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) 1990-2019 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 static inline char *
 127 bfd_strdup (const char *str)
 128 {
 129   size_t len = strlen (str) + 1;
 130   char *buf = bfd_malloc (len);
 131   if (buf != NULL)
 132     memcpy (buf, str, len);
 133   return buf;
 134 }
 135 /* These routines allocate and free things on the BFD's objalloc.  */
 136
 137 extern void *bfd_alloc2
 138   (bfd *, bfd_size_type, bfd_size_type) ATTRIBUTE_HIDDEN;
 139 extern void *bfd_zalloc2
 140   (bfd *, bfd_size_type, bfd_size_type) ATTRIBUTE_HIDDEN;
 141 extern void bfd_release
 142   (bfd *, void *) ATTRIBUTE_HIDDEN;
 143
 144 extern bfd * _bfd_create_empty_archive_element_shell
 145   (bfd *) ATTRIBUTE_HIDDEN;
 146 extern bfd * _bfd_look_for_bfd_in_cache
 147   (bfd *, file_ptr) ATTRIBUTE_HIDDEN;
 148 extern bfd_boolean _bfd_add_bfd_to_archive_cache
 149   (bfd *, file_ptr, bfd *) ATTRIBUTE_HIDDEN;
 150 extern bfd_boolean _bfd_generic_mkarchive
 151   (bfd *) ATTRIBUTE_HIDDEN;
 152 extern char *_bfd_append_relative_path
 153   (bfd *, char *) ATTRIBUTE_HIDDEN;
 154 extern const bfd_target *bfd_generic_archive_p
 155   (bfd *) ATTRIBUTE_HIDDEN;
 156 extern bfd_boolean bfd_slurp_armap
 157   (bfd *) ATTRIBUTE_HIDDEN;
 158 #define bfd_slurp_bsd_armap bfd_slurp_armap
 159 #define bfd_slurp_coff_armap bfd_slurp_armap
 160 extern bfd_boolean _bfd_archive_64_bit_slurp_armap
 161   (bfd *) ATTRIBUTE_HIDDEN;
 162 extern bfd_boolean _bfd_archive_64_bit_write_armap
 163   (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN;
 164 #define _bfd_archive_64_bit_slurp_extended_name_table \
 165   _bfd_slurp_extended_name_table
 166 #define _bfd_archive_64_bit_construct_extended_name_table \
 167   _bfd_archive_coff_construct_extended_name_table
 168 #define _bfd_archive_64_bit_truncate_arname \
 169   bfd_dont_truncate_arname
 170 #define _bfd_archive_64_bit_read_ar_hdr \
 171   _bfd_generic_read_ar_hdr
 172 #define _bfd_archive_64_bit_write_ar_hdr \
 173   _bfd_generic_write_ar_hdr
 174 #define _bfd_archive_64_bit_openr_next_archived_file \
 175   bfd_generic_openr_next_archived_file
 176 #define _bfd_archive_64_bit_get_elt_at_index \
 177   _bfd_generic_get_elt_at_index
 178 #define _bfd_archive_64_bit_generic_stat_arch_elt \
 179   bfd_generic_stat_arch_elt
 180 #define _bfd_archive_64_bit_update_armap_timestamp _bfd_bool_bfd_true
 181
 182 extern bfd_boolean _bfd_slurp_extended_name_table
 183   (bfd *) ATTRIBUTE_HIDDEN;
 184 extern bfd_boolean _bfd_construct_extended_name_table
 185   (bfd *, bfd_boolean, char **, bfd_size_type *) ATTRIBUTE_HIDDEN;
 186 extern bfd_boolean _bfd_write_archive_contents
 187   (bfd *) ATTRIBUTE_HIDDEN;
 188 extern bfd_boolean _bfd_compute_and_write_armap
 189   (bfd *, unsigned int) ATTRIBUTE_HIDDEN;
 190 extern bfd *_bfd_get_elt_at_filepos
 191   (bfd *, file_ptr) ATTRIBUTE_HIDDEN;
 192 extern bfd *_bfd_generic_get_elt_at_index
 193   (bfd *, symindex) ATTRIBUTE_HIDDEN;
 194 extern bfd * _bfd_new_bfd
 195   (void) ATTRIBUTE_HIDDEN;
 196 extern bfd_boolean _bfd_free_cached_info
 197   (bfd *) ATTRIBUTE_HIDDEN;
 198
 199 extern bfd_boolean _bfd_bool_bfd_false
 200   (bfd *) ATTRIBUTE_HIDDEN;
 201 extern bfd_boolean _bfd_bool_bfd_asymbol_false
 202   (bfd *, asymbol *) ATTRIBUTE_HIDDEN;
 203 extern bfd_boolean _bfd_bool_bfd_false_error
 204   (bfd *) ATTRIBUTE_HIDDEN;
 205 extern bfd_boolean _bfd_bool_bfd_link_false_error
 206   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 207 extern bfd_boolean _bfd_bool_bfd_true
 208   (bfd *) ATTRIBUTE_HIDDEN;
 209 extern bfd_boolean _bfd_bool_bfd_link_true
 210   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 211 extern bfd_boolean _bfd_bool_bfd_bfd_true
 212   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 213 extern bfd_boolean _bfd_bool_bfd_uint_true
 214   (bfd *, unsigned int) ATTRIBUTE_HIDDEN;
 215 extern bfd_boolean _bfd_bool_bfd_asection_bfd_asection_true
 216   (bfd *, asection *, bfd *, asection *) ATTRIBUTE_HIDDEN;
 217 extern bfd_boolean _bfd_bool_bfd_asymbol_bfd_asymbol_true
 218   (bfd *, asymbol *, bfd *, asymbol *) ATTRIBUTE_HIDDEN;
 219 extern bfd_boolean _bfd_bool_bfd_ptr_true
 220   (bfd *, void *) ATTRIBUTE_HIDDEN;
 221 extern void *_bfd_ptr_bfd_null_error
 222   (bfd *) ATTRIBUTE_HIDDEN;
 223 extern int _bfd_int_bfd_0
 224   (bfd *) ATTRIBUTE_HIDDEN;
 225 extern unsigned int _bfd_uint_bfd_0
 226   (bfd *) ATTRIBUTE_HIDDEN;
 227 extern long _bfd_long_bfd_0
 228   (bfd *) ATTRIBUTE_HIDDEN;
 229 extern long _bfd_long_bfd_n1_error
 230   (bfd *) ATTRIBUTE_HIDDEN;
 231 extern void _bfd_void_bfd
 232   (bfd *) ATTRIBUTE_HIDDEN;
 233 extern void _bfd_void_bfd_link
 234   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 235 extern void _bfd_void_bfd_asection
 236   (bfd *, asection *) ATTRIBUTE_HIDDEN;
 237
 238 extern bfd *_bfd_new_bfd_contained_in
 239   (bfd *) ATTRIBUTE_HIDDEN;
 240 extern const bfd_target *_bfd_dummy_target
 241   (bfd *) ATTRIBUTE_HIDDEN;
 242
 243 extern void bfd_dont_truncate_arname
 244   (bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
 245 extern void bfd_bsd_truncate_arname
 246   (bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
 247 extern void bfd_gnu_truncate_arname
 248   (bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
 249
 250 extern bfd_boolean _bfd_bsd_write_armap
 251   (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN;
 252
 253 extern bfd_boolean _bfd_coff_write_armap
 254   (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN;
 255
 256 extern void *_bfd_generic_read_ar_hdr
 257   (bfd *) ATTRIBUTE_HIDDEN;
 258 extern void _bfd_ar_spacepad
 259   (char *, size_t, const char *, long) ATTRIBUTE_HIDDEN;
 260 extern bfd_boolean _bfd_ar_sizepad
 261   (char *, size_t, bfd_size_type) ATTRIBUTE_HIDDEN;
 262
 263 extern void *_bfd_generic_read_ar_hdr_mag
 264   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 265
 266 extern bfd_boolean _bfd_generic_write_ar_hdr
 267   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 268
 269 extern bfd_boolean _bfd_bsd44_write_ar_hdr
 270   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 271
 272 extern bfd * bfd_generic_openr_next_archived_file
 273   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 274
 275 extern int bfd_generic_stat_arch_elt
 276   (bfd *, struct stat *) ATTRIBUTE_HIDDEN;
 277
 278 #define _bfd_read_ar_hdr(abfd) \
 279         BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
 280 #define _bfd_write_ar_hdr(archive, abfd)         \
 281         BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd))
 282 \f
 283 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC.  Use
 284    BFD_JUMP_TABLE_GENERIC (_bfd_generic).  */
 285
 286 #define _bfd_generic_close_and_cleanup _bfd_archive_close_and_cleanup
 287 extern bfd_boolean _bfd_archive_close_and_cleanup
 288   (bfd *) ATTRIBUTE_HIDDEN;
 289 extern void _bfd_unlink_from_archive_parent (bfd *) ATTRIBUTE_HIDDEN;
 290 #define _bfd_generic_bfd_free_cached_info _bfd_bool_bfd_true
 291 extern bfd_boolean _bfd_generic_new_section_hook
 292   (bfd *, asection *) ATTRIBUTE_HIDDEN;
 293 extern bfd_boolean _bfd_generic_get_section_contents
 294   (bfd *, asection *, void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
 295 extern bfd_boolean _bfd_generic_get_section_contents_in_window
 296   (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
 297
 298 /* Generic routines to use for BFD_JUMP_TABLE_COPY.  Use
 299    BFD_JUMP_TABLE_COPY (_bfd_generic).  */
 300
 301 #define _bfd_generic_bfd_copy_private_bfd_data _bfd_bool_bfd_bfd_true
 302 #define _bfd_generic_bfd_merge_private_bfd_data \
 303   _bfd_bool_bfd_link_true
 304 #define _bfd_generic_bfd_set_private_flags _bfd_bool_bfd_uint_true
 305 #define _bfd_generic_bfd_copy_private_section_data \
 306   _bfd_bool_bfd_asection_bfd_asection_true
 307 #define _bfd_generic_bfd_copy_private_symbol_data \
 308   _bfd_bool_bfd_asymbol_bfd_asymbol_true
 309 #define _bfd_generic_bfd_copy_private_header_data _bfd_bool_bfd_bfd_true
 310 #define _bfd_generic_bfd_print_private_bfd_data _bfd_bool_bfd_ptr_true
 311
 312 extern bfd_boolean _bfd_generic_init_private_section_data
 313   (bfd *, asection *, bfd *, asection *, struct bfd_link_info *)
 314   ATTRIBUTE_HIDDEN;
 315
 316 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
 317    support.  Use BFD_JUMP_TABLE_CORE (_bfd_nocore).  */
 318
 319 extern char *_bfd_nocore_core_file_failing_command
 320   (bfd *) ATTRIBUTE_HIDDEN;
 321 extern int _bfd_nocore_core_file_failing_signal
 322   (bfd *) ATTRIBUTE_HIDDEN;
 323 extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
 324   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 325 extern int _bfd_nocore_core_file_pid
 326   (bfd *) ATTRIBUTE_HIDDEN;
 327
 328 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
 329    file support.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive).  */
 330
 331 #define _bfd_noarchive_slurp_armap _bfd_bool_bfd_false_error
 332 #define _bfd_noarchive_slurp_extended_name_table _bfd_bool_bfd_false_error
 333 extern bfd_boolean _bfd_noarchive_construct_extended_name_table
 334   (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
 335 extern void _bfd_noarchive_truncate_arname
 336   (bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
 337 extern bfd_boolean _bfd_noarchive_write_armap
 338   (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN;
 339 #define _bfd_noarchive_read_ar_hdr _bfd_ptr_bfd_null_error
 340 extern bfd_boolean _bfd_noarchive_write_ar_hdr
 341   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 342 extern bfd *
 343 _bfd_noarchive_openr_next_archived_file
 344   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 345 extern bfd * _bfd_noarchive_get_elt_at_index
 346   (bfd *, symindex) ATTRIBUTE_HIDDEN;
 347 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
 348 #define _bfd_noarchive_update_armap_timestamp _bfd_bool_bfd_false_error
 349
 350 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
 351    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd).  */
 352
 353 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
 354 #define _bfd_archive_bsd_slurp_extended_name_table \
 355   _bfd_slurp_extended_name_table
 356 extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
 357   (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
 358 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
 359 #define _bfd_archive_bsd_write_armap _bfd_bsd_write_armap
 360 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
 361 #define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr
 362 #define _bfd_archive_bsd_openr_next_archived_file \
 363   bfd_generic_openr_next_archived_file
 364 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
 365 #define _bfd_archive_bsd_generic_stat_arch_elt \
 366   bfd_generic_stat_arch_elt
 367 extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
 368   (bfd *) ATTRIBUTE_HIDDEN;
 369
 370 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
 371    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff).  */
 372
 373 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
 374 #define _bfd_archive_coff_slurp_extended_name_table \
 375   _bfd_slurp_extended_name_table
 376 extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
 377   (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
 378 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
 379 #define _bfd_archive_coff_write_armap _bfd_coff_write_armap
 380 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
 381 #define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr
 382 #define _bfd_archive_coff_openr_next_archived_file \
 383   bfd_generic_openr_next_archived_file
 384 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
 385 #define _bfd_archive_coff_generic_stat_arch_elt \
 386   bfd_generic_stat_arch_elt
 387 #define _bfd_archive_coff_update_armap_timestamp _bfd_bool_bfd_true
 388
 389 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style
 390    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44).  */
 391
 392 #define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap
 393 #define _bfd_archive_bsd44_slurp_extended_name_table \
 394   _bfd_slurp_extended_name_table
 395 extern bfd_boolean _bfd_archive_bsd44_construct_extended_name_table
 396   (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
 397 #define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname
 398 #define _bfd_archive_bsd44_write_armap _bfd_bsd_write_armap
 399 #define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr
 400 #define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr
 401 #define _bfd_archive_bsd44_openr_next_archived_file \
 402   bfd_generic_openr_next_archived_file
 403 #define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index
 404 #define _bfd_archive_bsd44_generic_stat_arch_elt \
 405   bfd_generic_stat_arch_elt
 406 #define _bfd_archive_bsd44_update_armap_timestamp \
 407   _bfd_archive_bsd_update_armap_timestamp
 408
 409 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style
 410    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib).  Some of them
 411    are irrelevant.  */
 412
 413 extern bfd_boolean _bfd_vms_lib_write_archive_contents
 414   (bfd *) ATTRIBUTE_HIDDEN;
 415 #define _bfd_vms_lib_slurp_armap _bfd_noarchive_slurp_armap
 416 #define _bfd_vms_lib_slurp_extended_name_table \
 417   _bfd_noarchive_slurp_extended_name_table
 418 #define _bfd_vms_lib_construct_extended_name_table \
 419   _bfd_noarchive_construct_extended_name_table
 420 #define _bfd_vms_lib_truncate_arname _bfd_noarchive_truncate_arname
 421 #define _bfd_vms_lib_write_armap _bfd_noarchive_write_armap
 422 #define _bfd_vms_lib_read_ar_hdr _bfd_noarchive_read_ar_hdr
 423 #define _bfd_vms_lib_write_ar_hdr _bfd_noarchive_write_ar_hdr
 424 extern bfd *_bfd_vms_lib_openr_next_archived_file
 425   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 426 extern bfd *_bfd_vms_lib_get_elt_at_index
 427   (bfd *, symindex) ATTRIBUTE_HIDDEN;
 428 extern int _bfd_vms_lib_generic_stat_arch_elt
 429   (bfd *, struct stat *) ATTRIBUTE_HIDDEN;
 430 #define _bfd_vms_lib_update_armap_timestamp _bfd_bool_bfd_true
 431
 432 /* Extra routines for VMS style archives.  */
 433
 434 extern symindex _bfd_vms_lib_find_symbol
 435   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 436 extern bfd *_bfd_vms_lib_get_imagelib_file
 437   (bfd *) ATTRIBUTE_HIDDEN;
 438 extern const bfd_target *_bfd_vms_lib_alpha_archive_p
 439   (bfd *) ATTRIBUTE_HIDDEN;
 440 extern const bfd_target *_bfd_vms_lib_ia64_archive_p
 441   (bfd *) ATTRIBUTE_HIDDEN;
 442 extern bfd_boolean _bfd_vms_lib_alpha_mkarchive
 443   (bfd *) ATTRIBUTE_HIDDEN;
 444 extern bfd_boolean _bfd_vms_lib_ia64_mkarchive
 445   (bfd *) ATTRIBUTE_HIDDEN;
 446
 447 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
 448    support.  Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols).  */
 449
 450 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_long_bfd_n1_error
 451 extern long _bfd_nosymbols_canonicalize_symtab
 452   (bfd *, asymbol **) ATTRIBUTE_HIDDEN;
 453 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
 454 extern void _bfd_nosymbols_print_symbol
 455   (bfd *, void *, asymbol *, bfd_print_symbol_type) ATTRIBUTE_HIDDEN;
 456 extern void _bfd_nosymbols_get_symbol_info
 457   (bfd *, asymbol *, symbol_info *) ATTRIBUTE_HIDDEN;
 458 extern const char * _bfd_nosymbols_get_symbol_version_string
 459   (bfd *, asymbol *, bfd_boolean *) ATTRIBUTE_HIDDEN;
 460 extern bfd_boolean _bfd_nosymbols_bfd_is_local_label_name
 461   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 462 #define _bfd_nosymbols_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false
 463 extern alent *_bfd_nosymbols_get_lineno
 464   (bfd *, asymbol *) ATTRIBUTE_HIDDEN;
 465 extern bfd_boolean _bfd_nosymbols_find_nearest_line
 466   (bfd *, asymbol **, asection *, bfd_vma,
 467    const char **, const char **, unsigned int *, unsigned int *)
 468   ATTRIBUTE_HIDDEN;
 469 extern bfd_boolean _bfd_nosymbols_find_line
 470   (bfd *, asymbol **, asymbol *, const char **, unsigned int *)
 471   ATTRIBUTE_HIDDEN;
 472 extern bfd_boolean _bfd_nosymbols_find_inliner_info
 473   (bfd *, const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN;
 474 extern asymbol *_bfd_nosymbols_bfd_make_debug_symbol
 475   (bfd *, void *, unsigned long) ATTRIBUTE_HIDDEN;
 476 extern long _bfd_nosymbols_read_minisymbols
 477   (bfd *, bfd_boolean, void **, unsigned int *) ATTRIBUTE_HIDDEN;
 478 extern asymbol *_bfd_nosymbols_minisymbol_to_symbol
 479   (bfd *, bfd_boolean, const void *, asymbol *) ATTRIBUTE_HIDDEN;
 480
 481 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
 482    support.  Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs).  */
 483
 484 extern long _bfd_norelocs_get_reloc_upper_bound
 485   (bfd *, asection *) ATTRIBUTE_HIDDEN;
 486 extern long _bfd_norelocs_canonicalize_reloc
 487   (bfd *, asection *, arelent **, asymbol **) ATTRIBUTE_HIDDEN;
 488 extern void _bfd_norelocs_set_reloc
 489   (bfd *, asection *, arelent **, unsigned int) ATTRIBUTE_HIDDEN;
 490 extern reloc_howto_type *_bfd_norelocs_bfd_reloc_type_lookup
 491   (bfd *, bfd_reloc_code_real_type) ATTRIBUTE_HIDDEN;
 492 extern reloc_howto_type *_bfd_norelocs_bfd_reloc_name_lookup
 493   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 494
 495 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
 496    be written.  Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite).  */
 497
 498 extern bfd_boolean _bfd_nowrite_set_arch_mach
 499   (bfd *, enum bfd_architecture, unsigned long) ATTRIBUTE_HIDDEN;
 500 extern bfd_boolean _bfd_nowrite_set_section_contents
 501   (bfd *, asection *, const void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
 502
 503 /* Generic routines to use for BFD_JUMP_TABLE_WRITE.  Use
 504    BFD_JUMP_TABLE_WRITE (_bfd_generic).  */
 505
 506 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
 507 extern bfd_boolean _bfd_generic_set_section_contents
 508   (bfd *, asection *, const void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
 509
 510 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
 511    support linking.  Use BFD_JUMP_TABLE_LINK (_bfd_nolink).  */
 512
 513 extern int _bfd_nolink_sizeof_headers
 514   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 515 extern bfd_byte *_bfd_nolink_bfd_get_relocated_section_contents
 516   (bfd *, struct bfd_link_info *, struct bfd_link_order *,
 517    bfd_byte *, bfd_boolean, asymbol **) ATTRIBUTE_HIDDEN;
 518 extern bfd_boolean _bfd_nolink_bfd_relax_section
 519   (bfd *, asection *, struct bfd_link_info *, bfd_boolean *) ATTRIBUTE_HIDDEN;
 520 #define _bfd_nolink_bfd_gc_sections _bfd_bool_bfd_link_false_error
 521 extern bfd_boolean _bfd_nolink_bfd_lookup_section_flags
 522   (struct bfd_link_info *, struct flag_info *, asection *) ATTRIBUTE_HIDDEN;
 523 #define _bfd_nolink_bfd_merge_sections _bfd_bool_bfd_link_false_error
 524 extern bfd_boolean _bfd_nolink_bfd_is_group_section
 525   (bfd *, const asection *) ATTRIBUTE_HIDDEN;
 526 extern const char *_bfd_nolink_bfd_group_name
 527   (bfd *, const asection *) ATTRIBUTE_HIDDEN;
 528 extern bfd_boolean _bfd_nolink_bfd_discard_group
 529   (bfd *, asection *) ATTRIBUTE_HIDDEN;
 530 extern struct bfd_link_hash_table *_bfd_nolink_bfd_link_hash_table_create
 531   (bfd *) ATTRIBUTE_HIDDEN;
 532 #define _bfd_nolink_bfd_link_add_symbols _bfd_bool_bfd_link_false_error
 533 extern void _bfd_nolink_bfd_link_just_syms
 534   (asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 535 extern void _bfd_nolink_bfd_copy_link_hash_symbol_type
 536   (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *)
 537   ATTRIBUTE_HIDDEN;
 538 #define _bfd_nolink_bfd_final_link _bfd_bool_bfd_link_false_error
 539 extern bfd_boolean _bfd_nolink_bfd_link_split_section
 540   (bfd *, struct bfd_section *) ATTRIBUTE_HIDDEN;
 541 extern bfd_boolean _bfd_nolink_section_already_linked
 542   (bfd *, asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 543 extern bfd_boolean _bfd_nolink_bfd_define_common_symbol
 544   (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *)
 545   ATTRIBUTE_HIDDEN;
 546 #define _bfd_nolink_bfd_link_hide_symbol \
 547   _bfd_generic_link_hide_symbol
 548 extern struct bfd_link_hash_entry *_bfd_nolink_bfd_define_start_stop
 549   (struct bfd_link_info *, const char *, asection *) ATTRIBUTE_HIDDEN;
 550 #define _bfd_nolink_bfd_link_check_relocs \
 551   _bfd_generic_link_check_relocs
 552
 553 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
 554    have dynamic symbols or relocs.  Use BFD_JUMP_TABLE_DYNAMIC
 555    (_bfd_nodynamic).  */
 556
 557 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_long_bfd_n1_error
 558 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
 559   _bfd_nosymbols_canonicalize_symtab
 560 extern long _bfd_nodynamic_get_synthetic_symtab
 561   (bfd *, long, asymbol **, long, asymbol **, asymbol **) ATTRIBUTE_HIDDEN;
 562 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_long_bfd_n1_error
 563 extern long _bfd_nodynamic_canonicalize_dynamic_reloc
 564   (bfd *, arelent **, asymbol **) ATTRIBUTE_HIDDEN;
 565 \f
 566 /* Generic routine to determine of the given symbol is a local
 567    label.  */
 568 extern bfd_boolean bfd_generic_is_local_label_name
 569   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 570
 571 /* Generic minisymbol routines.  */
 572 extern long _bfd_generic_read_minisymbols
 573   (bfd *, bfd_boolean, void **, unsigned int *) ATTRIBUTE_HIDDEN;
 574 extern asymbol *_bfd_generic_minisymbol_to_symbol
 575   (bfd *, bfd_boolean, const void *, asymbol *) ATTRIBUTE_HIDDEN;
 576
 577 /* Find the nearest line using .stab/.stabstr sections.  */
 578 extern bfd_boolean _bfd_stab_section_find_nearest_line
 579   (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *,
 580    const char **, const char **, unsigned int *, void **) ATTRIBUTE_HIDDEN;
 581
 582 /* Find the nearest line using DWARF 1 debugging information.  */
 583 extern bfd_boolean _bfd_dwarf1_find_nearest_line
 584   (bfd *, asymbol **, asection *, bfd_vma,
 585    const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN;
 586
 587 struct dwarf_debug_section
 588 {
 589   const char * uncompressed_name;
 590   const char * compressed_name;
 591 };
 592
 593 /* Map of uncompressed DWARF debug section name to compressed one.  It
 594    is terminated by NULL uncompressed_name.  */
 595
 596 extern const struct dwarf_debug_section dwarf_debug_sections[] ATTRIBUTE_HIDDEN;
 597
 598 /* Find the nearest line using DWARF 2 debugging information.  */
 599 extern int _bfd_dwarf2_find_nearest_line
 600   (bfd *, asymbol **, asymbol *, asection *, bfd_vma,
 601    const char **, const char **, unsigned int *, unsigned int *,
 602    const struct dwarf_debug_section *, void **) ATTRIBUTE_HIDDEN;
 603
 604 /* Find the bias between DWARF addresses and real addresses.  */
 605 extern bfd_signed_vma _bfd_dwarf2_find_symbol_bias
 606   (asymbol **, void **) ATTRIBUTE_HIDDEN;
 607
 608 /* Find inliner info after calling bfd_find_nearest_line. */
 609 extern bfd_boolean _bfd_dwarf2_find_inliner_info
 610   (bfd *, const char **, const char **, unsigned int *, void **)
 611   ATTRIBUTE_HIDDEN;
 612
 613 /* Read DWARF 2 debugging information. */
 614 extern bfd_boolean _bfd_dwarf2_slurp_debug_info
 615   (bfd *, bfd *, const struct dwarf_debug_section *, asymbol **, void **,
 616    bfd_boolean) ATTRIBUTE_HIDDEN;
 617
 618 /* Clean up the data used to handle DWARF 2 debugging information. */
 619 extern void _bfd_dwarf2_cleanup_debug_info
 620   (bfd *, void **) ATTRIBUTE_HIDDEN;
 621
 622 /* Create a new section entry.  */
 623 extern struct bfd_hash_entry *bfd_section_hash_newfunc
 624   (struct bfd_hash_entry *, struct bfd_hash_table *, const char *)
 625   ATTRIBUTE_HIDDEN;
 626
 627 /* A routine to create entries for a bfd_link_hash_table.  */
 628 extern struct bfd_hash_entry *_bfd_link_hash_newfunc
 629   (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
 630    const char *string) ATTRIBUTE_HIDDEN;
 631
 632 /* Initialize a bfd_link_hash_table.  */
 633 extern bfd_boolean _bfd_link_hash_table_init
 634   (struct bfd_link_hash_table *, bfd *,
 635    struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 636                                struct bfd_hash_table *,
 637                                const char *),
 638    unsigned int) ATTRIBUTE_HIDDEN;
 639
 640 /* Generic link hash table creation routine.  */
 641 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
 642   (bfd *) ATTRIBUTE_HIDDEN;
 643
 644 /* Generic link hash table destruction routine.  */
 645 extern void _bfd_generic_link_hash_table_free
 646   (bfd *) ATTRIBUTE_HIDDEN;
 647
 648 /* Generic add symbol routine.  */
 649 extern bfd_boolean _bfd_generic_link_add_symbols
 650   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 651
 652 /* Generic archive add symbol routine.  */
 653 extern bfd_boolean _bfd_generic_link_add_archive_symbols
 654   (bfd *, struct bfd_link_info *,
 655    bfd_boolean (*) (bfd *, struct bfd_link_info *,
 656                     struct bfd_link_hash_entry *, const char *,
 657                     bfd_boolean *)) ATTRIBUTE_HIDDEN;
 658
 659 /* Forward declaration to avoid prototype errors.  */
 660 typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
 661
 662 /* Generic routine to add a single symbol.  */
 663 extern bfd_boolean _bfd_generic_link_add_one_symbol
 664   (struct bfd_link_info *, bfd *, const char *name, flagword,
 665    asection *, bfd_vma, const char *, bfd_boolean copy,
 666    bfd_boolean constructor, struct bfd_link_hash_entry **) ATTRIBUTE_HIDDEN;
 667
 668 /* Generic routine to mark section as supplying symbols only.  */
 669 extern void _bfd_generic_link_just_syms
 670   (asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 671
 672 /* Generic routine that does nothing.  */
 673 extern void _bfd_generic_copy_link_hash_symbol_type
 674   (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *)
 675   ATTRIBUTE_HIDDEN;
 676
 677 /* Generic link routine.  */
 678 extern bfd_boolean _bfd_generic_final_link
 679   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 680
 681 extern bfd_boolean _bfd_generic_link_split_section
 682   (bfd *, struct bfd_section *) ATTRIBUTE_HIDDEN;
 683
 684 extern bfd_boolean _bfd_generic_section_already_linked
 685   (bfd *, asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 686
 687 /* Generic reloc_link_order processing routine.  */
 688 extern bfd_boolean _bfd_generic_reloc_link_order
 689   (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *)
 690   ATTRIBUTE_HIDDEN;
 691
 692 /* Default link order processing routine.  */
 693 extern bfd_boolean _bfd_default_link_order
 694   (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *)
 695   ATTRIBUTE_HIDDEN;
 696
 697 /* Count the number of reloc entries in a link order list.  */
 698 extern unsigned int _bfd_count_link_order_relocs
 699   (struct bfd_link_order *) ATTRIBUTE_HIDDEN;
 700
 701 /* Final link relocation routine.  */
 702 extern bfd_reloc_status_type _bfd_final_link_relocate
 703   (reloc_howto_type *, bfd *, asection *, bfd_byte *,
 704    bfd_vma, bfd_vma, bfd_vma) ATTRIBUTE_HIDDEN;
 705
 706 /* Relocate a particular location by a howto and a value.  */
 707 extern bfd_reloc_status_type _bfd_relocate_contents
 708   (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *) ATTRIBUTE_HIDDEN;
 709
 710 /* Clear a given location using a given howto.  */
 711 extern bfd_reloc_status_type _bfd_clear_contents
 712   (reloc_howto_type *, bfd *, asection *, bfd_byte *, bfd_vma) ATTRIBUTE_HIDDEN;
 713
 714 /* Link stabs in sections in the first pass.  */
 715
 716 extern bfd_boolean _bfd_link_section_stabs
 717   (bfd *, struct stab_info *, asection *, asection *, void **,
 718    bfd_size_type *) ATTRIBUTE_HIDDEN;
 719
 720 /* Eliminate stabs for discarded functions and symbols.  */
 721 extern bfd_boolean _bfd_discard_section_stabs
 722   (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *)
 723   ATTRIBUTE_HIDDEN;
 724
 725 /* Write out the .stab section when linking stabs in sections.  */
 726
 727 extern bfd_boolean _bfd_write_section_stabs
 728   (bfd *, struct stab_info *, asection *, void **, bfd_byte *)
 729   ATTRIBUTE_HIDDEN;
 730
 731 /* Write out the .stabstr string table when linking stabs in sections.  */
 732
 733 extern bfd_boolean _bfd_write_stab_strings
 734   (bfd *, struct stab_info *) ATTRIBUTE_HIDDEN;
 735
 736 /* Find an offset within a .stab section when linking stabs in
 737    sections.  */
 738
 739 extern bfd_vma _bfd_stab_section_offset
 740   (asection *, void *, bfd_vma) ATTRIBUTE_HIDDEN;
 741
 742 /* Register a SEC_MERGE section as a candidate for merging.  */
 743
 744 extern bfd_boolean _bfd_add_merge_section
 745   (bfd *, void **, asection *, void **) ATTRIBUTE_HIDDEN;
 746
 747 /* Attempt to merge SEC_MERGE sections.  */
 748
 749 extern bfd_boolean _bfd_merge_sections
 750   (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *))
 751   ATTRIBUTE_HIDDEN;
 752
 753 /* Write out a merged section.  */
 754
 755 extern bfd_boolean _bfd_write_merged_section
 756   (bfd *, asection *, void *) ATTRIBUTE_HIDDEN;
 757
 758 /* Find an offset within a modified SEC_MERGE section.  */
 759
 760 extern bfd_vma _bfd_merged_section_offset
 761   (bfd *, asection **, void *, bfd_vma) ATTRIBUTE_HIDDEN;
 762
 763 /* Tidy up when done.  */
 764
 765 extern void _bfd_merge_sections_free (void *) ATTRIBUTE_HIDDEN;
 766
 767 /* Create a string table.  */
 768 extern struct bfd_strtab_hash *_bfd_stringtab_init
 769   (void) ATTRIBUTE_HIDDEN;
 770
 771 /* Create an XCOFF .debug section style string table.  */
 772 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init
 773   (void) ATTRIBUTE_HIDDEN;
 774
 775 /* Free a string table.  */
 776 extern void _bfd_stringtab_free
 777   (struct bfd_strtab_hash *) ATTRIBUTE_HIDDEN;
 778
 779 /* Get the size of a string table.  */
 780 extern bfd_size_type _bfd_stringtab_size
 781   (struct bfd_strtab_hash *) ATTRIBUTE_HIDDEN;
 782
 783 /* Add a string to a string table.  */
 784 extern bfd_size_type _bfd_stringtab_add
 785   (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy)
 786   ATTRIBUTE_HIDDEN;
 787
 788 /* Write out a string table.  */
 789 extern bfd_boolean _bfd_stringtab_emit
 790   (bfd *, struct bfd_strtab_hash *) ATTRIBUTE_HIDDEN;
 791 \f
 792 /* Macros to tell if bfds are read or write enabled.
 793
 794    Note that bfds open for read may be scribbled into if the fd passed
 795    to bfd_fdopenr is actually open both for read and write
 796    simultaneously.  However an output bfd will never be open for
 797    read.  Therefore sometimes you want to check bfd_read_p or
 798    !bfd_read_p, and only sometimes bfd_write_p.
 799 */
 800
 801 #define bfd_read_p(abfd) \
 802   ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
 803 #define bfd_write_p(abfd) \
 804   ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
 805
 806 extern void bfd_assert
 807   (const char*,int) ATTRIBUTE_HIDDEN;
 808
 809 #define BFD_ASSERT(x) \
 810   do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
 811
 812 #define BFD_FAIL() \
 813   do { bfd_assert(__FILE__,__LINE__); } while (0)
 814
 815 extern void _bfd_abort
 816   (const char *, int, const char *) ATTRIBUTE_NORETURN ATTRIBUTE_HIDDEN;
 817
 818 /* if gcc >= 2.6, we can give a function name, too */
 819 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
 820 #define __PRETTY_FUNCTION__  ((char *) NULL)
 821 #endif
 822
 823 #undef abort
 824 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
 825
 826 /* Manipulate a system FILE but using BFD's "file_ptr", rather than
 827    the system "off_t" or "off64_t", as the offset.  */
 828 extern file_ptr _bfd_real_ftell
 829   (FILE *) ATTRIBUTE_HIDDEN;
 830 extern int _bfd_real_fseek
 831   (FILE *, file_ptr, int) ATTRIBUTE_HIDDEN;
 832 extern FILE *_bfd_real_fopen
 833   (const char *, const char *) ATTRIBUTE_HIDDEN;
 834
 835 /* List of supported target vectors, and the default vector (if
 836    bfd_default_vector[0] is NULL, there is no default).  */
 837 extern const bfd_target * const *bfd_target_vector ATTRIBUTE_HIDDEN;
 838 extern const bfd_target *bfd_default_vector[] ATTRIBUTE_HIDDEN;
 839
 840 /* List of associated target vectors.  */
 841 extern const bfd_target * const *bfd_associated_vector ATTRIBUTE_HIDDEN;
 842
 843 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
 844    other common header files.  */
 845
 846 #if defined(__STDC__) || defined(ALMOST_STDC)
 847 struct ecoff_find_line;
 848 #endif
 849
 850 extern bfd_boolean _bfd_ecoff_locate_line
 851   (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
 852    const struct ecoff_debug_swap * const, struct ecoff_find_line *,
 853    const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN;
 854 extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
 855   (void *, bfd_byte *) ATTRIBUTE_HIDDEN;
 856 extern bfd_boolean _bfd_ecoff_get_accumulated_sym
 857   (void *, bfd_byte *) ATTRIBUTE_HIDDEN;
 858 extern bfd_boolean _bfd_ecoff_get_accumulated_ss
 859   (void *, bfd_byte *) ATTRIBUTE_HIDDEN;
 860
 861 extern bfd_vma _bfd_get_gp_value
 862   (bfd *) ATTRIBUTE_HIDDEN;
 863 extern void _bfd_set_gp_value
 864   (bfd *, bfd_vma) ATTRIBUTE_HIDDEN;
 865
 866 /* Function shared by the COFF and ELF SH backends, which have no
 867    other common header files.  */
 868
 869 #ifndef _bfd_sh_align_load_span
 870 extern bfd_boolean _bfd_sh_align_load_span
 871   (bfd *, asection *, bfd_byte *,
 872    bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
 873    void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *) ATTRIBUTE_HIDDEN;
 874 #endif
 875
 876 /* This is the shape of the elements inside the already_linked hash
 877    table. It maps a name onto a list of already_linked elements with
 878    the same name.  */
 879
 880 struct bfd_section_already_linked_hash_entry
 881 {
 882   struct bfd_hash_entry root;
 883   struct bfd_section_already_linked *entry;
 884 };
 885
 886 struct bfd_section_already_linked
 887 {
 888   struct bfd_section_already_linked *next;
 889   asection *sec;
 890 };
 891
 892 extern struct bfd_section_already_linked_hash_entry *
 893   bfd_section_already_linked_table_lookup (const char *) ATTRIBUTE_HIDDEN;
 894 extern bfd_boolean bfd_section_already_linked_table_insert
 895   (struct bfd_section_already_linked_hash_entry *, asection *)
 896   ATTRIBUTE_HIDDEN;
 897 extern void bfd_section_already_linked_table_traverse
 898   (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *,
 899                     void *), void *) ATTRIBUTE_HIDDEN;
 900
 901 extern bfd_vma _bfd_read_unsigned_leb128
 902   (bfd *, bfd_byte *, unsigned int *) ATTRIBUTE_HIDDEN;
 903 extern bfd_signed_vma _bfd_read_signed_leb128
 904   (bfd *, bfd_byte *, unsigned int *) ATTRIBUTE_HIDDEN;
 905 extern bfd_vma _bfd_safe_read_leb128
 906   (bfd *, bfd_byte *, unsigned int *, bfd_boolean, const bfd_byte * const)
 907   ATTRIBUTE_HIDDEN;