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, 1998 Free Software Foundation, Inc.
   4    Written by Cygnus Support.
   5
   6 ** NOTE: libbfd.h is a GENERATED file.  Don't change it; instead,
   7 ** change libbfd-in.h or the other BFD source files processed to
   8 ** generate this file.
   9
  10 This file is part of BFD, the Binary File Descriptor library.
  11
  12 This program is free software; you can redistribute it and/or modify
  13 it under the terms of the GNU General Public License as published by
  14 the Free Software Foundation; either version 2 of the License, or
  15 (at your option) any later version.
  16
  17 This program is distributed in the hope that it will be useful,
  18 but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 GNU General Public License for more details.
  21
  22 You should have received a copy of the GNU General Public License
  23 along with this program; if not, write to the Free Software
  24 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  25
  26 #ifdef ENABLE_NLS
  27 #include <libintl.h>
  28 /*  FIXME: We might want to use dgettext instead, in some cases.
  29     This is still under investigation.  */
  30 #define _(String) gettext (String)
  31 #ifdef gettext_noop
  32 #define N_(String) gettext_noop (String)
  33 #else
  34 #define N_(String) (String)
  35 #endif
  36 #else
  37 /* Stubs that do something close enough.  */
  38 #define textdomain(String) (String)
  39 #define gettext(String) (String)
  40 #define dgettext(Domain,Message) (Message)
  41 #define dcgettext(Domain,Message,Type) (Message)
  42 #define bindtextdomain(Domain,Directory) (Domain)
  43 #define _(String) (String)
  44 #define N_(String) (String)
  45 /* In this case we don't care about the value.  */
  46 #ifndef LC_MESSAGES
  47 #define LC_MESSAGES 0
  48 #endif
  49 #endif
  50
  51 /* Align an address upward to a boundary, expressed as a number of bytes.
  52    E.g. align to an 8-byte boundary with argument of 8.  Take care never
  53    to wrap around if the address is within boundary-1 of the end of the
  54    address space.  */
  55 #define BFD_ALIGN(this, boundary)                                       \
  56   ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this))            \
  57    ? (((bfd_vma) (this) + ((boundary) - 1)) & (~((boundary)-1)))        \
  58    : ~ (bfd_vma) 0)
  59
  60 /* If you want to read and write large blocks, you might want to do it
  61    in quanta of this amount */
  62 #define DEFAULT_BUFFERSIZE 8192
  63
  64 /* Set a tdata field.  Can't use the other macros for this, since they
  65    do casts, and casting to the left of assignment isn't portable.  */
  66 #define set_tdata(bfd, v) ((bfd)->tdata.any = (PTR) (v))
  67
  68 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
  69    to an instance of this structure.  */
  70
  71 struct bfd_in_memory
  72 {
  73   /* Size of buffer.  */
  74   bfd_size_type size;
  75   /* Buffer holding contents of BFD.  */
  76   bfd_byte *buffer;
  77 };
  78
  79 /* tdata for an archive.  For an input archive, cache
  80    needs to be free()'d.  For an output archive, symdefs do.  */
  81
  82 struct artdata {
  83   file_ptr first_file_filepos;
  84   /* Speed up searching the armap */
  85   struct ar_cache *cache;
  86   bfd *archive_head;            /* Only interesting in output routines */
  87   carsym *symdefs;              /* the symdef entries */
  88   symindex symdef_count;             /* how many there are */
  89   char *extended_names;         /* clever intel extension */
  90   /* when more compilers are standard C, this can be a time_t */
  91   long  armap_timestamp;        /* Timestamp value written into armap.
  92                                    This is used for BSD archives to check
  93                                    that the timestamp is recent enough
  94                                    for the BSD linker to not complain,
  95                                    just before we finish writing an
  96                                    archive.  */
  97   file_ptr armap_datepos;       /* Position within archive to seek to
  98                                    rewrite the date field.  */
  99   PTR tdata;                    /* Backend specific information.  */
 100 };
 101
 102 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
 103
 104 /* Goes in bfd's arelt_data slot */
 105 struct areltdata {
 106   char * arch_header;                        /* it's actually a string */
 107   unsigned int parsed_size;     /* octets of filesize not including ar_hdr */
 108   char *filename;                            /* null-terminated */
 109 };
 110
 111 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
 112
 113 extern PTR bfd_malloc PARAMS ((size_t));
 114 extern PTR bfd_realloc PARAMS ((PTR, size_t));
 115 extern PTR bfd_zmalloc PARAMS ((size_t));
 116
 117 extern bfd_error_handler_type _bfd_error_handler;
 118
 119 /* These routines allocate and free things on the BFD's objalloc.  */
 120
 121 extern PTR bfd_alloc PARAMS ((bfd *, size_t));
 122 extern PTR bfd_zalloc PARAMS ((bfd *, size_t));
 123 extern void bfd_release PARAMS ((bfd *, PTR));
 124
 125 bfd *   _bfd_create_empty_archive_element_shell PARAMS ((bfd *obfd));
 126 bfd *   _bfd_look_for_bfd_in_cache PARAMS ((bfd *arch_bfd, file_ptr index));
 127 boolean _bfd_add_bfd_to_archive_cache PARAMS ((bfd *, file_ptr, bfd *));
 128 boolean _bfd_generic_mkarchive PARAMS ((bfd *abfd));
 129 const bfd_target *bfd_generic_archive_p PARAMS ((bfd *abfd));
 130 boolean bfd_slurp_armap PARAMS ((bfd *abfd));
 131 boolean bfd_slurp_bsd_armap_f2 PARAMS ((bfd *abfd));
 132 #define bfd_slurp_bsd_armap bfd_slurp_armap
 133 #define bfd_slurp_coff_armap bfd_slurp_armap
 134 boolean _bfd_slurp_extended_name_table PARAMS ((bfd *abfd));
 135 extern boolean _bfd_construct_extended_name_table
 136   PARAMS ((bfd *, boolean, char **, bfd_size_type *));
 137 boolean _bfd_write_archive_contents PARAMS ((bfd *abfd));
 138 boolean _bfd_compute_and_write_armap PARAMS ((bfd *, unsigned int elength));
 139 bfd *_bfd_get_elt_at_filepos PARAMS ((bfd *archive, file_ptr filepos));
 140 extern bfd *_bfd_generic_get_elt_at_index PARAMS ((bfd *, symindex));
 141 bfd * _bfd_new_bfd PARAMS ((void));
 142
 143 boolean bfd_false PARAMS ((bfd *ignore));
 144 boolean bfd_true PARAMS ((bfd *ignore));
 145 PTR     bfd_nullvoidptr PARAMS ((bfd *ignore));
 146 int     bfd_0 PARAMS ((bfd *ignore));
 147 unsigned int    bfd_0u PARAMS ((bfd *ignore));
 148 long    bfd_0l PARAMS ((bfd *ignore));
 149 long    _bfd_n1 PARAMS ((bfd *ignore));
 150 void    bfd_void PARAMS ((bfd *ignore));
 151
 152 bfd *_bfd_new_bfd_contained_in PARAMS ((bfd *));
 153 const bfd_target *_bfd_dummy_target PARAMS ((bfd *abfd));
 154
 155 void    bfd_dont_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
 156                                         char *hdr));
 157 void    bfd_bsd_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
 158                                         char *hdr));
 159 void    bfd_gnu_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
 160                                         char *hdr));
 161
 162 boolean bsd_write_armap PARAMS ((bfd *arch, unsigned int elength,
 163                                   struct orl *map, unsigned int orl_count, int stridx));
 164
 165 boolean coff_write_armap PARAMS ((bfd *arch, unsigned int elength,
 166                                    struct orl *map, unsigned int orl_count, int stridx));
 167
 168 extern PTR _bfd_generic_read_ar_hdr PARAMS ((bfd *));
 169
 170 extern PTR _bfd_generic_read_ar_hdr_mag PARAMS ((bfd *, const char *));
 171
 172 bfd *   bfd_generic_openr_next_archived_file PARAMS ((bfd *archive,
 173                                                      bfd *last_file));
 174
 175 int     bfd_generic_stat_arch_elt PARAMS ((bfd *, struct stat *));
 176
 177 #define _bfd_read_ar_hdr(abfd) \
 178   BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
 179 \f
 180 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC.  Use
 181    BFD_JUMP_TABLE_GENERIC (_bfd_generic).  */
 182
 183 #define _bfd_generic_close_and_cleanup bfd_true
 184 #define _bfd_generic_bfd_free_cached_info bfd_true
 185 #define _bfd_generic_new_section_hook \
 186   ((boolean (*) PARAMS ((bfd *, asection *))) bfd_true)
 187 extern boolean _bfd_generic_get_section_contents
 188   PARAMS ((bfd *, asection *, PTR location, file_ptr offset,
 189            bfd_size_type count));
 190 extern boolean _bfd_generic_get_section_contents_in_window
 191   PARAMS ((bfd *, asection *, bfd_window *, file_ptr, bfd_size_type));
 192
 193 /* Generic routines to use for BFD_JUMP_TABLE_COPY.  Use
 194    BFD_JUMP_TABLE_COPY (_bfd_generic).  */
 195
 196 #define _bfd_generic_bfd_copy_private_bfd_data \
 197   ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
 198 #define _bfd_generic_bfd_merge_private_bfd_data \
 199   ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
 200 #define _bfd_generic_bfd_set_private_flags \
 201   ((boolean (*) PARAMS ((bfd *, flagword))) bfd_true)
 202 #define _bfd_generic_bfd_copy_private_section_data \
 203   ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true)
 204 #define _bfd_generic_bfd_copy_private_symbol_data \
 205   ((boolean (*) PARAMS ((bfd *, asymbol *, bfd *, asymbol *))) bfd_true)
 206 #define _bfd_generic_bfd_print_private_bfd_data \
 207   ((boolean (*) PARAMS ((bfd *, PTR))) bfd_true)
 208
 209 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
 210    support.  Use BFD_JUMP_TABLE_CORE (_bfd_nocore).  */
 211
 212 extern char *_bfd_nocore_core_file_failing_command PARAMS ((bfd *));
 213 extern int _bfd_nocore_core_file_failing_signal PARAMS ((bfd *));
 214 extern boolean _bfd_nocore_core_file_matches_executable_p
 215   PARAMS ((bfd *, bfd *));
 216
 217 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
 218    file support.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive).  */
 219
 220 #define _bfd_noarchive_slurp_armap bfd_false
 221 #define _bfd_noarchive_slurp_extended_name_table bfd_false
 222 #define _bfd_noarchive_construct_extended_name_table \
 223   ((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
 224    bfd_false)
 225 #define _bfd_noarchive_truncate_arname \
 226   ((void (*) PARAMS ((bfd *, const char *, char *))) bfd_void)
 227 #define _bfd_noarchive_write_armap \
 228   ((boolean (*) \
 229     PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
 230    bfd_false)
 231 #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
 232 #define _bfd_noarchive_openr_next_archived_file \
 233   ((bfd *(*) PARAMS ((bfd *, bfd *))) bfd_nullvoidptr)
 234 #define _bfd_noarchive_get_elt_at_index \
 235   ((bfd *(*) PARAMS ((bfd *, symindex))) bfd_nullvoidptr)
 236 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
 237 #define _bfd_noarchive_update_armap_timestamp bfd_false
 238
 239 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
 240    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd).  */
 241
 242 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
 243 #define _bfd_archive_bsd_slurp_extended_name_table \
 244   _bfd_slurp_extended_name_table
 245 extern boolean _bfd_archive_bsd_construct_extended_name_table
 246   PARAMS ((bfd *, char **, bfd_size_type *, const char **));
 247 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
 248 #define _bfd_archive_bsd_write_armap bsd_write_armap
 249 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
 250 #define _bfd_archive_bsd_openr_next_archived_file \
 251   bfd_generic_openr_next_archived_file
 252 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
 253 #define _bfd_archive_bsd_generic_stat_arch_elt \
 254   bfd_generic_stat_arch_elt
 255 extern boolean _bfd_archive_bsd_update_armap_timestamp PARAMS ((bfd *));
 256
 257 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
 258    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff).  */
 259
 260 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
 261 #define _bfd_archive_coff_slurp_extended_name_table \
 262   _bfd_slurp_extended_name_table
 263 extern boolean _bfd_archive_coff_construct_extended_name_table
 264   PARAMS ((bfd *, char **, bfd_size_type *, const char **));
 265 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
 266 #define _bfd_archive_coff_write_armap coff_write_armap
 267 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
 268 #define _bfd_archive_coff_openr_next_archived_file \
 269   bfd_generic_openr_next_archived_file
 270 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
 271 #define _bfd_archive_coff_generic_stat_arch_elt \
 272   bfd_generic_stat_arch_elt
 273 #define _bfd_archive_coff_update_armap_timestamp bfd_true
 274
 275 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
 276    support.  Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols).  */
 277
 278 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
 279 #define _bfd_nosymbols_get_symtab \
 280   ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
 281 #define _bfd_nosymbols_make_empty_symbol \
 282   ((asymbol *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
 283 #define _bfd_nosymbols_print_symbol \
 284   ((void (*) PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type))) bfd_void)
 285 #define _bfd_nosymbols_get_symbol_info \
 286   ((void (*) PARAMS ((bfd *, asymbol *, symbol_info *))) bfd_void)
 287 #define _bfd_nosymbols_bfd_is_local_label_name \
 288   ((boolean (*) PARAMS ((bfd *, const char *))) bfd_false)
 289 #define _bfd_nosymbols_get_lineno \
 290   ((alent *(*) PARAMS ((bfd *, asymbol *))) bfd_nullvoidptr)
 291 #define _bfd_nosymbols_find_nearest_line \
 292   ((boolean (*) \
 293     PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, \
 294              const char **, unsigned int *))) \
 295    bfd_false)
 296 #define _bfd_nosymbols_bfd_make_debug_symbol \
 297   ((asymbol *(*) PARAMS ((bfd *, PTR, unsigned long))) bfd_nullvoidptr)
 298 #define _bfd_nosymbols_read_minisymbols \
 299   ((long (*) PARAMS ((bfd *, boolean, PTR *, unsigned int *))) _bfd_n1)
 300 #define _bfd_nosymbols_minisymbol_to_symbol \
 301   ((asymbol *(*) PARAMS ((bfd *, boolean, const PTR, asymbol *))) \
 302    bfd_nullvoidptr)
 303
 304 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
 305    support.  Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs).  */
 306
 307 #define _bfd_norelocs_get_reloc_upper_bound \
 308   ((long (*) PARAMS ((bfd *, asection *))) _bfd_n1)
 309 #define _bfd_norelocs_canonicalize_reloc \
 310   ((long (*) PARAMS ((bfd *, asection *, arelent **, asymbol **))) _bfd_n1)
 311 #define _bfd_norelocs_bfd_reloc_type_lookup \
 312   ((reloc_howto_type *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) \
 313    bfd_nullvoidptr)
 314
 315 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
 316    be written.  Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite).  */
 317
 318 #define _bfd_nowrite_set_arch_mach \
 319   ((boolean (*) PARAMS ((bfd *, enum bfd_architecture, unsigned long))) \
 320    bfd_false)
 321 #define _bfd_nowrite_set_section_contents \
 322   ((boolean (*) PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type))) \
 323    bfd_false)
 324
 325 /* Generic routines to use for BFD_JUMP_TABLE_WRITE.  Use
 326    BFD_JUMP_TABLE_WRITE (_bfd_generic).  */
 327
 328 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
 329 extern boolean _bfd_generic_set_section_contents
 330   PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
 331
 332 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
 333    support linking.  Use BFD_JUMP_TABLE_LINK (_bfd_nolink).  */
 334
 335 #define _bfd_nolink_sizeof_headers ((int (*) PARAMS ((bfd *, boolean))) bfd_0)
 336 #define _bfd_nolink_bfd_get_relocated_section_contents \
 337   ((bfd_byte *(*) \
 338     PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, \
 339              bfd_byte *, boolean, asymbol **))) \
 340    bfd_nullvoidptr)
 341 #define _bfd_nolink_bfd_relax_section \
 342   ((boolean (*) \
 343     PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *))) \
 344    bfd_false)
 345 #define _bfd_nolink_bfd_link_hash_table_create \
 346   ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
 347 #define _bfd_nolink_bfd_link_add_symbols \
 348   ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
 349 #define _bfd_nolink_bfd_final_link \
 350   ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
 351 #define _bfd_nolink_bfd_link_split_section \
 352   ((boolean (*) PARAMS ((bfd *, struct sec *))) bfd_false)
 353
 354 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
 355    have dynamic symbols or relocs.  Use BFD_JUMP_TABLE_DYNAMIC
 356    (_bfd_nodynamic).  */
 357
 358 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
 359 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
 360   ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
 361 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
 362 #define _bfd_nodynamic_canonicalize_dynamic_reloc \
 363   ((long (*) PARAMS ((bfd *, arelent **, asymbol **))) _bfd_n1)
 364 \f
 365 /* Generic routine to determine of the given symbol is a local
 366    label.  */
 367 extern boolean bfd_generic_is_local_label_name PARAMS ((bfd *, const char *));
 368
 369 /* Generic minisymbol routines.  */
 370 extern long _bfd_generic_read_minisymbols
 371   PARAMS ((bfd *, boolean, PTR *, unsigned int *));
 372 extern asymbol *_bfd_generic_minisymbol_to_symbol
 373   PARAMS ((bfd *, boolean, const PTR, asymbol *));
 374
 375 /* Find the nearest line using .stab/.stabstr sections.  */
 376 extern boolean _bfd_stab_section_find_nearest_line
 377   PARAMS ((bfd *, asymbol **, asection *, bfd_vma, boolean *, const char **,
 378            const char **, unsigned int *, PTR *));
 379
 380 /* Find the nearest line using DWARF 2 debugging information.  */
 381 extern boolean _bfd_dwarf2_find_nearest_line
 382   PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
 383            const char **, unsigned int *));
 384
 385 /* A routine to create entries for a bfd_link_hash_table.  */
 386 extern struct bfd_hash_entry *_bfd_link_hash_newfunc
 387   PARAMS ((struct bfd_hash_entry *entry,
 388            struct bfd_hash_table *table,
 389            const char *string));
 390
 391 /* Initialize a bfd_link_hash_table.  */
 392 extern boolean _bfd_link_hash_table_init
 393   PARAMS ((struct bfd_link_hash_table *, bfd *,
 394            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 395                                        struct bfd_hash_table *,
 396                                        const char *)));
 397
 398 /* Generic link hash table creation routine.  */
 399 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
 400   PARAMS ((bfd *));
 401
 402 /* Generic add symbol routine.  */
 403 extern boolean _bfd_generic_link_add_symbols
 404   PARAMS ((bfd *, struct bfd_link_info *));
 405
 406 /* Generic add symbol routine.  This version is used by targets for
 407    which the linker must collect constructors and destructors by name,
 408    as the collect2 program does.  */
 409 extern boolean _bfd_generic_link_add_symbols_collect
 410   PARAMS ((bfd *, struct bfd_link_info *));
 411
 412 /* Generic archive add symbol routine.  */
 413 extern boolean _bfd_generic_link_add_archive_symbols
 414   PARAMS ((bfd *, struct bfd_link_info *,
 415            boolean (*checkfn) (bfd *, struct bfd_link_info *, boolean *)));
 416
 417
 418
 419 /* Forward declaration to avoid prototype errors.  */
 420 typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
 421
 422 /* Generic routine to add a single symbol.  */
 423 extern boolean _bfd_generic_link_add_one_symbol
 424   PARAMS ((struct bfd_link_info *, bfd *, const char *name, flagword,
 425            asection *, bfd_vma, const char *, boolean copy,
 426            boolean constructor, struct bfd_link_hash_entry **));
 427
 428 /* Generic link routine.  */
 429 extern boolean _bfd_generic_final_link
 430   PARAMS ((bfd *, struct bfd_link_info *));
 431
 432 extern boolean _bfd_generic_link_split_section
 433   PARAMS ((bfd *, struct sec *));
 434
 435 /* Generic reloc_link_order processing routine.  */
 436 extern boolean _bfd_generic_reloc_link_order
 437   PARAMS ((bfd *, struct bfd_link_info *, asection *,
 438            struct bfd_link_order *));
 439
 440 /* Default link order processing routine.  */
 441 extern boolean _bfd_default_link_order
 442   PARAMS ((bfd *, struct bfd_link_info *, asection *,
 443            struct bfd_link_order *));
 444
 445 /* Count the number of reloc entries in a link order list.  */
 446 extern unsigned int _bfd_count_link_order_relocs
 447   PARAMS ((struct bfd_link_order *));
 448
 449 /* Final link relocation routine.  */
 450 extern bfd_reloc_status_type _bfd_final_link_relocate
 451   PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *,
 452            bfd_vma address, bfd_vma value, bfd_vma addend));
 453
 454 /* Relocate a particular location by a howto and a value.  */
 455 extern bfd_reloc_status_type _bfd_relocate_contents
 456   PARAMS ((reloc_howto_type *, bfd *, bfd_vma, bfd_byte *));
 457
 458 /* Link stabs in sections in the first pass.  */
 459
 460 extern boolean _bfd_link_section_stabs
 461   PARAMS ((bfd *, PTR *, asection *, asection *, PTR *));
 462
 463 /* Write out the .stab section when linking stabs in sections.  */
 464
 465 extern boolean _bfd_write_section_stabs
 466   PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_byte *));
 467
 468 /* Write out the .stabstr string table when linking stabs in sections.  */
 469
 470 extern boolean _bfd_write_stab_strings PARAMS ((bfd *, PTR *));
 471
 472 /* Find an offset within a .stab section when linking stabs in
 473    sections.  */
 474
 475 extern bfd_vma _bfd_stab_section_offset
 476   PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_vma));
 477
 478 /* Create a string table.  */
 479 extern struct bfd_strtab_hash *_bfd_stringtab_init PARAMS ((void));
 480
 481 /* Create an XCOFF .debug section style string table.  */
 482 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init PARAMS ((void));
 483
 484 /* Free a string table.  */
 485 extern void _bfd_stringtab_free PARAMS ((struct bfd_strtab_hash *));
 486
 487 /* Get the size of a string table.  */
 488 extern bfd_size_type _bfd_stringtab_size PARAMS ((struct bfd_strtab_hash *));
 489
 490 /* Add a string to a string table.  */
 491 extern bfd_size_type _bfd_stringtab_add
 492   PARAMS ((struct bfd_strtab_hash *, const char *, boolean hash,
 493            boolean copy));
 494
 495 /* Write out a string table.  */
 496 extern boolean _bfd_stringtab_emit PARAMS ((bfd *, struct bfd_strtab_hash *));
 497 \f
 498 /* Macros to tell if bfds are read or write enabled.
 499
 500    Note that bfds open for read may be scribbled into if the fd passed
 501    to bfd_fdopenr is actually open both for read and write
 502    simultaneously.  However an output bfd will never be open for
 503    read.  Therefore sometimes you want to check bfd_read_p or
 504    !bfd_read_p, and only sometimes bfd_write_p.
 505 */
 506
 507 #define bfd_read_p(abfd) ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
 508 #define bfd_write_p(abfd) ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
 509
 510 void    bfd_assert PARAMS ((const char*,int));
 511
 512 #define BFD_ASSERT(x) \
 513 { if (!(x)) bfd_assert(__FILE__,__LINE__); }
 514
 515 #define BFD_FAIL() \
 516 { bfd_assert(__FILE__,__LINE__); }
 517
 518 FILE *  bfd_cache_lookup_worker PARAMS ((bfd *));
 519
 520 extern bfd *bfd_last_cache;
 521
 522 /* List of supported target vectors, and the default vector (if
 523    bfd_default_vector[0] is NULL, there is no default).  */
 524 extern const bfd_target * const bfd_target_vector[];
 525 extern const bfd_target *bfd_default_vector[];
 526
 527 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
 528    other common header files.  */
 529
 530 #if defined(__STDC__) || defined(ALMOST_STDC)
 531 struct ecoff_find_line;
 532 #endif
 533
 534 extern boolean _bfd_ecoff_locate_line
 535   PARAMS ((bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
 536            const struct ecoff_debug_swap * const, struct ecoff_find_line *,
 537            const char **, const char **, unsigned int *));
 538 extern boolean _bfd_ecoff_get_accumulated_pdr PARAMS ((PTR, bfd_byte *));
 539 extern boolean _bfd_ecoff_get_accumulated_sym PARAMS ((PTR, bfd_byte *));
 540 extern boolean _bfd_ecoff_get_accumulated_ss PARAMS ((PTR, bfd_byte *));
 541
 542 extern bfd_vma _bfd_get_gp_value PARAMS ((bfd *));
 543 extern void _bfd_set_gp_value PARAMS ((bfd *, bfd_vma));
 544
 545 /* Function shared by the COFF and ELF SH backends, which have no
 546    other common header files.  */
 547
 548 extern boolean _bfd_sh_align_load_span
 549   PARAMS ((bfd *, asection *, bfd_byte *,
 550            boolean (*) (bfd *, asection *, PTR, bfd_byte *, bfd_vma),
 551            PTR, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, boolean *));
 552
 553 /* And more follows */
 554