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_COMMONPAGESIZE
 298 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
 299 #endif
 300
 301 #ifndef ELF_DYNAMIC_SEC_FLAGS
 302 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
 303 #define ELF_DYNAMIC_SEC_FLAGS                   \
 304   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
 305    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
 306 #endif
 307
 308 #ifndef elf_backend_collect
 309 #define elf_backend_collect FALSE
 310 #endif
 311 #ifndef elf_backend_type_change_ok
 312 #define elf_backend_type_change_ok FALSE
 313 #endif
 314
 315 #ifndef elf_backend_sym_is_global
 316 #define elf_backend_sym_is_global       0
 317 #endif
 318 #ifndef elf_backend_object_p
 319 #define elf_backend_object_p            0
 320 #endif
 321 #ifndef elf_backend_symbol_processing
 322 #define elf_backend_symbol_processing   0
 323 #endif
 324 #ifndef elf_backend_symbol_table_processing
 325 #define elf_backend_symbol_table_processing     0
 326 #endif
 327 #ifndef elf_backend_get_symbol_type
 328 #define elf_backend_get_symbol_type 0
 329 #endif
 330 #ifndef elf_backend_archive_symbol_lookup
 331 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
 332 #endif
 333 #ifndef elf_backend_name_local_section_symbols
 334 #define elf_backend_name_local_section_symbols  0
 335 #endif
 336 #ifndef elf_backend_section_processing
 337 #define elf_backend_section_processing  0
 338 #endif
 339 #ifndef elf_backend_section_from_shdr
 340 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
 341 #endif
 342 #ifndef elf_backend_section_flags
 343 #define elf_backend_section_flags       0
 344 #endif
 345 #ifndef elf_backend_get_sec_type_attr
 346 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
 347 #endif
 348 #ifndef elf_backend_section_from_phdr
 349 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
 350 #endif
 351 #ifndef elf_backend_fake_sections
 352 #define elf_backend_fake_sections       0
 353 #endif
 354 #ifndef elf_backend_section_from_bfd_section
 355 #define elf_backend_section_from_bfd_section    0
 356 #endif
 357 #ifndef elf_backend_add_symbol_hook
 358 #define elf_backend_add_symbol_hook     0
 359 #endif
 360 #ifndef elf_backend_link_output_symbol_hook
 361 #define elf_backend_link_output_symbol_hook 0
 362 #endif
 363 #ifndef elf_backend_create_dynamic_sections
 364 #define elf_backend_create_dynamic_sections 0
 365 #endif
 366 #ifndef elf_backend_omit_section_dynsym
 367 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
 368 #endif
 369 #ifndef elf_backend_check_relocs
 370 #define elf_backend_check_relocs        0
 371 #endif
 372 #ifndef elf_backend_check_directives
 373 #define elf_backend_check_directives    0
 374 #endif
 375 #ifndef elf_backend_adjust_dynamic_symbol
 376 #define elf_backend_adjust_dynamic_symbol 0
 377 #endif
 378 #ifndef elf_backend_always_size_sections
 379 #define elf_backend_always_size_sections 0
 380 #endif
 381 #ifndef elf_backend_size_dynamic_sections
 382 #define elf_backend_size_dynamic_sections 0
 383 #endif
 384 #ifndef elf_backend_relocate_section
 385 #define elf_backend_relocate_section    0
 386 #endif
 387 #ifndef elf_backend_finish_dynamic_symbol
 388 #define elf_backend_finish_dynamic_symbol       0
 389 #endif
 390 #ifndef elf_backend_finish_dynamic_sections
 391 #define elf_backend_finish_dynamic_sections     0
 392 #endif
 393 #ifndef elf_backend_begin_write_processing
 394 #define elf_backend_begin_write_processing      0
 395 #endif
 396 #ifndef elf_backend_final_write_processing
 397 #define elf_backend_final_write_processing      0
 398 #endif
 399 #ifndef elf_backend_additional_program_headers
 400 #define elf_backend_additional_program_headers  0
 401 #endif
 402 #ifndef elf_backend_modify_segment_map
 403 #define elf_backend_modify_segment_map  0
 404 #endif
 405 #ifndef elf_backend_modify_program_headers
 406 #define elf_backend_modify_program_headers      0
 407 #endif
 408 #ifndef elf_backend_ecoff_debug_swap
 409 #define elf_backend_ecoff_debug_swap    0
 410 #endif
 411 #ifndef elf_backend_bfd_from_remote_memory
 412 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
 413 #endif
 414 #ifndef elf_backend_got_header_size
 415 #define elf_backend_got_header_size     0
 416 #endif
 417 #ifndef elf_backend_post_process_headers
 418 #define elf_backend_post_process_headers        NULL
 419 #endif
 420 #ifndef elf_backend_print_symbol_all
 421 #define elf_backend_print_symbol_all            NULL
 422 #endif
 423 #ifndef elf_backend_output_arch_local_syms
 424 #define elf_backend_output_arch_local_syms      NULL
 425 #endif
 426 #ifndef elf_backend_output_arch_syms
 427 #define elf_backend_output_arch_syms            NULL
 428 #endif
 429 #ifndef elf_backend_copy_indirect_symbol
 430 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
 431 #endif
 432 #ifndef elf_backend_hide_symbol
 433 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
 434 #endif
 435 #ifndef elf_backend_fixup_symbol
 436 #define elf_backend_fixup_symbol                NULL
 437 #endif
 438 #ifndef elf_backend_merge_symbol_attribute
 439 #define elf_backend_merge_symbol_attribute      NULL
 440 #endif
 441 #ifndef elf_backend_ignore_undef_symbol
 442 #define elf_backend_ignore_undef_symbol         NULL
 443 #endif
 444 #ifndef elf_backend_emit_relocs
 445 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
 446 #endif
 447 #ifndef elf_backend_count_relocs
 448 #define elf_backend_count_relocs                NULL
 449 #endif
 450 #ifndef elf_backend_grok_prstatus
 451 #define elf_backend_grok_prstatus               NULL
 452 #endif
 453 #ifndef elf_backend_grok_psinfo
 454 #define elf_backend_grok_psinfo                 NULL
 455 #endif
 456 #ifndef elf_backend_sprintf_vma
 457 #define elf_backend_sprintf_vma                 _bfd_elf_sprintf_vma
 458 #endif
 459 #ifndef elf_backend_fprintf_vma
 460 #define elf_backend_fprintf_vma                 _bfd_elf_fprintf_vma
 461 #endif
 462 #ifndef elf_backend_reloc_type_class
 463 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
 464 #endif
 465 #ifndef elf_backend_discard_info
 466 #define elf_backend_discard_info                NULL
 467 #endif
 468 #ifndef elf_backend_ignore_discarded_relocs
 469 #define elf_backend_ignore_discarded_relocs     NULL
 470 #endif
 471 #ifndef elf_backend_action_discarded
 472 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
 473 #endif
 474 #ifndef elf_backend_eh_frame_address_size
 475 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
 476 #endif
 477 #ifndef elf_backend_can_make_relative_eh_frame
 478 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
 479 #endif
 480 #ifndef elf_backend_can_make_lsda_relative_eh_frame
 481 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
 482 #endif
 483 #ifndef elf_backend_encode_eh_address
 484 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
 485 #endif
 486 #ifndef elf_backend_write_section
 487 #define elf_backend_write_section               NULL
 488 #endif
 489 #ifndef elf_backend_mips_irix_compat
 490 #define elf_backend_mips_irix_compat            NULL
 491 #endif
 492 #ifndef elf_backend_mips_rtype_to_howto
 493 #define elf_backend_mips_rtype_to_howto         NULL
 494 #endif
 495
 496 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
 497    sections, but not both.  They defined USE_REL to indicate SHT_REL
 498    sections, and left it undefined to indicated SHT_RELA sections.
 499    For backwards compatibility, we still support this usage.  */
 500 #ifndef USE_REL
 501 #define USE_REL 0
 502 #endif
 503
 504 /* Use these in new code.  */
 505 #ifndef elf_backend_may_use_rel_p
 506 #define elf_backend_may_use_rel_p USE_REL
 507 #endif
 508 #ifndef elf_backend_may_use_rela_p
 509 #define elf_backend_may_use_rela_p !USE_REL
 510 #endif
 511 #ifndef elf_backend_default_use_rela_p
 512 #define elf_backend_default_use_rela_p !USE_REL
 513 #endif
 514
 515 #ifndef elf_backend_rela_normal
 516 #define elf_backend_rela_normal 0
 517 #endif
 518
 519 #ifndef elf_backend_plt_sym_val
 520 #define elf_backend_plt_sym_val NULL
 521 #endif
 522 #ifndef elf_backend_relplt_name
 523 #define elf_backend_relplt_name NULL
 524 #endif
 525
 526 #ifndef ELF_MACHINE_ALT1
 527 #define ELF_MACHINE_ALT1 0
 528 #endif
 529
 530 #ifndef ELF_MACHINE_ALT2
 531 #define ELF_MACHINE_ALT2 0
 532 #endif
 533
 534 #ifndef elf_backend_size_info
 535 #define elf_backend_size_info _bfd_elfNN_size_info
 536 #endif
 537
 538 #ifndef elf_backend_special_sections
 539 #define elf_backend_special_sections NULL
 540 #endif
 541
 542 #ifndef elf_backend_sign_extend_vma
 543 #define elf_backend_sign_extend_vma 0
 544 #endif
 545
 546 #ifndef elf_backend_link_order_error_handler
 547 #define elf_backend_link_order_error_handler _bfd_default_error_handler
 548 #endif
 549
 550 #ifndef elf_backend_common_definition
 551 #define elf_backend_common_definition _bfd_elf_common_definition
 552 #endif
 553
 554 #ifndef elf_backend_common_section_index
 555 #define elf_backend_common_section_index _bfd_elf_common_section_index
 556 #endif
 557
 558 #ifndef elf_backend_common_section
 559 #define elf_backend_common_section _bfd_elf_common_section
 560 #endif
 561
 562 #ifndef elf_backend_merge_symbol
 563 #define elf_backend_merge_symbol NULL
 564 #endif
 565
 566 extern const struct elf_size_info _bfd_elfNN_size_info;
 567
 568 #ifndef INCLUDED_TARGET_FILE
 569 static struct elf_backend_data elfNN_bed =
 570 {
 571   ELF_ARCH,                     /* arch */
 572   ELF_MACHINE_CODE,             /* elf_machine_code */
 573   ELF_MAXPAGESIZE,              /* maxpagesize */
 574   ELF_MINPAGESIZE,              /* minpagesize */
 575   ELF_COMMONPAGESIZE,           /* commonpagesize */
 576   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
 577   elf_info_to_howto,
 578   elf_info_to_howto_rel,
 579   elf_backend_sym_is_global,
 580   elf_backend_object_p,
 581   elf_backend_symbol_processing,
 582   elf_backend_symbol_table_processing,
 583   elf_backend_get_symbol_type,
 584   elf_backend_archive_symbol_lookup,
 585   elf_backend_name_local_section_symbols,
 586   elf_backend_section_processing,
 587   elf_backend_section_from_shdr,
 588   elf_backend_section_flags,
 589   elf_backend_get_sec_type_attr,
 590   elf_backend_section_from_phdr,
 591   elf_backend_fake_sections,
 592   elf_backend_section_from_bfd_section,
 593   elf_backend_add_symbol_hook,
 594   elf_backend_link_output_symbol_hook,
 595   elf_backend_create_dynamic_sections,
 596   elf_backend_omit_section_dynsym,
 597   elf_backend_check_relocs,
 598   elf_backend_check_directives,
 599   elf_backend_adjust_dynamic_symbol,
 600   elf_backend_always_size_sections,
 601   elf_backend_size_dynamic_sections,
 602   elf_backend_relocate_section,
 603   elf_backend_finish_dynamic_symbol,
 604   elf_backend_finish_dynamic_sections,
 605   elf_backend_begin_write_processing,
 606   elf_backend_final_write_processing,
 607   elf_backend_additional_program_headers,
 608   elf_backend_modify_segment_map,
 609   elf_backend_modify_program_headers,
 610   elf_backend_gc_mark_dynamic_ref,
 611   elf_backend_gc_mark_hook,
 612   elf_backend_gc_sweep_hook,
 613   elf_backend_post_process_headers,
 614   elf_backend_print_symbol_all,
 615   elf_backend_output_arch_local_syms,
 616   elf_backend_output_arch_syms,
 617   elf_backend_copy_indirect_symbol,
 618   elf_backend_hide_symbol,
 619   elf_backend_fixup_symbol,
 620   elf_backend_merge_symbol_attribute,
 621   elf_backend_ignore_undef_symbol,
 622   elf_backend_emit_relocs,
 623   elf_backend_count_relocs,
 624   elf_backend_grok_prstatus,
 625   elf_backend_grok_psinfo,
 626   elf_backend_sprintf_vma,
 627   elf_backend_fprintf_vma,
 628   elf_backend_reloc_type_class,
 629   elf_backend_discard_info,
 630   elf_backend_ignore_discarded_relocs,
 631   elf_backend_action_discarded,
 632   elf_backend_eh_frame_address_size,
 633   elf_backend_can_make_relative_eh_frame,
 634   elf_backend_can_make_lsda_relative_eh_frame,
 635   elf_backend_encode_eh_address,
 636   elf_backend_write_section,
 637   elf_backend_mips_irix_compat,
 638   elf_backend_mips_rtype_to_howto,
 639   elf_backend_ecoff_debug_swap,
 640   elf_backend_bfd_from_remote_memory,
 641   elf_backend_plt_sym_val,
 642   elf_backend_common_definition,
 643   elf_backend_common_section_index,
 644   elf_backend_common_section,
 645   elf_backend_merge_symbol,
 646   elf_backend_link_order_error_handler,
 647   elf_backend_relplt_name,
 648   ELF_MACHINE_ALT1,
 649   ELF_MACHINE_ALT2,
 650   &elf_backend_size_info,
 651   elf_backend_special_sections,
 652   elf_backend_got_header_size,
 653   elf_backend_collect,
 654   elf_backend_type_change_ok,
 655   elf_backend_may_use_rel_p,
 656   elf_backend_may_use_rela_p,
 657   elf_backend_default_use_rela_p,
 658   elf_backend_rela_normal,
 659   elf_backend_sign_extend_vma,
 660   elf_backend_want_got_plt,
 661   elf_backend_plt_readonly,
 662   elf_backend_want_plt_sym,
 663   elf_backend_plt_not_loaded,
 664   elf_backend_plt_alignment,
 665   elf_backend_can_gc_sections,
 666   elf_backend_can_refcount,
 667   elf_backend_want_got_sym,
 668   elf_backend_want_dynbss,
 669   elf_backend_want_p_paddr_set_to_zero
 670 };
 671 #endif
 672
 673 /* Forward declaration for use when initialising alternative_target field.  */
 674 #ifdef TARGET_LITTLE_SYM
 675 extern const bfd_target TARGET_LITTLE_SYM;
 676 #endif
 677
 678 #ifdef TARGET_BIG_SYM
 679 const bfd_target TARGET_BIG_SYM =
 680 {
 681   /* name: identify kind of target */
 682   TARGET_BIG_NAME,
 683
 684   /* flavour: general indication about file */
 685   bfd_target_elf_flavour,
 686
 687   /* byteorder: data is big endian */
 688   BFD_ENDIAN_BIG,
 689
 690   /* header_byteorder: header is also big endian */
 691   BFD_ENDIAN_BIG,
 692
 693   /* object_flags: mask of all file flags */
 694   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 695    | DYNAMIC | WP_TEXT | D_PAGED),
 696
 697   /* section_flags: mask of all section flags */
 698   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 699    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 700    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 701
 702    /* leading_symbol_char: is the first char of a user symbol
 703       predictable, and if so what is it */
 704   elf_symbol_leading_char,
 705
 706   /* ar_pad_char: pad character for filenames within an archive header
 707      FIXME:  this really has nothing to do with ELF, this is a characteristic
 708      of the archiver and/or os and should be independently tunable */
 709   '/',
 710
 711   /* ar_max_namelen: maximum number of characters in an archive header
 712      FIXME:  this really has nothing to do with ELF, this is a characteristic
 713      of the archiver and should be independently tunable.  The System V ABI,
 714      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 715   15,
 716
 717   /* Routines to byte-swap various sized integers from the data sections */
 718   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 719     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 720     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 721
 722   /* Routines to byte-swap various sized integers from the file headers */
 723   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 724     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 725     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 726
 727   /* bfd_check_format: check the format of a file being read */
 728   { _bfd_dummy_target,          /* unknown format */
 729     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 730     bfd_elfNN_archive_p,        /* an archive */
 731     bfd_elfNN_core_file_p       /* a core file */
 732   },
 733
 734   /* bfd_set_format: set the format of a file being written */
 735   { bfd_false,
 736     bfd_elfNN_mkobject,
 737     bfd_elfNN_mkarchive,
 738     bfd_elfNN_mkcorefile
 739   },
 740
 741   /* bfd_write_contents: write cached information into a file being written */
 742   { bfd_false,
 743     bfd_elfNN_write_object_contents,
 744     bfd_elfNN_write_archive_contents,
 745     bfd_elfNN_write_corefile_contents,
 746   },
 747
 748   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 749   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 750   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 751 #ifdef bfd_elfNN_archive_functions
 752   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 753 #else
 754   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 755 #endif
 756   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 757   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 758   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 759   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 760   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 761
 762   /* Alternative endian target.  */
 763 #ifdef TARGET_LITTLE_SYM
 764   & TARGET_LITTLE_SYM,
 765 #else
 766   NULL,
 767 #endif
 768
 769   /* backend_data: */
 770   &elfNN_bed
 771 };
 772 #endif
 773
 774 #ifdef TARGET_LITTLE_SYM
 775 const bfd_target TARGET_LITTLE_SYM =
 776 {
 777   /* name: identify kind of target */
 778   TARGET_LITTLE_NAME,
 779
 780   /* flavour: general indication about file */
 781   bfd_target_elf_flavour,
 782
 783   /* byteorder: data is little endian */
 784   BFD_ENDIAN_LITTLE,
 785
 786   /* header_byteorder: header is also little endian */
 787   BFD_ENDIAN_LITTLE,
 788
 789   /* object_flags: mask of all file flags */
 790   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 791    | DYNAMIC | WP_TEXT | D_PAGED),
 792
 793   /* section_flags: mask of all section flags */
 794   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 795    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 796    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 797
 798    /* leading_symbol_char: is the first char of a user symbol
 799       predictable, and if so what is it */
 800   elf_symbol_leading_char,
 801
 802   /* ar_pad_char: pad character for filenames within an archive header
 803      FIXME:  this really has nothing to do with ELF, this is a characteristic
 804      of the archiver and/or os and should be independently tunable */
 805   '/',
 806
 807   /* ar_max_namelen: maximum number of characters in an archive header
 808      FIXME:  this really has nothing to do with ELF, this is a characteristic
 809      of the archiver and should be independently tunable.  The System V ABI,
 810      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 811   15,
 812
 813   /* Routines to byte-swap various sized integers from the data sections */
 814   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 815     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 816     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 817
 818   /* Routines to byte-swap various sized integers from the file headers */
 819   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 820     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 821     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 822
 823   /* bfd_check_format: check the format of a file being read */
 824   { _bfd_dummy_target,          /* unknown format */
 825     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 826     bfd_elfNN_archive_p,        /* an archive */
 827     bfd_elfNN_core_file_p       /* a core file */
 828   },
 829
 830   /* bfd_set_format: set the format of a file being written */
 831   { bfd_false,
 832     bfd_elfNN_mkobject,
 833     bfd_elfNN_mkarchive,
 834     bfd_elfNN_mkcorefile
 835   },
 836
 837   /* bfd_write_contents: write cached information into a file being written */
 838   { bfd_false,
 839     bfd_elfNN_write_object_contents,
 840     bfd_elfNN_write_archive_contents,
 841     bfd_elfNN_write_corefile_contents,
 842   },
 843
 844   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 845   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 846   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 847 #ifdef bfd_elfNN_archive_functions
 848   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 849 #else
 850   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 851 #endif
 852   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 853   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 854   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 855   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 856   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 857
 858   /* Alternative endian target.  */
 859 #ifdef TARGET_BIG_SYM
 860   & TARGET_BIG_SYM,
 861 #else
 862   NULL,
 863 #endif
 864
 865   /* backend_data: */
 866   &elfNN_bed
 867 };
 868 #endif