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) 1990-2023 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 /* Set a tdata field.  Can't use the other macros for this, since they
  43    do casts, and casting to the left of assignment isn't portable.  */
  44 #define set_tdata(bfd, v) ((bfd)->tdata.any = (v))
  45
  46 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
  47    to an instance of this structure.  */
  48
  49 struct bfd_in_memory
  50 {
  51   /* Size of buffer.  */
  52   bfd_size_type size;
  53   /* Buffer holding contents of BFD.  */
  54   bfd_byte *buffer;
  55 };
  56
  57 struct section_hash_entry
  58 {
  59   struct bfd_hash_entry root;
  60   asection section;
  61 };
  62
  63 /* Unique section id.  */
  64 extern unsigned int _bfd_section_id ATTRIBUTE_HIDDEN;
  65
  66 /* tdata for an archive.  For an input archive, cache
  67    needs to be free()'d.  For an output archive, symdefs do.  */
  68
  69 struct artdata
  70 {
  71   ufile_ptr first_file_filepos;
  72   /* Speed up searching the armap */
  73   htab_t cache;
  74   carsym *symdefs;              /* The symdef entries.  */
  75   symindex symdef_count;        /* How many there are.  */
  76   char *extended_names;         /* Clever intel extension.  */
  77   bfd_size_type extended_names_size; /* Size of extended names.  */
  78   /* When more compilers are standard C, this can be a time_t.  */
  79   long  armap_timestamp;        /* Timestamp value written into armap.
  80                                    This is used for BSD archives to check
  81                                    that the timestamp is recent enough
  82                                    for the BSD linker to not complain,
  83                                    just before we finish writing an
  84                                    archive.  */
  85   file_ptr armap_datepos;       /* Position within archive to seek to
  86                                    rewrite the date field.  */
  87   void *tdata;                  /* Backend specific information.  */
  88 };
  89
  90 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
  91
  92 /* Goes in bfd's arelt_data slot */
  93 struct areltdata
  94 {
  95   char * arch_header;           /* It's actually a string.  */
  96   bfd_size_type parsed_size;    /* Octets of filesize not including ar_hdr.  */
  97   bfd_size_type extra_size;     /* BSD4.4: extra bytes after the header.  */
  98   char *filename;               /* Null-terminated.  */
  99   file_ptr origin;              /* For element of a thin archive.  */
 100   void *parent_cache;           /* Where and how to find this member.  */
 101   file_ptr key;
 102 };
 103
 104 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
 105
 106 extern void *bfd_malloc
 107   (bfd_size_type) ATTRIBUTE_HIDDEN;
 108
 109 static inline char *
 110 bfd_strdup (const char *str)
 111 {
 112   size_t len = strlen (str) + 1;
 113   char *buf = bfd_malloc (len);
 114   if (buf != NULL)
 115     memcpy (buf, str, len);
 116   return buf;
 117 }
 118
 119 extern bfd * _bfd_create_empty_archive_element_shell
 120   (bfd *) ATTRIBUTE_HIDDEN;
 121 extern bfd * _bfd_look_for_bfd_in_cache
 122   (bfd *, file_ptr) ATTRIBUTE_HIDDEN;
 123 extern bool _bfd_add_bfd_to_archive_cache
 124   (bfd *, file_ptr, bfd *) ATTRIBUTE_HIDDEN;
 125 extern bool _bfd_generic_mkarchive
 126   (bfd *) ATTRIBUTE_HIDDEN;
 127 extern char *_bfd_append_relative_path
 128   (bfd *, char *) ATTRIBUTE_HIDDEN;
 129 extern bfd_cleanup bfd_generic_archive_p
 130   (bfd *) ATTRIBUTE_HIDDEN;
 131 extern bool bfd_slurp_armap
 132   (bfd *) ATTRIBUTE_HIDDEN;
 133 #define bfd_slurp_bsd_armap bfd_slurp_armap
 134 #define bfd_slurp_coff_armap bfd_slurp_armap
 135 extern bool _bfd_archive_64_bit_slurp_armap
 136   (bfd *) ATTRIBUTE_HIDDEN;
 137 extern bool _bfd_archive_64_bit_write_armap
 138   (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN;
 139 #define _bfd_archive_64_bit_slurp_extended_name_table \
 140   _bfd_slurp_extended_name_table
 141 #define _bfd_archive_64_bit_construct_extended_name_table \
 142   _bfd_archive_coff_construct_extended_name_table
 143 #define _bfd_archive_64_bit_truncate_arname \
 144   bfd_dont_truncate_arname
 145 #define _bfd_archive_64_bit_read_ar_hdr \
 146   _bfd_generic_read_ar_hdr
 147 #define _bfd_archive_64_bit_write_ar_hdr \
 148   _bfd_generic_write_ar_hdr
 149 #define _bfd_archive_64_bit_openr_next_archived_file \
 150   bfd_generic_openr_next_archived_file
 151 #define _bfd_archive_64_bit_get_elt_at_index \
 152   _bfd_generic_get_elt_at_index
 153 #define _bfd_archive_64_bit_generic_stat_arch_elt \
 154   bfd_generic_stat_arch_elt
 155 #define _bfd_archive_64_bit_update_armap_timestamp _bfd_bool_bfd_true
 156
 157 extern bool _bfd_slurp_extended_name_table
 158   (bfd *) ATTRIBUTE_HIDDEN;
 159 extern bool _bfd_construct_extended_name_table
 160   (bfd *, bool, char **, bfd_size_type *) ATTRIBUTE_HIDDEN;
 161 extern bool _bfd_write_archive_contents
 162   (bfd *) ATTRIBUTE_HIDDEN;
 163 extern bool _bfd_compute_and_write_armap
 164   (bfd *, unsigned int) ATTRIBUTE_HIDDEN;
 165 extern bfd *_bfd_get_elt_at_filepos
 166   (bfd *, file_ptr, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 167 extern bfd *_bfd_generic_get_elt_at_index
 168   (bfd *, symindex) ATTRIBUTE_HIDDEN;
 169
 170 extern bool _bfd_bool_bfd_false
 171   (bfd *) ATTRIBUTE_HIDDEN;
 172 extern bool _bfd_bool_bfd_asymbol_false
 173   (bfd *, asymbol *) ATTRIBUTE_HIDDEN;
 174 extern bool _bfd_bool_bfd_false_error
 175   (bfd *) ATTRIBUTE_HIDDEN;
 176 extern bool _bfd_bool_bfd_link_false_error
 177   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 178 extern bool _bfd_bool_bfd_true
 179   (bfd *) ATTRIBUTE_HIDDEN;
 180 extern bool _bfd_bool_bfd_link_true
 181   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 182 extern bool _bfd_bool_bfd_bfd_true
 183   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 184 extern bool _bfd_bool_bfd_uint_true
 185   (bfd *, unsigned int) ATTRIBUTE_HIDDEN;
 186 extern bool _bfd_bool_bfd_asection_bfd_asection_true
 187   (bfd *, asection *, bfd *, asection *) ATTRIBUTE_HIDDEN;
 188 extern bool _bfd_bool_bfd_asymbol_bfd_asymbol_true
 189   (bfd *, asymbol *, bfd *, asymbol *) ATTRIBUTE_HIDDEN;
 190 extern bool _bfd_bool_bfd_ptr_true
 191   (bfd *, void *) ATTRIBUTE_HIDDEN;
 192 extern void *_bfd_ptr_bfd_null_error
 193   (bfd *) ATTRIBUTE_HIDDEN;
 194 extern int _bfd_int_bfd_0
 195   (bfd *) ATTRIBUTE_HIDDEN;
 196 extern unsigned int _bfd_uint_bfd_0
 197   (bfd *) ATTRIBUTE_HIDDEN;
 198 extern long _bfd_long_bfd_0
 199   (bfd *) ATTRIBUTE_HIDDEN;
 200 extern long _bfd_long_bfd_n1_error
 201   (bfd *) ATTRIBUTE_HIDDEN;
 202 extern void _bfd_void_bfd
 203   (bfd *) ATTRIBUTE_HIDDEN;
 204 extern void _bfd_void_bfd_link
 205   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 206 extern void _bfd_void_bfd_asection
 207   (bfd *, asection *) ATTRIBUTE_HIDDEN;
 208
 209 extern bfd_cleanup _bfd_dummy_target
 210   (bfd *) ATTRIBUTE_HIDDEN;
 211 #define _bfd_no_cleanup _bfd_void_bfd
 212
 213 extern void bfd_dont_truncate_arname
 214   (bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
 215 extern void bfd_bsd_truncate_arname
 216   (bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
 217 extern void bfd_gnu_truncate_arname
 218   (bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
 219
 220 extern bool _bfd_bsd_write_armap
 221   (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN;
 222
 223 extern bool _bfd_coff_write_armap
 224   (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN;
 225
 226 extern void *_bfd_generic_read_ar_hdr
 227   (bfd *) ATTRIBUTE_HIDDEN;
 228 extern void _bfd_ar_spacepad
 229   (char *, size_t, const char *, long) ATTRIBUTE_HIDDEN;
 230 extern bool _bfd_ar_sizepad
 231   (char *, size_t, bfd_size_type) ATTRIBUTE_HIDDEN;
 232
 233 extern void *_bfd_generic_read_ar_hdr_mag
 234   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 235
 236 extern bool _bfd_generic_write_ar_hdr
 237   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 238
 239 extern bool _bfd_bsd44_write_ar_hdr
 240   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 241
 242 extern bfd * bfd_generic_openr_next_archived_file
 243   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 244
 245 extern int bfd_generic_stat_arch_elt
 246   (bfd *, struct stat *) ATTRIBUTE_HIDDEN;
 247
 248 #define _bfd_read_ar_hdr(abfd) \
 249         BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
 250 #define _bfd_write_ar_hdr(archive, abfd)         \
 251         BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd))
 252 \f
 253 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC.  Use
 254    BFD_JUMP_TABLE_GENERIC (_bfd_generic).  */
 255
 256 #define _bfd_generic_close_and_cleanup _bfd_archive_close_and_cleanup
 257 extern bool _bfd_archive_close_and_cleanup
 258   (bfd *) ATTRIBUTE_HIDDEN;
 259 extern void _bfd_unlink_from_archive_parent (bfd *) ATTRIBUTE_HIDDEN;
 260 #define _bfd_generic_bfd_free_cached_info _bfd_free_cached_info
 261 extern bool _bfd_generic_new_section_hook
 262   (bfd *, asection *) ATTRIBUTE_HIDDEN;
 263 extern bool _bfd_generic_get_section_contents
 264   (bfd *, asection *, void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
 265 extern bool _bfd_generic_get_section_contents_in_window
 266   (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
 267
 268 /* Generic routines to use for BFD_JUMP_TABLE_COPY.  Use
 269    BFD_JUMP_TABLE_COPY (_bfd_generic).  */
 270
 271 #define _bfd_generic_bfd_copy_private_bfd_data _bfd_bool_bfd_bfd_true
 272 #define _bfd_generic_bfd_merge_private_bfd_data \
 273   _bfd_bool_bfd_link_true
 274 #define _bfd_generic_bfd_set_private_flags _bfd_bool_bfd_uint_true
 275 #define _bfd_generic_bfd_copy_private_section_data \
 276   _bfd_bool_bfd_asection_bfd_asection_true
 277 #define _bfd_generic_bfd_copy_private_symbol_data \
 278   _bfd_bool_bfd_asymbol_bfd_asymbol_true
 279 #define _bfd_generic_bfd_copy_private_header_data _bfd_bool_bfd_bfd_true
 280 #define _bfd_generic_bfd_print_private_bfd_data _bfd_bool_bfd_ptr_true
 281
 282 extern bool _bfd_generic_init_private_section_data
 283   (bfd *, asection *, bfd *, asection *, struct bfd_link_info *)
 284   ATTRIBUTE_HIDDEN;
 285
 286 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
 287    support.  Use BFD_JUMP_TABLE_CORE (_bfd_nocore).  */
 288
 289 extern char *_bfd_nocore_core_file_failing_command
 290   (bfd *) ATTRIBUTE_HIDDEN;
 291 extern int _bfd_nocore_core_file_failing_signal
 292   (bfd *) ATTRIBUTE_HIDDEN;
 293 extern bool _bfd_nocore_core_file_matches_executable_p
 294   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 295 extern int _bfd_nocore_core_file_pid
 296   (bfd *) ATTRIBUTE_HIDDEN;
 297
 298 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
 299    file support.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive).  */
 300
 301 #define _bfd_noarchive_slurp_armap _bfd_bool_bfd_false_error
 302 #define _bfd_noarchive_slurp_extended_name_table _bfd_bool_bfd_false_error
 303 extern bool _bfd_noarchive_construct_extended_name_table
 304   (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
 305 extern void _bfd_noarchive_truncate_arname
 306   (bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
 307 extern bool _bfd_noarchive_write_armap
 308   (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN;
 309 #define _bfd_noarchive_read_ar_hdr _bfd_ptr_bfd_null_error
 310 extern bool _bfd_noarchive_write_ar_hdr
 311   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 312 extern bfd *
 313 _bfd_noarchive_openr_next_archived_file
 314   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 315 extern bfd * _bfd_noarchive_get_elt_at_index
 316   (bfd *, symindex) ATTRIBUTE_HIDDEN;
 317 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
 318 #define _bfd_noarchive_update_armap_timestamp _bfd_bool_bfd_false_error
 319
 320 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
 321    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd).  */
 322
 323 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
 324 #define _bfd_archive_bsd_slurp_extended_name_table \
 325   _bfd_slurp_extended_name_table
 326 extern bool _bfd_archive_bsd_construct_extended_name_table
 327   (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
 328 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
 329 #define _bfd_archive_bsd_write_armap _bfd_bsd_write_armap
 330 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
 331 #define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr
 332 #define _bfd_archive_bsd_openr_next_archived_file \
 333   bfd_generic_openr_next_archived_file
 334 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
 335 #define _bfd_archive_bsd_generic_stat_arch_elt \
 336   bfd_generic_stat_arch_elt
 337 extern bool _bfd_archive_bsd_update_armap_timestamp
 338   (bfd *) ATTRIBUTE_HIDDEN;
 339
 340 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
 341    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff).  */
 342
 343 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
 344 #define _bfd_archive_coff_slurp_extended_name_table \
 345   _bfd_slurp_extended_name_table
 346 extern bool _bfd_archive_coff_construct_extended_name_table
 347   (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
 348 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
 349 #define _bfd_archive_coff_write_armap _bfd_coff_write_armap
 350 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
 351 #define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr
 352 #define _bfd_archive_coff_openr_next_archived_file \
 353   bfd_generic_openr_next_archived_file
 354 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
 355 #define _bfd_archive_coff_generic_stat_arch_elt \
 356   bfd_generic_stat_arch_elt
 357 #define _bfd_archive_coff_update_armap_timestamp _bfd_bool_bfd_true
 358
 359 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style
 360    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44).  */
 361
 362 #define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap
 363 #define _bfd_archive_bsd44_slurp_extended_name_table \
 364   _bfd_slurp_extended_name_table
 365 extern bool _bfd_archive_bsd44_construct_extended_name_table
 366   (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN;
 367 #define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname
 368 #define _bfd_archive_bsd44_write_armap _bfd_bsd_write_armap
 369 #define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr
 370 #define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr
 371 #define _bfd_archive_bsd44_openr_next_archived_file \
 372   bfd_generic_openr_next_archived_file
 373 #define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index
 374 #define _bfd_archive_bsd44_generic_stat_arch_elt \
 375   bfd_generic_stat_arch_elt
 376 #define _bfd_archive_bsd44_update_armap_timestamp \
 377   _bfd_archive_bsd_update_armap_timestamp
 378
 379 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style
 380    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib).  Some of them
 381    are irrelevant.  */
 382
 383 extern bool _bfd_vms_lib_write_archive_contents
 384   (bfd *) ATTRIBUTE_HIDDEN;
 385 #define _bfd_vms_lib_slurp_armap _bfd_noarchive_slurp_armap
 386 #define _bfd_vms_lib_slurp_extended_name_table \
 387   _bfd_noarchive_slurp_extended_name_table
 388 #define _bfd_vms_lib_construct_extended_name_table \
 389   _bfd_noarchive_construct_extended_name_table
 390 #define _bfd_vms_lib_truncate_arname _bfd_noarchive_truncate_arname
 391 #define _bfd_vms_lib_write_armap _bfd_noarchive_write_armap
 392 #define _bfd_vms_lib_read_ar_hdr _bfd_noarchive_read_ar_hdr
 393 #define _bfd_vms_lib_write_ar_hdr _bfd_noarchive_write_ar_hdr
 394 extern bfd *_bfd_vms_lib_openr_next_archived_file
 395   (bfd *, bfd *) ATTRIBUTE_HIDDEN;
 396 extern bfd *_bfd_vms_lib_get_elt_at_index
 397   (bfd *, symindex) ATTRIBUTE_HIDDEN;
 398 extern int _bfd_vms_lib_generic_stat_arch_elt
 399   (bfd *, struct stat *) ATTRIBUTE_HIDDEN;
 400 #define _bfd_vms_lib_update_armap_timestamp _bfd_bool_bfd_true
 401
 402 /* Extra routines for VMS style archives.  */
 403
 404 extern symindex _bfd_vms_lib_find_symbol
 405   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 406 extern bfd *_bfd_vms_lib_get_imagelib_file
 407   (bfd *) ATTRIBUTE_HIDDEN;
 408 extern bfd_cleanup _bfd_vms_lib_alpha_archive_p
 409   (bfd *) ATTRIBUTE_HIDDEN;
 410 extern bfd_cleanup _bfd_vms_lib_ia64_archive_p
 411   (bfd *) ATTRIBUTE_HIDDEN;
 412 extern bool _bfd_vms_lib_alpha_mkarchive
 413   (bfd *) ATTRIBUTE_HIDDEN;
 414 extern bool _bfd_vms_lib_ia64_mkarchive
 415   (bfd *) ATTRIBUTE_HIDDEN;
 416
 417 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
 418    support.  Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols).  */
 419
 420 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_long_bfd_n1_error
 421 extern long _bfd_nosymbols_canonicalize_symtab
 422   (bfd *, asymbol **) ATTRIBUTE_HIDDEN;
 423 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
 424 extern void _bfd_nosymbols_print_symbol
 425   (bfd *, void *, asymbol *, bfd_print_symbol_type) ATTRIBUTE_HIDDEN;
 426 extern void _bfd_nosymbols_get_symbol_info
 427   (bfd *, asymbol *, symbol_info *) ATTRIBUTE_HIDDEN;
 428 extern const char * _bfd_nosymbols_get_symbol_version_string
 429   (bfd *, asymbol *, bool, bool *) ATTRIBUTE_HIDDEN;
 430 extern bool _bfd_nosymbols_bfd_is_local_label_name
 431   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 432 #define _bfd_nosymbols_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false
 433 extern alent *_bfd_nosymbols_get_lineno
 434   (bfd *, asymbol *) ATTRIBUTE_HIDDEN;
 435 extern bool _bfd_nosymbols_find_nearest_line
 436   (bfd *, asymbol **, asection *, bfd_vma,
 437    const char **, const char **, unsigned int *, unsigned int *)
 438   ATTRIBUTE_HIDDEN;
 439 extern bool _bfd_nosymbols_find_nearest_line_with_alt
 440   (bfd *, const char *, asymbol **, asection *, bfd_vma,
 441    const char **, const char **, unsigned int *, unsigned int *)
 442   ATTRIBUTE_HIDDEN;
 443 extern bool _bfd_nosymbols_find_line
 444   (bfd *, asymbol **, asymbol *, const char **, unsigned int *)
 445   ATTRIBUTE_HIDDEN;
 446 extern bool _bfd_nosymbols_find_inliner_info
 447   (bfd *, const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN;
 448 extern asymbol *_bfd_nosymbols_bfd_make_debug_symbol
 449   (bfd *) ATTRIBUTE_HIDDEN;
 450 extern long _bfd_nosymbols_read_minisymbols
 451   (bfd *, bool, void **, unsigned int *) ATTRIBUTE_HIDDEN;
 452 extern asymbol *_bfd_nosymbols_minisymbol_to_symbol
 453   (bfd *, bool, const void *, asymbol *) ATTRIBUTE_HIDDEN;
 454
 455 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
 456    support.  Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs).  */
 457
 458 extern long _bfd_norelocs_get_reloc_upper_bound
 459   (bfd *, asection *) ATTRIBUTE_HIDDEN;
 460 extern long _bfd_norelocs_canonicalize_reloc
 461   (bfd *, asection *, arelent **, asymbol **) ATTRIBUTE_HIDDEN;
 462 extern void _bfd_norelocs_set_reloc
 463   (bfd *, asection *, arelent **, unsigned int) ATTRIBUTE_HIDDEN;
 464 extern reloc_howto_type *_bfd_norelocs_bfd_reloc_type_lookup
 465   (bfd *, bfd_reloc_code_real_type) ATTRIBUTE_HIDDEN;
 466 extern reloc_howto_type *_bfd_norelocs_bfd_reloc_name_lookup
 467   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 468
 469 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
 470    be written.  Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite).  */
 471
 472 extern bool _bfd_nowrite_set_arch_mach
 473   (bfd *, enum bfd_architecture, unsigned long) ATTRIBUTE_HIDDEN;
 474 extern bool _bfd_nowrite_set_section_contents
 475   (bfd *, asection *, const void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
 476
 477 /* Generic routines to use for BFD_JUMP_TABLE_WRITE.  Use
 478    BFD_JUMP_TABLE_WRITE (_bfd_generic).  */
 479
 480 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
 481 extern bool _bfd_generic_set_section_contents
 482   (bfd *, asection *, const void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN;
 483
 484 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
 485    support linking.  Use BFD_JUMP_TABLE_LINK (_bfd_nolink).  */
 486
 487 extern int _bfd_nolink_sizeof_headers
 488   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 489 extern bfd_byte *_bfd_nolink_bfd_get_relocated_section_contents
 490   (bfd *, struct bfd_link_info *, struct bfd_link_order *,
 491    bfd_byte *, bool, asymbol **) ATTRIBUTE_HIDDEN;
 492 extern bool _bfd_nolink_bfd_relax_section
 493   (bfd *, asection *, struct bfd_link_info *, bool *) ATTRIBUTE_HIDDEN;
 494 #define _bfd_nolink_bfd_gc_sections _bfd_bool_bfd_link_false_error
 495 extern bool _bfd_nolink_bfd_lookup_section_flags
 496   (struct bfd_link_info *, struct flag_info *, asection *) ATTRIBUTE_HIDDEN;
 497 #define _bfd_nolink_bfd_merge_sections _bfd_bool_bfd_link_false_error
 498 extern bool _bfd_nolink_bfd_is_group_section
 499   (bfd *, const asection *) ATTRIBUTE_HIDDEN;
 500 extern const char *_bfd_nolink_bfd_group_name
 501   (bfd *, const asection *) ATTRIBUTE_HIDDEN;
 502 extern bool _bfd_nolink_bfd_discard_group
 503   (bfd *, asection *) ATTRIBUTE_HIDDEN;
 504 extern struct bfd_link_hash_table *_bfd_nolink_bfd_link_hash_table_create
 505   (bfd *) ATTRIBUTE_HIDDEN;
 506 #define _bfd_nolink_bfd_link_add_symbols _bfd_bool_bfd_link_false_error
 507 extern void _bfd_nolink_bfd_link_just_syms
 508   (asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 509 extern void _bfd_nolink_bfd_copy_link_hash_symbol_type
 510   (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *)
 511   ATTRIBUTE_HIDDEN;
 512 #define _bfd_nolink_bfd_final_link _bfd_bool_bfd_link_false_error
 513 extern bool _bfd_nolink_bfd_link_split_section
 514   (bfd *, struct bfd_section *) ATTRIBUTE_HIDDEN;
 515 extern bool _bfd_nolink_section_already_linked
 516   (bfd *, asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 517 extern bool _bfd_nolink_bfd_define_common_symbol
 518   (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *)
 519   ATTRIBUTE_HIDDEN;
 520 #define _bfd_nolink_bfd_link_hide_symbol \
 521   _bfd_generic_link_hide_symbol
 522 extern struct bfd_link_hash_entry *_bfd_nolink_bfd_define_start_stop
 523   (struct bfd_link_info *, const char *, asection *) ATTRIBUTE_HIDDEN;
 524 #define _bfd_nolink_bfd_link_check_relocs \
 525   _bfd_generic_link_check_relocs
 526
 527 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
 528    have dynamic symbols or relocs.  Use BFD_JUMP_TABLE_DYNAMIC
 529    (_bfd_nodynamic).  */
 530
 531 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_long_bfd_n1_error
 532 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
 533   _bfd_nosymbols_canonicalize_symtab
 534 extern long _bfd_nodynamic_get_synthetic_symtab
 535   (bfd *, long, asymbol **, long, asymbol **, asymbol **) ATTRIBUTE_HIDDEN;
 536 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_long_bfd_n1_error
 537 extern long _bfd_nodynamic_canonicalize_dynamic_reloc
 538   (bfd *, arelent **, asymbol **) ATTRIBUTE_HIDDEN;
 539 \f
 540 /* Generic routine to determine of the given symbol is a local
 541    label.  */
 542 extern bool bfd_generic_is_local_label_name
 543   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 544
 545 /* Generic minisymbol routines.  */
 546 extern long _bfd_generic_read_minisymbols
 547   (bfd *, bool, void **, unsigned int *) ATTRIBUTE_HIDDEN;
 548 extern asymbol *_bfd_generic_minisymbol_to_symbol
 549   (bfd *, bool, const void *, asymbol *) ATTRIBUTE_HIDDEN;
 550
 551 /* Find the nearest line using .stab/.stabstr sections.  */
 552 extern bool _bfd_stab_section_find_nearest_line
 553   (bfd *, asymbol **, asection *, bfd_vma, bool *,
 554    const char **, const char **, unsigned int *, void **) ATTRIBUTE_HIDDEN;
 555
 556 /* Find the nearest line using DWARF 1 debugging information.  */
 557 extern bool _bfd_dwarf1_find_nearest_line
 558   (bfd *, asymbol **, asection *, bfd_vma,
 559    const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN;
 560
 561 /* Clean up the data used to handle DWARF 1 debugging information. */
 562 extern void _bfd_dwarf1_cleanup_debug_info
 563   (bfd *, void **) ATTRIBUTE_HIDDEN;
 564
 565 struct dwarf_debug_section
 566 {
 567   const char * uncompressed_name;
 568   const char * compressed_name;
 569 };
 570
 571 /* Map of uncompressed DWARF debug section name to compressed one.  It
 572    is terminated by NULL uncompressed_name.  */
 573
 574 extern const struct dwarf_debug_section dwarf_debug_sections[] ATTRIBUTE_HIDDEN;
 575
 576 /* Find the nearest line using DWARF 2 debugging information.  */
 577 extern int _bfd_dwarf2_find_nearest_line
 578   (bfd *, asymbol **, asymbol *, asection *, bfd_vma,
 579    const char **, const char **, unsigned int *, unsigned int *,
 580    const struct dwarf_debug_section *, void **) ATTRIBUTE_HIDDEN;
 581
 582 /* Find the nearest line using DWARF 2 debugging information, with
 583    the option of specifying a .gnu_debugaltlink file.  */
 584 extern int _bfd_dwarf2_find_nearest_line_with_alt
 585   (bfd *, const char *, asymbol **, asymbol *, asection *, bfd_vma,
 586    const char **, const char **, unsigned int *, unsigned int *,
 587    const struct dwarf_debug_section *, void **) ATTRIBUTE_HIDDEN;
 588
 589 /* Find the bias between DWARF addresses and real addresses.  */
 590 extern bfd_signed_vma _bfd_dwarf2_find_symbol_bias
 591   (asymbol **, void **) ATTRIBUTE_HIDDEN;
 592
 593 /* Find inliner info after calling bfd_find_nearest_line. */
 594 extern bool _bfd_dwarf2_find_inliner_info
 595   (bfd *, const char **, const char **, unsigned int *, void **)
 596   ATTRIBUTE_HIDDEN;
 597
 598 /* Read DWARF 2 debugging information. */
 599 extern bool _bfd_dwarf2_slurp_debug_info
 600   (bfd *, bfd *, const struct dwarf_debug_section *, asymbol **, void **,
 601    bool) ATTRIBUTE_HIDDEN;
 602
 603 /* Clean up the data used to handle DWARF 2 debugging information. */
 604 extern void _bfd_dwarf2_cleanup_debug_info
 605   (bfd *, void **) ATTRIBUTE_HIDDEN;
 606
 607 extern void _bfd_stab_cleanup
 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 bool _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 bool _bfd_generic_link_add_symbols
 638   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 639
 640 /* Generic archive add symbol routine.  */
 641 extern bool _bfd_generic_link_add_archive_symbols
 642   (bfd *, struct bfd_link_info *,
 643    bool (*) (bfd *, struct bfd_link_info *,
 644                     struct bfd_link_hash_entry *, const char *,
 645                     bool *)) 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 bool _bfd_generic_link_add_one_symbol
 652   (struct bfd_link_info *, bfd *, const char *name, flagword,
 653    asection *, bfd_vma, const char *, bool copy,
 654    bool 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 bool _bfd_generic_final_link
 667   (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 668
 669 extern bool _bfd_generic_link_split_section
 670   (bfd *, struct bfd_section *) ATTRIBUTE_HIDDEN;
 671
 672 extern bool _bfd_generic_section_already_linked
 673   (bfd *, asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN;
 674
 675 /* Generic reloc_link_order processing routine.  */
 676 extern bool _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 bool _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 bfd_reloc_status_type _bfd_clear_contents
 700   (reloc_howto_type *, bfd *, asection *, bfd_byte *, bfd_vma) ATTRIBUTE_HIDDEN;
 701
 702 /* Register a SEC_MERGE section as a candidate for merging.  */
 703
 704 extern bool _bfd_add_merge_section
 705   (bfd *, void **, asection *, void **) ATTRIBUTE_HIDDEN;
 706
 707 /* Attempt to merge SEC_MERGE sections.  */
 708
 709 extern bool _bfd_merge_sections
 710   (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *))
 711   ATTRIBUTE_HIDDEN;
 712
 713 /* Write out a merged section.  */
 714
 715 extern bool _bfd_write_merged_section
 716   (bfd *, asection *, void *) ATTRIBUTE_HIDDEN;
 717
 718 /* Find an offset within a modified SEC_MERGE section.  */
 719
 720 extern bfd_vma _bfd_merged_section_offset
 721   (bfd *, asection **, void *, bfd_vma) ATTRIBUTE_HIDDEN;
 722
 723 /* Tidy up when done.  */
 724
 725 extern void _bfd_merge_sections_free (void *) ATTRIBUTE_HIDDEN;
 726
 727 /* Macros to tell if bfds are read or write enabled.
 728
 729    Note that bfds open for read may be scribbled into if the fd passed
 730    to bfd_fdopenr is actually open both for read and write
 731    simultaneously.  However an output bfd will never be open for
 732    read.  Therefore sometimes you want to check bfd_read_p or
 733    !bfd_read_p, and only sometimes bfd_write_p.
 734 */
 735
 736 #define bfd_read_p(abfd) \
 737   ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
 738 #define bfd_write_p(abfd) \
 739   ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
 740
 741 extern void bfd_assert
 742   (const char*,int) ATTRIBUTE_HIDDEN;
 743
 744 #define BFD_ASSERT(x) \
 745   do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
 746
 747 #define BFD_FAIL() \
 748   do { bfd_assert(__FILE__,__LINE__); } while (0)
 749
 750 extern void _bfd_abort
 751   (const char *, int, const char *) ATTRIBUTE_NORETURN ATTRIBUTE_HIDDEN;
 752
 753 /* if gcc >= 2.6, we can give a function name, too */
 754 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
 755 #define __PRETTY_FUNCTION__  ((char *) NULL)
 756 #endif
 757
 758 #undef abort
 759 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
 760
 761 /* Manipulate a system FILE but using BFD's "file_ptr", rather than
 762    the system "off_t" or "off64_t", as the offset.  */
 763 extern file_ptr _bfd_real_ftell
 764   (FILE *) ATTRIBUTE_HIDDEN;
 765 extern int _bfd_real_fseek
 766   (FILE *, file_ptr, int) ATTRIBUTE_HIDDEN;
 767 extern FILE *_bfd_real_fopen
 768   (const char *, const char *) ATTRIBUTE_HIDDEN;
 769
 770 /* List of supported target vectors, and the default vector (if
 771    bfd_default_vector[0] is NULL, there is no default).  */
 772 extern const bfd_target *const *const bfd_target_vector ATTRIBUTE_HIDDEN;
 773 extern const bfd_target *bfd_default_vector[] ATTRIBUTE_HIDDEN;
 774
 775 /* List of associated target vectors.  */
 776 extern const bfd_target *const *const bfd_associated_vector ATTRIBUTE_HIDDEN;
 777
 778 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
 779    other common header files.  */
 780
 781 struct ecoff_debug_info;
 782 struct ecoff_debug_swap;
 783 struct ecoff_extr;
 784 struct ecoff_find_line;
 785
 786 extern void _bfd_ecoff_free_ecoff_debug_info
 787   (struct ecoff_debug_info *debug);
 788 extern bool _bfd_ecoff_locate_line
 789   (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
 790    const struct ecoff_debug_swap * const, struct ecoff_find_line *,
 791    const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN;
 792 extern bool _bfd_ecoff_get_accumulated_pdr
 793   (void *, bfd_byte *) ATTRIBUTE_HIDDEN;
 794 extern bool _bfd_ecoff_get_accumulated_sym
 795   (void *, bfd_byte *) ATTRIBUTE_HIDDEN;
 796 extern bool _bfd_ecoff_get_accumulated_ss
 797   (void *, bfd_byte *) ATTRIBUTE_HIDDEN;
 798
 799 extern bfd_vma _bfd_get_gp_value
 800   (bfd *) ATTRIBUTE_HIDDEN;
 801 extern void _bfd_set_gp_value
 802   (bfd *, bfd_vma) ATTRIBUTE_HIDDEN;
 803
 804 /* Function shared by the COFF and ELF SH backends, which have no
 805    other common header files.  */
 806
 807 #ifndef _bfd_sh_align_load_span
 808 extern bool _bfd_sh_align_load_span
 809   (bfd *, asection *, bfd_byte *,
 810    bool (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
 811    void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bool *) ATTRIBUTE_HIDDEN;
 812 #endif
 813
 814 /* This is the shape of the elements inside the already_linked hash
 815    table. It maps a name onto a list of already_linked elements with
 816    the same name.  */
 817
 818 struct bfd_section_already_linked_hash_entry
 819 {
 820   struct bfd_hash_entry root;
 821   struct bfd_section_already_linked *entry;
 822 };
 823
 824 struct bfd_section_already_linked
 825 {
 826   struct bfd_section_already_linked *next;
 827   asection *sec;
 828 };
 829
 830 extern struct bfd_section_already_linked_hash_entry *
 831   bfd_section_already_linked_table_lookup (const char *) ATTRIBUTE_HIDDEN;
 832 extern bool bfd_section_already_linked_table_insert
 833   (struct bfd_section_already_linked_hash_entry *, asection *)
 834   ATTRIBUTE_HIDDEN;
 835 extern void bfd_section_already_linked_table_traverse
 836   (bool (*) (struct bfd_section_already_linked_hash_entry *,
 837                     void *), void *) ATTRIBUTE_HIDDEN;
 838
 839 extern bfd_vma _bfd_read_unsigned_leb128
 840   (bfd *, bfd_byte *, unsigned int *) ATTRIBUTE_HIDDEN;
 841 extern bfd_signed_vma _bfd_read_signed_leb128
 842   (bfd *, bfd_byte *, unsigned int *) ATTRIBUTE_HIDDEN;
 843 extern bfd_vma _bfd_safe_read_leb128
 844   (bfd *, bfd_byte **, bool, const bfd_byte * const) ATTRIBUTE_HIDDEN;
 845 extern bfd_byte * _bfd_write_unsigned_leb128
 846   (bfd_byte *, bfd_byte *, bfd_vma) ATTRIBUTE_HIDDEN;
 847
 848 extern struct bfd_link_info *_bfd_get_link_info (bfd *);
 849
 850 extern bool _bfd_link_keep_memory (struct bfd_link_info *)
 851   ATTRIBUTE_HIDDEN;
 852
 853 #if GCC_VERSION >= 7000
 854 #define _bfd_mul_overflow(a, b, res) __builtin_mul_overflow (a, b, res)
 855 #else
 856 /* Assumes unsigned values.  Careful!  Args evaluated multiple times.  */
 857 #define _bfd_mul_overflow(a, b, res) \
 858   ((*res) = (a), (*res) *= (b), (b) != 0 && (*res) / (b) != (a))
 859 #endif
 860
 861 #ifdef __GNUC__
 862 #define _bfd_constant_p(v) __builtin_constant_p (v)
 863 #else
 864 #define _bfd_constant_p(v) 0
 865 #endif
 866
 867 static inline void *
 868 _bfd_alloc_and_read (bfd *abfd, bfd_size_type asize, bfd_size_type rsize)
 869 {
 870   void *mem;
 871   if (!_bfd_constant_p (rsize))
 872     {
 873       ufile_ptr filesize = bfd_get_file_size (abfd);
 874       if (filesize != 0 && rsize > filesize)
 875         {
 876           bfd_set_error (bfd_error_file_truncated);
 877           return NULL;
 878         }
 879     }
 880   mem = bfd_alloc (abfd, asize);
 881   if (mem != NULL)
 882     {
 883       if (bfd_read (mem, rsize, abfd) == rsize)
 884         return mem;
 885       bfd_release (abfd, mem);
 886     }
 887   return NULL;
 888 }
 889
 890 static inline void *
 891 _bfd_malloc_and_read (bfd *abfd, bfd_size_type asize, bfd_size_type rsize)
 892 {
 893   void *mem;
 894   if (!_bfd_constant_p (rsize))
 895     {
 896       ufile_ptr filesize = bfd_get_file_size (abfd);
 897       if (filesize != 0 && rsize > filesize)
 898         {
 899           bfd_set_error (bfd_error_file_truncated);
 900           return NULL;
 901         }
 902     }
 903   mem = bfd_malloc (asize);
 904   if (mem != NULL)
 905     {
 906       if (bfd_read (mem, rsize, abfd) == rsize)
 907         return mem;
 908       free (mem);
 909     }
 910   return NULL;
 911 }