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 objalloc.  */
  91
  92 extern PTR bfd_alloc PARAMS ((bfd *, size_t));
  93 extern PTR bfd_zalloc PARAMS ((bfd *, size_t));
  94 extern void bfd_release PARAMS ((bfd *, PTR));
  95
  96 bfd *   _bfd_create_empty_archive_element_shell PARAMS ((bfd *obfd));
  97 bfd *   _bfd_look_for_bfd_in_cache PARAMS ((bfd *arch_bfd, file_ptr index));
  98 boolean _bfd_add_bfd_to_archive_cache PARAMS ((bfd *, file_ptr, bfd *));
  99 boolean _bfd_generic_mkarchive PARAMS ((bfd *abfd));
 100 const bfd_target *bfd_generic_archive_p PARAMS ((bfd *abfd));
 101 boolean bfd_slurp_armap PARAMS ((bfd *abfd));
 102 boolean bfd_slurp_bsd_armap_f2 PARAMS ((bfd *abfd));
 103 #define bfd_slurp_bsd_armap bfd_slurp_armap
 104 #define bfd_slurp_coff_armap bfd_slurp_armap
 105 boolean _bfd_slurp_extended_name_table PARAMS ((bfd *abfd));
 106 extern boolean _bfd_construct_extended_name_table
 107   PARAMS ((bfd *, boolean, char **, bfd_size_type *));
 108 boolean _bfd_write_archive_contents PARAMS ((bfd *abfd));
 109 boolean _bfd_compute_and_write_armap PARAMS ((bfd *, unsigned int elength));
 110 bfd *_bfd_get_elt_at_filepos PARAMS ((bfd *archive, file_ptr filepos));
 111 extern bfd *_bfd_generic_get_elt_at_index PARAMS ((bfd *, symindex));
 112 bfd * _bfd_new_bfd PARAMS ((void));
 113
 114 boolean bfd_false PARAMS ((bfd *ignore));
 115 boolean bfd_true PARAMS ((bfd *ignore));
 116 PTR     bfd_nullvoidptr PARAMS ((bfd *ignore));
 117 int     bfd_0 PARAMS ((bfd *ignore));
 118 unsigned int    bfd_0u PARAMS ((bfd *ignore));
 119 long    bfd_0l PARAMS ((bfd *ignore));
 120 long    _bfd_n1 PARAMS ((bfd *ignore));
 121 void    bfd_void PARAMS ((bfd *ignore));
 122
 123 bfd *_bfd_new_bfd_contained_in PARAMS ((bfd *));
 124 const bfd_target *_bfd_dummy_target PARAMS ((bfd *abfd));
 125
 126 void    bfd_dont_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
 127                                         char *hdr));
 128 void    bfd_bsd_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
 129                                         char *hdr));
 130 void    bfd_gnu_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
 131                                         char *hdr));
 132
 133 boolean bsd_write_armap PARAMS ((bfd *arch, unsigned int elength,
 134                                   struct orl *map, unsigned int orl_count, int stridx));
 135
 136 boolean coff_write_armap PARAMS ((bfd *arch, unsigned int elength,
 137                                    struct orl *map, unsigned int orl_count, int stridx));
 138
 139 extern PTR _bfd_generic_read_ar_hdr PARAMS ((bfd *));
 140
 141 extern PTR _bfd_generic_read_ar_hdr_mag PARAMS ((bfd *, const char *));
 142
 143 bfd *   bfd_generic_openr_next_archived_file PARAMS ((bfd *archive,
 144                                                      bfd *last_file));
 145
 146 int     bfd_generic_stat_arch_elt PARAMS ((bfd *, struct stat *));
 147
 148 #define _bfd_read_ar_hdr(abfd) \
 149   BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
 150 \f
 151 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC.  Use
 152    BFD_JUMP_TABLE_GENERIC (_bfd_generic).  */
 153
 154 #define _bfd_generic_close_and_cleanup bfd_true
 155 #define _bfd_generic_bfd_free_cached_info bfd_true
 156 #define _bfd_generic_new_section_hook \
 157   ((boolean (*) PARAMS ((bfd *, asection *))) bfd_true)
 158 extern boolean _bfd_generic_get_section_contents
 159   PARAMS ((bfd *, asection *, PTR location, file_ptr offset,
 160            bfd_size_type count));
 161 extern boolean _bfd_generic_get_section_contents_in_window
 162   PARAMS ((bfd *, asection *, bfd_window *, file_ptr, bfd_size_type));
 163
 164 /* Generic routines to use for BFD_JUMP_TABLE_COPY.  Use
 165    BFD_JUMP_TABLE_COPY (_bfd_generic).  */
 166
 167 #define _bfd_generic_bfd_copy_private_bfd_data \
 168   ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
 169 #define _bfd_generic_bfd_merge_private_bfd_data \
 170   ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
 171 #define _bfd_generic_bfd_set_private_flags \
 172   ((boolean (*) PARAMS ((bfd *, flagword))) bfd_true)
 173 #define _bfd_generic_bfd_copy_private_section_data \
 174   ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true)
 175 #define _bfd_generic_bfd_copy_private_symbol_data \
 176   ((boolean (*) PARAMS ((bfd *, asymbol *, bfd *, asymbol *))) bfd_true)
 177 #define _bfd_generic_bfd_print_private_bfd_data \
 178   ((boolean (*) PARAMS ((bfd *, PTR))) bfd_true)
 179
 180 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
 181    support.  Use BFD_JUMP_TABLE_CORE (_bfd_nocore).  */
 182
 183 extern char *_bfd_nocore_core_file_failing_command PARAMS ((bfd *));
 184 extern int _bfd_nocore_core_file_failing_signal PARAMS ((bfd *));
 185 extern boolean _bfd_nocore_core_file_matches_executable_p
 186   PARAMS ((bfd *, bfd *));
 187
 188 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
 189    file support.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive).  */
 190
 191 #define _bfd_noarchive_slurp_armap bfd_false
 192 #define _bfd_noarchive_slurp_extended_name_table bfd_false
 193 #define _bfd_noarchive_construct_extended_name_table \
 194   ((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
 195    bfd_false)
 196 #define _bfd_noarchive_truncate_arname \
 197   ((void (*) PARAMS ((bfd *, const char *, char *))) bfd_void)
 198 #define _bfd_noarchive_write_armap \
 199   ((boolean (*) \
 200     PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
 201    bfd_false)
 202 #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
 203 #define _bfd_noarchive_openr_next_archived_file \
 204   ((bfd *(*) PARAMS ((bfd *, bfd *))) bfd_nullvoidptr)
 205 #define _bfd_noarchive_get_elt_at_index \
 206   ((bfd *(*) PARAMS ((bfd *, symindex))) bfd_nullvoidptr)
 207 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
 208 #define _bfd_noarchive_update_armap_timestamp bfd_false
 209
 210 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
 211    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd).  */
 212
 213 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
 214 #define _bfd_archive_bsd_slurp_extended_name_table \
 215   _bfd_slurp_extended_name_table
 216 extern boolean _bfd_archive_bsd_construct_extended_name_table
 217   PARAMS ((bfd *, char **, bfd_size_type *, const char **));
 218 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
 219 #define _bfd_archive_bsd_write_armap bsd_write_armap
 220 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
 221 #define _bfd_archive_bsd_openr_next_archived_file \
 222   bfd_generic_openr_next_archived_file
 223 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
 224 #define _bfd_archive_bsd_generic_stat_arch_elt \
 225   bfd_generic_stat_arch_elt
 226 extern boolean _bfd_archive_bsd_update_armap_timestamp PARAMS ((bfd *));
 227
 228 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
 229    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff).  */
 230
 231 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
 232 #define _bfd_archive_coff_slurp_extended_name_table \
 233   _bfd_slurp_extended_name_table
 234 extern boolean _bfd_archive_coff_construct_extended_name_table
 235   PARAMS ((bfd *, char **, bfd_size_type *, const char **));
 236 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
 237 #define _bfd_archive_coff_write_armap coff_write_armap
 238 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
 239 #define _bfd_archive_coff_openr_next_archived_file \
 240   bfd_generic_openr_next_archived_file
 241 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
 242 #define _bfd_archive_coff_generic_stat_arch_elt \
 243   bfd_generic_stat_arch_elt
 244 #define _bfd_archive_coff_update_armap_timestamp bfd_true
 245
 246 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
 247    support.  Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols).  */
 248
 249 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
 250 #define _bfd_nosymbols_get_symtab \
 251   ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
 252 #define _bfd_nosymbols_make_empty_symbol \
 253   ((asymbol *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
 254 #define _bfd_nosymbols_print_symbol \
 255   ((void (*) PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type))) bfd_void)
 256 #define _bfd_nosymbols_get_symbol_info \
 257   ((void (*) PARAMS ((bfd *, asymbol *, symbol_info *))) bfd_void)
 258 #define _bfd_nosymbols_bfd_is_local_label_name \
 259   ((boolean (*) PARAMS ((bfd *, const char *))) bfd_false)
 260 #define _bfd_nosymbols_get_lineno \
 261   ((alent *(*) PARAMS ((bfd *, asymbol *))) bfd_nullvoidptr)
 262 #define _bfd_nosymbols_find_nearest_line \
 263   ((boolean (*) \
 264     PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, \
 265              const char **, unsigned int *))) \
 266    bfd_false)
 267 #define _bfd_nosymbols_bfd_make_debug_symbol \
 268   ((asymbol *(*) PARAMS ((bfd *, PTR, unsigned long))) bfd_nullvoidptr)
 269 #define _bfd_nosymbols_read_minisymbols \
 270   ((long (*) PARAMS ((bfd *, boolean, PTR *, unsigned int *))) _bfd_n1)
 271 #define _bfd_nosymbols_minisymbol_to_symbol \
 272   ((asymbol *(*) PARAMS ((bfd *, boolean, const PTR, asymbol *))) \
 273    bfd_nullvoidptr)
 274
 275 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
 276    support.  Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs).  */
 277
 278 #define _bfd_norelocs_get_reloc_upper_bound \
 279   ((long (*) PARAMS ((bfd *, asection *))) _bfd_n1)
 280 #define _bfd_norelocs_canonicalize_reloc \
 281   ((long (*) PARAMS ((bfd *, asection *, arelent **, asymbol **))) _bfd_n1)
 282 #define _bfd_norelocs_bfd_reloc_type_lookup \
 283   ((reloc_howto_type *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) \
 284    bfd_nullvoidptr)
 285
 286 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
 287    be written.  Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite).  */
 288
 289 #define _bfd_nowrite_set_arch_mach \
 290   ((boolean (*) PARAMS ((bfd *, enum bfd_architecture, unsigned long))) \
 291    bfd_false)
 292 #define _bfd_nowrite_set_section_contents \
 293   ((boolean (*) PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type))) \
 294    bfd_false)
 295
 296 /* Generic routines to use for BFD_JUMP_TABLE_WRITE.  Use
 297    BFD_JUMP_TABLE_WRITE (_bfd_generic).  */
 298
 299 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
 300 extern boolean _bfd_generic_set_section_contents
 301   PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
 302
 303 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
 304    support linking.  Use BFD_JUMP_TABLE_LINK (_bfd_nolink).  */
 305
 306 #define _bfd_nolink_sizeof_headers ((int (*) PARAMS ((bfd *, boolean))) bfd_0)
 307 #define _bfd_nolink_bfd_get_relocated_section_contents \
 308   ((bfd_byte *(*) \
 309     PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, \
 310              bfd_byte *, boolean, asymbol **))) \
 311    bfd_nullvoidptr)
 312 #define _bfd_nolink_bfd_relax_section \
 313   ((boolean (*) \
 314     PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *))) \
 315    bfd_false)
 316 #define _bfd_nolink_bfd_link_hash_table_create \
 317   ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
 318 #define _bfd_nolink_bfd_link_add_symbols \
 319   ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
 320 #define _bfd_nolink_bfd_final_link \
 321   ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
 322 #define _bfd_nolink_bfd_link_split_section \
 323   ((boolean (*) PARAMS ((bfd *, struct sec *))) bfd_false)
 324
 325 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
 326    have dynamic symbols or relocs.  Use BFD_JUMP_TABLE_DYNAMIC
 327    (_bfd_nodynamic).  */
 328
 329 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
 330 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
 331   ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
 332 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
 333 #define _bfd_nodynamic_canonicalize_dynamic_reloc \
 334   ((long (*) PARAMS ((bfd *, arelent **, asymbol **))) _bfd_n1)
 335 \f
 336 /* Generic routine to determine of the given symbol is a local
 337    label.  */
 338 extern boolean bfd_generic_is_local_label_name PARAMS ((bfd *, const char *));
 339
 340 /* Generic minisymbol routines.  */
 341 extern long _bfd_generic_read_minisymbols
 342   PARAMS ((bfd *, boolean, PTR *, unsigned int *));
 343 extern asymbol *_bfd_generic_minisymbol_to_symbol
 344   PARAMS ((bfd *, boolean, const PTR, asymbol *));
 345
 346 /* Find the nearest line using .stab/.stabstr sections.  */
 347 extern boolean _bfd_stab_section_find_nearest_line
 348   PARAMS ((bfd *, asymbol **, asection *, bfd_vma, boolean *, const char **,
 349            const char **, unsigned int *, PTR *));
 350
 351 /* A routine to create entries for a bfd_link_hash_table.  */
 352 extern struct bfd_hash_entry *_bfd_link_hash_newfunc
 353   PARAMS ((struct bfd_hash_entry *entry,
 354            struct bfd_hash_table *table,
 355            const char *string));
 356
 357 /* Initialize a bfd_link_hash_table.  */
 358 extern boolean _bfd_link_hash_table_init
 359   PARAMS ((struct bfd_link_hash_table *, bfd *,
 360            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 361                                        struct bfd_hash_table *,
 362                                        const char *)));
 363
 364 /* Generic link hash table creation routine.  */
 365 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
 366   PARAMS ((bfd *));
 367
 368 /* Generic add symbol routine.  */
 369 extern boolean _bfd_generic_link_add_symbols
 370   PARAMS ((bfd *, struct bfd_link_info *));
 371
 372 /* Generic add symbol routine.  This version is used by targets for
 373    which the linker must collect constructors and destructors by name,
 374    as the collect2 program does.  */
 375 extern boolean _bfd_generic_link_add_symbols_collect
 376   PARAMS ((bfd *, struct bfd_link_info *));
 377
 378 /* Generic archive add symbol routine.  */
 379 extern boolean _bfd_generic_link_add_archive_symbols
 380   PARAMS ((bfd *, struct bfd_link_info *,
 381            boolean (*checkfn) (bfd *, struct bfd_link_info *, boolean *)));
 382
 383
 384
 385 /* Forward declaration to avoid prototype errors.  */
 386 typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
 387
 388 /* Generic routine to add a single symbol.  */
 389 extern boolean _bfd_generic_link_add_one_symbol
 390   PARAMS ((struct bfd_link_info *, bfd *, const char *name, flagword,
 391            asection *, bfd_vma, const char *, boolean copy,
 392            boolean constructor, struct bfd_link_hash_entry **));
 393
 394 /* Generic link routine.  */
 395 extern boolean _bfd_generic_final_link
 396   PARAMS ((bfd *, struct bfd_link_info *));
 397
 398 extern boolean _bfd_generic_link_split_section
 399   PARAMS ((bfd *, struct sec *));
 400
 401 /* Generic reloc_link_order processing routine.  */
 402 extern boolean _bfd_generic_reloc_link_order
 403   PARAMS ((bfd *, struct bfd_link_info *, asection *,
 404            struct bfd_link_order *));
 405
 406 /* Default link order processing routine.  */
 407 extern boolean _bfd_default_link_order
 408   PARAMS ((bfd *, struct bfd_link_info *, asection *,
 409            struct bfd_link_order *));
 410
 411 /* Count the number of reloc entries in a link order list.  */
 412 extern unsigned int _bfd_count_link_order_relocs
 413   PARAMS ((struct bfd_link_order *));
 414
 415 /* Final link relocation routine.  */
 416 extern bfd_reloc_status_type _bfd_final_link_relocate
 417   PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *,
 418            bfd_vma address, bfd_vma value, bfd_vma addend));
 419
 420 /* Relocate a particular location by a howto and a value.  */
 421 extern bfd_reloc_status_type _bfd_relocate_contents
 422   PARAMS ((reloc_howto_type *, bfd *, bfd_vma, bfd_byte *));
 423
 424 /* Link stabs in sections in the first pass.  */
 425
 426 extern boolean _bfd_link_section_stabs
 427   PARAMS ((bfd *, PTR *, asection *, asection *, PTR *));
 428
 429 /* Write out the .stab section when linking stabs in sections.  */
 430
 431 extern boolean _bfd_write_section_stabs
 432   PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_byte *));
 433
 434 /* Write out the .stabstr string table when linking stabs in sections.  */
 435
 436 extern boolean _bfd_write_stab_strings PARAMS ((bfd *, PTR *));
 437
 438 /* Find an offset within a .stab section when linking stabs in
 439    sections.  */
 440
 441 extern bfd_vma _bfd_stab_section_offset
 442   PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_vma));
 443
 444 /* Create a string table.  */
 445 extern struct bfd_strtab_hash *_bfd_stringtab_init PARAMS ((void));
 446
 447 /* Create an XCOFF .debug section style string table.  */
 448 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init PARAMS ((void));
 449
 450 /* Free a string table.  */
 451 extern void _bfd_stringtab_free PARAMS ((struct bfd_strtab_hash *));
 452
 453 /* Get the size of a string table.  */
 454 extern bfd_size_type _bfd_stringtab_size PARAMS ((struct bfd_strtab_hash *));
 455
 456 /* Add a string to a string table.  */
 457 extern bfd_size_type _bfd_stringtab_add
 458   PARAMS ((struct bfd_strtab_hash *, const char *, boolean hash,
 459            boolean copy));
 460
 461 /* Write out a string table.  */
 462 extern boolean _bfd_stringtab_emit PARAMS ((bfd *, struct bfd_strtab_hash *));
 463 \f
 464 /* Macros to tell if bfds are read or write enabled.
 465
 466    Note that bfds open for read may be scribbled into if the fd passed
 467    to bfd_fdopenr is actually open both for read and write
 468    simultaneously.  However an output bfd will never be open for
 469    read.  Therefore sometimes you want to check bfd_read_p or
 470    !bfd_read_p, and only sometimes bfd_write_p.
 471 */
 472
 473 #define bfd_read_p(abfd) ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
 474 #define bfd_write_p(abfd) ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
 475
 476 void    bfd_assert PARAMS ((const char*,int));
 477
 478 #define BFD_ASSERT(x) \
 479 { if (!(x)) bfd_assert(__FILE__,__LINE__); }
 480
 481 #define BFD_FAIL() \
 482 { bfd_assert(__FILE__,__LINE__); }
 483
 484 FILE *  bfd_cache_lookup_worker PARAMS ((bfd *));
 485
 486 extern bfd *bfd_last_cache;
 487
 488 /* List of supported target vectors, and the default vector (if
 489    bfd_default_vector[0] is NULL, there is no default).  */
 490 extern const bfd_target * const bfd_target_vector[];
 491 extern const bfd_target *bfd_default_vector[];
 492
 493 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
 494    other common header files.  */
 495
 496 #if defined(__STDC__) || defined(ALMOST_STDC)
 497 struct ecoff_find_line;
 498 #endif
 499
 500 extern boolean _bfd_ecoff_locate_line
 501   PARAMS ((bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
 502            const struct ecoff_debug_swap * const, struct ecoff_find_line *,
 503            const char **, const char **, unsigned int *));
 504 extern boolean _bfd_ecoff_get_accumulated_pdr PARAMS ((PTR, bfd_byte *));
 505 extern boolean _bfd_ecoff_get_accumulated_sym PARAMS ((PTR, bfd_byte *));
 506 extern boolean _bfd_ecoff_get_accumulated_ss PARAMS ((PTR, bfd_byte *));
 507
 508 extern bfd_vma _bfd_get_gp_value PARAMS ((bfd *));
 509 extern void _bfd_set_gp_value PARAMS ((bfd *, bfd_vma));
 510
 511 /* Function shared by the COFF and ELF SH backends, which have no
 512    other common header files.  */
 513
 514 extern boolean _bfd_sh_align_load_span
 515   PARAMS ((bfd *, asection *, bfd_byte *,
 516            boolean (*) (bfd *, asection *, PTR, bfd_byte *, bfd_vma),
 517            PTR, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, boolean *));
 518
 519 /* And more follows */
 520
 521 void
 522 bfd_write_bigendian_4byte_int PARAMS ((bfd *abfd,  int i));
 523
 524 unsigned int
 525 bfd_log2 PARAMS ((bfd_vma x));
 526
 527 #define BFD_CACHE_MAX_OPEN 10
 528 extern bfd *bfd_last_cache;
 529
 530 #define bfd_cache_lookup(x) \
 531     ((x)==bfd_last_cache? \
 532       (FILE*)(bfd_last_cache->iostream): \
 533        bfd_cache_lookup_worker(x))
 534 boolean
 535 bfd_cache_init  PARAMS ((bfd *abfd));
 536
 537 boolean
 538 bfd_cache_close  PARAMS ((bfd *abfd));
 539
 540 FILE*
 541 bfd_open_file PARAMS ((bfd *abfd));
 542
 543 FILE *
 544 bfd_cache_lookup_worker PARAMS ((bfd *abfd));
 545
 546 #ifdef _BFD_MAKE_TABLE_bfd_reloc_code_real
 547
 548 static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
 549
 550   "BFD_RELOC_64",
 551   "BFD_RELOC_32",
 552   "BFD_RELOC_26",
 553   "BFD_RELOC_24",
 554   "BFD_RELOC_16",
 555   "BFD_RELOC_14",
 556   "BFD_RELOC_8",
 557   "BFD_RELOC_64_PCREL",
 558   "BFD_RELOC_32_PCREL",
 559   "BFD_RELOC_24_PCREL",
 560   "BFD_RELOC_16_PCREL",
 561   "BFD_RELOC_12_PCREL",
 562   "BFD_RELOC_8_PCREL",
 563   "BFD_RELOC_32_GOT_PCREL",
 564   "BFD_RELOC_16_GOT_PCREL",
 565   "BFD_RELOC_8_GOT_PCREL",
 566   "BFD_RELOC_32_GOTOFF",
 567   "BFD_RELOC_16_GOTOFF",
 568   "BFD_RELOC_LO16_GOTOFF",
 569   "BFD_RELOC_HI16_GOTOFF",
 570   "BFD_RELOC_HI16_S_GOTOFF",
 571   "BFD_RELOC_8_GOTOFF",
 572   "BFD_RELOC_32_PLT_PCREL",
 573   "BFD_RELOC_24_PLT_PCREL",
 574   "BFD_RELOC_16_PLT_PCREL",
 575   "BFD_RELOC_8_PLT_PCREL",
 576   "BFD_RELOC_32_PLTOFF",
 577   "BFD_RELOC_16_PLTOFF",
 578   "BFD_RELOC_LO16_PLTOFF",
 579   "BFD_RELOC_HI16_PLTOFF",
 580   "BFD_RELOC_HI16_S_PLTOFF",
 581   "BFD_RELOC_8_PLTOFF",
 582   "BFD_RELOC_68K_GLOB_DAT",
 583   "BFD_RELOC_68K_JMP_SLOT",
 584   "BFD_RELOC_68K_RELATIVE",
 585   "BFD_RELOC_32_BASEREL",
 586   "BFD_RELOC_16_BASEREL",
 587   "BFD_RELOC_LO16_BASEREL",
 588   "BFD_RELOC_HI16_BASEREL",
 589   "BFD_RELOC_HI16_S_BASEREL",
 590   "BFD_RELOC_8_BASEREL",
 591   "BFD_RELOC_RVA",
 592   "BFD_RELOC_8_FFnn",
 593   "BFD_RELOC_32_PCREL_S2",
 594   "BFD_RELOC_16_PCREL_S2",
 595   "BFD_RELOC_23_PCREL_S2",
 596   "BFD_RELOC_HI22",
 597   "BFD_RELOC_LO10",
 598   "BFD_RELOC_GPREL16",
 599   "BFD_RELOC_GPREL32",
 600   "BFD_RELOC_I960_CALLJ",
 601   "BFD_RELOC_NONE",
 602   "BFD_RELOC_SPARC_WDISP22",
 603   "BFD_RELOC_SPARC22",
 604   "BFD_RELOC_SPARC13",
 605   "BFD_RELOC_SPARC_GOT10",
 606   "BFD_RELOC_SPARC_GOT13",
 607   "BFD_RELOC_SPARC_GOT22",
 608   "BFD_RELOC_SPARC_PC10",
 609   "BFD_RELOC_SPARC_PC22",
 610   "BFD_RELOC_SPARC_WPLT30",
 611   "BFD_RELOC_SPARC_COPY",
 612   "BFD_RELOC_SPARC_GLOB_DAT",
 613   "BFD_RELOC_SPARC_JMP_SLOT",
 614   "BFD_RELOC_SPARC_RELATIVE",
 615   "BFD_RELOC_SPARC_UA32",
 616   "BFD_RELOC_SPARC_BASE13",
 617   "BFD_RELOC_SPARC_BASE22",
 618   "BFD_RELOC_SPARC_10",
 619   "BFD_RELOC_SPARC_11",
 620   "BFD_RELOC_SPARC_OLO10",
 621   "BFD_RELOC_SPARC_HH22",
 622   "BFD_RELOC_SPARC_HM10",
 623   "BFD_RELOC_SPARC_LM22",
 624   "BFD_RELOC_SPARC_PC_HH22",
 625   "BFD_RELOC_SPARC_PC_HM10",
 626   "BFD_RELOC_SPARC_PC_LM22",
 627   "BFD_RELOC_SPARC_WDISP16",
 628   "BFD_RELOC_SPARC_WDISP19",
 629   "BFD_RELOC_SPARC_7",
 630   "BFD_RELOC_SPARC_6",
 631   "BFD_RELOC_SPARC_5",
 632   "BFD_RELOC_ALPHA_GPDISP_HI16",
 633   "BFD_RELOC_ALPHA_GPDISP_LO16",
 634   "BFD_RELOC_ALPHA_GPDISP",
 635   "BFD_RELOC_ALPHA_LITERAL",
 636   "BFD_RELOC_ALPHA_ELF_LITERAL",
 637   "BFD_RELOC_ALPHA_LITUSE",
 638   "BFD_RELOC_ALPHA_HINT",
 639   "BFD_RELOC_ALPHA_LINKAGE",
 640   "BFD_RELOC_ALPHA_CODEADDR",
 641   "BFD_RELOC_MIPS_JMP",
 642   "BFD_RELOC_MIPS16_JMP",
 643   "BFD_RELOC_MIPS16_GPREL",
 644   "BFD_RELOC_HI16",
 645   "BFD_RELOC_HI16_S",
 646   "BFD_RELOC_LO16",
 647   "BFD_RELOC_PCREL_HI16_S",
 648   "BFD_RELOC_PCREL_LO16",
 649   "BFD_RELOC_MIPS_LITERAL",
 650   "BFD_RELOC_MIPS_GOT16",
 651   "BFD_RELOC_MIPS_CALL16",
 652   "BFD_RELOC_MIPS_GOT_HI16",
 653   "BFD_RELOC_MIPS_GOT_LO16",
 654   "BFD_RELOC_MIPS_CALL_HI16",
 655   "BFD_RELOC_MIPS_CALL_LO16",
 656   "BFD_RELOC_386_GOT32",
 657   "BFD_RELOC_386_PLT32",
 658   "BFD_RELOC_386_COPY",
 659   "BFD_RELOC_386_GLOB_DAT",
 660   "BFD_RELOC_386_JUMP_SLOT",
 661   "BFD_RELOC_386_RELATIVE",
 662   "BFD_RELOC_386_GOTOFF",
 663   "BFD_RELOC_386_GOTPC",
 664   "BFD_RELOC_NS32K_IMM_8",
 665   "BFD_RELOC_NS32K_IMM_16",
 666   "BFD_RELOC_NS32K_IMM_32",
 667   "BFD_RELOC_NS32K_IMM_8_PCREL",
 668   "BFD_RELOC_NS32K_IMM_16_PCREL",
 669   "BFD_RELOC_NS32K_IMM_32_PCREL",
 670   "BFD_RELOC_NS32K_DISP_8",
 671   "BFD_RELOC_NS32K_DISP_16",
 672   "BFD_RELOC_NS32K_DISP_32",
 673   "BFD_RELOC_NS32K_DISP_8_PCREL",
 674   "BFD_RELOC_NS32K_DISP_16_PCREL",
 675   "BFD_RELOC_NS32K_DISP_32_PCREL",
 676   "BFD_RELOC_PPC_B26",
 677   "BFD_RELOC_PPC_BA26",
 678   "BFD_RELOC_PPC_TOC16",
 679   "BFD_RELOC_PPC_B16",
 680   "BFD_RELOC_PPC_B16_BRTAKEN",
 681   "BFD_RELOC_PPC_B16_BRNTAKEN",
 682   "BFD_RELOC_PPC_BA16",
 683   "BFD_RELOC_PPC_BA16_BRTAKEN",
 684   "BFD_RELOC_PPC_BA16_BRNTAKEN",
 685   "BFD_RELOC_PPC_COPY",
 686   "BFD_RELOC_PPC_GLOB_DAT",
 687   "BFD_RELOC_PPC_JMP_SLOT",
 688   "BFD_RELOC_PPC_RELATIVE",
 689   "BFD_RELOC_PPC_LOCAL24PC",
 690   "BFD_RELOC_PPC_EMB_NADDR32",
 691   "BFD_RELOC_PPC_EMB_NADDR16",
 692   "BFD_RELOC_PPC_EMB_NADDR16_LO",
 693   "BFD_RELOC_PPC_EMB_NADDR16_HI",
 694   "BFD_RELOC_PPC_EMB_NADDR16_HA",
 695   "BFD_RELOC_PPC_EMB_SDAI16",
 696   "BFD_RELOC_PPC_EMB_SDA2I16",
 697   "BFD_RELOC_PPC_EMB_SDA2REL",
 698   "BFD_RELOC_PPC_EMB_SDA21",
 699   "BFD_RELOC_PPC_EMB_MRKREF",
 700   "BFD_RELOC_PPC_EMB_RELSEC16",
 701   "BFD_RELOC_PPC_EMB_RELST_LO",
 702   "BFD_RELOC_PPC_EMB_RELST_HI",
 703   "BFD_RELOC_PPC_EMB_RELST_HA",
 704   "BFD_RELOC_PPC_EMB_BIT_FLD",
 705   "BFD_RELOC_PPC_EMB_RELSDA",
 706   "BFD_RELOC_CTOR",
 707   "BFD_RELOC_ARM_PCREL_BRANCH",
 708   "BFD_RELOC_ARM_IMMEDIATE",
 709   "BFD_RELOC_ARM_OFFSET_IMM",
 710   "BFD_RELOC_ARM_SHIFT_IMM",
 711   "BFD_RELOC_ARM_SWI",
 712   "BFD_RELOC_ARM_MULTI",
 713   "BFD_RELOC_ARM_CP_OFF_IMM",
 714   "BFD_RELOC_ARM_ADR_IMM",
 715   "BFD_RELOC_ARM_LDR_IMM",
 716   "BFD_RELOC_ARM_LITERAL",
 717   "BFD_RELOC_ARM_IN_POOL",
 718   "BFD_RELOC_ARM_OFFSET_IMM8",
 719   "BFD_RELOC_ARM_HWLITERAL",
 720   "BFD_RELOC_ARM_THUMB_ADD",
 721   "BFD_RELOC_ARM_THUMB_IMM",
 722   "BFD_RELOC_ARM_THUMB_SHIFT",
 723   "BFD_RELOC_ARM_THUMB_OFFSET",
 724   "BFD_RELOC_SH_PCDISP8BY2",
 725   "BFD_RELOC_SH_PCDISP12BY2",
 726   "BFD_RELOC_SH_IMM4",
 727   "BFD_RELOC_SH_IMM4BY2",
 728   "BFD_RELOC_SH_IMM4BY4",
 729   "BFD_RELOC_SH_IMM8",
 730   "BFD_RELOC_SH_IMM8BY2",
 731   "BFD_RELOC_SH_IMM8BY4",
 732   "BFD_RELOC_SH_PCRELIMM8BY2",
 733   "BFD_RELOC_SH_PCRELIMM8BY4",
 734   "BFD_RELOC_SH_SWITCH16",
 735   "BFD_RELOC_SH_SWITCH32",
 736   "BFD_RELOC_SH_USES",
 737   "BFD_RELOC_SH_COUNT",
 738   "BFD_RELOC_SH_ALIGN",
 739   "BFD_RELOC_SH_CODE",
 740   "BFD_RELOC_SH_DATA",
 741   "BFD_RELOC_SH_LABEL",
 742   "BFD_RELOC_THUMB_PCREL_BRANCH9",
 743   "BFD_RELOC_THUMB_PCREL_BRANCH12",
 744   "BFD_RELOC_THUMB_PCREL_BRANCH23",
 745   "BFD_RELOC_ARC_B22_PCREL",
 746   "BFD_RELOC_ARC_B26",
 747   "BFD_RELOC_D10V_10_PCREL_R",
 748   "BFD_RELOC_D10V_10_PCREL_L",
 749   "BFD_RELOC_D10V_18",
 750   "BFD_RELOC_D10V_18_PCREL",
 751
 752 /* start-sanitize-d30v */
 753   "BFD_RELOC_D30V_6",
 754   "BFD_RELOC_D30V_9_PCREL",
 755   "BFD_RELOC_D30V_9_PCREL_R",
 756   "BFD_RELOC_D30V_15",
 757   "BFD_RELOC_D30V_15_PCREL",
 758   "BFD_RELOC_D30V_15_PCREL_R",
 759   "BFD_RELOC_D30V_21",
 760   "BFD_RELOC_D30V_21_PCREL",
 761   "BFD_RELOC_D30V_21_PCREL_R",
 762   "BFD_RELOC_D30V_32",
 763   "BFD_RELOC_D30V_32_PCREL",
 764 /* end-sanitize-d30v */
 765
 766   "BFD_RELOC_M32R_24",
 767   "BFD_RELOC_M32R_10_PCREL",
 768   "BFD_RELOC_M32R_18_PCREL",
 769   "BFD_RELOC_M32R_26_PCREL",
 770   "BFD_RELOC_M32R_HI16_ULO",
 771   "BFD_RELOC_M32R_HI16_SLO",
 772   "BFD_RELOC_M32R_LO16",
 773   "BFD_RELOC_M32R_SDA16",
 774   "BFD_RELOC_V850_9_PCREL",
 775   "BFD_RELOC_V850_22_PCREL",
 776   "BFD_RELOC_V850_SDA_16_16_OFFSET",
 777   "BFD_RELOC_V850_SDA_15_16_OFFSET",
 778   "BFD_RELOC_V850_ZDA_16_16_OFFSET",
 779   "BFD_RELOC_V850_ZDA_15_16_OFFSET",
 780   "BFD_RELOC_V850_TDA_6_8_OFFSET",
 781   "BFD_RELOC_V850_TDA_7_8_OFFSET",
 782   "BFD_RELOC_V850_TDA_7_7_OFFSET",
 783   "BFD_RELOC_V850_TDA_16_16_OFFSET",
 784 /* start-sanitize-v850e */
 785   "BFD_RELOC_V850_TDA_4_5_OFFSET",
 786   "BFD_RELOC_V850_TDA_4_4_OFFSET",
 787   "BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET",
 788   "BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET",
 789   "BFD_RELOC_V850_CALLT_6_7_OFFSET",
 790   "BFD_RELOC_V850_CALLT_16_16_OFFSET",
 791 /* end-sanitize-v850e */
 792
 793   "BFD_RELOC_MN10300_32_PCREL",
 794   "BFD_RELOC_MN10300_16_PCREL",
 795  "@@overflow: BFD_RELOC_UNUSED@@",
 796 };
 797 #endif
 798
 799 reloc_howto_type *
 800 bfd_default_reloc_type_lookup
 801  PARAMS ((bfd *abfd, bfd_reloc_code_real_type  code));
 802
 803 boolean
 804 bfd_generic_relax_section
 805  PARAMS ((bfd *abfd,
 806     asection *section,
 807     struct bfd_link_info *,
 808     boolean *));
 809
 810 bfd_byte *
 811
 812 bfd_generic_get_relocated_section_contents  PARAMS ((bfd *abfd,
 813     struct bfd_link_info *link_info,
 814     struct bfd_link_order *link_order,
 815     bfd_byte *data,
 816     boolean relocateable,
 817     asymbol **symbols));
 818
 819 extern const bfd_arch_info_type bfd_default_arch_struct;
 820 boolean
 821 bfd_default_set_arch_mach PARAMS ((bfd *abfd,
 822     enum bfd_architecture arch,
 823     unsigned long mach));
 824
 825 const bfd_arch_info_type *
 826 bfd_default_compatible
 827  PARAMS ((const bfd_arch_info_type *a,
 828     const bfd_arch_info_type *b));
 829
 830 boolean
 831 bfd_default_scan PARAMS ((const struct bfd_arch_info *info, const char *string));
 832
 833 struct elf_internal_shdr *
 834 bfd_elf_find_section  PARAMS ((bfd *abfd, char *name));
 835