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 extern void _bfd_unlink_from_archive_parent (bfd *) ATTRIBUTE_HIDDEN;
 281 #define _bfd_generic_bfd_free_cached_info _bfd_bool_bfd_true
 282 extern bfd_boolean _bfd_generic_new_section_hook
 283   (bfd *, asection *) ATTRIBUTE_HIDDEN;
 284 extern bfd_boolean _bfd_generic_get_section_contents
 285   (bfd *, asection *, void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
 286 extern bfd_boolean _bfd_generic_get_section_contents_in_window
 287   (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
 288
 289 /* Generic routines to use for BFD_JUMP_TABLE_COPY.  Use
 290    BFD_JUMP_TABLE_COPY (_bfd_generic).  */
 291
 292 #define _bfd_generic_bfd_copy_private_bfd_data _bfd_bool_bfd_bfd_true
 293 #define _bfd_generic_bfd_merge_private_bfd_data \
 294   _bfd_bool_bfd_link_true
 295 #define _bfd_generic_bfd_set_private_flags _bfd_bool_bfd_uint_true
 296 #define _bfd_generic_bfd_copy_private_section_data \
 297   _bfd_bool_bfd_asection_bfd_asection_true
 298 #define _bfd_generic_bfd_copy_private_symbol_data \
 299   _bfd_bool_bfd_asymbol_bfd_asymbol_true
 300 #define _bfd_generic_bfd_copy_private_header_data _bfd_bool_bfd_bfd_true
 301 #define _bfd_generic_bfd_print_private_bfd_data _bfd_bool_bfd_ptr_true
 302
 303 extern bfd_boolean _bfd_generic_init_private_section_data
 304   (bfd *, asection *, bfd *, asection *, struct bfd_link_info *)
 305   ATTRIBUTE_HIDDEN;
 306
 307 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
 308    support.  Use BFD_JUMP_TABLE_CORE (_bfd_nocore).  */
 309
 310 extern char *_bfd_nocore_core_file_failing_command
 311   (bfd *) ATTRIBUTE_HIDDEN;
 312 extern int _bfd_nocore_core_file_failing_signal
 313   (bfd *) ATTRIBUTE_HIDDEN;
 314 extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
 315   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 316 extern int _bfd_nocore_core_file_pid
 317   (bfd *) ATTRIBUTE_HIDDEN;
 318
 319 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
 320    file support.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive).  */
 321
 322 #define _bfd_noarchive_slurp_armap _bfd_bool_bfd_false_error
 323 #define _bfd_noarchive_slurp_extended_name_table _bfd_bool_bfd_false_error
 324 extern bfd_boolean _bfd_noarchive_construct_extended_name_table
 325   (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
 326 extern void _bfd_noarchive_truncate_arname
 327   (bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
 328 extern bfd_boolean _bfd_noarchive_write_armap
 329   (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN;
 330 #define _bfd_noarchive_read_ar_hdr _bfd_ptr_bfd_null_error
 331 extern bfd_boolean _bfd_noarchive_write_ar_hdr
 332   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 333 extern bfd *
 334 _bfd_noarchive_openr_next_archived_file
 335   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 336 extern bfd * _bfd_noarchive_get_elt_at_index
 337   (bfd *, symindex) ATTRIBUTE_HIDDEN;
 338 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
 339 #define _bfd_noarchive_update_armap_timestamp _bfd_bool_bfd_false_error
 340
 341 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
 342    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd).  */
 343
 344 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
 345 #define _bfd_archive_bsd_slurp_extended_name_table \
 346   _bfd_slurp_extended_name_table
 347 extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
 348   (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
 349 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
 350 #define _bfd_archive_bsd_write_armap _bfd_bsd_write_armap
 351 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
 352 #define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr
 353 #define _bfd_archive_bsd_openr_next_archived_file \
 354   bfd_generic_openr_next_archived_file
 355 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
 356 #define _bfd_archive_bsd_generic_stat_arch_elt \
 357   bfd_generic_stat_arch_elt
 358 extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
 359   (bfd *) ATTRIBUTE_HIDDEN;
 360
 361 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
 362    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff).  */
 363
 364 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
 365 #define _bfd_archive_coff_slurp_extended_name_table \
 366   _bfd_slurp_extended_name_table
 367 extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
 368   (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
 369 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
 370 #define _bfd_archive_coff_write_armap _bfd_coff_write_armap
 371 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
 372 #define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr
 373 #define _bfd_archive_coff_openr_next_archived_file \
 374   bfd_generic_openr_next_archived_file
 375 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
 376 #define _bfd_archive_coff_generic_stat_arch_elt \
 377   bfd_generic_stat_arch_elt
 378 #define _bfd_archive_coff_update_armap_timestamp _bfd_bool_bfd_true
 379
 380 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style
 381    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44).  */
 382
 383 #define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap
 384 #define _bfd_archive_bsd44_slurp_extended_name_table \
 385   _bfd_slurp_extended_name_table
 386 extern bfd_boolean _bfd_archive_bsd44_construct_extended_name_table
 387   (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
 388 #define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname
 389 #define _bfd_archive_bsd44_write_armap _bfd_bsd_write_armap
 390 #define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr
 391 #define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr
 392 #define _bfd_archive_bsd44_openr_next_archived_file \
 393   bfd_generic_openr_next_archived_file
 394 #define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index
 395 #define _bfd_archive_bsd44_generic_stat_arch_elt \
 396   bfd_generic_stat_arch_elt
 397 #define _bfd_archive_bsd44_update_armap_timestamp \
 398   _bfd_archive_bsd_update_armap_timestamp
 399
 400 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style
 401    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib).  Some of them
 402    are irrelevant.  */
 403
 404 extern bfd_boolean _bfd_vms_lib_write_archive_contents
 405   (bfd *) ATTRIBUTE_HIDDEN;
 406 #define _bfd_vms_lib_slurp_armap _bfd_noarchive_slurp_armap
 407 #define _bfd_vms_lib_slurp_extended_name_table \
 408   _bfd_noarchive_slurp_extended_name_table
 409 #define _bfd_vms_lib_construct_extended_name_table \
 410   _bfd_noarchive_construct_extended_name_table
 411 #define _bfd_vms_lib_truncate_arname _bfd_noarchive_truncate_arname
 412 #define _bfd_vms_lib_write_armap _bfd_noarchive_write_armap
 413 #define _bfd_vms_lib_read_ar_hdr _bfd_noarchive_read_ar_hdr
 414 #define _bfd_vms_lib_write_ar_hdr _bfd_noarchive_write_ar_hdr
 415 extern bfd *_bfd_vms_lib_openr_next_archived_file
 416   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 417 extern bfd *_bfd_vms_lib_get_elt_at_index
 418   (bfd *, symindex) ATTRIBUTE_HIDDEN;
 419 extern int _bfd_vms_lib_generic_stat_arch_elt
 420   (bfd *, struct stat *) ATTRIBUTE_HIDDEN;
 421 #define _bfd_vms_lib_update_armap_timestamp _bfd_bool_bfd_true
 422
 423 /* Extra routines for VMS style archives.  */
 424
 425 extern symindex _bfd_vms_lib_find_symbol
 426   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 427 extern bfd *_bfd_vms_lib_get_imagelib_file
 428   (bfd *) ATTRIBUTE_HIDDEN;
 429 extern const bfd_target *_bfd_vms_lib_alpha_archive_p
 430   (bfd *) ATTRIBUTE_HIDDEN;
 431 extern const bfd_target *_bfd_vms_lib_ia64_archive_p
 432   (bfd *) ATTRIBUTE_HIDDEN;
 433 extern bfd_boolean _bfd_vms_lib_alpha_mkarchive
 434   (bfd *) ATTRIBUTE_HIDDEN;
 435 extern bfd_boolean _bfd_vms_lib_ia64_mkarchive
 436   (bfd *) ATTRIBUTE_HIDDEN;
 437
 438 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
 439    support.  Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols).  */
 440
 441 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_long_bfd_n1_error
 442 extern long _bfd_nosymbols_canonicalize_symtab
 443   (bfd *, asymbol **) ATTRIBUTE_HIDDEN;
 444 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
 445 extern void _bfd_nosymbols_print_symbol
 446   (bfd *, void *, asymbol *, bfd_print_symbol_type) ATTRIBUTE_HIDDEN;
 447 extern void _bfd_nosymbols_get_symbol_info
 448   (bfd *, asymbol *, symbol_info *) ATTRIBUTE_HIDDEN;
 449 extern const char * _bfd_nosymbols_get_symbol_version_string
 450   (bfd *, asymbol *, bfd_boolean *) ATTRIBUTE_HIDDEN;
 451 extern bfd_boolean _bfd_nosymbols_bfd_is_local_label_name
 452   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 453 #define _bfd_nosymbols_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false
 454 extern alent *_bfd_nosymbols_get_lineno
 455   (bfd *, asymbol *) ATTRIBUTE_HIDDEN;
 456 extern bfd_boolean _bfd_nosymbols_find_nearest_line
 457   (bfd *, asymbol **, asection *, bfd_vma,
 458    const char **, const char **, unsigned int *, unsigned int *)
 459   ATTRIBUTE_HIDDEN;
 460 extern bfd_boolean _bfd_nosymbols_find_line
 461   (bfd *, asymbol **, asymbol *, const char **, unsigned int *)
 462   ATTRIBUTE_HIDDEN;
 463 extern bfd_boolean _bfd_nosymbols_find_inliner_info
 464   (bfd *, const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN;
 465 extern asymbol *_bfd_nosymbols_bfd_make_debug_symbol
 466   (bfd *, void *, unsigned long) ATTRIBUTE_HIDDEN;
 467 extern long _bfd_nosymbols_read_minisymbols
 468   (bfd *, bfd_boolean, void **, unsigned int *) ATTRIBUTE_HIDDEN;
 469 extern asymbol *_bfd_nosymbols_minisymbol_to_symbol
 470   (bfd *, bfd_boolean, const void *, asymbol *) ATTRIBUTE_HIDDEN;
 471
 472 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
 473    support.  Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs).  */
 474
 475 extern long _bfd_norelocs_get_reloc_upper_bound
 476   (bfd *, asection *) ATTRIBUTE_HIDDEN;
 477 extern long _bfd_norelocs_canonicalize_reloc
 478   (bfd *, asection *, arelent **, asymbol **) ATTRIBUTE_HIDDEN;
 479 extern void _bfd_norelocs_set_reloc
 480   (bfd *, asection *, arelent **, unsigned int) ATTRIBUTE_HIDDEN;
 481 extern reloc_howto_type *_bfd_norelocs_bfd_reloc_type_lookup
 482   (bfd *, bfd_reloc_code_real_type) ATTRIBUTE_HIDDEN;
 483 extern reloc_howto_type *_bfd_norelocs_bfd_reloc_name_lookup
 484   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 485
 486 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
 487    be written.  Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite).  */
 488
 489 extern bfd_boolean _bfd_nowrite_set_arch_mach
 490   (bfd *, enum bfd_architecture, unsigned long) ATTRIBUTE_HIDDEN;
 491 extern bfd_boolean _bfd_nowrite_set_section_contents
 492   (bfd *, asection *, const void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
 493
 494 /* Generic routines to use for BFD_JUMP_TABLE_WRITE.  Use
 495    BFD_JUMP_TABLE_WRITE (_bfd_generic).  */
 496
 497 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
 498 extern bfd_boolean _bfd_generic_set_section_contents
 499   (bfd *, asection *, const void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
 500
 501 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
 502    support linking.  Use BFD_JUMP_TABLE_LINK (_bfd_nolink).  */
 503
 504 extern int _bfd_nolink_sizeof_headers
 505   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 506 extern bfd_byte *_bfd_nolink_bfd_get_relocated_section_contents
 507   (bfd *, struct bfd_link_info *, struct bfd_link_order *,
 508    bfd_byte *, bfd_boolean, asymbol **) ATTRIBUTE_HIDDEN;
 509 extern bfd_boolean _bfd_nolink_bfd_relax_section
 510   (bfd *, asection *, struct bfd_link_info *, bfd_boolean *) ATTRIBUTE_HIDDEN;
 511 #define _bfd_nolink_bfd_gc_sections _bfd_bool_bfd_link_false_error
 512 extern bfd_boolean _bfd_nolink_bfd_lookup_section_flags
 513   (struct bfd_link_info *, struct flag_info *, asection *) ATTRIBUTE_HIDDEN;
 514 #define _bfd_nolink_bfd_merge_sections _bfd_bool_bfd_link_false_error
 515 extern bfd_boolean _bfd_nolink_bfd_is_group_section
 516   (bfd *, const asection *) ATTRIBUTE_HIDDEN;
 517 extern bfd_boolean _bfd_nolink_bfd_discard_group
 518   (bfd *, asection *) ATTRIBUTE_HIDDEN;
 519 extern struct bfd_link_hash_table *_bfd_nolink_bfd_link_hash_table_create
 520   (bfd *) ATTRIBUTE_HIDDEN;
 521 #define _bfd_nolink_bfd_link_add_symbols _bfd_bool_bfd_link_false_error
 522 extern void _bfd_nolink_bfd_link_just_syms
 523   (asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 524 extern void _bfd_nolink_bfd_copy_link_hash_symbol_type
 525   (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *)
 526   ATTRIBUTE_HIDDEN;
 527 #define _bfd_nolink_bfd_final_link _bfd_bool_bfd_link_false_error
 528 extern bfd_boolean _bfd_nolink_bfd_link_split_section
 529   (bfd *, struct bfd_section *) ATTRIBUTE_HIDDEN;
 530 extern bfd_boolean _bfd_nolink_section_already_linked
 531   (bfd *, asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 532 extern bfd_boolean _bfd_nolink_bfd_define_common_symbol
 533   (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *)
 534   ATTRIBUTE_HIDDEN;
 535 #define _bfd_nolink_bfd_link_hide_symbol \
 536   _bfd_generic_link_hide_symbol
 537 extern struct bfd_link_hash_entry *_bfd_nolink_bfd_define_start_stop
 538   (struct bfd_link_info *, const char *, asection *) ATTRIBUTE_HIDDEN;
 539 #define _bfd_nolink_bfd_link_check_relocs \
 540   _bfd_generic_link_check_relocs
 541
 542 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
 543    have dynamic symbols or relocs.  Use BFD_JUMP_TABLE_DYNAMIC
 544    (_bfd_nodynamic).  */
 545
 546 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_long_bfd_n1_error
 547 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
 548   _bfd_nosymbols_canonicalize_symtab
 549 extern long _bfd_nodynamic_get_synthetic_symtab
 550   (bfd *, long, asymbol **, long, asymbol **, asymbol **) ATTRIBUTE_HIDDEN;
 551 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_long_bfd_n1_error
 552 extern long _bfd_nodynamic_canonicalize_dynamic_reloc
 553   (bfd *, arelent **, asymbol **) ATTRIBUTE_HIDDEN;
 554 \f
 555 /* Generic routine to determine of the given symbol is a local
 556    label.  */
 557 extern bfd_boolean bfd_generic_is_local_label_name
 558   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 559
 560 /* Generic minisymbol routines.  */
 561 extern long _bfd_generic_read_minisymbols
 562   (bfd *, bfd_boolean, void **, unsigned int *) ATTRIBUTE_HIDDEN;
 563 extern asymbol *_bfd_generic_minisymbol_to_symbol
 564   (bfd *, bfd_boolean, const void *, asymbol *) ATTRIBUTE_HIDDEN;
 565
 566 /* Find the nearest line using .stab/.stabstr sections.  */
 567 extern bfd_boolean _bfd_stab_section_find_nearest_line
 568   (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *,
 569    const char **, const char **, unsigned int *, void **) ATTRIBUTE_HIDDEN;
 570
 571 /* Find the nearest line using DWARF 1 debugging information.  */
 572 extern bfd_boolean _bfd_dwarf1_find_nearest_line
 573   (bfd *, asymbol **, asection *, bfd_vma,
 574    const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN;
 575
 576 struct dwarf_debug_section
 577 {
 578   const char * uncompressed_name;
 579   const char * compressed_name;
 580 };
 581
 582 /* Map of uncompressed DWARF debug section name to compressed one.  It
 583    is terminated by NULL uncompressed_name.  */
 584
 585 extern const struct dwarf_debug_section dwarf_debug_sections[] ATTRIBUTE_HIDDEN;
 586
 587 /* Find the nearest line using DWARF 2 debugging information.  */
 588 extern bfd_boolean _bfd_dwarf2_find_nearest_line
 589   (bfd *, asymbol **, asymbol *, asection *, bfd_vma,
 590    const char **, const char **, unsigned int *, unsigned int *,
 591    const struct dwarf_debug_section *, unsigned int, void **) ATTRIBUTE_HIDDEN;
 592
 593 /* Find the bias between DWARF addresses and real addresses.  */
 594 extern bfd_signed_vma _bfd_dwarf2_find_symbol_bias
 595   (asymbol **, void **) ATTRIBUTE_HIDDEN;
 596
 597 /* Find inliner info after calling bfd_find_nearest_line. */
 598 extern bfd_boolean _bfd_dwarf2_find_inliner_info
 599   (bfd *, const char **, const char **, unsigned int *, void **)
 600   ATTRIBUTE_HIDDEN;
 601
 602 /* Read DWARF 2 debugging information. */
 603 extern bfd_boolean _bfd_dwarf2_slurp_debug_info
 604   (bfd *, bfd *, const struct dwarf_debug_section *, asymbol **, void **,
 605    bfd_boolean) ATTRIBUTE_HIDDEN;
 606
 607 /* Clean up the data used to handle DWARF 2 debugging information. */
 608 extern void _bfd_dwarf2_cleanup_debug_info
 609   (bfd *, void **) ATTRIBUTE_HIDDEN;
 610
 611 /* Create a new section entry.  */
 612 extern struct bfd_hash_entry *bfd_section_hash_newfunc
 613   (struct bfd_hash_entry *, struct bfd_hash_table *, const char *)
 614   ATTRIBUTE_HIDDEN;
 615
 616 /* A routine to create entries for a bfd_link_hash_table.  */
 617 extern struct bfd_hash_entry *_bfd_link_hash_newfunc
 618   (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
 619    const char *string) ATTRIBUTE_HIDDEN;
 620
 621 /* Initialize a bfd_link_hash_table.  */
 622 extern bfd_boolean _bfd_link_hash_table_init
 623   (struct bfd_link_hash_table *, bfd *,
 624    struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 625                                struct bfd_hash_table *,
 626                                const char *),
 627    unsigned int) ATTRIBUTE_HIDDEN;
 628
 629 /* Generic link hash table creation routine.  */
 630 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
 631   (bfd *) ATTRIBUTE_HIDDEN;
 632
 633 /* Generic link hash table destruction routine.  */
 634 extern void _bfd_generic_link_hash_table_free
 635   (bfd *) ATTRIBUTE_HIDDEN;
 636
 637 /* Generic add symbol routine.  */
 638 extern bfd_boolean _bfd_generic_link_add_symbols
 639   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 640
 641 /* Generic archive add symbol routine.  */
 642 extern bfd_boolean _bfd_generic_link_add_archive_symbols
 643   (bfd *, struct bfd_link_info *,
 644    bfd_boolean (*) (bfd *, struct bfd_link_info *,
 645                     struct bfd_link_hash_entry *, const char *,
 646                     bfd_boolean *)) ATTRIBUTE_HIDDEN;
 647
 648 /* Forward declaration to avoid prototype errors.  */
 649 typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
 650
 651 /* Generic routine to add a single symbol.  */
 652 extern bfd_boolean _bfd_generic_link_add_one_symbol
 653   (struct bfd_link_info *, bfd *, const char *name, flagword,
 654    asection *, bfd_vma, const char *, bfd_boolean copy,
 655    bfd_boolean constructor, struct bfd_link_hash_entry **) ATTRIBUTE_HIDDEN;
 656
 657 /* Generic routine to mark section as supplying symbols only.  */
 658 extern void _bfd_generic_link_just_syms
 659   (asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 660
 661 /* Generic routine that does nothing.  */
 662 extern void _bfd_generic_copy_link_hash_symbol_type
 663   (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *)
 664   ATTRIBUTE_HIDDEN;
 665
 666 /* Generic link routine.  */
 667 extern bfd_boolean _bfd_generic_final_link
 668   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 669
 670 extern bfd_boolean _bfd_generic_link_split_section
 671   (bfd *, struct bfd_section *) ATTRIBUTE_HIDDEN;
 672
 673 extern bfd_boolean _bfd_generic_section_already_linked
 674   (bfd *, asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 675
 676 /* Generic reloc_link_order processing routine.  */
 677 extern bfd_boolean _bfd_generic_reloc_link_order
 678   (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *)
 679   ATTRIBUTE_HIDDEN;
 680
 681 /* Default link order processing routine.  */
 682 extern bfd_boolean _bfd_default_link_order
 683   (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *)
 684   ATTRIBUTE_HIDDEN;
 685
 686 /* Count the number of reloc entries in a link order list.  */
 687 extern unsigned int _bfd_count_link_order_relocs
 688   (struct bfd_link_order *) ATTRIBUTE_HIDDEN;
 689
 690 /* Final link relocation routine.  */
 691 extern bfd_reloc_status_type _bfd_final_link_relocate
 692   (reloc_howto_type *, bfd *, asection *, bfd_byte *,
 693    bfd_vma, bfd_vma, bfd_vma) ATTRIBUTE_HIDDEN;
 694
 695 /* Relocate a particular location by a howto and a value.  */
 696 extern bfd_reloc_status_type _bfd_relocate_contents
 697   (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *) ATTRIBUTE_HIDDEN;
 698
 699 /* Clear a given location using a given howto.  */
 700 extern void _bfd_clear_contents
 701   (reloc_howto_type *, bfd *, asection *, bfd_byte *) ATTRIBUTE_HIDDEN;
 702
 703 /* Link stabs in sections in the first pass.  */
 704
 705 extern bfd_boolean _bfd_link_section_stabs
 706   (bfd *, struct stab_info *, asection *, asection *, void **,
 707    bfd_size_type *) ATTRIBUTE_HIDDEN;
 708
 709 /* Eliminate stabs for discarded functions and symbols.  */
 710 extern bfd_boolean _bfd_discard_section_stabs
 711   (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *)
 712   ATTRIBUTE_HIDDEN;
 713
 714 /* Write out the .stab section when linking stabs in sections.  */
 715
 716 extern bfd_boolean _bfd_write_section_stabs
 717   (bfd *, struct stab_info *, asection *, void **, bfd_byte *)
 718   ATTRIBUTE_HIDDEN;
 719
 720 /* Write out the .stabstr string table when linking stabs in sections.  */
 721
 722 extern bfd_boolean _bfd_write_stab_strings
 723   (bfd *, struct stab_info *) ATTRIBUTE_HIDDEN;
 724
 725 /* Find an offset within a .stab section when linking stabs in
 726    sections.  */
 727
 728 extern bfd_vma _bfd_stab_section_offset
 729   (asection *, void *, bfd_vma) ATTRIBUTE_HIDDEN;
 730
 731 /* Register a SEC_MERGE section as a candidate for merging.  */
 732
 733 extern bfd_boolean _bfd_add_merge_section
 734   (bfd *, void **, asection *, void **) ATTRIBUTE_HIDDEN;
 735
 736 /* Attempt to merge SEC_MERGE sections.  */
 737
 738 extern bfd_boolean _bfd_merge_sections
 739   (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *))
 740   ATTRIBUTE_HIDDEN;
 741
 742 /* Write out a merged section.  */
 743
 744 extern bfd_boolean _bfd_write_merged_section
 745   (bfd *, asection *, void *) ATTRIBUTE_HIDDEN;
 746
 747 /* Find an offset within a modified SEC_MERGE section.  */
 748
 749 extern bfd_vma _bfd_merged_section_offset
 750   (bfd *, asection **, void *, bfd_vma) ATTRIBUTE_HIDDEN;
 751
 752 /* Tidy up when done.  */
 753
 754 extern void _bfd_merge_sections_free (void *) ATTRIBUTE_HIDDEN;
 755
 756 /* Create a string table.  */
 757 extern struct bfd_strtab_hash *_bfd_stringtab_init
 758   (void) ATTRIBUTE_HIDDEN;
 759
 760 /* Create an XCOFF .debug section style string table.  */
 761 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init
 762   (void) ATTRIBUTE_HIDDEN;
 763
 764 /* Free a string table.  */
 765 extern void _bfd_stringtab_free
 766   (struct bfd_strtab_hash *) ATTRIBUTE_HIDDEN;
 767
 768 /* Get the size of a string table.  */
 769 extern bfd_size_type _bfd_stringtab_size
 770   (struct bfd_strtab_hash *) ATTRIBUTE_HIDDEN;
 771
 772 /* Add a string to a string table.  */
 773 extern bfd_size_type _bfd_stringtab_add
 774   (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy)
 775   ATTRIBUTE_HIDDEN;
 776
 777 /* Write out a string table.  */
 778 extern bfd_boolean _bfd_stringtab_emit
 779   (bfd *, struct bfd_strtab_hash *) ATTRIBUTE_HIDDEN;
 780 \f
 781 /* Macros to tell if bfds are read or write enabled.
 782
 783    Note that bfds open for read may be scribbled into if the fd passed
 784    to bfd_fdopenr is actually open both for read and write
 785    simultaneously.  However an output bfd will never be open for
 786    read.  Therefore sometimes you want to check bfd_read_p or
 787    !bfd_read_p, and only sometimes bfd_write_p.
 788 */
 789
 790 #define bfd_read_p(abfd) \
 791   ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
 792 #define bfd_write_p(abfd) \
 793   ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
 794
 795 extern void bfd_assert
 796   (const char*,int) ATTRIBUTE_HIDDEN;
 797
 798 #define BFD_ASSERT(x) \
 799   do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
 800
 801 #define BFD_FAIL() \
 802   do { bfd_assert(__FILE__,__LINE__); } while (0)
 803
 804 extern void _bfd_abort
 805   (const char *, int, const char *) ATTRIBUTE_NORETURN ATTRIBUTE_HIDDEN;
 806
 807 /* if gcc >= 2.6, we can give a function name, too */
 808 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
 809 #define __PRETTY_FUNCTION__  ((char *) NULL)
 810 #endif
 811
 812 #undef abort
 813 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
 814
 815 /* Manipulate a system FILE but using BFD's "file_ptr", rather than
 816    the system "off_t" or "off64_t", as the offset.  */
 817 extern file_ptr _bfd_real_ftell
 818   (FILE *) ATTRIBUTE_HIDDEN;
 819 extern int _bfd_real_fseek
 820   (FILE *, file_ptr, int) ATTRIBUTE_HIDDEN;
 821 extern FILE *_bfd_real_fopen
 822   (const char *, const char *) ATTRIBUTE_HIDDEN;
 823
 824 /* List of supported target vectors, and the default vector (if
 825    bfd_default_vector[0] is NULL, there is no default).  */
 826 extern const bfd_target * const *bfd_target_vector ATTRIBUTE_HIDDEN;
 827 extern const bfd_target *bfd_default_vector[] ATTRIBUTE_HIDDEN;
 828
 829 /* List of associated target vectors.  */
 830 extern const bfd_target * const *bfd_associated_vector ATTRIBUTE_HIDDEN;
 831
 832 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
 833    other common header files.  */
 834
 835 #if defined(__STDC__) || defined(ALMOST_STDC)
 836 struct ecoff_find_line;
 837 #endif
 838
 839 extern bfd_boolean _bfd_ecoff_locate_line
 840   (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
 841    const struct ecoff_debug_swap * const, struct ecoff_find_line *,
 842    const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN;
 843 extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
 844   (void *, bfd_byte *) ATTRIBUTE_HIDDEN;
 845 extern bfd_boolean _bfd_ecoff_get_accumulated_sym
 846   (void *, bfd_byte *) ATTRIBUTE_HIDDEN;
 847 extern bfd_boolean _bfd_ecoff_get_accumulated_ss
 848   (void *, bfd_byte *) ATTRIBUTE_HIDDEN;
 849
 850 extern bfd_vma _bfd_get_gp_value
 851   (bfd *) ATTRIBUTE_HIDDEN;
 852 extern void _bfd_set_gp_value
 853   (bfd *, bfd_vma) ATTRIBUTE_HIDDEN;
 854
 855 /* Function shared by the COFF and ELF SH backends, which have no
 856    other common header files.  */
 857
 858 #ifndef _bfd_sh_align_load_span
 859 extern bfd_boolean _bfd_sh_align_load_span
 860   (bfd *, asection *, bfd_byte *,
 861    bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
 862    void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *) ATTRIBUTE_HIDDEN;
 863 #endif
 864
 865 /* This is the shape of the elements inside the already_linked hash
 866    table. It maps a name onto a list of already_linked elements with
 867    the same name.  */
 868
 869 struct bfd_section_already_linked_hash_entry
 870 {
 871   struct bfd_hash_entry root;
 872   struct bfd_section_already_linked *entry;
 873 };
 874
 875 struct bfd_section_already_linked
 876 {
 877   struct bfd_section_already_linked *next;
 878   asection *sec;
 879 };
 880
 881 extern struct bfd_section_already_linked_hash_entry *
 882   bfd_section_already_linked_table_lookup (const char *) ATTRIBUTE_HIDDEN;
 883 extern bfd_boolean bfd_section_already_linked_table_insert
 884   (struct bfd_section_already_linked_hash_entry *, asection *)
 885   ATTRIBUTE_HIDDEN;
 886 extern void bfd_section_already_linked_table_traverse
 887   (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *,
 888                     void *), void *) ATTRIBUTE_HIDDEN;
 889
 890 extern bfd_vma _bfd_read_unsigned_leb128
 891   (bfd *, bfd_byte *, unsigned int *) ATTRIBUTE_HIDDEN;
 892 extern bfd_signed_vma _bfd_read_signed_leb128
 893   (bfd *, bfd_byte *, unsigned int *) ATTRIBUTE_HIDDEN;
 894 extern bfd_vma _bfd_safe_read_leb128
 895   (bfd *, bfd_byte *, unsigned int *, bfd_boolean, const bfd_byte * const)
 896   ATTRIBUTE_HIDDEN;