bfd/libbfd-in.h

   1 /* libbfd.h -- Declarations used by bfd library *implementation*.
   2    (This include file is not for users of the library.)
   3
   4    Copyright (C) 1990-2018 Free Software Foundation, Inc.
   5
   6    Written by Cygnus Support.
   7
   8    This file is part of BFD, the Binary File Descriptor library.
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  23    MA 02110-1301, USA.  */
  24
  25 #ifndef _LIBBFD_H
  26 #define _LIBBFD_H 1
  27
  28 #ifndef ATTRIBUTE_HIDDEN
  29 #if HAVE_HIDDEN
  30 #define ATTRIBUTE_HIDDEN __attribute__ ((__visibility__ ("hidden")))
  31 #else
  32 #define ATTRIBUTE_HIDDEN
  33 #endif
  34 #endif
  35
  36 #include "hashtab.h"
  37
  38 #ifdef __cplusplus
  39 extern "C" {
  40 #endif
  41
  42 /* If you want to read and write large blocks, you might want to do it
  43    in quanta of this amount */
  44 #define DEFAULT_BUFFERSIZE 8192
  45
  46 /* Set a tdata field.  Can't use the other macros for this, since they
  47    do casts, and casting to the left of assignment isn't portable.  */
  48 #define set_tdata(bfd, v) ((bfd)->tdata.any = (v))
  49
  50 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
  51    to an instance of this structure.  */
  52
  53 struct bfd_in_memory
  54 {
  55   /* Size of buffer.  */
  56   bfd_size_type size;
  57   /* Buffer holding contents of BFD.  */
  58   bfd_byte *buffer;
  59 };
  60
  61 struct section_hash_entry
  62 {
  63   struct bfd_hash_entry root;
  64   asection section;
  65 };
  66
  67 /* Unique section id.  */
  68 extern unsigned int _bfd_section_id ATTRIBUTE_HIDDEN;
  69
  70 /* tdata for an archive.  For an input archive, cache
  71    needs to be free()'d.  For an output archive, symdefs do.  */
  72
  73 struct artdata
  74 {
  75   file_ptr first_file_filepos;
  76   /* Speed up searching the armap */
  77   htab_t cache;
  78   bfd *archive_head;            /* Only interesting in output routines.  */
  79   carsym *symdefs;              /* The symdef entries.  */
  80   symindex symdef_count;        /* How many there are.  */
  81   char *extended_names;         /* Clever intel extension.  */
  82   bfd_size_type extended_names_size; /* Size of extended names.  */
  83   /* When more compilers are standard C, this can be a time_t.  */
  84   long  armap_timestamp;        /* Timestamp value written into armap.
  85                                    This is used for BSD archives to check
  86                                    that the timestamp is recent enough
  87                                    for the BSD linker to not complain,
  88                                    just before we finish writing an
  89                                    archive.  */
  90   file_ptr armap_datepos;       /* Position within archive to seek to
  91                                    rewrite the date field.  */
  92   void *tdata;                  /* Backend specific information.  */
  93 };
  94
  95 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
  96
  97 /* Goes in bfd's arelt_data slot */
  98 struct areltdata
  99 {
 100   char * arch_header;           /* It's actually a string.  */
 101   bfd_size_type parsed_size;    /* Octets of filesize not including ar_hdr.  */
 102   bfd_size_type extra_size;     /* BSD4.4: extra bytes after the header.  */
 103   char *filename;               /* Null-terminated.  */
 104   file_ptr origin;              /* For element of a thin archive.  */
 105   void *parent_cache;           /* Where and how to find this member.  */
 106   file_ptr key;
 107 };
 108
 109 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
 110
 111 extern void *bfd_malloc
 112   (bfd_size_type) ATTRIBUTE_HIDDEN;
 113 extern void *bfd_realloc
 114   (void *, bfd_size_type) ATTRIBUTE_HIDDEN;
 115 extern void *bfd_realloc_or_free
 116   (void *, bfd_size_type) ATTRIBUTE_HIDDEN;
 117 extern void *bfd_zmalloc
 118   (bfd_size_type) ATTRIBUTE_HIDDEN;
 119 extern void *bfd_malloc2
 120   (bfd_size_type, bfd_size_type) ATTRIBUTE_HIDDEN;
 121 extern void *bfd_realloc2
 122   (void *, bfd_size_type, bfd_size_type) ATTRIBUTE_HIDDEN;
 123 extern void *bfd_zmalloc2
 124   (bfd_size_type, bfd_size_type) ATTRIBUTE_HIDDEN;
 125
 126 /* These routines allocate and free things on the BFD's objalloc.  */
 127
 128 extern void *bfd_alloc2
 129   (bfd *, bfd_size_type, bfd_size_type) ATTRIBUTE_HIDDEN;
 130 extern void *bfd_zalloc2
 131   (bfd *, bfd_size_type, bfd_size_type) ATTRIBUTE_HIDDEN;
 132 extern void bfd_release
 133   (bfd *, void *) ATTRIBUTE_HIDDEN;
 134
 135 extern bfd * _bfd_create_empty_archive_element_shell
 136   (bfd *) ATTRIBUTE_HIDDEN;
 137 extern bfd * _bfd_look_for_bfd_in_cache
 138   (bfd *, file_ptr) ATTRIBUTE_HIDDEN;
 139 extern bfd_boolean _bfd_add_bfd_to_archive_cache
 140   (bfd *, file_ptr, bfd *) ATTRIBUTE_HIDDEN;
 141 extern bfd_boolean _bfd_generic_mkarchive
 142   (bfd *) ATTRIBUTE_HIDDEN;
 143 extern char *_bfd_append_relative_path
 144   (bfd *, char *) ATTRIBUTE_HIDDEN;
 145 extern const bfd_target *bfd_generic_archive_p
 146   (bfd *) ATTRIBUTE_HIDDEN;
 147 extern bfd_boolean bfd_slurp_armap
 148   (bfd *) ATTRIBUTE_HIDDEN;
 149 #define bfd_slurp_bsd_armap bfd_slurp_armap
 150 #define bfd_slurp_coff_armap bfd_slurp_armap
 151 extern bfd_boolean _bfd_archive_64_bit_slurp_armap
 152   (bfd *) ATTRIBUTE_HIDDEN;
 153 extern bfd_boolean _bfd_archive_64_bit_write_armap
 154   (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN;
 155 #define _bfd_archive_64_bit_slurp_extended_name_table \
 156   _bfd_slurp_extended_name_table
 157 #define _bfd_archive_64_bit_construct_extended_name_table \
 158   _bfd_archive_coff_construct_extended_name_table
 159 #define _bfd_archive_64_bit_truncate_arname \
 160   bfd_dont_truncate_arname
 161 #define _bfd_archive_64_bit_read_ar_hdr \
 162   _bfd_generic_read_ar_hdr
 163 #define _bfd_archive_64_bit_write_ar_hdr \
 164   _bfd_generic_write_ar_hdr
 165 #define _bfd_archive_64_bit_openr_next_archived_file \
 166   bfd_generic_openr_next_archived_file
 167 #define _bfd_archive_64_bit_get_elt_at_index \
 168   _bfd_generic_get_elt_at_index
 169 #define _bfd_archive_64_bit_generic_stat_arch_elt \
 170   bfd_generic_stat_arch_elt
 171 #define _bfd_archive_64_bit_update_armap_timestamp _bfd_bool_bfd_true
 172
 173 extern bfd_boolean _bfd_slurp_extended_name_table
 174   (bfd *) ATTRIBUTE_HIDDEN;
 175 extern bfd_boolean _bfd_construct_extended_name_table
 176   (bfd *, bfd_boolean, char **, bfd_size_type *) ATTRIBUTE_HIDDEN;
 177 extern bfd_boolean _bfd_write_archive_contents
 178   (bfd *) ATTRIBUTE_HIDDEN;
 179 extern bfd_boolean _bfd_compute_and_write_armap
 180   (bfd *, unsigned int) ATTRIBUTE_HIDDEN;
 181 extern bfd *_bfd_get_elt_at_filepos
 182   (bfd *, file_ptr) ATTRIBUTE_HIDDEN;
 183 extern bfd *_bfd_generic_get_elt_at_index
 184   (bfd *, symindex) ATTRIBUTE_HIDDEN;
 185 extern bfd * _bfd_new_bfd
 186   (void) ATTRIBUTE_HIDDEN;
 187 extern bfd_boolean _bfd_free_cached_info
 188   (bfd *) ATTRIBUTE_HIDDEN;
 189
 190 extern bfd_boolean _bfd_bool_bfd_false
 191   (bfd *) ATTRIBUTE_HIDDEN;
 192 extern bfd_boolean _bfd_bool_bfd_asymbol_false
 193   (bfd *, asymbol *) ATTRIBUTE_HIDDEN;
 194 extern bfd_boolean _bfd_bool_bfd_false_error
 195   (bfd *) ATTRIBUTE_HIDDEN;
 196 extern bfd_boolean _bfd_bool_bfd_link_false_error
 197   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 198 extern bfd_boolean _bfd_bool_bfd_true
 199   (bfd *) ATTRIBUTE_HIDDEN;
 200 extern bfd_boolean _bfd_bool_bfd_link_true
 201   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 202 extern bfd_boolean _bfd_bool_bfd_bfd_true
 203   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 204 extern bfd_boolean _bfd_bool_bfd_uint_true
 205   (bfd *, unsigned int) ATTRIBUTE_HIDDEN;
 206 extern bfd_boolean _bfd_bool_bfd_asection_bfd_asection_true
 207   (bfd *, asection *, bfd *, asection *) ATTRIBUTE_HIDDEN;
 208 extern bfd_boolean _bfd_bool_bfd_asymbol_bfd_asymbol_true
 209   (bfd *, asymbol *, bfd *, asymbol *) ATTRIBUTE_HIDDEN;
 210 extern bfd_boolean _bfd_bool_bfd_ptr_true
 211   (bfd *, void *) ATTRIBUTE_HIDDEN;
 212 extern void *_bfd_ptr_bfd_null_error
 213   (bfd *) ATTRIBUTE_HIDDEN;
 214 extern int _bfd_int_bfd_0
 215   (bfd *) ATTRIBUTE_HIDDEN;
 216 extern unsigned int _bfd_uint_bfd_0
 217   (bfd *) ATTRIBUTE_HIDDEN;
 218 extern long _bfd_long_bfd_0
 219   (bfd *) ATTRIBUTE_HIDDEN;
 220 extern long _bfd_long_bfd_n1_error
 221   (bfd *) ATTRIBUTE_HIDDEN;
 222 extern void _bfd_void_bfd
 223   (bfd *) ATTRIBUTE_HIDDEN;
 224 extern void _bfd_void_bfd_link
 225   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 226 extern void _bfd_void_bfd_asection
 227   (bfd *, asection *) ATTRIBUTE_HIDDEN;
 228
 229 extern bfd *_bfd_new_bfd_contained_in
 230   (bfd *) ATTRIBUTE_HIDDEN;
 231 extern const bfd_target *_bfd_dummy_target
 232   (bfd *) ATTRIBUTE_HIDDEN;
 233
 234 extern void bfd_dont_truncate_arname
 235   (bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
 236 extern void bfd_bsd_truncate_arname
 237   (bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
 238 extern void bfd_gnu_truncate_arname
 239   (bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
 240
 241 extern bfd_boolean _bfd_bsd_write_armap
 242   (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN;
 243
 244 extern bfd_boolean _bfd_coff_write_armap
 245   (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN;
 246
 247 extern void *_bfd_generic_read_ar_hdr
 248   (bfd *) ATTRIBUTE_HIDDEN;
 249 extern void _bfd_ar_spacepad
 250   (char *, size_t, const char *, long) ATTRIBUTE_HIDDEN;
 251 extern bfd_boolean _bfd_ar_sizepad
 252   (char *, size_t, bfd_size_type) ATTRIBUTE_HIDDEN;
 253
 254 extern void *_bfd_generic_read_ar_hdr_mag
 255   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 256
 257 extern bfd_boolean _bfd_generic_write_ar_hdr
 258   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 259
 260 extern bfd_boolean _bfd_bsd44_write_ar_hdr
 261   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 262
 263 extern bfd * bfd_generic_openr_next_archived_file
 264   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 265
 266 extern int bfd_generic_stat_arch_elt
 267   (bfd *, struct stat *) ATTRIBUTE_HIDDEN;
 268
 269 #define _bfd_read_ar_hdr(abfd) \
 270         BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
 271 #define _bfd_write_ar_hdr(archive, abfd)         \
 272         BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd))
 273 \f
 274 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC.  Use
 275    BFD_JUMP_TABLE_GENERIC (_bfd_generic).  */
 276
 277 #define _bfd_generic_close_and_cleanup _bfd_archive_close_and_cleanup
 278 extern bfd_boolean _bfd_archive_close_and_cleanup
 279   (bfd *) ATTRIBUTE_HIDDEN;
 280 #define _bfd_generic_bfd_free_cached_info _bfd_bool_bfd_true
 281 extern bfd_boolean _bfd_generic_new_section_hook
 282   (bfd *, asection *) ATTRIBUTE_HIDDEN;
 283 extern bfd_boolean _bfd_generic_get_section_contents
 284   (bfd *, asection *, void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
 285 extern bfd_boolean _bfd_generic_get_section_contents_in_window
 286   (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
 287
 288 /* Generic routines to use for BFD_JUMP_TABLE_COPY.  Use
 289    BFD_JUMP_TABLE_COPY (_bfd_generic).  */
 290
 291 #define _bfd_generic_bfd_copy_private_bfd_data _bfd_bool_bfd_bfd_true
 292 #define _bfd_generic_bfd_merge_private_bfd_data \
 293   _bfd_bool_bfd_link_true
 294 #define _bfd_generic_bfd_set_private_flags _bfd_bool_bfd_uint_true
 295 #define _bfd_generic_bfd_copy_private_section_data \
 296   _bfd_bool_bfd_asection_bfd_asection_true
 297 #define _bfd_generic_bfd_copy_private_symbol_data \
 298   _bfd_bool_bfd_asymbol_bfd_asymbol_true
 299 #define _bfd_generic_bfd_copy_private_header_data _bfd_bool_bfd_bfd_true
 300 #define _bfd_generic_bfd_print_private_bfd_data _bfd_bool_bfd_ptr_true
 301
 302 extern bfd_boolean _bfd_generic_init_private_section_data
 303   (bfd *, asection *, bfd *, asection *, struct bfd_link_info *)
 304   ATTRIBUTE_HIDDEN;
 305
 306 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
 307    support.  Use BFD_JUMP_TABLE_CORE (_bfd_nocore).  */
 308
 309 extern char *_bfd_nocore_core_file_failing_command
 310   (bfd *) ATTRIBUTE_HIDDEN;
 311 extern int _bfd_nocore_core_file_failing_signal
 312   (bfd *) ATTRIBUTE_HIDDEN;
 313 extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
 314   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 315 extern int _bfd_nocore_core_file_pid
 316   (bfd *) ATTRIBUTE_HIDDEN;
 317
 318 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
 319    file support.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive).  */
 320
 321 #define _bfd_noarchive_slurp_armap _bfd_bool_bfd_false_error
 322 #define _bfd_noarchive_slurp_extended_name_table _bfd_bool_bfd_false_error
 323 extern bfd_boolean _bfd_noarchive_construct_extended_name_table
 324   (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
 325 extern void _bfd_noarchive_truncate_arname
 326   (bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
 327 extern bfd_boolean _bfd_noarchive_write_armap
 328   (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN;
 329 #define _bfd_noarchive_read_ar_hdr _bfd_ptr_bfd_null_error
 330 extern bfd_boolean _bfd_noarchive_write_ar_hdr
 331   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 332 extern bfd *
 333 _bfd_noarchive_openr_next_archived_file
 334   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 335 extern bfd * _bfd_noarchive_get_elt_at_index
 336   (bfd *, symindex) ATTRIBUTE_HIDDEN;
 337 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
 338 #define _bfd_noarchive_update_armap_timestamp _bfd_bool_bfd_false_error
 339
 340 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
 341    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd).  */
 342
 343 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
 344 #define _bfd_archive_bsd_slurp_extended_name_table \
 345   _bfd_slurp_extended_name_table
 346 extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
 347   (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
 348 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
 349 #define _bfd_archive_bsd_write_armap _bfd_bsd_write_armap
 350 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
 351 #define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr
 352 #define _bfd_archive_bsd_openr_next_archived_file \
 353   bfd_generic_openr_next_archived_file
 354 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
 355 #define _bfd_archive_bsd_generic_stat_arch_elt \
 356   bfd_generic_stat_arch_elt
 357 extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
 358   (bfd *) ATTRIBUTE_HIDDEN;
 359
 360 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
 361    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff).  */
 362
 363 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
 364 #define _bfd_archive_coff_slurp_extended_name_table \
 365   _bfd_slurp_extended_name_table
 366 extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
 367   (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
 368 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
 369 #define _bfd_archive_coff_write_armap _bfd_coff_write_armap
 370 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
 371 #define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr
 372 #define _bfd_archive_coff_openr_next_archived_file \
 373   bfd_generic_openr_next_archived_file
 374 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
 375 #define _bfd_archive_coff_generic_stat_arch_elt \
 376   bfd_generic_stat_arch_elt
 377 #define _bfd_archive_coff_update_armap_timestamp _bfd_bool_bfd_true
 378
 379 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style
 380    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44).  */
 381
 382 #define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap
 383 #define _bfd_archive_bsd44_slurp_extended_name_table \
 384   _bfd_slurp_extended_name_table
 385 extern bfd_boolean _bfd_archive_bsd44_construct_extended_name_table
 386   (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
 387 #define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname
 388 #define _bfd_archive_bsd44_write_armap _bfd_bsd_write_armap
 389 #define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr
 390 #define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr
 391 #define _bfd_archive_bsd44_openr_next_archived_file \
 392   bfd_generic_openr_next_archived_file
 393 #define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index
 394 #define _bfd_archive_bsd44_generic_stat_arch_elt \
 395   bfd_generic_stat_arch_elt
 396 #define _bfd_archive_bsd44_update_armap_timestamp \
 397   _bfd_archive_bsd_update_armap_timestamp
 398
 399 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style
 400    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib).  Some of them
 401    are irrelevant.  */
 402
 403 extern bfd_boolean _bfd_vms_lib_write_archive_contents
 404   (bfd *) ATTRIBUTE_HIDDEN;
 405 #define _bfd_vms_lib_slurp_armap _bfd_noarchive_slurp_armap
 406 #define _bfd_vms_lib_slurp_extended_name_table \
 407   _bfd_noarchive_slurp_extended_name_table
 408 #define _bfd_vms_lib_construct_extended_name_table \
 409   _bfd_noarchive_construct_extended_name_table
 410 #define _bfd_vms_lib_truncate_arname _bfd_noarchive_truncate_arname
 411 #define _bfd_vms_lib_write_armap _bfd_noarchive_write_armap
 412 #define _bfd_vms_lib_read_ar_hdr _bfd_noarchive_read_ar_hdr
 413 #define _bfd_vms_lib_write_ar_hdr _bfd_noarchive_write_ar_hdr
 414 extern bfd *_bfd_vms_lib_openr_next_archived_file
 415   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 416 extern bfd *_bfd_vms_lib_get_elt_at_index
 417   (bfd *, symindex) ATTRIBUTE_HIDDEN;
 418 extern int _bfd_vms_lib_generic_stat_arch_elt
 419   (bfd *, struct stat *) ATTRIBUTE_HIDDEN;
 420 #define _bfd_vms_lib_update_armap_timestamp _bfd_bool_bfd_true
 421
 422 /* Extra routines for VMS style archives.  */
 423
 424 extern symindex _bfd_vms_lib_find_symbol
 425   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 426 extern bfd *_bfd_vms_lib_get_imagelib_file
 427   (bfd *) ATTRIBUTE_HIDDEN;
 428 extern const bfd_target *_bfd_vms_lib_alpha_archive_p
 429   (bfd *) ATTRIBUTE_HIDDEN;
 430 extern const bfd_target *_bfd_vms_lib_ia64_archive_p
 431   (bfd *) ATTRIBUTE_HIDDEN;
 432 extern bfd_boolean _bfd_vms_lib_alpha_mkarchive
 433   (bfd *) ATTRIBUTE_HIDDEN;
 434 extern bfd_boolean _bfd_vms_lib_ia64_mkarchive
 435   (bfd *) ATTRIBUTE_HIDDEN;
 436
 437 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
 438    support.  Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols).  */
 439
 440 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_long_bfd_n1_error
 441 extern long _bfd_nosymbols_canonicalize_symtab
 442   (bfd *, asymbol **) ATTRIBUTE_HIDDEN;
 443 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
 444 extern void _bfd_nosymbols_print_symbol
 445   (bfd *, void *, asymbol *, bfd_print_symbol_type) ATTRIBUTE_HIDDEN;
 446 extern void _bfd_nosymbols_get_symbol_info
 447   (bfd *, asymbol *, symbol_info *) ATTRIBUTE_HIDDEN;
 448 extern const char * _bfd_nosymbols_get_symbol_version_string
 449   (bfd *, asymbol *, bfd_boolean *) ATTRIBUTE_HIDDEN;
 450 extern bfd_boolean _bfd_nosymbols_bfd_is_local_label_name
 451   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 452 #define _bfd_nosymbols_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false
 453 extern alent *_bfd_nosymbols_get_lineno
 454   (bfd *, asymbol *) ATTRIBUTE_HIDDEN;
 455 extern bfd_boolean _bfd_nosymbols_find_nearest_line
 456   (bfd *, asymbol **, asection *, bfd_vma,
 457    const char **, const char **, unsigned int *, unsigned int *)
 458   ATTRIBUTE_HIDDEN;
 459 extern bfd_boolean _bfd_nosymbols_find_line
 460   (bfd *, asymbol **, asymbol *, const char **, unsigned int *)
 461   ATTRIBUTE_HIDDEN;
 462 extern bfd_boolean _bfd_nosymbols_find_inliner_info
 463   (bfd *, const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN;
 464 extern asymbol *_bfd_nosymbols_bfd_make_debug_symbol
 465   (bfd *, void *, unsigned long) ATTRIBUTE_HIDDEN;
 466 extern long _bfd_nosymbols_read_minisymbols
 467   (bfd *, bfd_boolean, void **, unsigned int *) ATTRIBUTE_HIDDEN;
 468 extern asymbol *_bfd_nosymbols_minisymbol_to_symbol
 469   (bfd *, bfd_boolean, const void *, asymbol *) ATTRIBUTE_HIDDEN;
 470
 471 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
 472    support.  Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs).  */
 473
 474 extern long _bfd_norelocs_get_reloc_upper_bound
 475   (bfd *, asection *) ATTRIBUTE_HIDDEN;
 476 extern long _bfd_norelocs_canonicalize_reloc
 477   (bfd *, asection *, arelent **, asymbol **) ATTRIBUTE_HIDDEN;
 478 extern void _bfd_norelocs_set_reloc
 479   (bfd *, asection *, arelent **, unsigned int) ATTRIBUTE_HIDDEN;
 480 extern reloc_howto_type *_bfd_norelocs_bfd_reloc_type_lookup
 481   (bfd *, bfd_reloc_code_real_type) ATTRIBUTE_HIDDEN;
 482 extern reloc_howto_type *_bfd_norelocs_bfd_reloc_name_lookup
 483   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 484
 485 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
 486    be written.  Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite).  */
 487
 488 extern bfd_boolean _bfd_nowrite_set_arch_mach
 489   (bfd *, enum bfd_architecture, unsigned long) ATTRIBUTE_HIDDEN;
 490 extern bfd_boolean _bfd_nowrite_set_section_contents
 491   (bfd *, asection *, const void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
 492
 493 /* Generic routines to use for BFD_JUMP_TABLE_WRITE.  Use
 494    BFD_JUMP_TABLE_WRITE (_bfd_generic).  */
 495
 496 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
 497 extern bfd_boolean _bfd_generic_set_section_contents
 498   (bfd *, asection *, const void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
 499
 500 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
 501    support linking.  Use BFD_JUMP_TABLE_LINK (_bfd_nolink).  */
 502
 503 extern int _bfd_nolink_sizeof_headers
 504   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 505 extern bfd_byte *_bfd_nolink_bfd_get_relocated_section_contents
 506   (bfd *, struct bfd_link_info *, struct bfd_link_order *,
 507    bfd_byte *, bfd_boolean, asymbol **) ATTRIBUTE_HIDDEN;
 508 extern bfd_boolean _bfd_nolink_bfd_relax_section
 509   (bfd *, asection *, struct bfd_link_info *, bfd_boolean *) ATTRIBUTE_HIDDEN;
 510 #define _bfd_nolink_bfd_gc_sections _bfd_bool_bfd_link_false_error
 511 extern bfd_boolean _bfd_nolink_bfd_lookup_section_flags
 512   (struct bfd_link_info *, struct flag_info *, asection *) ATTRIBUTE_HIDDEN;
 513 #define _bfd_nolink_bfd_merge_sections _bfd_bool_bfd_link_false_error
 514 extern bfd_boolean _bfd_nolink_bfd_is_group_section
 515   (bfd *, const asection *) ATTRIBUTE_HIDDEN;
 516 extern bfd_boolean _bfd_nolink_bfd_discard_group
 517   (bfd *, asection *) ATTRIBUTE_HIDDEN;
 518 extern struct bfd_link_hash_table *_bfd_nolink_bfd_link_hash_table_create
 519   (bfd *) ATTRIBUTE_HIDDEN;
 520 #define _bfd_nolink_bfd_link_add_symbols _bfd_bool_bfd_link_false_error
 521 extern void _bfd_nolink_bfd_link_just_syms
 522   (asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 523 extern void _bfd_nolink_bfd_copy_link_hash_symbol_type
 524   (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *)
 525   ATTRIBUTE_HIDDEN;
 526 #define _bfd_nolink_bfd_final_link _bfd_bool_bfd_link_false_error
 527 extern bfd_boolean _bfd_nolink_bfd_link_split_section
 528   (bfd *, struct bfd_section *) ATTRIBUTE_HIDDEN;
 529 extern bfd_boolean _bfd_nolink_section_already_linked
 530   (bfd *, asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 531 extern bfd_boolean _bfd_nolink_bfd_define_common_symbol
 532   (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *)
 533   ATTRIBUTE_HIDDEN;
 534 #define _bfd_nolink_bfd_link_hide_symbol \
 535   _bfd_generic_link_hide_symbol
 536 extern struct bfd_link_hash_entry *_bfd_nolink_bfd_define_start_stop
 537   (struct bfd_link_info *, const char *, asection *) ATTRIBUTE_HIDDEN;
 538 #define _bfd_nolink_bfd_link_check_relocs \
 539   _bfd_generic_link_check_relocs
 540
 541 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
 542    have dynamic symbols or relocs.  Use BFD_JUMP_TABLE_DYNAMIC
 543    (_bfd_nodynamic).  */
 544
 545 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_long_bfd_n1_error
 546 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
 547   _bfd_nosymbols_canonicalize_symtab
 548 extern long _bfd_nodynamic_get_synthetic_symtab
 549   (bfd *, long, asymbol **, long, asymbol **, asymbol **) ATTRIBUTE_HIDDEN;
 550 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_long_bfd_n1_error
 551 extern long _bfd_nodynamic_canonicalize_dynamic_reloc
 552   (bfd *, arelent **, asymbol **) ATTRIBUTE_HIDDEN;
 553 \f
 554 /* Generic routine to determine of the given symbol is a local
 555    label.  */
 556 extern bfd_boolean bfd_generic_is_local_label_name
 557   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 558
 559 /* Generic minisymbol routines.  */
 560 extern long _bfd_generic_read_minisymbols
 561   (bfd *, bfd_boolean, void **, unsigned int *) ATTRIBUTE_HIDDEN;
 562 extern asymbol *_bfd_generic_minisymbol_to_symbol
 563   (bfd *, bfd_boolean, const void *, asymbol *) ATTRIBUTE_HIDDEN;
 564
 565 /* Find the nearest line using .stab/.stabstr sections.  */
 566 extern bfd_boolean _bfd_stab_section_find_nearest_line
 567   (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *,
 568    const char **, const char **, unsigned int *, void **) ATTRIBUTE_HIDDEN;
 569
 570 /* Find the nearest line using DWARF 1 debugging information.  */
 571 extern bfd_boolean _bfd_dwarf1_find_nearest_line
 572   (bfd *, asymbol **, asection *, bfd_vma,
 573    const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN;
 574
 575 struct dwarf_debug_section
 576 {
 577   const char * uncompressed_name;
 578   const char * compressed_name;
 579 };
 580
 581 /* Map of uncompressed DWARF debug section name to compressed one.  It
 582    is terminated by NULL uncompressed_name.  */
 583
 584 extern const struct dwarf_debug_section dwarf_debug_sections[] ATTRIBUTE_HIDDEN;
 585
 586 /* Find the nearest line using DWARF 2 debugging information.  */
 587 extern bfd_boolean _bfd_dwarf2_find_nearest_line
 588   (bfd *, asymbol **, asymbol *, asection *, bfd_vma,
 589    const char **, const char **, unsigned int *, unsigned int *,
 590    const struct dwarf_debug_section *, unsigned int, void **) ATTRIBUTE_HIDDEN;
 591
 592 /* Find the bias between DWARF addresses and real addresses.  */
 593 extern bfd_signed_vma _bfd_dwarf2_find_symbol_bias
 594   (asymbol **, void **) ATTRIBUTE_HIDDEN;
 595
 596 /* Find inliner info after calling bfd_find_nearest_line. */
 597 extern bfd_boolean _bfd_dwarf2_find_inliner_info
 598   (bfd *, const char **, const char **, unsigned int *, void **)
 599   ATTRIBUTE_HIDDEN;
 600
 601 /* Read DWARF 2 debugging information. */
 602 extern bfd_boolean _bfd_dwarf2_slurp_debug_info
 603   (bfd *, bfd *, const struct dwarf_debug_section *, asymbol **, void **,
 604    bfd_boolean) ATTRIBUTE_HIDDEN;
 605
 606 /* Clean up the data used to handle DWARF 2 debugging information. */
 607 extern void _bfd_dwarf2_cleanup_debug_info
 608   (bfd *, void **) ATTRIBUTE_HIDDEN;
 609
 610 /* Create a new section entry.  */
 611 extern struct bfd_hash_entry *bfd_section_hash_newfunc
 612   (struct bfd_hash_entry *, struct bfd_hash_table *, const char *)
 613   ATTRIBUTE_HIDDEN;
 614
 615 /* A routine to create entries for a bfd_link_hash_table.  */
 616 extern struct bfd_hash_entry *_bfd_link_hash_newfunc
 617   (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
 618    const char *string) ATTRIBUTE_HIDDEN;
 619
 620 /* Initialize a bfd_link_hash_table.  */
 621 extern bfd_boolean _bfd_link_hash_table_init
 622   (struct bfd_link_hash_table *, bfd *,
 623    struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 624                                struct bfd_hash_table *,
 625                                const char *),
 626    unsigned int) ATTRIBUTE_HIDDEN;
 627
 628 /* Generic link hash table creation routine.  */
 629 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
 630   (bfd *) ATTRIBUTE_HIDDEN;
 631
 632 /* Generic link hash table destruction routine.  */
 633 extern void _bfd_generic_link_hash_table_free
 634   (bfd *) ATTRIBUTE_HIDDEN;
 635
 636 /* Generic add symbol routine.  */
 637 extern bfd_boolean _bfd_generic_link_add_symbols
 638   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 639
 640 /* Generic archive add symbol routine.  */
 641 extern bfd_boolean _bfd_generic_link_add_archive_symbols
 642   (bfd *, struct bfd_link_info *,
 643    bfd_boolean (*) (bfd *, struct bfd_link_info *,
 644                     struct bfd_link_hash_entry *, const char *,
 645                     bfd_boolean *)) ATTRIBUTE_HIDDEN;
 646
 647 /* Forward declaration to avoid prototype errors.  */
 648 typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
 649
 650 /* Generic routine to add a single symbol.  */
 651 extern bfd_boolean _bfd_generic_link_add_one_symbol
 652   (struct bfd_link_info *, bfd *, const char *name, flagword,
 653    asection *, bfd_vma, const char *, bfd_boolean copy,
 654    bfd_boolean constructor, struct bfd_link_hash_entry **) ATTRIBUTE_HIDDEN;
 655
 656 /* Generic routine to mark section as supplying symbols only.  */
 657 extern void _bfd_generic_link_just_syms
 658   (asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 659
 660 /* Generic routine that does nothing.  */
 661 extern void _bfd_generic_copy_link_hash_symbol_type
 662   (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *)
 663   ATTRIBUTE_HIDDEN;
 664
 665 /* Generic link routine.  */
 666 extern bfd_boolean _bfd_generic_final_link
 667   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 668
 669 extern bfd_boolean _bfd_generic_link_split_section
 670   (bfd *, struct bfd_section *) ATTRIBUTE_HIDDEN;
 671
 672 extern bfd_boolean _bfd_generic_section_already_linked
 673   (bfd *, asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 674
 675 /* Generic reloc_link_order processing routine.  */
 676 extern bfd_boolean _bfd_generic_reloc_link_order
 677   (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *)
 678   ATTRIBUTE_HIDDEN;
 679
 680 /* Default link order processing routine.  */
 681 extern bfd_boolean _bfd_default_link_order
 682   (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *)
 683   ATTRIBUTE_HIDDEN;
 684
 685 /* Count the number of reloc entries in a link order list.  */
 686 extern unsigned int _bfd_count_link_order_relocs
 687   (struct bfd_link_order *) ATTRIBUTE_HIDDEN;
 688
 689 /* Final link relocation routine.  */
 690 extern bfd_reloc_status_type _bfd_final_link_relocate
 691   (reloc_howto_type *, bfd *, asection *, bfd_byte *,
 692    bfd_vma, bfd_vma, bfd_vma) ATTRIBUTE_HIDDEN;
 693
 694 /* Relocate a particular location by a howto and a value.  */
 695 extern bfd_reloc_status_type _bfd_relocate_contents
 696   (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *) ATTRIBUTE_HIDDEN;
 697
 698 /* Clear a given location using a given howto.  */
 699 extern void _bfd_clear_contents
 700   (reloc_howto_type *, bfd *, asection *, bfd_byte *) ATTRIBUTE_HIDDEN;
 701
 702 /* Link stabs in sections in the first pass.  */
 703
 704 extern bfd_boolean _bfd_link_section_stabs
 705   (bfd *, struct stab_info *, asection *, asection *, void **,
 706    bfd_size_type *) ATTRIBUTE_HIDDEN;
 707
 708 /* Eliminate stabs for discarded functions and symbols.  */
 709 extern bfd_boolean _bfd_discard_section_stabs
 710   (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *)
 711   ATTRIBUTE_HIDDEN;
 712
 713 /* Write out the .stab section when linking stabs in sections.  */
 714
 715 extern bfd_boolean _bfd_write_section_stabs
 716   (bfd *, struct stab_info *, asection *, void **, bfd_byte *)
 717   ATTRIBUTE_HIDDEN;
 718
 719 /* Write out the .stabstr string table when linking stabs in sections.  */
 720
 721 extern bfd_boolean _bfd_write_stab_strings
 722   (bfd *, struct stab_info *) ATTRIBUTE_HIDDEN;
 723
 724 /* Find an offset within a .stab section when linking stabs in
 725    sections.  */
 726
 727 extern bfd_vma _bfd_stab_section_offset
 728   (asection *, void *, bfd_vma) ATTRIBUTE_HIDDEN;
 729
 730 /* Register a SEC_MERGE section as a candidate for merging.  */
 731
 732 extern bfd_boolean _bfd_add_merge_section
 733   (bfd *, void **, asection *, void **) ATTRIBUTE_HIDDEN;
 734
 735 /* Attempt to merge SEC_MERGE sections.  */
 736
 737 extern bfd_boolean _bfd_merge_sections
 738   (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *))
 739   ATTRIBUTE_HIDDEN;
 740
 741 /* Write out a merged section.  */
 742
 743 extern bfd_boolean _bfd_write_merged_section
 744   (bfd *, asection *, void *) ATTRIBUTE_HIDDEN;
 745
 746 /* Find an offset within a modified SEC_MERGE section.  */
 747
 748 extern bfd_vma _bfd_merged_section_offset
 749   (bfd *, asection **, void *, bfd_vma) ATTRIBUTE_HIDDEN;
 750
 751 /* Tidy up when done.  */
 752
 753 extern void _bfd_merge_sections_free (void *) ATTRIBUTE_HIDDEN;
 754
 755 /* Create a string table.  */
 756 extern struct bfd_strtab_hash *_bfd_stringtab_init
 757   (void) ATTRIBUTE_HIDDEN;
 758
 759 /* Create an XCOFF .debug section style string table.  */
 760 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init
 761   (void) ATTRIBUTE_HIDDEN;
 762
 763 /* Free a string table.  */
 764 extern void _bfd_stringtab_free
 765   (struct bfd_strtab_hash *) ATTRIBUTE_HIDDEN;
 766
 767 /* Get the size of a string table.  */
 768 extern bfd_size_type _bfd_stringtab_size
 769   (struct bfd_strtab_hash *) ATTRIBUTE_HIDDEN;
 770
 771 /* Add a string to a string table.  */
 772 extern bfd_size_type _bfd_stringtab_add
 773   (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy)
 774   ATTRIBUTE_HIDDEN;
 775
 776 /* Write out a string table.  */
 777 extern bfd_boolean _bfd_stringtab_emit
 778   (bfd *, struct bfd_strtab_hash *) ATTRIBUTE_HIDDEN;
 779 \f
 780 /* Macros to tell if bfds are read or write enabled.
 781
 782    Note that bfds open for read may be scribbled into if the fd passed
 783    to bfd_fdopenr is actually open both for read and write
 784    simultaneously.  However an output bfd will never be open for
 785    read.  Therefore sometimes you want to check bfd_read_p or
 786    !bfd_read_p, and only sometimes bfd_write_p.
 787 */
 788
 789 #define bfd_read_p(abfd) \
 790   ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
 791 #define bfd_write_p(abfd) \
 792   ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
 793
 794 extern void bfd_assert
 795   (const char*,int) ATTRIBUTE_HIDDEN;
 796
 797 #define BFD_ASSERT(x) \
 798   do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
 799
 800 #define BFD_FAIL() \
 801   do { bfd_assert(__FILE__,__LINE__); } while (0)
 802
 803 extern void _bfd_abort
 804   (const char *, int, const char *) ATTRIBUTE_NORETURN ATTRIBUTE_HIDDEN;
 805
 806 /* if gcc >= 2.6, we can give a function name, too */
 807 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
 808 #define __PRETTY_FUNCTION__  ((char *) NULL)
 809 #endif
 810
 811 #undef abort
 812 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
 813
 814 /* Manipulate a system FILE but using BFD's "file_ptr", rather than
 815    the system "off_t" or "off64_t", as the offset.  */
 816 extern file_ptr _bfd_real_ftell
 817   (FILE *) ATTRIBUTE_HIDDEN;
 818 extern int _bfd_real_fseek
 819   (FILE *, file_ptr, int) ATTRIBUTE_HIDDEN;
 820 extern FILE *_bfd_real_fopen
 821   (const char *, const char *) ATTRIBUTE_HIDDEN;
 822
 823 /* List of supported target vectors, and the default vector (if
 824    bfd_default_vector[0] is NULL, there is no default).  */
 825 extern const bfd_target * const *bfd_target_vector ATTRIBUTE_HIDDEN;
 826 extern const bfd_target *bfd_default_vector[] ATTRIBUTE_HIDDEN;
 827
 828 /* List of associated target vectors.  */
 829 extern const bfd_target * const *bfd_associated_vector ATTRIBUTE_HIDDEN;
 830
 831 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
 832    other common header files.  */
 833
 834 #if defined(__STDC__) || defined(ALMOST_STDC)
 835 struct ecoff_find_line;
 836 #endif
 837
 838 extern bfd_boolean _bfd_ecoff_locate_line
 839   (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
 840    const struct ecoff_debug_swap * const, struct ecoff_find_line *,
 841    const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN;
 842 extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
 843   (void *, bfd_byte *) ATTRIBUTE_HIDDEN;
 844 extern bfd_boolean _bfd_ecoff_get_accumulated_sym
 845   (void *, bfd_byte *) ATTRIBUTE_HIDDEN;
 846 extern bfd_boolean _bfd_ecoff_get_accumulated_ss
 847   (void *, bfd_byte *) ATTRIBUTE_HIDDEN;
 848
 849 extern bfd_vma _bfd_get_gp_value
 850   (bfd *) ATTRIBUTE_HIDDEN;
 851 extern void _bfd_set_gp_value
 852   (bfd *, bfd_vma) ATTRIBUTE_HIDDEN;
 853
 854 /* Function shared by the COFF and ELF SH backends, which have no
 855    other common header files.  */
 856
 857 #ifndef _bfd_sh_align_load_span
 858 extern bfd_boolean _bfd_sh_align_load_span
 859   (bfd *, asection *, bfd_byte *,
 860    bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
 861    void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *) ATTRIBUTE_HIDDEN;
 862 #endif
 863
 864 /* This is the shape of the elements inside the already_linked hash
 865    table. It maps a name onto a list of already_linked elements with
 866    the same name.  */
 867
 868 struct bfd_section_already_linked_hash_entry
 869 {
 870   struct bfd_hash_entry root;
 871   struct bfd_section_already_linked *entry;
 872 };
 873
 874 struct bfd_section_already_linked
 875 {
 876   struct bfd_section_already_linked *next;
 877   asection *sec;
 878 };
 879
 880 extern struct bfd_section_already_linked_hash_entry *
 881   bfd_section_already_linked_table_lookup (const char *) ATTRIBUTE_HIDDEN;
 882 extern bfd_boolean bfd_section_already_linked_table_insert
 883   (struct bfd_section_already_linked_hash_entry *, asection *)
 884   ATTRIBUTE_HIDDEN;
 885 extern void bfd_section_already_linked_table_traverse
 886   (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *,
 887                     void *), void *) ATTRIBUTE_HIDDEN;
 888
 889 extern bfd_vma _bfd_read_unsigned_leb128
 890   (bfd *, bfd_byte *, unsigned int *) ATTRIBUTE_HIDDEN;
 891 extern bfd_signed_vma _bfd_read_signed_leb128
 892   (bfd *, bfd_byte *, unsigned int *) ATTRIBUTE_HIDDEN;
 893 extern bfd_vma _bfd_safe_read_leb128
 894   (bfd *, bfd_byte *, unsigned int *, bfd_boolean, const bfd_byte * const)
 895   ATTRIBUTE_HIDDEN;