bfd/libbfd.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, 1997 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 /* Align an address upward to a boundary, expressed as a number of bytes.
  27    E.g. align to an 8-byte boundary with argument of 8.  */
  28 #define BFD_ALIGN(this, boundary) \
  29   ((( (this) + ((boundary) -1)) & (~((boundary)-1))))
  30
  31 /* If you want to read and write large blocks, you might want to do it
  32    in quanta of this amount */
  33 #define DEFAULT_BUFFERSIZE 8192
  34
  35 /* Set a tdata field.  Can't use the other macros for this, since they
  36    do casts, and casting to the left of assignment isn't portable.  */
  37 #define set_tdata(bfd, v) ((bfd)->tdata.any = (PTR) (v))
  38
  39 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
  40    to an instance of this structure.  */
  41
  42 struct bfd_in_memory
  43 {
  44   /* Size of buffer.  */
  45   bfd_size_type size;
  46   /* Buffer holding contents of BFD.  */
  47   bfd_byte *buffer;
  48 };
  49
  50 /* tdata for an archive.  For an input archive, cache
  51    needs to be free()'d.  For an output archive, symdefs do.  */
  52
  53 struct artdata {
  54   file_ptr first_file_filepos;
  55   /* Speed up searching the armap */
  56   struct ar_cache *cache;
  57   bfd *archive_head;            /* Only interesting in output routines */
  58   carsym *symdefs;              /* the symdef entries */
  59   symindex symdef_count;             /* how many there are */
  60   char *extended_names;         /* clever intel extension */
  61   /* when more compilers are standard C, this can be a time_t */
  62   long  armap_timestamp;        /* Timestamp value written into armap.
  63                                    This is used for BSD archives to check
  64                                    that the timestamp is recent enough
  65                                    for the BSD linker to not complain,
  66                                    just before we finish writing an
  67                                    archive.  */
  68   file_ptr armap_datepos;       /* Position within archive to seek to
  69                                    rewrite the date field.  */
  70   PTR tdata;                    /* Backend specific information.  */
  71 };
  72
  73 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
  74
  75 /* Goes in bfd's arelt_data slot */
  76 struct areltdata {
  77   char * arch_header;                        /* it's actually a string */
  78   unsigned int parsed_size;     /* octets of filesize not including ar_hdr */
  79   char *filename;                            /* null-terminated */
  80 };
  81
  82 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
  83
  84 extern PTR bfd_malloc PARAMS ((size_t));
  85 extern PTR bfd_realloc PARAMS ((PTR, size_t));
  86 extern PTR bfd_zmalloc PARAMS ((size_t));
  87
  88 extern bfd_error_handler_type _bfd_error_handler;
  89
  90 /* These routines allocate and free things on the BFD's obstack.  */
  91
  92 PTR     bfd_alloc PARAMS ((bfd *abfd, size_t size));
  93 PTR     bfd_zalloc PARAMS ((bfd *abfd, size_t size));
  94 void    bfd_alloc_grow PARAMS ((bfd *abfd, PTR thing, size_t size));
  95 PTR     bfd_alloc_finish PARAMS ((bfd *abfd));
  96
  97 #define bfd_release(x,y) (void) obstack_free(&(x->memory),y)
  98
  99 bfd *   _bfd_create_empty_archive_element_shell PARAMS ((bfd *obfd));
 100 bfd *   _bfd_look_for_bfd_in_cache PARAMS ((bfd *arch_bfd, file_ptr index));
 101 boolean _bfd_add_bfd_to_archive_cache PARAMS ((bfd *, file_ptr, bfd *));
 102 boolean _bfd_generic_mkarchive PARAMS ((bfd *abfd));
 103 const bfd_target *bfd_generic_archive_p PARAMS ((bfd *abfd));
 104 boolean bfd_slurp_armap PARAMS ((bfd *abfd));
 105 boolean bfd_slurp_bsd_armap_f2 PARAMS ((bfd *abfd));
 106 #define bfd_slurp_bsd_armap bfd_slurp_armap
 107 #define bfd_slurp_coff_armap bfd_slurp_armap
 108 boolean _bfd_slurp_extended_name_table PARAMS ((bfd *abfd));
 109 extern boolean _bfd_construct_extended_name_table
 110   PARAMS ((bfd *, boolean, char **, bfd_size_type *));
 111 boolean _bfd_write_archive_contents PARAMS ((bfd *abfd));
 112 boolean _bfd_compute_and_write_armap PARAMS ((bfd *, unsigned int elength));
 113 bfd *_bfd_get_elt_at_filepos PARAMS ((bfd *archive, file_ptr filepos));
 114 extern bfd *_bfd_generic_get_elt_at_index PARAMS ((bfd *, symindex));
 115 bfd * _bfd_new_bfd PARAMS ((void));
 116
 117 boolean bfd_false PARAMS ((bfd *ignore));
 118 boolean bfd_true PARAMS ((bfd *ignore));
 119 PTR     bfd_nullvoidptr PARAMS ((bfd *ignore));
 120 int     bfd_0 PARAMS ((bfd *ignore));
 121 unsigned int    bfd_0u PARAMS ((bfd *ignore));
 122 long    bfd_0l PARAMS ((bfd *ignore));
 123 long    _bfd_n1 PARAMS ((bfd *ignore));
 124 void    bfd_void PARAMS ((bfd *ignore));
 125
 126 bfd *_bfd_new_bfd_contained_in PARAMS ((bfd *));
 127 const bfd_target *_bfd_dummy_target PARAMS ((bfd *abfd));
 128
 129 void    bfd_dont_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
 130                                         char *hdr));
 131 void    bfd_bsd_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
 132                                         char *hdr));
 133 void    bfd_gnu_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
 134                                         char *hdr));
 135
 136 boolean bsd_write_armap PARAMS ((bfd *arch, unsigned int elength,
 137                                   struct orl *map, unsigned int orl_count, int stridx));
 138
 139 boolean coff_write_armap PARAMS ((bfd *arch, unsigned int elength,
 140                                    struct orl *map, unsigned int orl_count, int stridx));
 141
 142 extern PTR _bfd_generic_read_ar_hdr PARAMS ((bfd *));
 143
 144 extern PTR _bfd_generic_read_ar_hdr_mag PARAMS ((bfd *, const char *));
 145
 146 bfd *   bfd_generic_openr_next_archived_file PARAMS ((bfd *archive,
 147                                                      bfd *last_file));
 148
 149 int     bfd_generic_stat_arch_elt PARAMS ((bfd *, struct stat *));
 150
 151 #define _bfd_read_ar_hdr(abfd) \
 152   BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
 153 \f
 154 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC.  Use
 155    BFD_JUMP_TABLE_GENERIC (_bfd_generic).  */
 156
 157 #define _bfd_generic_close_and_cleanup bfd_true
 158 #define _bfd_generic_bfd_free_cached_info bfd_true
 159 #define _bfd_generic_new_section_hook \
 160   ((boolean (*) PARAMS ((bfd *, asection *))) bfd_true)
 161 extern boolean _bfd_generic_get_section_contents
 162   PARAMS ((bfd *, asection *, PTR location, file_ptr offset,
 163            bfd_size_type count));
 164 extern boolean _bfd_generic_get_section_contents_in_window
 165   PARAMS ((bfd *, asection *, bfd_window *, file_ptr, bfd_size_type));
 166
 167 /* Generic routines to use for BFD_JUMP_TABLE_COPY.  Use
 168    BFD_JUMP_TABLE_COPY (_bfd_generic).  */
 169
 170 #define _bfd_generic_bfd_copy_private_bfd_data \
 171   ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
 172 #define _bfd_generic_bfd_merge_private_bfd_data \
 173   ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
 174 #define _bfd_generic_bfd_set_private_flags \
 175   ((boolean (*) PARAMS ((bfd *, flagword))) bfd_true)
 176 #define _bfd_generic_bfd_copy_private_section_data \
 177   ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true)
 178 #define _bfd_generic_bfd_copy_private_symbol_data \
 179   ((boolean (*) PARAMS ((bfd *, asymbol *, bfd *, asymbol *))) bfd_true)
 180 #define _bfd_generic_bfd_print_private_bfd_data \
 181   ((boolean (*) PARAMS ((bfd *, PTR))) bfd_true)
 182
 183 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
 184    support.  Use BFD_JUMP_TABLE_CORE (_bfd_nocore).  */
 185
 186 extern char *_bfd_nocore_core_file_failing_command PARAMS ((bfd *));
 187 extern int _bfd_nocore_core_file_failing_signal PARAMS ((bfd *));
 188 extern boolean _bfd_nocore_core_file_matches_executable_p
 189   PARAMS ((bfd *, bfd *));
 190
 191 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
 192    file support.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive).  */
 193
 194 #define _bfd_noarchive_slurp_armap bfd_false
 195 #define _bfd_noarchive_slurp_extended_name_table bfd_false
 196 #define _bfd_noarchive_construct_extended_name_table \
 197   ((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
 198    bfd_false)
 199 #define _bfd_noarchive_truncate_arname \
 200   ((void (*) PARAMS ((bfd *, const char *, char *))) bfd_void)
 201 #define _bfd_noarchive_write_armap \
 202   ((boolean (*) \
 203     PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
 204    bfd_false)
 205 #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
 206 #define _bfd_noarchive_openr_next_archived_file \
 207   ((bfd *(*) PARAMS ((bfd *, bfd *))) bfd_nullvoidptr)
 208 #define _bfd_noarchive_get_elt_at_index \
 209   ((bfd *(*) PARAMS ((bfd *, symindex))) bfd_nullvoidptr)
 210 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
 211 #define _bfd_noarchive_update_armap_timestamp bfd_false
 212
 213 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
 214    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd).  */
 215
 216 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
 217 #define _bfd_archive_bsd_slurp_extended_name_table \
 218   _bfd_slurp_extended_name_table
 219 extern boolean _bfd_archive_bsd_construct_extended_name_table
 220   PARAMS ((bfd *, char **, bfd_size_type *, const char **));
 221 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
 222 #define _bfd_archive_bsd_write_armap bsd_write_armap
 223 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
 224 #define _bfd_archive_bsd_openr_next_archived_file \
 225   bfd_generic_openr_next_archived_file
 226 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
 227 #define _bfd_archive_bsd_generic_stat_arch_elt \
 228   bfd_generic_stat_arch_elt
 229 extern boolean _bfd_archive_bsd_update_armap_timestamp PARAMS ((bfd *));
 230
 231 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
 232    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff).  */
 233
 234 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
 235 #define _bfd_archive_coff_slurp_extended_name_table \
 236   _bfd_slurp_extended_name_table
 237 extern boolean _bfd_archive_coff_construct_extended_name_table
 238   PARAMS ((bfd *, char **, bfd_size_type *, const char **));
 239 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
 240 #define _bfd_archive_coff_write_armap coff_write_armap
 241 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
 242 #define _bfd_archive_coff_openr_next_archived_file \
 243   bfd_generic_openr_next_archived_file
 244 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
 245 #define _bfd_archive_coff_generic_stat_arch_elt \
 246   bfd_generic_stat_arch_elt
 247 #define _bfd_archive_coff_update_armap_timestamp bfd_true
 248
 249 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
 250    support.  Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols).  */
 251
 252 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
 253 #define _bfd_nosymbols_get_symtab \
 254   ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
 255 #define _bfd_nosymbols_make_empty_symbol \
 256   ((asymbol *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
 257 #define _bfd_nosymbols_print_symbol \
 258   ((void (*) PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type))) bfd_void)
 259 #define _bfd_nosymbols_get_symbol_info \
 260   ((void (*) PARAMS ((bfd *, asymbol *, symbol_info *))) bfd_void)
 261 #define _bfd_nosymbols_bfd_is_local_label_name \
 262   ((boolean (*) PARAMS ((bfd *, const char *))) bfd_false)
 263 #define _bfd_nosymbols_get_lineno \
 264   ((alent *(*) PARAMS ((bfd *, asymbol *))) bfd_nullvoidptr)
 265 #define _bfd_nosymbols_find_nearest_line \
 266   ((boolean (*) \
 267     PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, \
 268              const char **, unsigned int *))) \
 269    bfd_false)
 270 #define _bfd_nosymbols_bfd_make_debug_symbol \
 271   ((asymbol *(*) PARAMS ((bfd *, PTR, unsigned long))) bfd_nullvoidptr)
 272 #define _bfd_nosymbols_read_minisymbols \
 273   ((long (*) PARAMS ((bfd *, boolean, PTR *, unsigned int *))) _bfd_n1)
 274 #define _bfd_nosymbols_minisymbol_to_symbol \
 275   ((asymbol *(*) PARAMS ((bfd *, boolean, const PTR, asymbol *))) \
 276    bfd_nullvoidptr)
 277
 278 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
 279    support.  Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs).  */
 280
 281 #define _bfd_norelocs_get_reloc_upper_bound \
 282   ((long (*) PARAMS ((bfd *, asection *))) _bfd_n1)
 283 #define _bfd_norelocs_canonicalize_reloc \
 284   ((long (*) PARAMS ((bfd *, asection *, arelent **, asymbol **))) _bfd_n1)
 285 #define _bfd_norelocs_bfd_reloc_type_lookup \
 286   ((reloc_howto_type *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) \
 287    bfd_nullvoidptr)
 288
 289 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
 290    be written.  Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite).  */
 291
 292 #define _bfd_nowrite_set_arch_mach \
 293   ((boolean (*) PARAMS ((bfd *, enum bfd_architecture, unsigned long))) \
 294    bfd_false)
 295 #define _bfd_nowrite_set_section_contents \
 296   ((boolean (*) PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type))) \
 297    bfd_false)
 298
 299 /* Generic routines to use for BFD_JUMP_TABLE_WRITE.  Use
 300    BFD_JUMP_TABLE_WRITE (_bfd_generic).  */
 301
 302 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
 303 extern boolean _bfd_generic_set_section_contents
 304   PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
 305
 306 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
 307    support linking.  Use BFD_JUMP_TABLE_LINK (_bfd_nolink).  */
 308
 309 #define _bfd_nolink_sizeof_headers ((int (*) PARAMS ((bfd *, boolean))) bfd_0)
 310 #define _bfd_nolink_bfd_get_relocated_section_contents \
 311   ((bfd_byte *(*) \
 312     PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, \
 313              bfd_byte *, boolean, asymbol **))) \
 314    bfd_nullvoidptr)
 315 #define _bfd_nolink_bfd_relax_section \
 316   ((boolean (*) \
 317     PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *))) \
 318    bfd_false)
 319 #define _bfd_nolink_bfd_link_hash_table_create \
 320   ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
 321 #define _bfd_nolink_bfd_link_add_symbols \
 322   ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
 323 #define _bfd_nolink_bfd_final_link \
 324   ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
 325 #define _bfd_nolink_bfd_link_split_section \
 326   ((boolean (*) PARAMS ((bfd *, struct sec *))) bfd_false)
 327
 328 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
 329    have dynamic symbols or relocs.  Use BFD_JUMP_TABLE_DYNAMIC
 330    (_bfd_nodynamic).  */
 331
 332 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
 333 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
 334   ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
 335 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
 336 #define _bfd_nodynamic_canonicalize_dynamic_reloc \
 337   ((long (*) PARAMS ((bfd *, arelent **, asymbol **))) _bfd_n1)
 338 \f
 339 /* Generic routine to determine of the given symbol is a local
 340    label.  */
 341 extern boolean bfd_generic_is_local_label_name PARAMS ((bfd *, const char *));
 342
 343 /* Generic minisymbol routines.  */
 344 extern long _bfd_generic_read_minisymbols
 345   PARAMS ((bfd *, boolean, PTR *, unsigned int *));
 346 extern asymbol *_bfd_generic_minisymbol_to_symbol
 347   PARAMS ((bfd *, boolean, const PTR, asymbol *));
 348
 349 /* Find the nearest line using .stab/.stabstr sections.  */
 350 extern boolean _bfd_stab_section_find_nearest_line
 351   PARAMS ((bfd *, asymbol **, asection *, bfd_vma, boolean *, const char **,
 352            const char **, unsigned int *, PTR *));
 353
 354 /* A routine to create entries for a bfd_link_hash_table.  */
 355 extern struct bfd_hash_entry *_bfd_link_hash_newfunc
 356   PARAMS ((struct bfd_hash_entry *entry,
 357            struct bfd_hash_table *table,
 358            const char *string));
 359
 360 /* Initialize a bfd_link_hash_table.  */
 361 extern boolean _bfd_link_hash_table_init
 362   PARAMS ((struct bfd_link_hash_table *, bfd *,
 363            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 364                                        struct bfd_hash_table *,
 365                                        const char *)));
 366
 367 /* Generic link hash table creation routine.  */
 368 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
 369   PARAMS ((bfd *));
 370
 371 /* Generic add symbol routine.  */
 372 extern boolean _bfd_generic_link_add_symbols
 373   PARAMS ((bfd *, struct bfd_link_info *));
 374
 375 /* Generic add symbol routine.  This version is used by targets for
 376    which the linker must collect constructors and destructors by name,
 377    as the collect2 program does.  */
 378 extern boolean _bfd_generic_link_add_symbols_collect
 379   PARAMS ((bfd *, struct bfd_link_info *));
 380
 381 /* Generic archive add symbol routine.  */
 382 extern boolean _bfd_generic_link_add_archive_symbols
 383   PARAMS ((bfd *, struct bfd_link_info *,
 384            boolean (*checkfn) (bfd *, struct bfd_link_info *, boolean *)));
 385
 386
 387
 388 /* Forward declaration to avoid prototype errors.  */
 389 typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
 390
 391 /* Generic routine to add a single symbol.  */
 392 extern boolean _bfd_generic_link_add_one_symbol
 393   PARAMS ((struct bfd_link_info *, bfd *, const char *name, flagword,
 394            asection *, bfd_vma, const char *, boolean copy,
 395            boolean constructor, struct bfd_link_hash_entry **));
 396
 397 /* Generic link routine.  */
 398 extern boolean _bfd_generic_final_link
 399   PARAMS ((bfd *, struct bfd_link_info *));
 400
 401 extern boolean _bfd_generic_link_split_section
 402   PARAMS ((bfd *, struct sec *));
 403
 404 /* Generic reloc_link_order processing routine.  */
 405 extern boolean _bfd_generic_reloc_link_order
 406   PARAMS ((bfd *, struct bfd_link_info *, asection *,
 407            struct bfd_link_order *));
 408
 409 /* Default link order processing routine.  */
 410 extern boolean _bfd_default_link_order
 411   PARAMS ((bfd *, struct bfd_link_info *, asection *,
 412            struct bfd_link_order *));
 413
 414 /* Count the number of reloc entries in a link order list.  */
 415 extern unsigned int _bfd_count_link_order_relocs
 416   PARAMS ((struct bfd_link_order *));
 417
 418 /* Final link relocation routine.  */
 419 extern bfd_reloc_status_type _bfd_final_link_relocate
 420   PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *,
 421            bfd_vma address, bfd_vma value, bfd_vma addend));
 422
 423 /* Relocate a particular location by a howto and a value.  */
 424 extern bfd_reloc_status_type _bfd_relocate_contents
 425   PARAMS ((reloc_howto_type *, bfd *, bfd_vma, bfd_byte *));
 426
 427 /* Link stabs in sections in the first pass.  */
 428
 429 extern boolean _bfd_link_section_stabs
 430   PARAMS ((bfd *, PTR *, asection *, asection *, PTR *));
 431
 432 /* Write out the .stab section when linking stabs in sections.  */
 433
 434 extern boolean _bfd_write_section_stabs
 435   PARAMS ((bfd *, asection *, PTR *, bfd_byte *));
 436
 437 /* Write out the .stabstr string table when linking stabs in sections.  */
 438
 439 extern boolean _bfd_write_stab_strings PARAMS ((bfd *, PTR *));
 440
 441 /* Create a string table.  */
 442 extern struct bfd_strtab_hash *_bfd_stringtab_init PARAMS ((void));
 443
 444 /* Create an XCOFF .debug section style string table.  */
 445 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init PARAMS ((void));
 446
 447 /* Free a string table.  */
 448 extern void _bfd_stringtab_free PARAMS ((struct bfd_strtab_hash *));
 449
 450 /* Get the size of a string table.  */
 451 extern bfd_size_type _bfd_stringtab_size PARAMS ((struct bfd_strtab_hash *));
 452
 453 /* Add a string to a string table.  */
 454 extern bfd_size_type _bfd_stringtab_add
 455   PARAMS ((struct bfd_strtab_hash *, const char *, boolean hash,
 456            boolean copy));
 457
 458 /* Write out a string table.  */
 459 extern boolean _bfd_stringtab_emit PARAMS ((bfd *, struct bfd_strtab_hash *));
 460 \f
 461 /* Macros to tell if bfds are read or write enabled.
 462
 463    Note that bfds open for read may be scribbled into if the fd passed
 464    to bfd_fdopenr is actually open both for read and write
 465    simultaneously.  However an output bfd will never be open for
 466    read.  Therefore sometimes you want to check bfd_read_p or
 467    !bfd_read_p, and only sometimes bfd_write_p.
 468 */
 469
 470 #define bfd_read_p(abfd) ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
 471 #define bfd_write_p(abfd) ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
 472
 473 void    bfd_assert PARAMS ((const char*,int));
 474
 475 #define BFD_ASSERT(x) \
 476 { if (!(x)) bfd_assert(__FILE__,__LINE__); }
 477
 478 #define BFD_FAIL() \
 479 { bfd_assert(__FILE__,__LINE__); }
 480
 481 FILE *  bfd_cache_lookup_worker PARAMS ((bfd *));
 482
 483 extern bfd *bfd_last_cache;
 484
 485 /* List of supported target vectors, and the default vector (if
 486    bfd_default_vector[0] is NULL, there is no default).  */
 487 extern const bfd_target * const bfd_target_vector[];
 488 extern const bfd_target *bfd_default_vector[];
 489
 490 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
 491    other common header files.  */
 492
 493 #if defined(__STDC__) || defined(ALMOST_STDC)
 494 struct ecoff_find_line;
 495 #endif
 496
 497 extern boolean _bfd_ecoff_locate_line
 498   PARAMS ((bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
 499            const struct ecoff_debug_swap * const, struct ecoff_find_line *,
 500            const char **, const char **, unsigned int *));
 501 extern boolean _bfd_ecoff_get_accumulated_pdr PARAMS ((PTR, bfd_byte *));
 502 extern boolean _bfd_ecoff_get_accumulated_sym PARAMS ((PTR, bfd_byte *));
 503 extern boolean _bfd_ecoff_get_accumulated_ss PARAMS ((PTR, bfd_byte *));
 504
 505 extern bfd_vma _bfd_get_gp_value PARAMS ((bfd *));
 506 extern void _bfd_set_gp_value PARAMS ((bfd *, bfd_vma));
 507
 508 /* Function shared by the COFF and ELF SH backends, which have no
 509    other common header files.  */
 510
 511 extern boolean _bfd_sh_align_load_span
 512   PARAMS ((bfd *, asection *, bfd_byte *,
 513            boolean (*) (bfd *, asection *, PTR, bfd_byte *, bfd_vma),
 514            PTR, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, boolean *));
 515
 516 /* And more follows */
 517
 518 void
 519 bfd_write_bigendian_4byte_int PARAMS ((bfd *abfd,  int i));
 520
 521 unsigned int
 522 bfd_log2 PARAMS ((bfd_vma x));
 523
 524 #define BFD_CACHE_MAX_OPEN 10
 525 extern bfd *bfd_last_cache;
 526
 527 #define bfd_cache_lookup(x) \
 528     ((x)==bfd_last_cache? \
 529       (FILE*)(bfd_last_cache->iostream): \
 530        bfd_cache_lookup_worker(x))
 531 boolean
 532 bfd_cache_init  PARAMS ((bfd *abfd));
 533
 534 boolean
 535 bfd_cache_close  PARAMS ((bfd *abfd));
 536
 537 FILE*
 538 bfd_open_file PARAMS ((bfd *abfd));
 539
 540 FILE *
 541 bfd_cache_lookup_worker PARAMS ((bfd *abfd));
 542
 543 #ifdef _BFD_MAKE_TABLE_bfd_reloc_code_real
 544
 545 static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
 546
 547   "BFD_RELOC_64",
 548   "BFD_RELOC_32",
 549   "BFD_RELOC_26",
 550   "BFD_RELOC_24",
 551   "BFD_RELOC_16",
 552   "BFD_RELOC_14",
 553   "BFD_RELOC_8",
 554   "BFD_RELOC_64_PCREL",
 555   "BFD_RELOC_32_PCREL",
 556   "BFD_RELOC_24_PCREL",
 557   "BFD_RELOC_16_PCREL",
 558   "BFD_RELOC_12_PCREL",
 559   "BFD_RELOC_8_PCREL",
 560   "BFD_RELOC_32_GOT_PCREL",
 561   "BFD_RELOC_16_GOT_PCREL",
 562   "BFD_RELOC_8_GOT_PCREL",
 563   "BFD_RELOC_32_GOTOFF",
 564   "BFD_RELOC_16_GOTOFF",
 565   "BFD_RELOC_LO16_GOTOFF",
 566   "BFD_RELOC_HI16_GOTOFF",
 567   "BFD_RELOC_HI16_S_GOTOFF",
 568   "BFD_RELOC_8_GOTOFF",
 569   "BFD_RELOC_32_PLT_PCREL",
 570   "BFD_RELOC_24_PLT_PCREL",
 571   "BFD_RELOC_16_PLT_PCREL",
 572   "BFD_RELOC_8_PLT_PCREL",
 573   "BFD_RELOC_32_PLTOFF",
 574   "BFD_RELOC_16_PLTOFF",
 575   "BFD_RELOC_LO16_PLTOFF",
 576   "BFD_RELOC_HI16_PLTOFF",
 577   "BFD_RELOC_HI16_S_PLTOFF",
 578   "BFD_RELOC_8_PLTOFF",
 579   "BFD_RELOC_68K_GLOB_DAT",
 580   "BFD_RELOC_68K_JMP_SLOT",
 581   "BFD_RELOC_68K_RELATIVE",
 582   "BFD_RELOC_32_BASEREL",
 583   "BFD_RELOC_16_BASEREL",
 584   "BFD_RELOC_LO16_BASEREL",
 585   "BFD_RELOC_HI16_BASEREL",
 586   "BFD_RELOC_HI16_S_BASEREL",
 587   "BFD_RELOC_8_BASEREL",
 588   "BFD_RELOC_RVA",
 589   "BFD_RELOC_8_FFnn",
 590   "BFD_RELOC_32_PCREL_S2",
 591   "BFD_RELOC_16_PCREL_S2",
 592   "BFD_RELOC_23_PCREL_S2",
 593   "BFD_RELOC_HI22",
 594   "BFD_RELOC_LO10",
 595   "BFD_RELOC_GPREL16",
 596   "BFD_RELOC_GPREL32",
 597   "BFD_RELOC_I960_CALLJ",
 598   "BFD_RELOC_NONE",
 599   "BFD_RELOC_SPARC_WDISP22",
 600   "BFD_RELOC_SPARC22",
 601   "BFD_RELOC_SPARC13",
 602   "BFD_RELOC_SPARC_GOT10",
 603   "BFD_RELOC_SPARC_GOT13",
 604   "BFD_RELOC_SPARC_GOT22",
 605   "BFD_RELOC_SPARC_PC10",
 606   "BFD_RELOC_SPARC_PC22",
 607   "BFD_RELOC_SPARC_WPLT30",
 608   "BFD_RELOC_SPARC_COPY",
 609   "BFD_RELOC_SPARC_GLOB_DAT",
 610   "BFD_RELOC_SPARC_JMP_SLOT",
 611   "BFD_RELOC_SPARC_RELATIVE",
 612   "BFD_RELOC_SPARC_UA32",
 613   "BFD_RELOC_SPARC_BASE13",
 614   "BFD_RELOC_SPARC_BASE22",
 615   "BFD_RELOC_SPARC_10",
 616   "BFD_RELOC_SPARC_11",
 617   "BFD_RELOC_SPARC_OLO10",
 618   "BFD_RELOC_SPARC_HH22",
 619   "BFD_RELOC_SPARC_HM10",
 620   "BFD_RELOC_SPARC_LM22",
 621   "BFD_RELOC_SPARC_PC_HH22",
 622   "BFD_RELOC_SPARC_PC_HM10",
 623   "BFD_RELOC_SPARC_PC_LM22",
 624   "BFD_RELOC_SPARC_WDISP16",
 625   "BFD_RELOC_SPARC_WDISP19",
 626   "BFD_RELOC_SPARC_GLOB_JMP",
 627   "BFD_RELOC_SPARC_7",
 628   "BFD_RELOC_SPARC_6",
 629   "BFD_RELOC_SPARC_5",
 630   "BFD_RELOC_ALPHA_GPDISP_HI16",
 631   "BFD_RELOC_ALPHA_GPDISP_LO16",
 632   "BFD_RELOC_ALPHA_GPDISP",
 633   "BFD_RELOC_ALPHA_LITERAL",
 634   "BFD_RELOC_ALPHA_ELF_LITERAL",
 635   "BFD_RELOC_ALPHA_LITUSE",
 636   "BFD_RELOC_ALPHA_HINT",
 637   "BFD_RELOC_ALPHA_LINKAGE",
 638   "BFD_RELOC_ALPHA_CODEADDR",
 639   "BFD_RELOC_MIPS_JMP",
 640   "BFD_RELOC_MIPS16_JMP",
 641   "BFD_RELOC_MIPS16_GPREL",
 642   "BFD_RELOC_HI16",
 643   "BFD_RELOC_HI16_S",
 644   "BFD_RELOC_LO16",
 645   "BFD_RELOC_PCREL_HI16_S",
 646   "BFD_RELOC_PCREL_LO16",
 647   "BFD_RELOC_MIPS_LITERAL",
 648   "BFD_RELOC_MIPS_GOT16",
 649   "BFD_RELOC_MIPS_CALL16",
 650   "BFD_RELOC_MIPS_GOT_HI16",
 651   "BFD_RELOC_MIPS_GOT_LO16",
 652   "BFD_RELOC_MIPS_CALL_HI16",
 653   "BFD_RELOC_MIPS_CALL_LO16",
 654   "BFD_RELOC_386_GOT32",
 655   "BFD_RELOC_386_PLT32",
 656   "BFD_RELOC_386_COPY",
 657   "BFD_RELOC_386_GLOB_DAT",
 658   "BFD_RELOC_386_JUMP_SLOT",
 659   "BFD_RELOC_386_RELATIVE",
 660   "BFD_RELOC_386_GOTOFF",
 661   "BFD_RELOC_386_GOTPC",
 662   "BFD_RELOC_NS32K_IMM_8",
 663   "BFD_RELOC_NS32K_IMM_16",
 664   "BFD_RELOC_NS32K_IMM_32",
 665   "BFD_RELOC_NS32K_IMM_8_PCREL",
 666   "BFD_RELOC_NS32K_IMM_16_PCREL",
 667   "BFD_RELOC_NS32K_IMM_32_PCREL",
 668   "BFD_RELOC_NS32K_DISP_8",
 669   "BFD_RELOC_NS32K_DISP_16",
 670   "BFD_RELOC_NS32K_DISP_32",
 671   "BFD_RELOC_NS32K_DISP_8_PCREL",
 672   "BFD_RELOC_NS32K_DISP_16_PCREL",
 673   "BFD_RELOC_NS32K_DISP_32_PCREL",
 674   "BFD_RELOC_PPC_B26",
 675   "BFD_RELOC_PPC_BA26",
 676   "BFD_RELOC_PPC_TOC16",
 677   "BFD_RELOC_PPC_B16",
 678   "BFD_RELOC_PPC_B16_BRTAKEN",
 679   "BFD_RELOC_PPC_B16_BRNTAKEN",
 680   "BFD_RELOC_PPC_BA16",
 681   "BFD_RELOC_PPC_BA16_BRTAKEN",
 682   "BFD_RELOC_PPC_BA16_BRNTAKEN",
 683   "BFD_RELOC_PPC_COPY",
 684   "BFD_RELOC_PPC_GLOB_DAT",
 685   "BFD_RELOC_PPC_JMP_SLOT",
 686   "BFD_RELOC_PPC_RELATIVE",
 687   "BFD_RELOC_PPC_LOCAL24PC",
 688   "BFD_RELOC_PPC_EMB_NADDR32",
 689   "BFD_RELOC_PPC_EMB_NADDR16",
 690   "BFD_RELOC_PPC_EMB_NADDR16_LO",
 691   "BFD_RELOC_PPC_EMB_NADDR16_HI",
 692   "BFD_RELOC_PPC_EMB_NADDR16_HA",
 693   "BFD_RELOC_PPC_EMB_SDAI16",
 694   "BFD_RELOC_PPC_EMB_SDA2I16",
 695   "BFD_RELOC_PPC_EMB_SDA2REL",
 696   "BFD_RELOC_PPC_EMB_SDA21",
 697   "BFD_RELOC_PPC_EMB_MRKREF",
 698   "BFD_RELOC_PPC_EMB_RELSEC16",
 699   "BFD_RELOC_PPC_EMB_RELST_LO",
 700   "BFD_RELOC_PPC_EMB_RELST_HI",
 701   "BFD_RELOC_PPC_EMB_RELST_HA",
 702   "BFD_RELOC_PPC_EMB_BIT_FLD",
 703   "BFD_RELOC_PPC_EMB_RELSDA",
 704   "BFD_RELOC_CTOR",
 705   "BFD_RELOC_ARM_PCREL_BRANCH",
 706   "BFD_RELOC_ARM_IMMEDIATE",
 707   "BFD_RELOC_ARM_OFFSET_IMM",
 708   "BFD_RELOC_ARM_SHIFT_IMM",
 709   "BFD_RELOC_ARM_SWI",
 710   "BFD_RELOC_ARM_MULTI",
 711   "BFD_RELOC_ARM_CP_OFF_IMM",
 712   "BFD_RELOC_ARM_ADR_IMM",
 713   "BFD_RELOC_ARM_LDR_IMM",
 714   "BFD_RELOC_ARM_LITERAL",
 715   "BFD_RELOC_ARM_IN_POOL",
 716   "BFD_RELOC_ARM_OFFSET_IMM8",
 717   "BFD_RELOC_ARM_HWLITERAL",
 718   "BFD_RELOC_ARM_THUMB_ADD",
 719   "BFD_RELOC_ARM_THUMB_IMM",
 720   "BFD_RELOC_ARM_THUMB_SHIFT",
 721   "BFD_RELOC_ARM_THUMB_OFFSET",
 722   "BFD_RELOC_SH_PCDISP8BY2",
 723   "BFD_RELOC_SH_PCDISP12BY2",
 724   "BFD_RELOC_SH_IMM4",
 725   "BFD_RELOC_SH_IMM4BY2",
 726   "BFD_RELOC_SH_IMM4BY4",
 727   "BFD_RELOC_SH_IMM8",
 728   "BFD_RELOC_SH_IMM8BY2",
 729   "BFD_RELOC_SH_IMM8BY4",
 730   "BFD_RELOC_SH_PCRELIMM8BY2",
 731   "BFD_RELOC_SH_PCRELIMM8BY4",
 732   "BFD_RELOC_SH_SWITCH16",
 733   "BFD_RELOC_SH_SWITCH32",
 734   "BFD_RELOC_SH_USES",
 735   "BFD_RELOC_SH_COUNT",
 736   "BFD_RELOC_SH_ALIGN",
 737   "BFD_RELOC_SH_CODE",
 738   "BFD_RELOC_SH_DATA",
 739   "BFD_RELOC_SH_LABEL",
 740 /* start-sanitize-arc */
 741   "BFD_RELOC_ARC_B22_PCREL",
 742   "BFD_RELOC_ARC_B26",
 743 /* end-sanitize-arc */
 744
 745   "BFD_RELOC_D10V_10_PCREL_R",
 746   "BFD_RELOC_D10V_10_PCREL_L",
 747   "BFD_RELOC_D10V_18",
 748   "BFD_RELOC_D10V_18_PCREL",
 749
 750 /* start-sanitize-d30v */
 751   "BFD_RELOC_D30V_6",
 752   "BFD_RELOC_D30V_15",
 753   "BFD_RELOC_D30V_15_PCREL",
 754   "BFD_RELOC_D30V_21",
 755   "BFD_RELOC_D30V_21_PCREL",
 756   "BFD_RELOC_D30V_32",
 757   "BFD_RELOC_D30V_32_PCREL",
 758 /* end-sanitize-d30v */
 759
 760 /* start-sanitize-m32r */
 761   "BFD_RELOC_M32R_24",
 762   "BFD_RELOC_M32R_10_PCREL",
 763   "BFD_RELOC_M32R_18_PCREL",
 764   "BFD_RELOC_M32R_26_PCREL",
 765   "BFD_RELOC_M32R_HI16_ULO",
 766   "BFD_RELOC_M32R_HI16_SLO",
 767   "BFD_RELOC_M32R_LO16",
 768   "BFD_RELOC_M32R_SDA16",
 769 /* end-sanitize-m32r */
 770
 771 /* start-sanitize-v850 */
 772   "BFD_RELOC_V850_9_PCREL",
 773   "BFD_RELOC_V850_22_PCREL",
 774   "BFD_RELOC_V850_SDA_OFFSET",
 775   "BFD_RELOC_V850_ZDA_OFFSET",
 776   "BFD_RELOC_V850_TDA_OFFSET",
 777 /* end-sanitize-v850 */
 778
 779   "BFD_RELOC_MN10300_32_PCREL",
 780   "BFD_RELOC_MN10300_16_PCREL",
 781  "@@overflow: BFD_RELOC_UNUSED@@",
 782 };
 783 #endif
 784
 785 reloc_howto_type *
 786 bfd_default_reloc_type_lookup
 787  PARAMS ((bfd *abfd, bfd_reloc_code_real_type  code));
 788
 789 boolean
 790 bfd_generic_relax_section
 791  PARAMS ((bfd *abfd,
 792     asection *section,
 793     struct bfd_link_info *,
 794     boolean *));
 795
 796 bfd_byte *
 797
 798 bfd_generic_get_relocated_section_contents  PARAMS ((bfd *abfd,
 799     struct bfd_link_info *link_info,
 800     struct bfd_link_order *link_order,
 801     bfd_byte *data,
 802     boolean relocateable,
 803     asymbol **symbols));
 804
 805 extern const bfd_arch_info_type bfd_default_arch_struct;
 806 boolean
 807 bfd_default_set_arch_mach PARAMS ((bfd *abfd,
 808     enum bfd_architecture arch,
 809     unsigned long mach));
 810
 811 const bfd_arch_info_type *
 812 bfd_default_compatible
 813  PARAMS ((const bfd_arch_info_type *a,
 814     const bfd_arch_info_type *b));
 815
 816 boolean
 817 bfd_default_scan PARAMS ((const struct bfd_arch_info *info, const char *string));
 818
 819 struct elf_internal_shdr *
 820 bfd_elf_find_section  PARAMS ((bfd *abfd, char *name));
 821