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    Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999
   4    Free Software Foundation, Inc.
   5    Written by Cygnus Support.
   6
   7 ** NOTE: libbfd.h is a GENERATED file.  Don't change it; instead,
   8 ** change libbfd-in.h or the other BFD source files processed to
   9 ** generate this file.
  10
  11 This file is part of BFD, the Binary File Descriptor library.
  12
  13 This program is free software; you can redistribute it and/or modify
  14 it under the terms of the GNU General Public License as published by
  15 the Free Software Foundation; either version 2 of the License, or
  16 (at your option) any later version.
  17
  18 This program is distributed in the hope that it will be useful,
  19 but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 GNU General Public License for more details.
  22
  23 You should have received a copy of the GNU General Public License
  24 along with this program; if not, write to the Free Software
  25 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  26
  27 /* Align an address upward to a boundary, expressed as a number of bytes.
  28    E.g. align to an 8-byte boundary with argument of 8.  Take care never
  29    to wrap around if the address is within boundary-1 of the end of the
  30    address space.  */
  31 #define BFD_ALIGN(this, boundary)                                       \
  32   ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this))            \
  33    ? (((bfd_vma) (this) + ((boundary) - 1)) & (~((boundary)-1)))        \
  34    : ~ (bfd_vma) 0)
  35
  36 /* If you want to read and write large blocks, you might want to do it
  37    in quanta of this amount */
  38 #define DEFAULT_BUFFERSIZE 8192
  39
  40 /* Set a tdata field.  Can't use the other macros for this, since they
  41    do casts, and casting to the left of assignment isn't portable.  */
  42 #define set_tdata(bfd, v) ((bfd)->tdata.any = (PTR) (v))
  43
  44 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
  45    to an instance of this structure.  */
  46
  47 struct bfd_in_memory
  48 {
  49   /* Size of buffer.  */
  50   bfd_size_type size;
  51   /* Buffer holding contents of BFD.  */
  52   bfd_byte *buffer;
  53 };
  54
  55 /* tdata for an archive.  For an input archive, cache
  56    needs to be free()'d.  For an output archive, symdefs do.  */
  57
  58 struct artdata {
  59   file_ptr first_file_filepos;
  60   /* Speed up searching the armap */
  61   struct ar_cache *cache;
  62   bfd *archive_head;            /* Only interesting in output routines */
  63   carsym *symdefs;              /* the symdef entries */
  64   symindex symdef_count;             /* how many there are */
  65   char *extended_names;         /* clever intel extension */
  66   /* when more compilers are standard C, this can be a time_t */
  67   long  armap_timestamp;        /* Timestamp value written into armap.
  68                                    This is used for BSD archives to check
  69                                    that the timestamp is recent enough
  70                                    for the BSD linker to not complain,
  71                                    just before we finish writing an
  72                                    archive.  */
  73   file_ptr armap_datepos;       /* Position within archive to seek to
  74                                    rewrite the date field.  */
  75   PTR tdata;                    /* Backend specific information.  */
  76 };
  77
  78 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
  79
  80 /* Goes in bfd's arelt_data slot */
  81 struct areltdata {
  82   char * arch_header;                        /* it's actually a string */
  83   unsigned int parsed_size;     /* octets of filesize not including ar_hdr */
  84   char *filename;                            /* null-terminated */
  85 };
  86
  87 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
  88
  89 extern PTR bfd_malloc PARAMS ((size_t));
  90 extern PTR bfd_realloc PARAMS ((PTR, size_t));
  91 extern PTR bfd_zmalloc PARAMS ((size_t));
  92
  93 extern bfd_error_handler_type _bfd_error_handler;
  94
  95 /* These routines allocate and free things on the BFD's objalloc.  */
  96
  97 extern PTR bfd_alloc PARAMS ((bfd *, size_t));
  98 extern PTR bfd_zalloc PARAMS ((bfd *, size_t));
  99 extern void bfd_release PARAMS ((bfd *, PTR));
 100
 101 bfd *   _bfd_create_empty_archive_element_shell PARAMS ((bfd *obfd));
 102 bfd *   _bfd_look_for_bfd_in_cache PARAMS ((bfd *arch_bfd, file_ptr index));
 103 boolean _bfd_add_bfd_to_archive_cache PARAMS ((bfd *, file_ptr, bfd *));
 104 boolean _bfd_generic_mkarchive PARAMS ((bfd *abfd));
 105 const bfd_target *bfd_generic_archive_p PARAMS ((bfd *abfd));
 106 boolean bfd_slurp_armap PARAMS ((bfd *abfd));
 107 boolean bfd_slurp_bsd_armap_f2 PARAMS ((bfd *abfd));
 108 #define bfd_slurp_bsd_armap bfd_slurp_armap
 109 #define bfd_slurp_coff_armap bfd_slurp_armap
 110 boolean _bfd_slurp_extended_name_table PARAMS ((bfd *abfd));
 111 extern boolean _bfd_construct_extended_name_table
 112   PARAMS ((bfd *, boolean, char **, bfd_size_type *));
 113 boolean _bfd_write_archive_contents PARAMS ((bfd *abfd));
 114 boolean _bfd_compute_and_write_armap PARAMS ((bfd *, unsigned int elength));
 115 bfd *_bfd_get_elt_at_filepos PARAMS ((bfd *archive, file_ptr filepos));
 116 extern bfd *_bfd_generic_get_elt_at_index PARAMS ((bfd *, symindex));
 117 bfd * _bfd_new_bfd PARAMS ((void));
 118
 119 boolean bfd_false PARAMS ((bfd *ignore));
 120 boolean bfd_true PARAMS ((bfd *ignore));
 121 PTR     bfd_nullvoidptr PARAMS ((bfd *ignore));
 122 int     bfd_0 PARAMS ((bfd *ignore));
 123 unsigned int    bfd_0u PARAMS ((bfd *ignore));
 124 long    bfd_0l PARAMS ((bfd *ignore));
 125 long    _bfd_n1 PARAMS ((bfd *ignore));
 126 void    bfd_void PARAMS ((bfd *ignore));
 127
 128 bfd *_bfd_new_bfd_contained_in PARAMS ((bfd *));
 129 const bfd_target *_bfd_dummy_target PARAMS ((bfd *abfd));
 130
 131 void    bfd_dont_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
 132                                         char *hdr));
 133 void    bfd_bsd_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
 134                                         char *hdr));
 135 void    bfd_gnu_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
 136                                         char *hdr));
 137
 138 boolean bsd_write_armap PARAMS ((bfd *arch, unsigned int elength,
 139                                   struct orl *map, unsigned int orl_count, int stridx));
 140
 141 boolean coff_write_armap PARAMS ((bfd *arch, unsigned int elength,
 142                                    struct orl *map, unsigned int orl_count, int stridx));
 143
 144 extern PTR _bfd_generic_read_ar_hdr PARAMS ((bfd *));
 145
 146 extern PTR _bfd_generic_read_ar_hdr_mag PARAMS ((bfd *, const char *));
 147
 148 bfd *   bfd_generic_openr_next_archived_file PARAMS ((bfd *archive,
 149                                                      bfd *last_file));
 150
 151 int     bfd_generic_stat_arch_elt PARAMS ((bfd *, struct stat *));
 152
 153 #define _bfd_read_ar_hdr(abfd) \
 154   BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
 155 \f
 156 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC.  Use
 157    BFD_JUMP_TABLE_GENERIC (_bfd_generic).  */
 158
 159 #define _bfd_generic_close_and_cleanup bfd_true
 160 #define _bfd_generic_bfd_free_cached_info bfd_true
 161 #define _bfd_generic_new_section_hook \
 162   ((boolean (*) PARAMS ((bfd *, asection *))) bfd_true)
 163 extern boolean _bfd_generic_get_section_contents
 164   PARAMS ((bfd *, asection *, PTR location, file_ptr offset,
 165            bfd_size_type count));
 166 extern boolean _bfd_generic_get_section_contents_in_window
 167   PARAMS ((bfd *, asection *, bfd_window *, file_ptr, bfd_size_type));
 168
 169 /* Generic routines to use for BFD_JUMP_TABLE_COPY.  Use
 170    BFD_JUMP_TABLE_COPY (_bfd_generic).  */
 171
 172 #define _bfd_generic_bfd_copy_private_bfd_data \
 173   ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
 174 #define _bfd_generic_bfd_merge_private_bfd_data \
 175   ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
 176 #define _bfd_generic_bfd_set_private_flags \
 177   ((boolean (*) PARAMS ((bfd *, flagword))) bfd_true)
 178 #define _bfd_generic_bfd_copy_private_section_data \
 179   ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true)
 180 #define _bfd_generic_bfd_copy_private_symbol_data \
 181   ((boolean (*) PARAMS ((bfd *, asymbol *, bfd *, asymbol *))) bfd_true)
 182 #define _bfd_generic_bfd_print_private_bfd_data \
 183   ((boolean (*) PARAMS ((bfd *, PTR))) bfd_true)
 184
 185 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
 186    support.  Use BFD_JUMP_TABLE_CORE (_bfd_nocore).  */
 187
 188 extern char *_bfd_nocore_core_file_failing_command PARAMS ((bfd *));
 189 extern int _bfd_nocore_core_file_failing_signal PARAMS ((bfd *));
 190 extern boolean _bfd_nocore_core_file_matches_executable_p
 191   PARAMS ((bfd *, bfd *));
 192
 193 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
 194    file support.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive).  */
 195
 196 #define _bfd_noarchive_slurp_armap bfd_false
 197 #define _bfd_noarchive_slurp_extended_name_table bfd_false
 198 #define _bfd_noarchive_construct_extended_name_table \
 199   ((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
 200    bfd_false)
 201 #define _bfd_noarchive_truncate_arname \
 202   ((void (*) PARAMS ((bfd *, const char *, char *))) bfd_void)
 203 #define _bfd_noarchive_write_armap \
 204   ((boolean (*) \
 205     PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
 206    bfd_false)
 207 #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
 208 #define _bfd_noarchive_openr_next_archived_file \
 209   ((bfd *(*) PARAMS ((bfd *, bfd *))) bfd_nullvoidptr)
 210 #define _bfd_noarchive_get_elt_at_index \
 211   ((bfd *(*) PARAMS ((bfd *, symindex))) bfd_nullvoidptr)
 212 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
 213 #define _bfd_noarchive_update_armap_timestamp bfd_false
 214
 215 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
 216    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd).  */
 217
 218 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
 219 #define _bfd_archive_bsd_slurp_extended_name_table \
 220   _bfd_slurp_extended_name_table
 221 extern boolean _bfd_archive_bsd_construct_extended_name_table
 222   PARAMS ((bfd *, char **, bfd_size_type *, const char **));
 223 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
 224 #define _bfd_archive_bsd_write_armap bsd_write_armap
 225 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
 226 #define _bfd_archive_bsd_openr_next_archived_file \
 227   bfd_generic_openr_next_archived_file
 228 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
 229 #define _bfd_archive_bsd_generic_stat_arch_elt \
 230   bfd_generic_stat_arch_elt
 231 extern boolean _bfd_archive_bsd_update_armap_timestamp PARAMS ((bfd *));
 232
 233 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
 234    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff).  */
 235
 236 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
 237 #define _bfd_archive_coff_slurp_extended_name_table \
 238   _bfd_slurp_extended_name_table
 239 extern boolean _bfd_archive_coff_construct_extended_name_table
 240   PARAMS ((bfd *, char **, bfd_size_type *, const char **));
 241 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
 242 #define _bfd_archive_coff_write_armap coff_write_armap
 243 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
 244 #define _bfd_archive_coff_openr_next_archived_file \
 245   bfd_generic_openr_next_archived_file
 246 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
 247 #define _bfd_archive_coff_generic_stat_arch_elt \
 248   bfd_generic_stat_arch_elt
 249 #define _bfd_archive_coff_update_armap_timestamp bfd_true
 250
 251 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
 252    support.  Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols).  */
 253
 254 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
 255 #define _bfd_nosymbols_get_symtab \
 256   ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
 257 #define _bfd_nosymbols_make_empty_symbol \
 258   ((asymbol *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
 259 #define _bfd_nosymbols_print_symbol \
 260   ((void (*) PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type))) bfd_void)
 261 #define _bfd_nosymbols_get_symbol_info \
 262   ((void (*) PARAMS ((bfd *, asymbol *, symbol_info *))) bfd_void)
 263 #define _bfd_nosymbols_bfd_is_local_label_name \
 264   ((boolean (*) PARAMS ((bfd *, const char *))) bfd_false)
 265 #define _bfd_nosymbols_get_lineno \
 266   ((alent *(*) PARAMS ((bfd *, asymbol *))) bfd_nullvoidptr)
 267 #define _bfd_nosymbols_find_nearest_line \
 268   ((boolean (*) \
 269     PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, \
 270              const char **, unsigned int *))) \
 271    bfd_false)
 272 #define _bfd_nosymbols_bfd_make_debug_symbol \
 273   ((asymbol *(*) PARAMS ((bfd *, PTR, unsigned long))) bfd_nullvoidptr)
 274 #define _bfd_nosymbols_read_minisymbols \
 275   ((long (*) PARAMS ((bfd *, boolean, PTR *, unsigned int *))) _bfd_n1)
 276 #define _bfd_nosymbols_minisymbol_to_symbol \
 277   ((asymbol *(*) PARAMS ((bfd *, boolean, const PTR, asymbol *))) \
 278    bfd_nullvoidptr)
 279
 280 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
 281    support.  Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs).  */
 282
 283 #define _bfd_norelocs_get_reloc_upper_bound \
 284   ((long (*) PARAMS ((bfd *, asection *))) _bfd_n1)
 285 #define _bfd_norelocs_canonicalize_reloc \
 286   ((long (*) PARAMS ((bfd *, asection *, arelent **, asymbol **))) _bfd_n1)
 287 #define _bfd_norelocs_bfd_reloc_type_lookup \
 288   ((reloc_howto_type *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) \
 289    bfd_nullvoidptr)
 290
 291 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
 292    be written.  Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite).  */
 293
 294 #define _bfd_nowrite_set_arch_mach \
 295   ((boolean (*) PARAMS ((bfd *, enum bfd_architecture, unsigned long))) \
 296    bfd_false)
 297 #define _bfd_nowrite_set_section_contents \
 298   ((boolean (*) PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type))) \
 299    bfd_false)
 300
 301 /* Generic routines to use for BFD_JUMP_TABLE_WRITE.  Use
 302    BFD_JUMP_TABLE_WRITE (_bfd_generic).  */
 303
 304 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
 305 extern boolean _bfd_generic_set_section_contents
 306   PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
 307
 308 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
 309    support linking.  Use BFD_JUMP_TABLE_LINK (_bfd_nolink).  */
 310
 311 #define _bfd_nolink_sizeof_headers ((int (*) PARAMS ((bfd *, boolean))) bfd_0)
 312 #define _bfd_nolink_bfd_get_relocated_section_contents \
 313   ((bfd_byte *(*) \
 314     PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, \
 315              bfd_byte *, boolean, asymbol **))) \
 316    bfd_nullvoidptr)
 317 #define _bfd_nolink_bfd_relax_section \
 318   ((boolean (*) \
 319     PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *))) \
 320    bfd_false)
 321 #define _bfd_nolink_bfd_gc_sections \
 322   ((boolean (*) \
 323     PARAMS ((bfd *, struct bfd_link_info *))) \
 324    bfd_false)
 325 #define _bfd_nolink_bfd_link_hash_table_create \
 326   ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
 327 #define _bfd_nolink_bfd_link_add_symbols \
 328   ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
 329 #define _bfd_nolink_bfd_final_link \
 330   ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
 331 #define _bfd_nolink_bfd_link_split_section \
 332   ((boolean (*) PARAMS ((bfd *, struct sec *))) bfd_false)
 333
 334 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
 335    have dynamic symbols or relocs.  Use BFD_JUMP_TABLE_DYNAMIC
 336    (_bfd_nodynamic).  */
 337
 338 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
 339 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
 340   ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
 341 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
 342 #define _bfd_nodynamic_canonicalize_dynamic_reloc \
 343   ((long (*) PARAMS ((bfd *, arelent **, asymbol **))) _bfd_n1)
 344 \f
 345 /* Generic routine to determine of the given symbol is a local
 346    label.  */
 347 extern boolean bfd_generic_is_local_label_name PARAMS ((bfd *, const char *));
 348
 349 /* Generic minisymbol routines.  */
 350 extern long _bfd_generic_read_minisymbols
 351   PARAMS ((bfd *, boolean, PTR *, unsigned int *));
 352 extern asymbol *_bfd_generic_minisymbol_to_symbol
 353   PARAMS ((bfd *, boolean, const PTR, asymbol *));
 354
 355 /* Find the nearest line using .stab/.stabstr sections.  */
 356 extern boolean _bfd_stab_section_find_nearest_line
 357   PARAMS ((bfd *, asymbol **, asection *, bfd_vma, boolean *, const char **,
 358            const char **, unsigned int *, PTR *));
 359
 360 /* Find the neaderst line using DWARF 1 debugging information.  */
 361 extern boolean _bfd_dwarf1_find_nearest_line
 362   PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
 363            const char **, unsigned int *));
 364
 365 /* Find the nearest line using DWARF 2 debugging information.  */
 366 extern boolean _bfd_dwarf2_find_nearest_line
 367   PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
 368            const char **, unsigned int *));
 369
 370 /* A routine to create entries for a bfd_link_hash_table.  */
 371 extern struct bfd_hash_entry *_bfd_link_hash_newfunc
 372   PARAMS ((struct bfd_hash_entry *entry,
 373            struct bfd_hash_table *table,
 374            const char *string));
 375
 376 /* Initialize a bfd_link_hash_table.  */
 377 extern boolean _bfd_link_hash_table_init
 378   PARAMS ((struct bfd_link_hash_table *, bfd *,
 379            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 380                                        struct bfd_hash_table *,
 381                                        const char *)));
 382
 383 /* Generic link hash table creation routine.  */
 384 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
 385   PARAMS ((bfd *));
 386
 387 /* Generic add symbol routine.  */
 388 extern boolean _bfd_generic_link_add_symbols
 389   PARAMS ((bfd *, struct bfd_link_info *));
 390
 391 /* Generic add symbol routine.  This version is used by targets for
 392    which the linker must collect constructors and destructors by name,
 393    as the collect2 program does.  */
 394 extern boolean _bfd_generic_link_add_symbols_collect
 395   PARAMS ((bfd *, struct bfd_link_info *));
 396
 397 /* Generic archive add symbol routine.  */
 398 extern boolean _bfd_generic_link_add_archive_symbols
 399   PARAMS ((bfd *, struct bfd_link_info *,
 400            boolean (*checkfn) (bfd *, struct bfd_link_info *, boolean *)));
 401
 402
 403
 404 /* Forward declaration to avoid prototype errors.  */
 405 typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
 406
 407 /* Generic routine to add a single symbol.  */
 408 extern boolean _bfd_generic_link_add_one_symbol
 409   PARAMS ((struct bfd_link_info *, bfd *, const char *name, flagword,
 410            asection *, bfd_vma, const char *, boolean copy,
 411            boolean constructor, struct bfd_link_hash_entry **));
 412
 413 /* Generic link routine.  */
 414 extern boolean _bfd_generic_final_link
 415   PARAMS ((bfd *, struct bfd_link_info *));
 416
 417 extern boolean _bfd_generic_link_split_section
 418   PARAMS ((bfd *, struct sec *));
 419
 420 /* Generic reloc_link_order processing routine.  */
 421 extern boolean _bfd_generic_reloc_link_order
 422   PARAMS ((bfd *, struct bfd_link_info *, asection *,
 423            struct bfd_link_order *));
 424
 425 /* Default link order processing routine.  */
 426 extern boolean _bfd_default_link_order
 427   PARAMS ((bfd *, struct bfd_link_info *, asection *,
 428            struct bfd_link_order *));
 429
 430 /* Count the number of reloc entries in a link order list.  */
 431 extern unsigned int _bfd_count_link_order_relocs
 432   PARAMS ((struct bfd_link_order *));
 433
 434 /* Final link relocation routine.  */
 435 extern bfd_reloc_status_type _bfd_final_link_relocate
 436   PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *,
 437            bfd_vma address, bfd_vma value, bfd_vma addend));
 438
 439 /* Relocate a particular location by a howto and a value.  */
 440 extern bfd_reloc_status_type _bfd_relocate_contents
 441   PARAMS ((reloc_howto_type *, bfd *, bfd_vma, bfd_byte *));
 442
 443 /* Link stabs in sections in the first pass.  */
 444
 445 extern boolean _bfd_link_section_stabs
 446   PARAMS ((bfd *, PTR *, asection *, asection *, PTR *));
 447
 448 /* Write out the .stab section when linking stabs in sections.  */
 449
 450 extern boolean _bfd_write_section_stabs
 451   PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_byte *));
 452
 453 /* Write out the .stabstr string table when linking stabs in sections.  */
 454
 455 extern boolean _bfd_write_stab_strings PARAMS ((bfd *, PTR *));
 456
 457 /* Find an offset within a .stab section when linking stabs in
 458    sections.  */
 459
 460 extern bfd_vma _bfd_stab_section_offset
 461   PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_vma));
 462
 463 /* Create a string table.  */
 464 extern struct bfd_strtab_hash *_bfd_stringtab_init PARAMS ((void));
 465
 466 /* Create an XCOFF .debug section style string table.  */
 467 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init PARAMS ((void));
 468
 469 /* Free a string table.  */
 470 extern void _bfd_stringtab_free PARAMS ((struct bfd_strtab_hash *));
 471
 472 /* Get the size of a string table.  */
 473 extern bfd_size_type _bfd_stringtab_size PARAMS ((struct bfd_strtab_hash *));
 474
 475 /* Add a string to a string table.  */
 476 extern bfd_size_type _bfd_stringtab_add
 477   PARAMS ((struct bfd_strtab_hash *, const char *, boolean hash,
 478            boolean copy));
 479
 480 /* Write out a string table.  */
 481 extern boolean _bfd_stringtab_emit PARAMS ((bfd *, struct bfd_strtab_hash *));
 482 \f
 483 /* Macros to tell if bfds are read or write enabled.
 484
 485    Note that bfds open for read may be scribbled into if the fd passed
 486    to bfd_fdopenr is actually open both for read and write
 487    simultaneously.  However an output bfd will never be open for
 488    read.  Therefore sometimes you want to check bfd_read_p or
 489    !bfd_read_p, and only sometimes bfd_write_p.
 490 */
 491
 492 #define bfd_read_p(abfd) ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
 493 #define bfd_write_p(abfd) ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
 494
 495 void    bfd_assert PARAMS ((const char*,int));
 496
 497 #define BFD_ASSERT(x) \
 498 { if (!(x)) bfd_assert(__FILE__,__LINE__); }
 499
 500 #define BFD_FAIL() \
 501 { bfd_assert(__FILE__,__LINE__); }
 502
 503 FILE *  bfd_cache_lookup_worker PARAMS ((bfd *));
 504
 505 extern bfd *bfd_last_cache;
 506
 507 /* List of supported target vectors, and the default vector (if
 508    bfd_default_vector[0] is NULL, there is no default).  */
 509 extern const bfd_target * const bfd_target_vector[];
 510 extern const bfd_target *bfd_default_vector[];
 511
 512 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
 513    other common header files.  */
 514
 515 #if defined(__STDC__) || defined(ALMOST_STDC)
 516 struct ecoff_find_line;
 517 #endif
 518
 519 extern boolean _bfd_ecoff_locate_line
 520   PARAMS ((bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
 521            const struct ecoff_debug_swap * const, struct ecoff_find_line *,
 522            const char **, const char **, unsigned int *));
 523 extern boolean _bfd_ecoff_get_accumulated_pdr PARAMS ((PTR, bfd_byte *));
 524 extern boolean _bfd_ecoff_get_accumulated_sym PARAMS ((PTR, bfd_byte *));
 525 extern boolean _bfd_ecoff_get_accumulated_ss PARAMS ((PTR, bfd_byte *));
 526
 527 extern bfd_vma _bfd_get_gp_value PARAMS ((bfd *));
 528 extern void _bfd_set_gp_value PARAMS ((bfd *, bfd_vma));
 529
 530 /* Function shared by the COFF and ELF SH backends, which have no
 531    other common header files.  */
 532
 533 extern boolean _bfd_sh_align_load_span
 534   PARAMS ((bfd *, asection *, bfd_byte *,
 535            boolean (*) (bfd *, asection *, PTR, bfd_byte *, bfd_vma),
 536            PTR, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, boolean *));
 537
 538 /* And more follows */
 539