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.  Take care never
  28    to wrap around if the address is within boundary-1 of the end of the
  29    address space.  */
  30 #define BFD_ALIGN(this, boundary)                                       \
  31   ((((this) + (boundary) - 1) >= (this))                                \
  32    ? (((this) + ((boundary) - 1)) & (~((boundary)-1)))                  \
  33    : ~ (bfd_vma) 0)
  34
  35 /* If you want to read and write large blocks, you might want to do it
  36    in quanta of this amount */
  37 #define DEFAULT_BUFFERSIZE 8192
  38
  39 /* Set a tdata field.  Can't use the other macros for this, since they
  40    do casts, and casting to the left of assignment isn't portable.  */
  41 #define set_tdata(bfd, v) ((bfd)->tdata.any = (PTR) (v))
  42
  43 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
  44    to an instance of this structure.  */
  45
  46 struct bfd_in_memory
  47 {
  48   /* Size of buffer.  */
  49   bfd_size_type size;
  50   /* Buffer holding contents of BFD.  */
  51   bfd_byte *buffer;
  52 };
  53
  54 /* tdata for an archive.  For an input archive, cache
  55    needs to be free()'d.  For an output archive, symdefs do.  */
  56
  57 struct artdata {
  58   file_ptr first_file_filepos;
  59   /* Speed up searching the armap */
  60   struct ar_cache *cache;
  61   bfd *archive_head;            /* Only interesting in output routines */
  62   carsym *symdefs;              /* the symdef entries */
  63   symindex symdef_count;             /* how many there are */
  64   char *extended_names;         /* clever intel extension */
  65   /* when more compilers are standard C, this can be a time_t */
  66   long  armap_timestamp;        /* Timestamp value written into armap.
  67                                    This is used for BSD archives to check
  68                                    that the timestamp is recent enough
  69                                    for the BSD linker to not complain,
  70                                    just before we finish writing an
  71                                    archive.  */
  72   file_ptr armap_datepos;       /* Position within archive to seek to
  73                                    rewrite the date field.  */
  74   PTR tdata;                    /* Backend specific information.  */
  75 };
  76
  77 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
  78
  79 /* Goes in bfd's arelt_data slot */
  80 struct areltdata {
  81   char * arch_header;                        /* it's actually a string */
  82   unsigned int parsed_size;     /* octets of filesize not including ar_hdr */
  83   char *filename;                            /* null-terminated */
  84 };
  85
  86 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
  87
  88 extern PTR bfd_malloc PARAMS ((size_t));
  89 extern PTR bfd_realloc PARAMS ((PTR, size_t));
  90 extern PTR bfd_zmalloc PARAMS ((size_t));
  91
  92 extern bfd_error_handler_type _bfd_error_handler;
  93
  94 /* These routines allocate and free things on the BFD's objalloc.  */
  95
  96 extern PTR bfd_alloc PARAMS ((bfd *, size_t));
  97 extern PTR bfd_zalloc PARAMS ((bfd *, size_t));
  98 extern void bfd_release PARAMS ((bfd *, PTR));
  99
 100 bfd *   _bfd_create_empty_archive_element_shell PARAMS ((bfd *obfd));
 101 bfd *   _bfd_look_for_bfd_in_cache PARAMS ((bfd *arch_bfd, file_ptr index));
 102 boolean _bfd_add_bfd_to_archive_cache PARAMS ((bfd *, file_ptr, bfd *));
 103 boolean _bfd_generic_mkarchive PARAMS ((bfd *abfd));
 104 const bfd_target *bfd_generic_archive_p PARAMS ((bfd *abfd));
 105 boolean bfd_slurp_armap PARAMS ((bfd *abfd));
 106 boolean bfd_slurp_bsd_armap_f2 PARAMS ((bfd *abfd));
 107 #define bfd_slurp_bsd_armap bfd_slurp_armap
 108 #define bfd_slurp_coff_armap bfd_slurp_armap
 109 boolean _bfd_slurp_extended_name_table PARAMS ((bfd *abfd));
 110 extern boolean _bfd_construct_extended_name_table
 111   PARAMS ((bfd *, boolean, char **, bfd_size_type *));
 112 boolean _bfd_write_archive_contents PARAMS ((bfd *abfd));
 113 boolean _bfd_compute_and_write_armap PARAMS ((bfd *, unsigned int elength));
 114 bfd *_bfd_get_elt_at_filepos PARAMS ((bfd *archive, file_ptr filepos));
 115 extern bfd *_bfd_generic_get_elt_at_index PARAMS ((bfd *, symindex));
 116 bfd * _bfd_new_bfd PARAMS ((void));
 117
 118 boolean bfd_false PARAMS ((bfd *ignore));
 119 boolean bfd_true PARAMS ((bfd *ignore));
 120 PTR     bfd_nullvoidptr PARAMS ((bfd *ignore));
 121 int     bfd_0 PARAMS ((bfd *ignore));
 122 unsigned int    bfd_0u PARAMS ((bfd *ignore));
 123 long    bfd_0l PARAMS ((bfd *ignore));
 124 long    _bfd_n1 PARAMS ((bfd *ignore));
 125 void    bfd_void PARAMS ((bfd *ignore));
 126
 127 bfd *_bfd_new_bfd_contained_in PARAMS ((bfd *));
 128 const bfd_target *_bfd_dummy_target PARAMS ((bfd *abfd));
 129
 130 void    bfd_dont_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
 131                                         char *hdr));
 132 void    bfd_bsd_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
 133                                         char *hdr));
 134 void    bfd_gnu_truncate_arname PARAMS ((bfd *abfd, CONST char *filename,
 135                                         char *hdr));
 136
 137 boolean bsd_write_armap PARAMS ((bfd *arch, unsigned int elength,
 138                                   struct orl *map, unsigned int orl_count, int stridx));
 139
 140 boolean coff_write_armap PARAMS ((bfd *arch, unsigned int elength,
 141                                    struct orl *map, unsigned int orl_count, int stridx));
 142
 143 extern PTR _bfd_generic_read_ar_hdr PARAMS ((bfd *));
 144
 145 extern PTR _bfd_generic_read_ar_hdr_mag PARAMS ((bfd *, const char *));
 146
 147 bfd *   bfd_generic_openr_next_archived_file PARAMS ((bfd *archive,
 148                                                      bfd *last_file));
 149
 150 int     bfd_generic_stat_arch_elt PARAMS ((bfd *, struct stat *));
 151
 152 #define _bfd_read_ar_hdr(abfd) \
 153   BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
 154 \f
 155 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC.  Use
 156    BFD_JUMP_TABLE_GENERIC (_bfd_generic).  */
 157
 158 #define _bfd_generic_close_and_cleanup bfd_true
 159 #define _bfd_generic_bfd_free_cached_info bfd_true
 160 #define _bfd_generic_new_section_hook \
 161   ((boolean (*) PARAMS ((bfd *, asection *))) bfd_true)
 162 extern boolean _bfd_generic_get_section_contents
 163   PARAMS ((bfd *, asection *, PTR location, file_ptr offset,
 164            bfd_size_type count));
 165 extern boolean _bfd_generic_get_section_contents_in_window
 166   PARAMS ((bfd *, asection *, bfd_window *, file_ptr, bfd_size_type));
 167
 168 /* Generic routines to use for BFD_JUMP_TABLE_COPY.  Use
 169    BFD_JUMP_TABLE_COPY (_bfd_generic).  */
 170
 171 #define _bfd_generic_bfd_copy_private_bfd_data \
 172   ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
 173 #define _bfd_generic_bfd_merge_private_bfd_data \
 174   ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
 175 #define _bfd_generic_bfd_set_private_flags \
 176   ((boolean (*) PARAMS ((bfd *, flagword))) bfd_true)
 177 #define _bfd_generic_bfd_copy_private_section_data \
 178   ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true)
 179 #define _bfd_generic_bfd_copy_private_symbol_data \
 180   ((boolean (*) PARAMS ((bfd *, asymbol *, bfd *, asymbol *))) bfd_true)
 181 #define _bfd_generic_bfd_print_private_bfd_data \
 182   ((boolean (*) PARAMS ((bfd *, PTR))) bfd_true)
 183
 184 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
 185    support.  Use BFD_JUMP_TABLE_CORE (_bfd_nocore).  */
 186
 187 extern char *_bfd_nocore_core_file_failing_command PARAMS ((bfd *));
 188 extern int _bfd_nocore_core_file_failing_signal PARAMS ((bfd *));
 189 extern boolean _bfd_nocore_core_file_matches_executable_p
 190   PARAMS ((bfd *, bfd *));
 191
 192 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
 193    file support.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive).  */
 194
 195 #define _bfd_noarchive_slurp_armap bfd_false
 196 #define _bfd_noarchive_slurp_extended_name_table bfd_false
 197 #define _bfd_noarchive_construct_extended_name_table \
 198   ((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
 199    bfd_false)
 200 #define _bfd_noarchive_truncate_arname \
 201   ((void (*) PARAMS ((bfd *, const char *, char *))) bfd_void)
 202 #define _bfd_noarchive_write_armap \
 203   ((boolean (*) \
 204     PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
 205    bfd_false)
 206 #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
 207 #define _bfd_noarchive_openr_next_archived_file \
 208   ((bfd *(*) PARAMS ((bfd *, bfd *))) bfd_nullvoidptr)
 209 #define _bfd_noarchive_get_elt_at_index \
 210   ((bfd *(*) PARAMS ((bfd *, symindex))) bfd_nullvoidptr)
 211 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
 212 #define _bfd_noarchive_update_armap_timestamp bfd_false
 213
 214 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
 215    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd).  */
 216
 217 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
 218 #define _bfd_archive_bsd_slurp_extended_name_table \
 219   _bfd_slurp_extended_name_table
 220 extern boolean _bfd_archive_bsd_construct_extended_name_table
 221   PARAMS ((bfd *, char **, bfd_size_type *, const char **));
 222 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
 223 #define _bfd_archive_bsd_write_armap bsd_write_armap
 224 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
 225 #define _bfd_archive_bsd_openr_next_archived_file \
 226   bfd_generic_openr_next_archived_file
 227 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
 228 #define _bfd_archive_bsd_generic_stat_arch_elt \
 229   bfd_generic_stat_arch_elt
 230 extern boolean _bfd_archive_bsd_update_armap_timestamp PARAMS ((bfd *));
 231
 232 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
 233    archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff).  */
 234
 235 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
 236 #define _bfd_archive_coff_slurp_extended_name_table \
 237   _bfd_slurp_extended_name_table
 238 extern boolean _bfd_archive_coff_construct_extended_name_table
 239   PARAMS ((bfd *, char **, bfd_size_type *, const char **));
 240 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
 241 #define _bfd_archive_coff_write_armap coff_write_armap
 242 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
 243 #define _bfd_archive_coff_openr_next_archived_file \
 244   bfd_generic_openr_next_archived_file
 245 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
 246 #define _bfd_archive_coff_generic_stat_arch_elt \
 247   bfd_generic_stat_arch_elt
 248 #define _bfd_archive_coff_update_armap_timestamp bfd_true
 249
 250 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
 251    support.  Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols).  */
 252
 253 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
 254 #define _bfd_nosymbols_get_symtab \
 255   ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
 256 #define _bfd_nosymbols_make_empty_symbol \
 257   ((asymbol *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
 258 #define _bfd_nosymbols_print_symbol \
 259   ((void (*) PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type))) bfd_void)
 260 #define _bfd_nosymbols_get_symbol_info \
 261   ((void (*) PARAMS ((bfd *, asymbol *, symbol_info *))) bfd_void)
 262 #define _bfd_nosymbols_bfd_is_local_label_name \
 263   ((boolean (*) PARAMS ((bfd *, const char *))) bfd_false)
 264 #define _bfd_nosymbols_get_lineno \
 265   ((alent *(*) PARAMS ((bfd *, asymbol *))) bfd_nullvoidptr)
 266 #define _bfd_nosymbols_find_nearest_line \
 267   ((boolean (*) \
 268     PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, \
 269              const char **, unsigned int *))) \
 270    bfd_false)
 271 #define _bfd_nosymbols_bfd_make_debug_symbol \
 272   ((asymbol *(*) PARAMS ((bfd *, PTR, unsigned long))) bfd_nullvoidptr)
 273 #define _bfd_nosymbols_read_minisymbols \
 274   ((long (*) PARAMS ((bfd *, boolean, PTR *, unsigned int *))) _bfd_n1)
 275 #define _bfd_nosymbols_minisymbol_to_symbol \
 276   ((asymbol *(*) PARAMS ((bfd *, boolean, const PTR, asymbol *))) \
 277    bfd_nullvoidptr)
 278
 279 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
 280    support.  Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs).  */
 281
 282 #define _bfd_norelocs_get_reloc_upper_bound \
 283   ((long (*) PARAMS ((bfd *, asection *))) _bfd_n1)
 284 #define _bfd_norelocs_canonicalize_reloc \
 285   ((long (*) PARAMS ((bfd *, asection *, arelent **, asymbol **))) _bfd_n1)
 286 #define _bfd_norelocs_bfd_reloc_type_lookup \
 287   ((reloc_howto_type *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) \
 288    bfd_nullvoidptr)
 289
 290 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
 291    be written.  Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite).  */
 292
 293 #define _bfd_nowrite_set_arch_mach \
 294   ((boolean (*) PARAMS ((bfd *, enum bfd_architecture, unsigned long))) \
 295    bfd_false)
 296 #define _bfd_nowrite_set_section_contents \
 297   ((boolean (*) PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type))) \
 298    bfd_false)
 299
 300 /* Generic routines to use for BFD_JUMP_TABLE_WRITE.  Use
 301    BFD_JUMP_TABLE_WRITE (_bfd_generic).  */
 302
 303 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
 304 extern boolean _bfd_generic_set_section_contents
 305   PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
 306
 307 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
 308    support linking.  Use BFD_JUMP_TABLE_LINK (_bfd_nolink).  */
 309
 310 #define _bfd_nolink_sizeof_headers ((int (*) PARAMS ((bfd *, boolean))) bfd_0)
 311 #define _bfd_nolink_bfd_get_relocated_section_contents \
 312   ((bfd_byte *(*) \
 313     PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, \
 314              bfd_byte *, boolean, asymbol **))) \
 315    bfd_nullvoidptr)
 316 #define _bfd_nolink_bfd_relax_section \
 317   ((boolean (*) \
 318     PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *))) \
 319    bfd_false)
 320 #define _bfd_nolink_bfd_link_hash_table_create \
 321   ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
 322 #define _bfd_nolink_bfd_link_add_symbols \
 323   ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
 324 #define _bfd_nolink_bfd_final_link \
 325   ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
 326 #define _bfd_nolink_bfd_link_split_section \
 327   ((boolean (*) PARAMS ((bfd *, struct sec *))) bfd_false)
 328
 329 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
 330    have dynamic symbols or relocs.  Use BFD_JUMP_TABLE_DYNAMIC
 331    (_bfd_nodynamic).  */
 332
 333 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
 334 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
 335   ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
 336 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
 337 #define _bfd_nodynamic_canonicalize_dynamic_reloc \
 338   ((long (*) PARAMS ((bfd *, arelent **, asymbol **))) _bfd_n1)
 339 \f
 340 /* Generic routine to determine of the given symbol is a local
 341    label.  */
 342 extern boolean bfd_generic_is_local_label_name PARAMS ((bfd *, const char *));
 343
 344 /* Generic minisymbol routines.  */
 345 extern long _bfd_generic_read_minisymbols
 346   PARAMS ((bfd *, boolean, PTR *, unsigned int *));
 347 extern asymbol *_bfd_generic_minisymbol_to_symbol
 348   PARAMS ((bfd *, boolean, const PTR, asymbol *));
 349
 350 /* Find the nearest line using .stab/.stabstr sections.  */
 351 extern boolean _bfd_stab_section_find_nearest_line
 352   PARAMS ((bfd *, asymbol **, asection *, bfd_vma, boolean *, const char **,
 353            const char **, unsigned int *, PTR *));
 354
 355 /* Find the nearest line using DWARF 2 debugging information.  */
 356 extern boolean _bfd_dwarf2_find_nearest_line
 357   PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
 358            const char **, unsigned int *));
 359
 360 /* A routine to create entries for a bfd_link_hash_table.  */
 361 extern struct bfd_hash_entry *_bfd_link_hash_newfunc
 362   PARAMS ((struct bfd_hash_entry *entry,
 363            struct bfd_hash_table *table,
 364            const char *string));
 365
 366 /* Initialize a bfd_link_hash_table.  */
 367 extern boolean _bfd_link_hash_table_init
 368   PARAMS ((struct bfd_link_hash_table *, bfd *,
 369            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 370                                        struct bfd_hash_table *,
 371                                        const char *)));
 372
 373 /* Generic link hash table creation routine.  */
 374 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
 375   PARAMS ((bfd *));
 376
 377 /* Generic add symbol routine.  */
 378 extern boolean _bfd_generic_link_add_symbols
 379   PARAMS ((bfd *, struct bfd_link_info *));
 380
 381 /* Generic add symbol routine.  This version is used by targets for
 382    which the linker must collect constructors and destructors by name,
 383    as the collect2 program does.  */
 384 extern boolean _bfd_generic_link_add_symbols_collect
 385   PARAMS ((bfd *, struct bfd_link_info *));
 386
 387 /* Generic archive add symbol routine.  */
 388 extern boolean _bfd_generic_link_add_archive_symbols
 389   PARAMS ((bfd *, struct bfd_link_info *,
 390            boolean (*checkfn) (bfd *, struct bfd_link_info *, boolean *)));
 391
 392
 393
 394 /* Forward declaration to avoid prototype errors.  */
 395 typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
 396
 397 /* Generic routine to add a single symbol.  */
 398 extern boolean _bfd_generic_link_add_one_symbol
 399   PARAMS ((struct bfd_link_info *, bfd *, const char *name, flagword,
 400            asection *, bfd_vma, const char *, boolean copy,
 401            boolean constructor, struct bfd_link_hash_entry **));
 402
 403 /* Generic link routine.  */
 404 extern boolean _bfd_generic_final_link
 405   PARAMS ((bfd *, struct bfd_link_info *));
 406
 407 extern boolean _bfd_generic_link_split_section
 408   PARAMS ((bfd *, struct sec *));
 409
 410 /* Generic reloc_link_order processing routine.  */
 411 extern boolean _bfd_generic_reloc_link_order
 412   PARAMS ((bfd *, struct bfd_link_info *, asection *,
 413            struct bfd_link_order *));
 414
 415 /* Default link order processing routine.  */
 416 extern boolean _bfd_default_link_order
 417   PARAMS ((bfd *, struct bfd_link_info *, asection *,
 418            struct bfd_link_order *));
 419
 420 /* Count the number of reloc entries in a link order list.  */
 421 extern unsigned int _bfd_count_link_order_relocs
 422   PARAMS ((struct bfd_link_order *));
 423
 424 /* Final link relocation routine.  */
 425 extern bfd_reloc_status_type _bfd_final_link_relocate
 426   PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *,
 427            bfd_vma address, bfd_vma value, bfd_vma addend));
 428
 429 /* Relocate a particular location by a howto and a value.  */
 430 extern bfd_reloc_status_type _bfd_relocate_contents
 431   PARAMS ((reloc_howto_type *, bfd *, bfd_vma, bfd_byte *));
 432
 433 /* Link stabs in sections in the first pass.  */
 434
 435 extern boolean _bfd_link_section_stabs
 436   PARAMS ((bfd *, PTR *, asection *, asection *, PTR *));
 437
 438 /* Write out the .stab section when linking stabs in sections.  */
 439
 440 extern boolean _bfd_write_section_stabs
 441   PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_byte *));
 442
 443 /* Write out the .stabstr string table when linking stabs in sections.  */
 444
 445 extern boolean _bfd_write_stab_strings PARAMS ((bfd *, PTR *));
 446
 447 /* Find an offset within a .stab section when linking stabs in
 448    sections.  */
 449
 450 extern bfd_vma _bfd_stab_section_offset
 451   PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_vma));
 452
 453 /* Create a string table.  */
 454 extern struct bfd_strtab_hash *_bfd_stringtab_init PARAMS ((void));
 455
 456 /* Create an XCOFF .debug section style string table.  */
 457 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init PARAMS ((void));
 458
 459 /* Free a string table.  */
 460 extern void _bfd_stringtab_free PARAMS ((struct bfd_strtab_hash *));
 461
 462 /* Get the size of a string table.  */
 463 extern bfd_size_type _bfd_stringtab_size PARAMS ((struct bfd_strtab_hash *));
 464
 465 /* Add a string to a string table.  */
 466 extern bfd_size_type _bfd_stringtab_add
 467   PARAMS ((struct bfd_strtab_hash *, const char *, boolean hash,
 468            boolean copy));
 469
 470 /* Write out a string table.  */
 471 extern boolean _bfd_stringtab_emit PARAMS ((bfd *, struct bfd_strtab_hash *));
 472 \f
 473 /* Macros to tell if bfds are read or write enabled.
 474
 475    Note that bfds open for read may be scribbled into if the fd passed
 476    to bfd_fdopenr is actually open both for read and write
 477    simultaneously.  However an output bfd will never be open for
 478    read.  Therefore sometimes you want to check bfd_read_p or
 479    !bfd_read_p, and only sometimes bfd_write_p.
 480 */
 481
 482 #define bfd_read_p(abfd) ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
 483 #define bfd_write_p(abfd) ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
 484
 485 void    bfd_assert PARAMS ((const char*,int));
 486
 487 #define BFD_ASSERT(x) \
 488 { if (!(x)) bfd_assert(__FILE__,__LINE__); }
 489
 490 #define BFD_FAIL() \
 491 { bfd_assert(__FILE__,__LINE__); }
 492
 493 FILE *  bfd_cache_lookup_worker PARAMS ((bfd *));
 494
 495 extern bfd *bfd_last_cache;
 496
 497 /* List of supported target vectors, and the default vector (if
 498    bfd_default_vector[0] is NULL, there is no default).  */
 499 extern const bfd_target * const bfd_target_vector[];
 500 extern const bfd_target *bfd_default_vector[];
 501
 502 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
 503    other common header files.  */
 504
 505 #if defined(__STDC__) || defined(ALMOST_STDC)
 506 struct ecoff_find_line;
 507 #endif
 508
 509 extern boolean _bfd_ecoff_locate_line
 510   PARAMS ((bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
 511            const struct ecoff_debug_swap * const, struct ecoff_find_line *,
 512            const char **, const char **, unsigned int *));
 513 extern boolean _bfd_ecoff_get_accumulated_pdr PARAMS ((PTR, bfd_byte *));
 514 extern boolean _bfd_ecoff_get_accumulated_sym PARAMS ((PTR, bfd_byte *));
 515 extern boolean _bfd_ecoff_get_accumulated_ss PARAMS ((PTR, bfd_byte *));
 516
 517 extern bfd_vma _bfd_get_gp_value PARAMS ((bfd *));
 518 extern void _bfd_set_gp_value PARAMS ((bfd *, bfd_vma));
 519
 520 /* Function shared by the COFF and ELF SH backends, which have no
 521    other common header files.  */
 522
 523 extern boolean _bfd_sh_align_load_span
 524   PARAMS ((bfd *, asection *, bfd_byte *,
 525            boolean (*) (bfd *, asection *, PTR, bfd_byte *, bfd_vma),
 526            PTR, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, boolean *));
 527
 528 /* And more follows */
 529
 530 void
 531 bfd_write_bigendian_4byte_int PARAMS ((bfd *abfd,  int i));
 532
 533 unsigned int
 534 bfd_log2 PARAMS ((bfd_vma x));
 535
 536 #define BFD_CACHE_MAX_OPEN 10
 537 extern bfd *bfd_last_cache;
 538
 539 #define bfd_cache_lookup(x) \
 540     ((x)==bfd_last_cache? \
 541       (FILE*)(bfd_last_cache->iostream): \
 542        bfd_cache_lookup_worker(x))
 543 boolean
 544 bfd_cache_init  PARAMS ((bfd *abfd));
 545
 546 boolean
 547 bfd_cache_close  PARAMS ((bfd *abfd));
 548
 549 FILE*
 550 bfd_open_file PARAMS ((bfd *abfd));
 551
 552 FILE *
 553 bfd_cache_lookup_worker PARAMS ((bfd *abfd));
 554
 555 #ifdef _BFD_MAKE_TABLE_bfd_reloc_code_real
 556
 557 static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
 558
 559   "BFD_RELOC_64",
 560   "BFD_RELOC_32",
 561   "BFD_RELOC_26",
 562   "BFD_RELOC_24",
 563   "BFD_RELOC_16",
 564   "BFD_RELOC_14",
 565   "BFD_RELOC_8",
 566   "BFD_RELOC_64_PCREL",
 567   "BFD_RELOC_32_PCREL",
 568   "BFD_RELOC_24_PCREL",
 569   "BFD_RELOC_16_PCREL",
 570   "BFD_RELOC_12_PCREL",
 571   "BFD_RELOC_8_PCREL",
 572   "BFD_RELOC_32_GOT_PCREL",
 573   "BFD_RELOC_16_GOT_PCREL",
 574   "BFD_RELOC_8_GOT_PCREL",
 575   "BFD_RELOC_32_GOTOFF",
 576   "BFD_RELOC_16_GOTOFF",
 577   "BFD_RELOC_LO16_GOTOFF",
 578   "BFD_RELOC_HI16_GOTOFF",
 579   "BFD_RELOC_HI16_S_GOTOFF",
 580   "BFD_RELOC_8_GOTOFF",
 581   "BFD_RELOC_32_PLT_PCREL",
 582   "BFD_RELOC_24_PLT_PCREL",
 583   "BFD_RELOC_16_PLT_PCREL",
 584   "BFD_RELOC_8_PLT_PCREL",
 585   "BFD_RELOC_32_PLTOFF",
 586   "BFD_RELOC_16_PLTOFF",
 587   "BFD_RELOC_LO16_PLTOFF",
 588   "BFD_RELOC_HI16_PLTOFF",
 589   "BFD_RELOC_HI16_S_PLTOFF",
 590   "BFD_RELOC_8_PLTOFF",
 591   "BFD_RELOC_68K_GLOB_DAT",
 592   "BFD_RELOC_68K_JMP_SLOT",
 593   "BFD_RELOC_68K_RELATIVE",
 594   "BFD_RELOC_32_BASEREL",
 595   "BFD_RELOC_16_BASEREL",
 596   "BFD_RELOC_LO16_BASEREL",
 597   "BFD_RELOC_HI16_BASEREL",
 598   "BFD_RELOC_HI16_S_BASEREL",
 599   "BFD_RELOC_8_BASEREL",
 600   "BFD_RELOC_RVA",
 601   "BFD_RELOC_8_FFnn",
 602   "BFD_RELOC_32_PCREL_S2",
 603   "BFD_RELOC_16_PCREL_S2",
 604   "BFD_RELOC_23_PCREL_S2",
 605   "BFD_RELOC_HI22",
 606   "BFD_RELOC_LO10",
 607   "BFD_RELOC_GPREL16",
 608   "BFD_RELOC_GPREL32",
 609   "BFD_RELOC_I960_CALLJ",
 610   "BFD_RELOC_NONE",
 611   "BFD_RELOC_SPARC_WDISP22",
 612   "BFD_RELOC_SPARC22",
 613   "BFD_RELOC_SPARC13",
 614   "BFD_RELOC_SPARC_GOT10",
 615   "BFD_RELOC_SPARC_GOT13",
 616   "BFD_RELOC_SPARC_GOT22",
 617   "BFD_RELOC_SPARC_PC10",
 618   "BFD_RELOC_SPARC_PC22",
 619   "BFD_RELOC_SPARC_WPLT30",
 620   "BFD_RELOC_SPARC_COPY",
 621   "BFD_RELOC_SPARC_GLOB_DAT",
 622   "BFD_RELOC_SPARC_JMP_SLOT",
 623   "BFD_RELOC_SPARC_RELATIVE",
 624   "BFD_RELOC_SPARC_UA32",
 625   "BFD_RELOC_SPARC_BASE13",
 626   "BFD_RELOC_SPARC_BASE22",
 627   "BFD_RELOC_SPARC_10",
 628   "BFD_RELOC_SPARC_11",
 629   "BFD_RELOC_SPARC_OLO10",
 630   "BFD_RELOC_SPARC_HH22",
 631   "BFD_RELOC_SPARC_HM10",
 632   "BFD_RELOC_SPARC_LM22",
 633   "BFD_RELOC_SPARC_PC_HH22",
 634   "BFD_RELOC_SPARC_PC_HM10",
 635   "BFD_RELOC_SPARC_PC_LM22",
 636   "BFD_RELOC_SPARC_WDISP16",
 637   "BFD_RELOC_SPARC_WDISP19",
 638   "BFD_RELOC_SPARC_7",
 639   "BFD_RELOC_SPARC_6",
 640   "BFD_RELOC_SPARC_5",
 641   "BFD_RELOC_SPARC_PLT64",
 642   "BFD_RELOC_SPARC_HIX22",
 643   "BFD_RELOC_SPARC_LOX10",
 644   "BFD_RELOC_SPARC_H44",
 645   "BFD_RELOC_SPARC_M44",
 646   "BFD_RELOC_SPARC_L44",
 647   "BFD_RELOC_SPARC_REGISTER",
 648   "BFD_RELOC_ALPHA_GPDISP_HI16",
 649   "BFD_RELOC_ALPHA_GPDISP_LO16",
 650   "BFD_RELOC_ALPHA_GPDISP",
 651   "BFD_RELOC_ALPHA_LITERAL",
 652   "BFD_RELOC_ALPHA_ELF_LITERAL",
 653   "BFD_RELOC_ALPHA_LITUSE",
 654   "BFD_RELOC_ALPHA_HINT",
 655   "BFD_RELOC_ALPHA_LINKAGE",
 656   "BFD_RELOC_ALPHA_CODEADDR",
 657   "BFD_RELOC_MIPS_JMP",
 658   "BFD_RELOC_MIPS16_JMP",
 659   "BFD_RELOC_MIPS16_GPREL",
 660   "BFD_RELOC_HI16",
 661   "BFD_RELOC_HI16_S",
 662   "BFD_RELOC_LO16",
 663   "BFD_RELOC_PCREL_HI16_S",
 664   "BFD_RELOC_PCREL_LO16",
 665   "BFD_RELOC_MIPS_LITERAL",
 666   "BFD_RELOC_MIPS_GOT16",
 667   "BFD_RELOC_MIPS_CALL16",
 668   "BFD_RELOC_MIPS_GOT_HI16",
 669   "BFD_RELOC_MIPS_GOT_LO16",
 670   "BFD_RELOC_MIPS_CALL_HI16",
 671   "BFD_RELOC_MIPS_CALL_LO16",
 672 /* start-sanitize-sky */
 673   "BFD_RELOC_MIPS_DVP_11_PCREL",
 674 /* end-sanitize-sky */
 675
 676   "BFD_RELOC_386_GOT32",
 677   "BFD_RELOC_386_PLT32",
 678   "BFD_RELOC_386_COPY",
 679   "BFD_RELOC_386_GLOB_DAT",
 680   "BFD_RELOC_386_JUMP_SLOT",
 681   "BFD_RELOC_386_RELATIVE",
 682   "BFD_RELOC_386_GOTOFF",
 683   "BFD_RELOC_386_GOTPC",
 684   "BFD_RELOC_NS32K_IMM_8",
 685   "BFD_RELOC_NS32K_IMM_16",
 686   "BFD_RELOC_NS32K_IMM_32",
 687   "BFD_RELOC_NS32K_IMM_8_PCREL",
 688   "BFD_RELOC_NS32K_IMM_16_PCREL",
 689   "BFD_RELOC_NS32K_IMM_32_PCREL",
 690   "BFD_RELOC_NS32K_DISP_8",
 691   "BFD_RELOC_NS32K_DISP_16",
 692   "BFD_RELOC_NS32K_DISP_32",
 693   "BFD_RELOC_NS32K_DISP_8_PCREL",
 694   "BFD_RELOC_NS32K_DISP_16_PCREL",
 695   "BFD_RELOC_NS32K_DISP_32_PCREL",
 696   "BFD_RELOC_PPC_B26",
 697   "BFD_RELOC_PPC_BA26",
 698   "BFD_RELOC_PPC_TOC16",
 699   "BFD_RELOC_PPC_B16",
 700   "BFD_RELOC_PPC_B16_BRTAKEN",
 701   "BFD_RELOC_PPC_B16_BRNTAKEN",
 702   "BFD_RELOC_PPC_BA16",
 703   "BFD_RELOC_PPC_BA16_BRTAKEN",
 704   "BFD_RELOC_PPC_BA16_BRNTAKEN",
 705   "BFD_RELOC_PPC_COPY",
 706   "BFD_RELOC_PPC_GLOB_DAT",
 707   "BFD_RELOC_PPC_JMP_SLOT",
 708   "BFD_RELOC_PPC_RELATIVE",
 709   "BFD_RELOC_PPC_LOCAL24PC",
 710   "BFD_RELOC_PPC_EMB_NADDR32",
 711   "BFD_RELOC_PPC_EMB_NADDR16",
 712   "BFD_RELOC_PPC_EMB_NADDR16_LO",
 713   "BFD_RELOC_PPC_EMB_NADDR16_HI",
 714   "BFD_RELOC_PPC_EMB_NADDR16_HA",
 715   "BFD_RELOC_PPC_EMB_SDAI16",
 716   "BFD_RELOC_PPC_EMB_SDA2I16",
 717   "BFD_RELOC_PPC_EMB_SDA2REL",
 718   "BFD_RELOC_PPC_EMB_SDA21",
 719   "BFD_RELOC_PPC_EMB_MRKREF",
 720   "BFD_RELOC_PPC_EMB_RELSEC16",
 721   "BFD_RELOC_PPC_EMB_RELST_LO",
 722   "BFD_RELOC_PPC_EMB_RELST_HI",
 723   "BFD_RELOC_PPC_EMB_RELST_HA",
 724   "BFD_RELOC_PPC_EMB_BIT_FLD",
 725   "BFD_RELOC_PPC_EMB_RELSDA",
 726   "BFD_RELOC_CTOR",
 727   "BFD_RELOC_ARM_PCREL_BRANCH",
 728   "BFD_RELOC_ARM_IMMEDIATE",
 729   "BFD_RELOC_ARM_OFFSET_IMM",
 730   "BFD_RELOC_ARM_SHIFT_IMM",
 731   "BFD_RELOC_ARM_SWI",
 732   "BFD_RELOC_ARM_MULTI",
 733   "BFD_RELOC_ARM_CP_OFF_IMM",
 734   "BFD_RELOC_ARM_ADR_IMM",
 735   "BFD_RELOC_ARM_LDR_IMM",
 736   "BFD_RELOC_ARM_LITERAL",
 737   "BFD_RELOC_ARM_IN_POOL",
 738   "BFD_RELOC_ARM_OFFSET_IMM8",
 739   "BFD_RELOC_ARM_HWLITERAL",
 740   "BFD_RELOC_ARM_THUMB_ADD",
 741   "BFD_RELOC_ARM_THUMB_IMM",
 742   "BFD_RELOC_ARM_THUMB_SHIFT",
 743   "BFD_RELOC_ARM_THUMB_OFFSET",
 744   "BFD_RELOC_SH_PCDISP8BY2",
 745   "BFD_RELOC_SH_PCDISP12BY2",
 746   "BFD_RELOC_SH_IMM4",
 747   "BFD_RELOC_SH_IMM4BY2",
 748   "BFD_RELOC_SH_IMM4BY4",
 749   "BFD_RELOC_SH_IMM8",
 750   "BFD_RELOC_SH_IMM8BY2",
 751   "BFD_RELOC_SH_IMM8BY4",
 752   "BFD_RELOC_SH_PCRELIMM8BY2",
 753   "BFD_RELOC_SH_PCRELIMM8BY4",
 754   "BFD_RELOC_SH_SWITCH16",
 755   "BFD_RELOC_SH_SWITCH32",
 756   "BFD_RELOC_SH_USES",
 757   "BFD_RELOC_SH_COUNT",
 758   "BFD_RELOC_SH_ALIGN",
 759   "BFD_RELOC_SH_CODE",
 760   "BFD_RELOC_SH_DATA",
 761   "BFD_RELOC_SH_LABEL",
 762   "BFD_RELOC_THUMB_PCREL_BRANCH9",
 763   "BFD_RELOC_THUMB_PCREL_BRANCH12",
 764   "BFD_RELOC_THUMB_PCREL_BRANCH23",
 765   "BFD_RELOC_ARC_B22_PCREL",
 766   "BFD_RELOC_ARC_B26",
 767   "BFD_RELOC_D10V_10_PCREL_R",
 768   "BFD_RELOC_D10V_10_PCREL_L",
 769   "BFD_RELOC_D10V_18",
 770   "BFD_RELOC_D10V_18_PCREL",
 771
 772 /* start-sanitize-d30v */
 773   "BFD_RELOC_D30V_6",
 774   "BFD_RELOC_D30V_9_PCREL",
 775   "BFD_RELOC_D30V_9_PCREL_R",
 776   "BFD_RELOC_D30V_15",
 777   "BFD_RELOC_D30V_15_PCREL",
 778   "BFD_RELOC_D30V_15_PCREL_R",
 779   "BFD_RELOC_D30V_21",
 780   "BFD_RELOC_D30V_21_PCREL",
 781   "BFD_RELOC_D30V_21_PCREL_R",
 782   "BFD_RELOC_D30V_32",
 783   "BFD_RELOC_D30V_32_PCREL",
 784 /* end-sanitize-d30v */
 785
 786   "BFD_RELOC_M32R_24",
 787   "BFD_RELOC_M32R_10_PCREL",
 788   "BFD_RELOC_M32R_18_PCREL",
 789   "BFD_RELOC_M32R_26_PCREL",
 790   "BFD_RELOC_M32R_HI16_ULO",
 791   "BFD_RELOC_M32R_HI16_SLO",
 792   "BFD_RELOC_M32R_LO16",
 793   "BFD_RELOC_M32R_SDA16",
 794   "BFD_RELOC_V850_9_PCREL",
 795   "BFD_RELOC_V850_22_PCREL",
 796   "BFD_RELOC_V850_SDA_16_16_OFFSET",
 797   "BFD_RELOC_V850_SDA_15_16_OFFSET",
 798   "BFD_RELOC_V850_ZDA_16_16_OFFSET",
 799   "BFD_RELOC_V850_ZDA_15_16_OFFSET",
 800   "BFD_RELOC_V850_TDA_6_8_OFFSET",
 801   "BFD_RELOC_V850_TDA_7_8_OFFSET",
 802   "BFD_RELOC_V850_TDA_7_7_OFFSET",
 803   "BFD_RELOC_V850_TDA_16_16_OFFSET",
 804 /* start-sanitize-v850e */
 805   "BFD_RELOC_V850_TDA_4_5_OFFSET",
 806   "BFD_RELOC_V850_TDA_4_4_OFFSET",
 807   "BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET",
 808   "BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET",
 809   "BFD_RELOC_V850_CALLT_6_7_OFFSET",
 810   "BFD_RELOC_V850_CALLT_16_16_OFFSET",
 811 /* end-sanitize-v850e */
 812
 813   "BFD_RELOC_MN10300_32_PCREL",
 814   "BFD_RELOC_MN10300_16_PCREL",
 815   "BFD_RELOC_TIC30_LDP",
 816  "@@overflow: BFD_RELOC_UNUSED@@",
 817 };
 818 #endif
 819
 820 reloc_howto_type *
 821 bfd_default_reloc_type_lookup
 822  PARAMS ((bfd *abfd, bfd_reloc_code_real_type  code));
 823
 824 boolean
 825 bfd_generic_relax_section
 826  PARAMS ((bfd *abfd,
 827     asection *section,
 828     struct bfd_link_info *,
 829     boolean *));
 830
 831 bfd_byte *
 832
 833 bfd_generic_get_relocated_section_contents  PARAMS ((bfd *abfd,
 834     struct bfd_link_info *link_info,
 835     struct bfd_link_order *link_order,
 836     bfd_byte *data,
 837     boolean relocateable,
 838     asymbol **symbols));
 839
 840 extern const bfd_arch_info_type bfd_default_arch_struct;
 841 boolean
 842 bfd_default_set_arch_mach PARAMS ((bfd *abfd,
 843     enum bfd_architecture arch,
 844     unsigned long mach));
 845
 846 const bfd_arch_info_type *
 847 bfd_default_compatible
 848  PARAMS ((const bfd_arch_info_type *a,
 849     const bfd_arch_info_type *b));
 850
 851 boolean
 852 bfd_default_scan PARAMS ((const struct bfd_arch_info *info, const char *string));
 853
 854 struct elf_internal_shdr *
 855 bfd_elf_find_section  PARAMS ((bfd *abfd, char *name));
 856