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, 97, 1998 Free Software Foundation, Inc.
   4    Written by Cygnus Support.
   5
   6 ** NOTE: libbfd.h is a GENERATED file.  Don't change it; instead,
   7 ** change libbfd-in.h or the other BFD source files processed to
   8 ** generate this file.
   9
  10 This file is part of BFD, the Binary File Descriptor library.
  11
  12 This program is free software; you can redistribute it and/or modify
  13 it under the terms of the GNU General Public License as published by
  14 the Free Software Foundation; either version 2 of the License, or
  15 (at your option) any later version.
  16
  17 This program is distributed in the hope that it will be useful,
  18 but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 GNU General Public License for more details.
  21
  22 You should have received a copy of the GNU General Public License
  23 along with this program; if not, write to the Free Software
  24 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  25
  26 /* 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   ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this))            \
  32    ? (((bfd_vma) (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_gc_sections \
 321   ((boolean (*) \
 322     PARAMS ((bfd *, struct bfd_link_info *))) \
 323    bfd_false)
 324 #define _bfd_nolink_bfd_link_hash_table_create \
 325   ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
 326 #define _bfd_nolink_bfd_link_add_symbols \
 327   ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
 328 #define _bfd_nolink_bfd_final_link \
 329   ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
 330 #define _bfd_nolink_bfd_link_split_section \
 331   ((boolean (*) PARAMS ((bfd *, struct sec *))) bfd_false)
 332
 333 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
 334    have dynamic symbols or relocs.  Use BFD_JUMP_TABLE_DYNAMIC
 335    (_bfd_nodynamic).  */
 336
 337 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
 338 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
 339   ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
 340 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
 341 #define _bfd_nodynamic_canonicalize_dynamic_reloc \
 342   ((long (*) PARAMS ((bfd *, arelent **, asymbol **))) _bfd_n1)
 343 \f
 344 /* Generic routine to determine of the given symbol is a local
 345    label.  */
 346 extern boolean bfd_generic_is_local_label_name PARAMS ((bfd *, const char *));
 347
 348 /* Generic minisymbol routines.  */
 349 extern long _bfd_generic_read_minisymbols
 350   PARAMS ((bfd *, boolean, PTR *, unsigned int *));
 351 extern asymbol *_bfd_generic_minisymbol_to_symbol
 352   PARAMS ((bfd *, boolean, const PTR, asymbol *));
 353
 354 /* Find the nearest line using .stab/.stabstr sections.  */
 355 extern boolean _bfd_stab_section_find_nearest_line
 356   PARAMS ((bfd *, asymbol **, asection *, bfd_vma, boolean *, const char **,
 357            const char **, unsigned int *, PTR *));
 358
 359 /* Find the neaderst line using DWARF 1 debugging information.  */
 360 extern boolean _bfd_dwarf1_find_nearest_line
 361   PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
 362            const char **, unsigned int *));
 363
 364 /* Find the nearest line using DWARF 2 debugging information.  */
 365 extern boolean _bfd_dwarf2_find_nearest_line
 366   PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
 367            const char **, unsigned int *));
 368
 369 /* A routine to create entries for a bfd_link_hash_table.  */
 370 extern struct bfd_hash_entry *_bfd_link_hash_newfunc
 371   PARAMS ((struct bfd_hash_entry *entry,
 372            struct bfd_hash_table *table,
 373            const char *string));
 374
 375 /* Initialize a bfd_link_hash_table.  */
 376 extern boolean _bfd_link_hash_table_init
 377   PARAMS ((struct bfd_link_hash_table *, bfd *,
 378            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 379                                        struct bfd_hash_table *,
 380                                        const char *)));
 381
 382 /* Generic link hash table creation routine.  */
 383 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
 384   PARAMS ((bfd *));
 385
 386 /* Generic add symbol routine.  */
 387 extern boolean _bfd_generic_link_add_symbols
 388   PARAMS ((bfd *, struct bfd_link_info *));
 389
 390 /* Generic add symbol routine.  This version is used by targets for
 391    which the linker must collect constructors and destructors by name,
 392    as the collect2 program does.  */
 393 extern boolean _bfd_generic_link_add_symbols_collect
 394   PARAMS ((bfd *, struct bfd_link_info *));
 395
 396 /* Generic archive add symbol routine.  */
 397 extern boolean _bfd_generic_link_add_archive_symbols
 398   PARAMS ((bfd *, struct bfd_link_info *,
 399            boolean (*checkfn) (bfd *, struct bfd_link_info *, boolean *)));
 400
 401
 402
 403 /* Forward declaration to avoid prototype errors.  */
 404 typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
 405
 406 /* Generic routine to add a single symbol.  */
 407 extern boolean _bfd_generic_link_add_one_symbol
 408   PARAMS ((struct bfd_link_info *, bfd *, const char *name, flagword,
 409            asection *, bfd_vma, const char *, boolean copy,
 410            boolean constructor, struct bfd_link_hash_entry **));
 411
 412 /* Generic link routine.  */
 413 extern boolean _bfd_generic_final_link
 414   PARAMS ((bfd *, struct bfd_link_info *));
 415
 416 extern boolean _bfd_generic_link_split_section
 417   PARAMS ((bfd *, struct sec *));
 418
 419 /* Generic reloc_link_order processing routine.  */
 420 extern boolean _bfd_generic_reloc_link_order
 421   PARAMS ((bfd *, struct bfd_link_info *, asection *,
 422            struct bfd_link_order *));
 423
 424 /* Default link order processing routine.  */
 425 extern boolean _bfd_default_link_order
 426   PARAMS ((bfd *, struct bfd_link_info *, asection *,
 427            struct bfd_link_order *));
 428
 429 /* Count the number of reloc entries in a link order list.  */
 430 extern unsigned int _bfd_count_link_order_relocs
 431   PARAMS ((struct bfd_link_order *));
 432
 433 /* Final link relocation routine.  */
 434 extern bfd_reloc_status_type _bfd_final_link_relocate
 435   PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *,
 436            bfd_vma address, bfd_vma value, bfd_vma addend));
 437
 438 /* Relocate a particular location by a howto and a value.  */
 439 extern bfd_reloc_status_type _bfd_relocate_contents
 440   PARAMS ((reloc_howto_type *, bfd *, bfd_vma, bfd_byte *));
 441
 442 /* Link stabs in sections in the first pass.  */
 443
 444 extern boolean _bfd_link_section_stabs
 445   PARAMS ((bfd *, PTR *, asection *, asection *, PTR *));
 446
 447 /* Write out the .stab section when linking stabs in sections.  */
 448
 449 extern boolean _bfd_write_section_stabs
 450   PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_byte *));
 451
 452 /* Write out the .stabstr string table when linking stabs in sections.  */
 453
 454 extern boolean _bfd_write_stab_strings PARAMS ((bfd *, PTR *));
 455
 456 /* Find an offset within a .stab section when linking stabs in
 457    sections.  */
 458
 459 extern bfd_vma _bfd_stab_section_offset
 460   PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_vma));
 461
 462 /* Create a string table.  */
 463 extern struct bfd_strtab_hash *_bfd_stringtab_init PARAMS ((void));
 464
 465 /* Create an XCOFF .debug section style string table.  */
 466 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init PARAMS ((void));
 467
 468 /* Free a string table.  */
 469 extern void _bfd_stringtab_free PARAMS ((struct bfd_strtab_hash *));
 470
 471 /* Get the size of a string table.  */
 472 extern bfd_size_type _bfd_stringtab_size PARAMS ((struct bfd_strtab_hash *));
 473
 474 /* Add a string to a string table.  */
 475 extern bfd_size_type _bfd_stringtab_add
 476   PARAMS ((struct bfd_strtab_hash *, const char *, boolean hash,
 477            boolean copy));
 478
 479 /* Write out a string table.  */
 480 extern boolean _bfd_stringtab_emit PARAMS ((bfd *, struct bfd_strtab_hash *));
 481 \f
 482 /* Macros to tell if bfds are read or write enabled.
 483
 484    Note that bfds open for read may be scribbled into if the fd passed
 485    to bfd_fdopenr is actually open both for read and write
 486    simultaneously.  However an output bfd will never be open for
 487    read.  Therefore sometimes you want to check bfd_read_p or
 488    !bfd_read_p, and only sometimes bfd_write_p.
 489 */
 490
 491 #define bfd_read_p(abfd) ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
 492 #define bfd_write_p(abfd) ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
 493
 494 void    bfd_assert PARAMS ((const char*,int));
 495
 496 #define BFD_ASSERT(x) \
 497 { if (!(x)) bfd_assert(__FILE__,__LINE__); }
 498
 499 #define BFD_FAIL() \
 500 { bfd_assert(__FILE__,__LINE__); }
 501
 502 FILE *  bfd_cache_lookup_worker PARAMS ((bfd *));
 503
 504 extern bfd *bfd_last_cache;
 505
 506 /* List of supported target vectors, and the default vector (if
 507    bfd_default_vector[0] is NULL, there is no default).  */
 508 extern const bfd_target * const bfd_target_vector[];
 509 extern const bfd_target *bfd_default_vector[];
 510
 511 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
 512    other common header files.  */
 513
 514 #if defined(__STDC__) || defined(ALMOST_STDC)
 515 struct ecoff_find_line;
 516 #endif
 517
 518 extern boolean _bfd_ecoff_locate_line
 519   PARAMS ((bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
 520            const struct ecoff_debug_swap * const, struct ecoff_find_line *,
 521            const char **, const char **, unsigned int *));
 522 extern boolean _bfd_ecoff_get_accumulated_pdr PARAMS ((PTR, bfd_byte *));
 523 extern boolean _bfd_ecoff_get_accumulated_sym PARAMS ((PTR, bfd_byte *));
 524 extern boolean _bfd_ecoff_get_accumulated_ss PARAMS ((PTR, bfd_byte *));
 525
 526 extern bfd_vma _bfd_get_gp_value PARAMS ((bfd *));
 527 extern void _bfd_set_gp_value PARAMS ((bfd *, bfd_vma));
 528
 529 /* Function shared by the COFF and ELF SH backends, which have no
 530    other common header files.  */
 531
 532 extern boolean _bfd_sh_align_load_span
 533   PARAMS ((bfd *, asection *, bfd_byte *,
 534            boolean (*) (bfd *, asection *, PTR, bfd_byte *, bfd_vma),
 535            PTR, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, boolean *));
 536
 537 /* And more follows */
 538
 539 void
 540 bfd_write_bigendian_4byte_int PARAMS ((bfd *abfd,  int i));
 541
 542 unsigned int
 543 bfd_log2 PARAMS ((bfd_vma x));
 544
 545 #define BFD_CACHE_MAX_OPEN 10
 546 extern bfd *bfd_last_cache;
 547
 548 #define bfd_cache_lookup(x) \
 549     ((x)==bfd_last_cache? \
 550       (FILE*)(bfd_last_cache->iostream): \
 551        bfd_cache_lookup_worker(x))
 552 boolean
 553 bfd_cache_init  PARAMS ((bfd *abfd));
 554
 555 boolean
 556 bfd_cache_close  PARAMS ((bfd *abfd));
 557
 558 FILE*
 559 bfd_open_file PARAMS ((bfd *abfd));
 560
 561 FILE *
 562 bfd_cache_lookup_worker PARAMS ((bfd *abfd));
 563
 564 #ifdef _BFD_MAKE_TABLE_bfd_reloc_code_real
 565
 566 static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
 567
 568   "BFD_RELOC_64",
 569   "BFD_RELOC_32",
 570   "BFD_RELOC_26",
 571   "BFD_RELOC_24",
 572   "BFD_RELOC_16",
 573   "BFD_RELOC_14",
 574   "BFD_RELOC_8",
 575   "BFD_RELOC_64_PCREL",
 576   "BFD_RELOC_32_PCREL",
 577   "BFD_RELOC_24_PCREL",
 578   "BFD_RELOC_16_PCREL",
 579   "BFD_RELOC_12_PCREL",
 580   "BFD_RELOC_8_PCREL",
 581   "BFD_RELOC_32_GOT_PCREL",
 582   "BFD_RELOC_16_GOT_PCREL",
 583   "BFD_RELOC_8_GOT_PCREL",
 584   "BFD_RELOC_32_GOTOFF",
 585   "BFD_RELOC_16_GOTOFF",
 586   "BFD_RELOC_LO16_GOTOFF",
 587   "BFD_RELOC_HI16_GOTOFF",
 588   "BFD_RELOC_HI16_S_GOTOFF",
 589   "BFD_RELOC_8_GOTOFF",
 590   "BFD_RELOC_32_PLT_PCREL",
 591   "BFD_RELOC_24_PLT_PCREL",
 592   "BFD_RELOC_16_PLT_PCREL",
 593   "BFD_RELOC_8_PLT_PCREL",
 594   "BFD_RELOC_32_PLTOFF",
 595   "BFD_RELOC_16_PLTOFF",
 596   "BFD_RELOC_LO16_PLTOFF",
 597   "BFD_RELOC_HI16_PLTOFF",
 598   "BFD_RELOC_HI16_S_PLTOFF",
 599   "BFD_RELOC_8_PLTOFF",
 600   "BFD_RELOC_68K_GLOB_DAT",
 601   "BFD_RELOC_68K_JMP_SLOT",
 602   "BFD_RELOC_68K_RELATIVE",
 603   "BFD_RELOC_32_BASEREL",
 604   "BFD_RELOC_16_BASEREL",
 605   "BFD_RELOC_LO16_BASEREL",
 606   "BFD_RELOC_HI16_BASEREL",
 607   "BFD_RELOC_HI16_S_BASEREL",
 608   "BFD_RELOC_8_BASEREL",
 609   "BFD_RELOC_RVA",
 610   "BFD_RELOC_8_FFnn",
 611   "BFD_RELOC_32_PCREL_S2",
 612   "BFD_RELOC_16_PCREL_S2",
 613   "BFD_RELOC_23_PCREL_S2",
 614   "BFD_RELOC_HI22",
 615   "BFD_RELOC_LO10",
 616   "BFD_RELOC_GPREL16",
 617   "BFD_RELOC_GPREL32",
 618   "BFD_RELOC_I960_CALLJ",
 619   "BFD_RELOC_NONE",
 620   "BFD_RELOC_SPARC_WDISP22",
 621   "BFD_RELOC_SPARC22",
 622   "BFD_RELOC_SPARC13",
 623   "BFD_RELOC_SPARC_GOT10",
 624   "BFD_RELOC_SPARC_GOT13",
 625   "BFD_RELOC_SPARC_GOT22",
 626   "BFD_RELOC_SPARC_PC10",
 627   "BFD_RELOC_SPARC_PC22",
 628   "BFD_RELOC_SPARC_WPLT30",
 629   "BFD_RELOC_SPARC_COPY",
 630   "BFD_RELOC_SPARC_GLOB_DAT",
 631   "BFD_RELOC_SPARC_JMP_SLOT",
 632   "BFD_RELOC_SPARC_RELATIVE",
 633   "BFD_RELOC_SPARC_UA32",
 634   "BFD_RELOC_SPARC_BASE13",
 635   "BFD_RELOC_SPARC_BASE22",
 636   "BFD_RELOC_SPARC_10",
 637   "BFD_RELOC_SPARC_11",
 638   "BFD_RELOC_SPARC_OLO10",
 639   "BFD_RELOC_SPARC_HH22",
 640   "BFD_RELOC_SPARC_HM10",
 641   "BFD_RELOC_SPARC_LM22",
 642   "BFD_RELOC_SPARC_PC_HH22",
 643   "BFD_RELOC_SPARC_PC_HM10",
 644   "BFD_RELOC_SPARC_PC_LM22",
 645   "BFD_RELOC_SPARC_WDISP16",
 646   "BFD_RELOC_SPARC_WDISP19",
 647   "BFD_RELOC_SPARC_7",
 648   "BFD_RELOC_SPARC_6",
 649   "BFD_RELOC_SPARC_5",
 650   "BFD_RELOC_SPARC_PLT64",
 651   "BFD_RELOC_SPARC_HIX22",
 652   "BFD_RELOC_SPARC_LOX10",
 653   "BFD_RELOC_SPARC_H44",
 654   "BFD_RELOC_SPARC_M44",
 655   "BFD_RELOC_SPARC_L44",
 656   "BFD_RELOC_SPARC_REGISTER",
 657   "BFD_RELOC_SPARC_REV32",
 658   "BFD_RELOC_ALPHA_GPDISP_HI16",
 659   "BFD_RELOC_ALPHA_GPDISP_LO16",
 660   "BFD_RELOC_ALPHA_GPDISP",
 661   "BFD_RELOC_ALPHA_LITERAL",
 662   "BFD_RELOC_ALPHA_ELF_LITERAL",
 663   "BFD_RELOC_ALPHA_LITUSE",
 664   "BFD_RELOC_ALPHA_HINT",
 665   "BFD_RELOC_ALPHA_LINKAGE",
 666   "BFD_RELOC_ALPHA_CODEADDR",
 667   "BFD_RELOC_MIPS_JMP",
 668   "BFD_RELOC_MIPS16_JMP",
 669   "BFD_RELOC_MIPS16_GPREL",
 670   "BFD_RELOC_HI16",
 671   "BFD_RELOC_HI16_S",
 672   "BFD_RELOC_LO16",
 673   "BFD_RELOC_PCREL_HI16_S",
 674   "BFD_RELOC_PCREL_LO16",
 675   "BFD_RELOC_MIPS_LITERAL",
 676   "BFD_RELOC_MIPS_GOT16",
 677   "BFD_RELOC_MIPS_CALL16",
 678   "BFD_RELOC_MIPS_GOT_HI16",
 679   "BFD_RELOC_MIPS_GOT_LO16",
 680   "BFD_RELOC_MIPS_CALL_HI16",
 681   "BFD_RELOC_MIPS_CALL_LO16",
 682
 683   "BFD_RELOC_386_GOT32",
 684   "BFD_RELOC_386_PLT32",
 685   "BFD_RELOC_386_COPY",
 686   "BFD_RELOC_386_GLOB_DAT",
 687   "BFD_RELOC_386_JUMP_SLOT",
 688   "BFD_RELOC_386_RELATIVE",
 689   "BFD_RELOC_386_GOTOFF",
 690   "BFD_RELOC_386_GOTPC",
 691   "BFD_RELOC_NS32K_IMM_8",
 692   "BFD_RELOC_NS32K_IMM_16",
 693   "BFD_RELOC_NS32K_IMM_32",
 694   "BFD_RELOC_NS32K_IMM_8_PCREL",
 695   "BFD_RELOC_NS32K_IMM_16_PCREL",
 696   "BFD_RELOC_NS32K_IMM_32_PCREL",
 697   "BFD_RELOC_NS32K_DISP_8",
 698   "BFD_RELOC_NS32K_DISP_16",
 699   "BFD_RELOC_NS32K_DISP_32",
 700   "BFD_RELOC_NS32K_DISP_8_PCREL",
 701   "BFD_RELOC_NS32K_DISP_16_PCREL",
 702   "BFD_RELOC_NS32K_DISP_32_PCREL",
 703   "BFD_RELOC_PPC_B26",
 704   "BFD_RELOC_PPC_BA26",
 705   "BFD_RELOC_PPC_TOC16",
 706   "BFD_RELOC_PPC_B16",
 707   "BFD_RELOC_PPC_B16_BRTAKEN",
 708   "BFD_RELOC_PPC_B16_BRNTAKEN",
 709   "BFD_RELOC_PPC_BA16",
 710   "BFD_RELOC_PPC_BA16_BRTAKEN",
 711   "BFD_RELOC_PPC_BA16_BRNTAKEN",
 712   "BFD_RELOC_PPC_COPY",
 713   "BFD_RELOC_PPC_GLOB_DAT",
 714   "BFD_RELOC_PPC_JMP_SLOT",
 715   "BFD_RELOC_PPC_RELATIVE",
 716   "BFD_RELOC_PPC_LOCAL24PC",
 717   "BFD_RELOC_PPC_EMB_NADDR32",
 718   "BFD_RELOC_PPC_EMB_NADDR16",
 719   "BFD_RELOC_PPC_EMB_NADDR16_LO",
 720   "BFD_RELOC_PPC_EMB_NADDR16_HI",
 721   "BFD_RELOC_PPC_EMB_NADDR16_HA",
 722   "BFD_RELOC_PPC_EMB_SDAI16",
 723   "BFD_RELOC_PPC_EMB_SDA2I16",
 724   "BFD_RELOC_PPC_EMB_SDA2REL",
 725   "BFD_RELOC_PPC_EMB_SDA21",
 726   "BFD_RELOC_PPC_EMB_MRKREF",
 727   "BFD_RELOC_PPC_EMB_RELSEC16",
 728   "BFD_RELOC_PPC_EMB_RELST_LO",
 729   "BFD_RELOC_PPC_EMB_RELST_HI",
 730   "BFD_RELOC_PPC_EMB_RELST_HA",
 731   "BFD_RELOC_PPC_EMB_BIT_FLD",
 732   "BFD_RELOC_PPC_EMB_RELSDA",
 733   "BFD_RELOC_CTOR",
 734   "BFD_RELOC_ARM_PCREL_BRANCH",
 735   "BFD_RELOC_ARM_IMMEDIATE",
 736   "BFD_RELOC_ARM_OFFSET_IMM",
 737   "BFD_RELOC_ARM_SHIFT_IMM",
 738   "BFD_RELOC_ARM_SWI",
 739   "BFD_RELOC_ARM_MULTI",
 740   "BFD_RELOC_ARM_CP_OFF_IMM",
 741   "BFD_RELOC_ARM_ADR_IMM",
 742   "BFD_RELOC_ARM_LDR_IMM",
 743   "BFD_RELOC_ARM_LITERAL",
 744   "BFD_RELOC_ARM_IN_POOL",
 745   "BFD_RELOC_ARM_OFFSET_IMM8",
 746   "BFD_RELOC_ARM_HWLITERAL",
 747   "BFD_RELOC_ARM_THUMB_ADD",
 748   "BFD_RELOC_ARM_THUMB_IMM",
 749   "BFD_RELOC_ARM_THUMB_SHIFT",
 750   "BFD_RELOC_ARM_THUMB_OFFSET",
 751   "BFD_RELOC_ARM_GOT12",
 752   "BFD_RELOC_ARM_GOT32",
 753   "BFD_RELOC_ARM_JUMP_SLOT",
 754   "BFD_RELOC_ARM_COPY",
 755   "BFD_RELOC_ARM_GLOB_DAT",
 756   "BFD_RELOC_ARM_PLT32",
 757   "BFD_RELOC_ARM_RELATIVE",
 758   "BFD_RELOC_ARM_GOTOFF",
 759   "BFD_RELOC_ARM_GOTPC",
 760   "BFD_RELOC_SH_PCDISP8BY2",
 761   "BFD_RELOC_SH_PCDISP12BY2",
 762   "BFD_RELOC_SH_IMM4",
 763   "BFD_RELOC_SH_IMM4BY2",
 764   "BFD_RELOC_SH_IMM4BY4",
 765   "BFD_RELOC_SH_IMM8",
 766   "BFD_RELOC_SH_IMM8BY2",
 767   "BFD_RELOC_SH_IMM8BY4",
 768   "BFD_RELOC_SH_PCRELIMM8BY2",
 769   "BFD_RELOC_SH_PCRELIMM8BY4",
 770   "BFD_RELOC_SH_SWITCH16",
 771   "BFD_RELOC_SH_SWITCH32",
 772   "BFD_RELOC_SH_USES",
 773   "BFD_RELOC_SH_COUNT",
 774   "BFD_RELOC_SH_ALIGN",
 775   "BFD_RELOC_SH_CODE",
 776   "BFD_RELOC_SH_DATA",
 777   "BFD_RELOC_SH_LABEL",
 778   "BFD_RELOC_THUMB_PCREL_BRANCH9",
 779   "BFD_RELOC_THUMB_PCREL_BRANCH12",
 780   "BFD_RELOC_THUMB_PCREL_BRANCH23",
 781   "BFD_RELOC_ARC_B22_PCREL",
 782   "BFD_RELOC_ARC_B26",
 783   "BFD_RELOC_D10V_10_PCREL_R",
 784   "BFD_RELOC_D10V_10_PCREL_L",
 785   "BFD_RELOC_D10V_18",
 786   "BFD_RELOC_D10V_18_PCREL",
 787   "BFD_RELOC_D30V_6",
 788   "BFD_RELOC_D30V_9_PCREL",
 789   "BFD_RELOC_D30V_9_PCREL_R",
 790   "BFD_RELOC_D30V_15",
 791   "BFD_RELOC_D30V_15_PCREL",
 792   "BFD_RELOC_D30V_15_PCREL_R",
 793   "BFD_RELOC_D30V_21",
 794   "BFD_RELOC_D30V_21_PCREL",
 795   "BFD_RELOC_D30V_21_PCREL_R",
 796   "BFD_RELOC_D30V_32",
 797   "BFD_RELOC_D30V_32_PCREL",
 798   "BFD_RELOC_M32R_24",
 799   "BFD_RELOC_M32R_10_PCREL",
 800   "BFD_RELOC_M32R_18_PCREL",
 801   "BFD_RELOC_M32R_26_PCREL",
 802   "BFD_RELOC_M32R_HI16_ULO",
 803   "BFD_RELOC_M32R_HI16_SLO",
 804   "BFD_RELOC_M32R_LO16",
 805   "BFD_RELOC_M32R_SDA16",
 806   "BFD_RELOC_V850_9_PCREL",
 807   "BFD_RELOC_V850_22_PCREL",
 808   "BFD_RELOC_V850_SDA_16_16_OFFSET",
 809   "BFD_RELOC_V850_SDA_15_16_OFFSET",
 810   "BFD_RELOC_V850_ZDA_16_16_OFFSET",
 811   "BFD_RELOC_V850_ZDA_15_16_OFFSET",
 812   "BFD_RELOC_V850_TDA_6_8_OFFSET",
 813   "BFD_RELOC_V850_TDA_7_8_OFFSET",
 814   "BFD_RELOC_V850_TDA_7_7_OFFSET",
 815   "BFD_RELOC_V850_TDA_16_16_OFFSET",
 816   "BFD_RELOC_V850_TDA_4_5_OFFSET",
 817   "BFD_RELOC_V850_TDA_4_4_OFFSET",
 818   "BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET",
 819   "BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET",
 820   "BFD_RELOC_V850_CALLT_6_7_OFFSET",
 821   "BFD_RELOC_V850_CALLT_16_16_OFFSET",
 822
 823   "BFD_RELOC_MN10300_32_PCREL",
 824   "BFD_RELOC_MN10300_16_PCREL",
 825   "BFD_RELOC_TIC30_LDP",
 826   "BFD_RELOC_FR30_48",
 827   "BFD_RELOC_FR30_20",
 828   "BFD_RELOC_FR30_6_IN_4",
 829   "BFD_RELOC_FR30_8_IN_8",
 830   "BFD_RELOC_FR30_9_IN_8",
 831   "BFD_RELOC_FR30_10_IN_8",
 832   "BFD_RELOC_FR30_9_PCREL",
 833   "BFD_RELOC_FR30_12_PCREL",
 834   "BFD_RELOC_MCORE_PCREL_IMM8BY4",
 835   "BFD_RELOC_MCORE_PCREL_IMM11BY2",
 836   "BFD_RELOC_MCORE_PCREL_IMM4BY2",
 837   "BFD_RELOC_MCORE_PCREL_32",
 838   "BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2",
 839   "BFD_RELOC_VTABLE_INHERIT",
 840   "BFD_RELOC_VTABLE_ENTRY",
 841  "@@overflow: BFD_RELOC_UNUSED@@",
 842 };
 843 #endif
 844
 845 reloc_howto_type *
 846 bfd_default_reloc_type_lookup
 847  PARAMS ((bfd *abfd, bfd_reloc_code_real_type  code));
 848
 849 boolean
 850 bfd_generic_relax_section
 851  PARAMS ((bfd *abfd,
 852     asection *section,
 853     struct bfd_link_info *,
 854     boolean *));
 855
 856 boolean
 857 bfd_generic_gc_sections
 858  PARAMS ((bfd *, struct bfd_link_info *));
 859
 860 bfd_byte *
 861
 862 bfd_generic_get_relocated_section_contents  PARAMS ((bfd *abfd,
 863     struct bfd_link_info *link_info,
 864     struct bfd_link_order *link_order,
 865     bfd_byte *data,
 866     boolean relocateable,
 867     asymbol **symbols));
 868
 869 extern const bfd_arch_info_type bfd_default_arch_struct;
 870 boolean
 871 bfd_default_set_arch_mach PARAMS ((bfd *abfd,
 872     enum bfd_architecture arch,
 873     unsigned long mach));
 874
 875 const bfd_arch_info_type *
 876 bfd_default_compatible
 877  PARAMS ((const bfd_arch_info_type *a,
 878     const bfd_arch_info_type *b));
 879
 880 boolean
 881 bfd_default_scan PARAMS ((const struct bfd_arch_info *info, const char *string));
 882
 883 struct elf_internal_shdr *
 884 bfd_elf_find_section  PARAMS ((bfd *abfd, char *name));
 885