_backend_default_execstack 1
 111 #endif
 112
 113 #define bfd_elfNN_bfd_debug_info_start  bfd_void
 114 #define bfd_elfNN_bfd_debug_info_end    bfd_void
 115 #define bfd_elfNN_bfd_debug_info_accumulate \
 116   ((void (*) (bfd*, struct bfd_section *)) bfd_void)
 117
 118 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
 119 #define bfd_elfNN_bfd_get_relocated_section_contents \
 120   bfd_generic_get_relocated_section_contents
 121 #endif
 122
 123 #ifndef bfd_elfNN_bfd_relax_section
 124 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
 125 #endif
 126
 127 #ifndef elf_backend_can_gc_sections
 128 #define elf_backend_can_gc_sections 0
 129 #endif
 130 #ifndef elf_backend_can_refcount
 131 #define elf_backend_can_refcount 0
 132 #endif
 133 #ifndef elf_backend_want_got_sym
 134 #define elf_backend_want_got_sym 1
 135 #endif
 136 #ifndef elf_backend_gc_keep
 137 #define elf_backend_gc_keep             _bfd_elf_gc_keep
 138 #endif
 139 #ifndef elf_backend_gc_mark_dynamic_ref
 140 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
 141 #endif
 142 #ifndef elf_backend_gc_mark_hook
 143 #define elf_backend_gc_mark_hook        _bfd_elf_gc_mark_hook
 144 #endif
 145 #ifndef elf_backend_gc_mark_extra_sections
 146 #define elf_backend_gc_mark_extra_sections      NULL
 147 #endif
 148 #ifndef elf_backend_gc_sweep_hook
 149 #define elf_backend_gc_sweep_hook       NULL
 150 #endif
 151 #ifndef bfd_elfNN_bfd_gc_sections
 152 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
 153 #endif
 154
 155 #ifndef bfd_elfNN_bfd_merge_sections
 156 #define bfd_elfNN_bfd_merge_sections \
 157   _bfd_elf_merge_sections
 158 #endif
 159
 160 #ifndef bfd_elfNN_bfd_is_group_section
 161 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
 162 #endif
 163
 164 #ifndef bfd_elfNN_bfd_discard_group
 165 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
 166 #endif
 167
 168 #ifndef bfd_elfNN_section_already_linked
 169 #define bfd_elfNN_section_already_linked \
 170   _bfd_elf_section_already_linked
 171 #endif
 172
 173 #ifndef bfd_elfNN_bfd_define_common_symbol
 174 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol
 175 #endif
 176
 177 #ifndef bfd_elfNN_bfd_make_debug_symbol
 178 #define bfd_elfNN_bfd_make_debug_symbol \
 179   ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
 180 #endif
 181
 182 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
 183 #define bfd_elfNN_bfd_copy_private_symbol_data \
 184   _bfd_elf_copy_private_symbol_data
 185 #endif
 186
 187 #ifndef bfd_elfNN_bfd_copy_private_section_data
 188 #define bfd_elfNN_bfd_copy_private_section_data \
 189   _bfd_elf_copy_private_section_data
 190 #endif
 191 #ifndef bfd_elfNN_bfd_copy_private_header_data
 192 #define bfd_elfNN_bfd_copy_private_header_data \
 193   _bfd_elf_copy_private_header_data
 194 #endif
 195 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
 196 #define bfd_elfNN_bfd_copy_private_bfd_data \
 197   _bfd_elf_copy_private_bfd_data
 198 #endif
 199 #ifndef bfd_elfNN_bfd_print_private_bfd_data
 200 #define bfd_elfNN_bfd_print_private_bfd_data \
 201   _bfd_elf_print_private_bfd_data
 202 #endif
 203 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
 204 #define bfd_elfNN_bfd_merge_private_bfd_data \
 205   ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
 206 #endif
 207 #ifndef bfd_elfNN_bfd_set_private_flags
 208 #define bfd_elfNN_bfd_set_private_flags \
 209   ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
 210 #endif
 211 #ifndef bfd_elfNN_bfd_is_local_label_name
 212 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
 213 #endif
 214 #ifndef bfd_elfNN_bfd_is_target_special_symbol
 215 #define bfd_elfNN_bfd_is_target_special_symbol \
 216   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
 217 #endif
 218
 219 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
 220 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
 221   _bfd_elf_get_dynamic_reloc_upper_bound
 222 #endif
 223 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
 224 #define bfd_elfNN_canonicalize_dynamic_reloc \
 225   _bfd_elf_canonicalize_dynamic_reloc
 226 #endif
 227
 228 #ifndef bfd_elfNN_bfd_link_hash_table_free
 229 #define bfd_elfNN_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
 230 #endif
 231
 232 #ifdef elf_backend_relocate_section
 233 #ifndef bfd_elfNN_bfd_link_hash_table_create
 234 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
 235 #endif
 236 #ifndef bfd_elfNN_bfd_link_add_symbols
 237 #define bfd_elfNN_bfd_link_add_symbols  bfd_elf_link_add_symbols
 238 #endif
 239 #ifndef bfd_elfNN_bfd_final_link
 240 #define bfd_elfNN_bfd_final_link        bfd_elf_final_link
 241 #endif
 242 #else /* ! defined (elf_backend_relocate_section) */
 243 /* If no backend relocate_section routine, use the generic linker.
 244    Note - this will prevent the port from being able to use some of
 245    the other features of the ELF linker, because the generic hash structure
 246    does not have the fields needed by the ELF linker.  In particular it
 247    means that linking directly to S-records will not work.  */
 248 #ifndef bfd_elfNN_bfd_link_hash_table_create
 249 #define bfd_elfNN_bfd_link_hash_table_create \
 250   _bfd_generic_link_hash_table_create
 251 #endif
 252 #ifndef bfd_elfNN_bfd_link_add_symbols
 253 #define bfd_elfNN_bfd_link_add_symbols  _bfd_generic_link_add_symbols
 254 #endif
 255 #ifndef bfd_elfNN_bfd_final_link
 256 #define bfd_elfNN_bfd_final_link        _bfd_generic_final_link
 257 #endif
 258 #endif /* ! defined (elf_backend_relocate_section) */
 259
 260 #ifndef bfd_elfNN_bfd_link_just_syms
 261 #define bfd_elfNN_bfd_link_just_syms    _bfd_elf_link_just_syms
 262 #endif
 263
 264 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
 265 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
 266   _bfd_elf_copy_link_hash_symbol_type
 267 #endif
 268
 269 #ifndef bfd_elfNN_bfd_link_split_section
 270 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
 271 #endif
 272
 273 #ifndef bfd_elfNN_archive_p
 274 #define bfd_elfNN_archive_p bfd_generic_archive_p
 275 #endif
 276
 277 #ifndef bfd_elfNN_write_archive_contents
 278 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
 279 #endif
 280
 281 #ifndef bfd_elfNN_mkobject
 282 #define bfd_elfNN_mkobject bfd_elf_make_object
 283 #endif
 284
 285 #ifndef bfd_elfNN_mkcorefile
 286 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
 287 #endif
 288
 289 #ifndef bfd_elfNN_mkarchive
 290 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
 291 #endif
 292
 293 #ifndef bfd_elfNN_print_symbol
 294 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
 295 #endif
 296
 297 #ifndef elf_symbol_leading_char
 298 #define elf_symbol_leading_char 0
 299 #endif
 300
 301 #ifndef elf_info_to_howto
 302 #define elf_info_to_howto 0
 303 #endif
 304
 305 #ifndef elf_info_to_howto_rel
 306 #define elf_info_to_howto_rel 0
 307 #endif
 308
 309 #ifndef ELF_TARGET_ID
 310 #define ELF_TARGET_ID   GENERIC_ELF_DATA
 311 #endif
 312
 313 #ifndef ELF_OSABI
 314 #define ELF_OSABI ELFOSABI_NONE
 315 #endif
 316
 317 #ifndef ELF_MAXPAGESIZE
 318 # error ELF_MAXPAGESIZE is not defined
 319 #define ELF_MAXPAGESIZE 1
 320 #endif
 321
 322 #ifndef ELF_COMMONPAGESIZE
 323 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
 324 #endif
 325
 326 #ifndef ELF_MINPAGESIZE
 327 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
 328 #endif
 329
 330 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
 331 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
 332 #endif
 333 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
 334 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
 335 #endif
 336
 337 #ifndef ELF_DYNAMIC_SEC_FLAGS
 338 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
 339 #define ELF_DYNAMIC_SEC_FLAGS                   \
 340   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
 341    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
 342 #endif
 343
 344 #ifndef elf_backend_collect
 345 #define elf_backend_collect FALSE
 346 #endif
 347 #ifndef elf_backend_type_change_ok
 348 #define elf_backend_type_change_ok FALSE
 349 #endif
 350
 351 #ifndef elf_backend_sym_is_global
 352 #define elf_backend_sym_is_global       0
 353 #endif
 354 #ifndef elf_backend_object_p
 355 #define elf_backend_object_p            0
 356 #endif
 357 #ifndef elf_backend_symbol_processing
 358 #define elf_backend_symbol_processing   0
 359 #endif
 360 #ifndef elf_backend_symbol_table_processing
 361 #define elf_backend_symbol_table_processing     0
 362 #endif
 363 #ifndef elf_backend_get_symbol_type
 364 #define elf_backend_get_symbol_type 0
 365 #endif
 366 #ifndef elf_backend_archive_symbol_lookup
 367 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
 368 #endif
 369 #ifndef elf_backend_name_local_section_symbols
 370 #define elf_backend_name_local_section_symbols  0
 371 #endif
 372 #ifndef elf_backend_section_processing
 373 #define elf_backend_section_processing  0
 374 #endif
 375 #ifndef elf_backend_section_from_shdr
 376 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
 377 #endif
 378 #ifndef elf_backend_section_flags
 379 #define elf_backend_section_flags       0
 380 #endif
 381 #ifndef elf_backend_get_sec_type_attr
 382 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
 383 #endif
 384 #ifndef elf_backend_section_from_phdr
 385 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
 386 #endif
 387 #ifndef elf_backend_fake_sections
 388 #define elf_backend_fake_sections       0
 389 #endif
 390 #ifndef elf_backend_section_from_bfd_section
 391 #define elf_backend_section_from_bfd_section    0
 392 #endif
 393 #ifndef elf_backend_add_symbol_hook
 394 #define elf_backend_add_symbol_hook     0
 395 #endif
 396 #ifndef elf_backend_link_output_symbol_hook
 397 #define elf_backend_link_output_symbol_hook 0
 398 #endif
 399 #ifndef elf_backend_create_dynamic_sections
 400 #define elf_backend_create_dynamic_sections 0
 401 #endif
 402 #ifndef elf_backend_omit_section_dynsym
 403 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
 404 #endif
 405 #ifndef elf_backend_relocs_compatible
 406 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
 407 #endif
 408 #ifndef elf_backend_check_relocs
 409 #define elf_backend_check_relocs        0
 410 #endif
 411 #ifndef elf_backend_check_directives
 412 #define elf_backend_check_directives    0
 413 #endif
 414 #ifndef elf_backend_as_needed_cleanup
 415 #define elf_backend_as_needed_cleanup   0
 416 #endif
 417 #ifndef elf_backend_adjust_dynamic_symbol
 418 #define elf_backend_adjust_dynamic_symbol 0
 419 #endif
 420 #ifndef elf_backend_always_size_sections
 421 #define elf_backend_always_size_sections 0
 422 #endif
 423 #ifndef elf_backend_size_dynamic_sections
 424 #define elf_backend_size_dynamic_sections 0
 425 #endif
 426 #ifndef elf_backend_init_index_section
 427 #define elf_backend_init_index_section \
 428  ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
 429 #endif
 430 #ifndef elf_backend_relocate_section
 431 #define elf_backend_relocate_section    0
 432 #endif
 433 #ifndef elf_backend_finish_dynamic_symbol
 434 #define elf_backend_finish_dynamic_symbol       0
 435 #endif
 436 #ifndef elf_backend_finish_dynamic_sections
 437 #define elf_backend_finish_dynamic_sections     0
 438 #endif
 439 #ifndef elf_backend_begin_write_processing
 440 #define elf_backend_begin_write_processing      0
 441 #endif
 442 #ifndef elf_backend_final_write_processing
 443 #define elf_backend_final_write_processing      0
 444 #endif
 445 #ifndef elf_backend_additional_program_headers
 446 #define elf_backend_additional_program_headers  0
 447 #endif
 448 #ifndef elf_backend_modify_segment_map
 449 #define elf_backend_modify_segment_map  0
 450 #endif
 451 #ifndef elf_backend_modify_program_headers
 452 #define elf_backend_modify_program_headers      0
 453 #endif
 454 #ifndef elf_backend_ecoff_debug_swap
 455 #define elf_backend_ecoff_debug_swap    0
 456 #endif
 457 #ifndef elf_backend_bfd_from_remote_memory
 458 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
 459 #endif
 460 #ifndef elf_backend_got_header_size
 461 #define elf_backend_got_header_size     0
 462 #endif
 463 #ifndef elf_backend_got_elt_size
 464 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
 465 #endif
 466 #ifndef elf_backend_obj_attrs_vendor
 467 #define elf_backend_obj_attrs_vendor            NULL
 468 #endif
 469 #ifndef elf_backend_obj_attrs_section
 470 #define elf_backend_obj_attrs_section           NULL
 471 #endif
 472 #ifndef elf_backend_obj_attrs_arg_type
 473 #define elf_backend_obj_attrs_arg_type          NULL
 474 #endif
 475 #ifndef elf_backend_obj_attrs_section_type
 476 #define elf_backend_obj_attrs_section_type              SHT_GNU_ATTRIBUTES
 477 #endif
 478 #ifndef elf_backend_obj_attrs_order
 479 #define elf_backend_obj_attrs_order             NULL
 480 #endif
 481 #ifndef elf_backend_obj_attrs_handle_unknown
 482 #define elf_backend_obj_attrs_handle_unknown    NULL
 483 #endif
 484 #ifndef elf_backend_static_tls_alignment
 485 #define elf_backend_static_tls_alignment        1
 486 #endif
 487 #ifndef elf_backend_post_process_headers
 488 #define elf_backend_post_process_headers        NULL
 489 #endif
 490 #ifndef elf_backend_print_symbol_all
 491 #define elf_backend_print_symbol_all            NULL
 492 #endif
 493 #ifndef elf_backend_output_arch_local_syms
 494 #define elf_backend_output_arch_local_syms      NULL
 495 #endif
 496 #ifndef elf_backend_output_arch_syms
 497 #define elf_backend_output_arch_syms            NULL
 498 #endif
 499 #ifndef elf_backend_copy_indirect_symbol
 500 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
 501 #endif
 502 #ifndef elf_backend_hide_symbol
 503 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
 504 #endif
 505 #ifndef elf_backend_fixup_symbol
 506 #define elf_backend_fixup_symbol                NULL
 507 #endif
 508 #ifndef elf_backend_merge_symbol_attribute
 509 #define elf_backend_merge_symbol_attribute      NULL
 510 #endif
 511 #ifndef elf_backend_get_target_dtag
 512 #define elf_backend_get_target_dtag             NULL
 513 #endif
 514 #ifndef elf_backend_ignore_undef_symbol
 515 #define elf_backend_ignore_undef_symbol         NULL
 516 #endif
 517 #ifndef elf_backend_emit_relocs
 518 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
 519 #endif
 520 #ifndef elf_backend_count_relocs
 521 #define elf_backend_count_relocs                NULL
 522 #endif
 523 #ifndef elf_backend_grok_prstatus
 524 #define elf_backend_grok_prstatus               NULL
 525 #endif
 526 #ifndef elf_backend_grok_psinfo
 527 #define elf_backend_grok_psinfo                 NULL
 528 #endif
 529 #ifndef elf_backend_write_core_note
 530 #define elf_backend_write_core_note             NULL
 531 #endif
 532 #ifndef elf_backend_reloc_type_class
 533 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
 534 #endif
 535 #ifndef elf_backend_discard_info
 536 #define elf_backend_discard_info                NULL
 537 #endif
 538 #ifndef elf_backend_ignore_discarded_relocs
 539 #define elf_backend_ignore_discarded_relocs     NULL
 540 #endif
 541 #ifndef elf_backend_action_discarded
 542 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
 543 #endif
 544 #ifndef elf_backend_eh_frame_address_size
 545 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
 546 #endif
 547 #ifndef elf_backend_can_make_relative_eh_frame
 548 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
 549 #endif
 550 #ifndef elf_backend_can_make_lsda_relative_eh_frame
 551 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
 552 #endif
 553 #ifndef elf_backend_encode_eh_address
 554 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
 555 #endif
 556 #ifndef elf_backend_write_section
 557 #define elf_backend_write_section               NULL
 558 #endif
 559 #ifndef elf_backend_mips_irix_compat
 560 #define elf_backend_mips_irix_compat            NULL
 561 #endif
 562 #ifndef elf_backend_mips_rtype_to_howto
 563 #define elf_backend_mips_rtype_to_howto         NULL
 564 #endif
 565
 566 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
 567    sections, but not both.  They defined USE_REL to indicate SHT_REL
 568    sections, and left it undefined to indicated SHT_RELA sections.
 569    For backwards compatibility, we still support this usage.  */
 570 #ifndef USE_REL
 571 #define USE_REL 0
 572 #endif
 573
 574 /* Use these in new code.  */
 575 #ifndef elf_backend_may_use_rel_p
 576 #define elf_backend_may_use_rel_p USE_REL
 577 #endif
 578 #ifndef elf_backend_may_use_rela_p
 579 #define elf_backend_may_use_rela_p !USE_REL
 580 #endif
 581 #ifndef elf_backend_default_use_rela_p
 582 #define elf_backend_default_use_rela_p !USE_REL
 583 #endif
 584 #ifndef elf_backend_rela_plts_and_copies_p
 585 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
 586 #endif
 587
 588 #ifndef elf_backend_rela_normal
 589 #define elf_backend_rela_normal 0
 590 #endif
 591
 592 #ifndef elf_backend_plt_sym_val
 593 #define elf_backend_plt_sym_val NULL
 594 #endif
 595 #ifndef elf_backend_relplt_name
 596 #define elf_backend_relplt_name NULL
 597 #endif
 598
 599 #ifndef ELF_MACHINE_ALT1
 600 #define ELF_MACHINE_ALT1 0
 601 #endif
 602
 603 #ifndef ELF_MACHINE_ALT2
 604 #define ELF_MACHINE_ALT2 0
 605 #endif
 606
 607 #ifndef elf_backend_size_info
 608 #define elf_backend_size_info _bfd_elfNN_size_info
 609 #endif
 610
 611 #ifndef elf_backend_special_sections
 612 #define elf_backend_special_sections NULL
 613 #endif
 614
 615 #ifndef elf_backend_sign_extend_vma
 616 #define elf_backend_sign_extend_vma 0
 617 #endif
 618
 619 #ifndef elf_backend_link_order_error_handler
 620 #define elf_backend_link_order_error_handler _bfd_default_error_handler
 621 #endif
 622
 623 #ifndef elf_backend_common_definition
 624 #define elf_backend_common_definition _bfd_elf_common_definition
 625 #endif
 626
 627 #ifndef elf_backend_common_section_index
 628 #define elf_backend_common_section_index _bfd_elf_common_section_index
 629 #endif
 630
 631 #ifndef elf_backend_common_section
 632 #define elf_backend_common_section _bfd_elf_common_section
 633 #endif
 634
 635 #ifndef elf_backend_merge_symbol
 636 #define elf_backend_merge_symbol NULL
 637 #endif
 638
 639 #ifndef elf_backend_hash_symbol
 640 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
 641 #endif
 642
 643 #ifndef elf_backend_is_function_type
 644 #define elf_backend_is_function_type _bfd_elf_is_function_type
 645 #endif
 646
 647 #ifndef elf_match_priority
 648 #define elf_match_priority \
 649   (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
 650 #endif
 651
 652 extern const struct elf_size_info _bfd_elfNN_size_info;
 653
 654 static struct elf_backend_data elfNN_bed =
 655 {
 656   ELF_ARCH,                     /* arch */
 657   ELF_TARGET_ID,                /* target_id */
 658   ELF_MACHINE_CODE,             /* elf_machine_code */
 659   ELF_OSABI,                    /* elf_osabi  */
 660   ELF_MAXPAGESIZE,              /* maxpagesize */
 661   ELF_MINPAGESIZE,              /* minpagesize */
 662   ELF_COMMONPAGESIZE,           /* commonpagesize */
 663   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
 664   elf_info_to_howto,
 665   elf_info_to_howto_rel,
 666   elf_backend_sym_is_global,
 667   elf_backend_object_p,
 668   elf_backend_symbol_processing,
 669   elf_backend_symbol_table_processing,
 670   elf_backend_get_symbol_type,
 671   elf_backend_archive_symbol_lookup,
 672   elf_backend_name_local_section_symbols,
 673   elf_backend_section_processing,
 674   elf_backend_section_from_shdr,
 675   elf_backend_section_flags,
 676   elf_backend_get_sec_type_attr,
 677   elf_backend_section_from_phdr,
 678   elf_backend_fake_sections,
 679   elf_backend_section_from_bfd_section,
 680   elf_backend_add_symbol_hook,
 681   elf_backend_link_output_symbol_hook,
 682   elf_backend_create_dynamic_sections,
 683   elf_backend_omit_section_dynsym,
 684   elf_backend_relocs_compatible,
 685   elf_backend_check_relocs,
 686   elf_backend_check_directives,
 687   elf_backend_as_needed_cleanup,
 688   elf_backend_adjust_dynamic_symbol,
 689   elf_backend_always_size_sections,
 690   elf_backend_size_dynamic_sections,
 691   elf_backend_init_index_section,
 692   elf_backend_relocate_section,
 693   elf_backend_finish_dynamic_symbol,
 694   elf_backend_finish_dynamic_sections,
 695   elf_backend_begin_write_processing,
 696   elf_backend_final_write_processing,
 697   elf_backend_additional_program_headers,
 698   elf_backend_modify_segment_map,
 699   elf_backend_modify_program_headers,
 700   elf_backend_gc_keep,
 701   elf_backend_gc_mark_dynamic_ref,
 702   elf_backend_gc_mark_hook,
 703   elf_backend_gc_mark_extra_sections,
 704   elf_backend_gc_sweep_hook,
 705   elf_backend_post_process_headers,
 706   elf_backend_print_symbol_all,
 707   elf_backend_output_arch_local_syms,
 708   elf_backend_output_arch_syms,
 709   elf_backend_copy_indirect_symbol,
 710   elf_backend_hide_symbol,
 711   elf_backend_fixup_symbol,
 712   elf_backend_merge_symbol_attribute,
 713   elf_backend_get_target_dtag,
 714   elf_backend_ignore_undef_symbol,
 715   elf_backend_emit_relocs,
 716   elf_backend_count_relocs,
 717   elf_backend_grok_prstatus,
 718   elf_backend_grok_psinfo,
 719   elf_backend_write_core_note,
 720   elf_backend_reloc_type_class,
 721   elf_backend_discard_info,
 722   elf_backend_ignore_discarded_relocs,
 723   elf_backend_action_discarded,
 724   elf_backend_eh_frame_address_size,
 725   elf_backend_can_make_relative_eh_frame,
 726   elf_backend_can_make_lsda_relative_eh_frame,
 727   elf_backend_encode_eh_address,
 728   elf_backend_write_section,
 729   elf_backend_mips_irix_compat,
 730   elf_backend_mips_rtype_to_howto,
 731   elf_backend_ecoff_debug_swap,
 732   elf_backend_bfd_from_remote_memory,
 733   elf_backend_plt_sym_val,
 734   elf_backend_common_definition,
 735   elf_backend_common_section_index,
 736   elf_backend_common_section,
 737   elf_backend_merge_symbol,
 738   elf_backend_hash_symbol,
 739   elf_backend_is_function_type,
 740   elf_backend_link_order_error_handler,
 741   elf_backend_relplt_name,
 742   ELF_MACHINE_ALT1,
 743   ELF_MACHINE_ALT2,
 744   &elf_backend_size_info,
 745   elf_backend_special_sections,
 746   elf_backend_got_header_size,
 747   elf_backend_got_elt_size,
 748   elf_backend_obj_attrs_vendor,
 749   elf_backend_obj_attrs_section,
 750   elf_backend_obj_attrs_arg_type,
 751   elf_backend_obj_attrs_section_type,
 752   elf_backend_obj_attrs_order,
 753   elf_backend_obj_attrs_handle_unknown,
 754   elf_backend_static_tls_alignment,
 755   elf_backend_collect,
 756   elf_backend_type_change_ok,
 757   elf_backend_may_use_rel_p,
 758   elf_backend_may_use_rela_p,
 759   elf_backend_default_use_rela_p,
 760   elf_backend_rela_plts_and_copies_p,
 761   elf_backend_rela_normal,
 762   elf_backend_sign_extend_vma,
 763   elf_backend_want_got_plt,
 764   elf_backend_plt_readonly,
 765   elf_backend_want_plt_sym,
 766   elf_backend_plt_not_loaded,
 767   elf_backend_plt_alignment,
 768   elf_backend_can_gc_sections,
 769   elf_backend_can_refcount,
 770   elf_backend_want_got_sym,
 771   elf_backend_want_dynbss,
 772   elf_backend_want_p_paddr_set_to_zero,
 773   elf_backend_default_execstack
 774 };
 775
 776 /* Forward declaration for use when initialising alternative_target field.  */
 777 #ifdef TARGET_LITTLE_SYM
 778 extern const bfd_target TARGET_LITTLE_SYM;
 779 #endif
 780
 781 #ifdef TARGET_BIG_SYM
 782 const bfd_target TARGET_BIG_SYM =
 783 {
 784   /* name: identify kind of target */
 785   TARGET_BIG_NAME,
 786
 787   /* flavour: general indication about file */
 788   bfd_target_elf_flavour,
 789
 790   /* byteorder: data is big endian */
 791   BFD_ENDIAN_BIG,
 792
 793   /* header_byteorder: header is also big endian */
 794   BFD_ENDIAN_BIG,
 795
 796   /* object_flags: mask of all file flags */
 797   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 798    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS),
 799
 800   /* section_flags: mask of all section flags */
 801   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 802    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 803    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 804
 805    /* leading_symbol_char: is the first char of a user symbol
 806       predictable, and if so what is it */
 807   elf_symbol_leading_char,
 808
 809   /* ar_pad_char: pad character for filenames within an archive header
 810      FIXME:  this really has nothing to do with ELF, this is a characteristic
 811      of the archiver and/or os and should be independently tunable */
 812   '/',
 813
 814   /* ar_max_namelen: maximum number of characters in an archive header
 815      FIXME:  this really has nothing to do with ELF, this is a characteristic
 816      of the archiver and should be independently tunable.  The System V ABI,
 817      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 818   15,
 819
 820   elf_match_priority,
 821
 822   /* Routines to byte-swap various sized integers from the data sections */
 823   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 824     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 825     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 826
 827   /* Routines to byte-swap various sized integers from the file headers */
 828   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 829     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 830     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 831
 832   /* bfd_check_format: check the format of a file being read */
 833   { _bfd_dummy_target,          /* unknown format */
 834     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 835     bfd_elfNN_archive_p,        /* an archive */
 836     bfd_elfNN_core_file_p       /* a core file */
 837   },
 838
 839   /* bfd_set_format: set the format of a file being written */
 840   { bfd_false,
 841     bfd_elfNN_mkobject,
 842     bfd_elfNN_mkarchive,
 843     bfd_elfNN_mkcorefile
 844   },
 845
 846   /* bfd_write_contents: write cached information into a file being written */
 847   { bfd_false,
 848     bfd_elfNN_write_object_contents,
 849     bfd_elfNN_write_archive_contents,
 850     bfd_elfNN_write_corefile_contents,
 851   },
 852
 853   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 854   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 855   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 856 #ifdef bfd_elfNN_archive_functions
 857   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 858 #else
 859   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 860 #endif
 861   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 862   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 863   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 864   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 865   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 866
 867   /* Alternative endian target.  */
 868 #ifdef TARGET_LITTLE_SYM
 869   & TARGET_LITTLE_SYM,
 870 #else
 871   NULL,
 872 #endif
 873
 874   /* backend_data: */
 875   &elfNN_bed
 876 };
 877 #endif
 878
 879 #ifdef TARGET_LITTLE_SYM
 880 const bfd_target TARGET_LITTLE_SYM =
 881 {
 882   /* name: identify kind of target */
 883   TARGET_LITTLE_NAME,
 884
 885   /* flavour: general indication about file */
 886   bfd_target_elf_flavour,
 887
 888   /* byteorder: data is little endian */
 889   BFD_ENDIAN_LITTLE,
 890
 891   /* header_byteorder: header is also little endian */
 892   BFD_ENDIAN_LITTLE,
 893
 894   /* object_flags: mask of all file flags */
 895   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 896    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS),
 897
 898   /* section_flags: mask of all section flags */
 899   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 900    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 901    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 902
 903    /* leading_symbol_char: is the first char of a user symbol
 904       predictable, and if so what is it */
 905   elf_symbol_leading_char,
 906
 907   /* ar_pad_char: pad character for filenames within an archive header
 908      FIXME:  this really has nothing to do with ELF, this is a characteristic
 909      of the archiver and/or os and should be independently tunable */
 910   '/',
 911
 912   /* ar_max_namelen: maximum number of characters in an archive header
 913      FIXME:  this really has nothing to do with ELF, this is a characteristic
 914      of the archiver and should be independently tunable.  The System V ABI,
 915      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 916   15,
 917
 918   elf_match_priority,
 919
 920   /* Routines to byte-swap various sized integers from the data sections */
 921   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 922     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 923     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 924
 925   /* Routines to byte-swap various sized integers from the file headers */
 926   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 927     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 928     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 929
 930   /* bfd_check_format: check the format of a file being read */
 931   { _bfd_dummy_target,          /* unknown format */
 932     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 933     bfd_elfNN_archive_p,        /* an archive */
 934     bfd_elfNN_core_file_p       /* a core file */
 935   },
 936
 937   /* bfd_set_format: set the format of a file being written */
 938   { bfd_false,
 939     bfd_elfNN_mkobject,
 940     bfd_elfNN_mkarchive,
 941     bfd_elfNN_mkcorefile
 942   },
 943
 944   /* bfd_write_contents: write cached information into a file being written */
 945   { bfd_false,
 946     bfd_elfNN_write_object_contents,
 947     bfd_elfNN_write_archive_contents,
 948     bfd_elfNN_write_corefile_contents,
 949   },
 950
 951   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 952   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 953   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 954 #ifdef bfd_elfNN_archive_functions
 955   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 956 #else
 957   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 958 #endif
 959   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 960   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 961   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 962   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 963   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 964
 965   /* Alternative endian target.  */
 966 #ifdef TARGET_BIG_SYM
 967   & TARGET_BIG_SYM,
 968 #else
 969   NULL,
 970 #endif
 971
 972   /* backend_data: */
 973   &elfNN_bed
 974 };
 975 #endif