bfd/libcoff.h

   1 /* BFD COFF object file private structure.
   2    Copyright (C) 1990, 91, 92, 93, 94, 1995 Free Software Foundation, Inc.
   3    Written by Cygnus Support.
   4
   5 This file is part of BFD, the Binary File Descriptor library.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program; if not, write to the Free Software
  19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 #include "bfdlink.h"
  22
  23 /* Object file tdata; access macros */
  24
  25 #define coff_data(bfd)          ((bfd)->tdata.coff_obj_data)
  26 #define exec_hdr(bfd)           (coff_data(bfd)->hdr)
  27 #define obj_pe(bfd)             (coff_data(bfd)->pe)
  28 #define obj_symbols(bfd)        (coff_data(bfd)->symbols)
  29 #define obj_sym_filepos(bfd)    (coff_data(bfd)->sym_filepos)
  30
  31 #define obj_relocbase(bfd)      (coff_data(bfd)->relocbase)
  32 #define obj_raw_syments(bfd)    (coff_data(bfd)->raw_syments)
  33 #define obj_raw_syment_count(bfd)       (coff_data(bfd)->raw_syment_count)
  34 #define obj_convert(bfd)        (coff_data(bfd)->conversion_table)
  35 #define obj_conv_table_size(bfd) (coff_data(bfd)->conv_table_size)
  36
  37 #define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms)
  38 #define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms)
  39 #define obj_coff_strings(bfd)   (coff_data (bfd)->strings)
  40 #define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings)
  41 #define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes)
  42
  43 /* `Tdata' information kept for COFF files.  */
  44
  45 typedef struct coff_tdata
  46 {
  47   struct   coff_symbol_struct *symbols; /* symtab for input bfd */
  48   unsigned int *conversion_table;
  49   int conv_table_size;
  50   file_ptr sym_filepos;
  51
  52   struct coff_ptr_struct *raw_syments;
  53   unsigned int raw_syment_count;
  54
  55   /* These are only valid once writing has begun */
  56   long int relocbase;
  57
  58   /* These members communicate important constants about the symbol table
  59      to GDB's symbol-reading code.  These `constants' unfortunately vary
  60      from coff implementation to implementation...  */
  61   unsigned local_n_btmask;
  62   unsigned local_n_btshft;
  63   unsigned local_n_tmask;
  64   unsigned local_n_tshift;
  65   unsigned local_symesz;
  66   unsigned local_auxesz;
  67   unsigned local_linesz;
  68
  69   /* The unswapped external symbols.  May be NULL.  Read by
  70      _bfd_coff_get_external_symbols.  */
  71   PTR external_syms;
  72   /* If this is true, the external_syms may not be freed.  */
  73   boolean keep_syms;
  74
  75   /* The string table.  May be NULL.  Read by
  76      _bfd_coff_read_string_table.  */
  77   char *strings;
  78   /* If this is true, the strings may not be freed.  */
  79   boolean keep_strings;
  80
  81   /* is this a PE format coff file */
  82   int pe;
  83   /* Used by the COFF backend linker.  */
  84   struct coff_link_hash_entry **sym_hashes;
  85
  86   struct bfd_link_info *link_info;
  87 } coff_data_type;
  88
  89 /* Tdata for pe image files. */
  90 typedef struct pe_tdata
  91 {
  92   coff_data_type coff;
  93   struct internal_extra_pe_aouthdr pe_opthdr;
  94   int dll;
  95   int has_reloc_section;
  96   boolean (*in_reloc_p) PARAMS((bfd *, reloc_howto_type *));
  97 } pe_data_type;
  98
  99 #define pe_data(bfd)            ((bfd)->tdata.pe_obj_data)
 100
 101 /* Tdata for XCOFF files.  */
 102
 103 struct xcoff_tdata
 104 {
 105   /* Basic COFF information.  */
 106   coff_data_type coff;
 107
 108   /* True if a large a.out header should be generated.  */
 109   boolean full_aouthdr;
 110
 111   /* TOC value.  */
 112   bfd_vma toc;
 113
 114   /* Section holding TOC.  */
 115   asection *toc_section;
 116
 117   /* Section holding entry point.  */
 118   asection *entry_section;
 119
 120   /* .text alignment from optional header.  */
 121   int text_align_power;
 122
 123   /* .data alignment from optional header.  */
 124   int data_align_power;
 125
 126   /* modtype from optional header.  */
 127   short modtype;
 128
 129   /* cputype from optional header.  */
 130   short cputype;
 131
 132   /* maxdata from optional header.  */
 133   bfd_size_type maxdata;
 134
 135   /* maxstack from optional header.  */
 136   bfd_size_type maxstack;
 137
 138   /* Used by the XCOFF backend linker.  */
 139   asection **csects;
 140   unsigned long *debug_indices;
 141   unsigned int import_file_id;
 142 };
 143
 144 #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data)
 145
 146 /* We take the address of the first element of a asymbol to ensure that the
 147  * macro is only ever applied to an asymbol.  */
 148 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
 149
 150 /* The used_by_bfd field of a section may be set to a pointer to this
 151    structure.  */
 152
 153 struct coff_section_tdata
 154 {
 155   /* The relocs, swapped into COFF internal form.  This may be NULL.  */
 156   struct internal_reloc *relocs;
 157   /* If this is true, the relocs entry may not be freed.  */
 158   boolean keep_relocs;
 159   /* The section contents.  This may be NULL.  */
 160   bfd_byte *contents;
 161   /* If this is true, the contents entry may not be freed.  */
 162   boolean keep_contents;
 163   /* Information cached by coff_find_nearest_line.  */
 164   bfd_vma offset;
 165   unsigned int i;
 166   const char *function;
 167   int line_base;
 168   /* Available for individual backends.  */
 169   PTR tdata;
 170 };
 171
 172 /* An accessor macro for the coff_section_tdata structure.  */
 173 #define coff_section_data(abfd, sec) \
 174   ((struct coff_section_tdata *) (sec)->used_by_bfd)
 175
 176 /* Tdata for sections in XCOFF files.  This is used by the linker.  */
 177
 178 struct xcoff_section_tdata
 179 {
 180   /* Used for XCOFF csects created by the linker; points to the real
 181      XCOFF section which contains this csect.  */
 182   asection *enclosing;
 183   /* The lineno_count field for the enclosing section, because we are
 184      going to clobber it there.  */
 185   unsigned int lineno_count;
 186   /* The first and one past the last symbol indices for symbols used
 187      by this csect.  */
 188   unsigned long first_symndx;
 189   unsigned long last_symndx;
 190 };
 191
 192 /* An accessor macro the xcoff_section_tdata structure.  */
 193 #define xcoff_section_data(abfd, sec) \
 194   ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
 195
 196 /* COFF linker hash table entries.  */
 197
 198 struct coff_link_hash_entry
 199 {
 200   struct bfd_link_hash_entry root;
 201
 202   /* Symbol index in output file.  Set to -1 initially.  Set to -2 if
 203      there is a reloc against this symbol.  */
 204   long indx;
 205
 206   /* Symbol type.  */
 207   unsigned short type;
 208
 209   /* Symbol class.  */
 210   unsigned char class;
 211
 212   /* Number of auxiliary entries.  */
 213   char numaux;
 214
 215   /* BFD to take auxiliary entries from.  */
 216   bfd *auxbfd;
 217
 218   /* Pointer to array of auxiliary entries, if any.  */
 219   union internal_auxent *aux;
 220 };
 221
 222 /* COFF linker hash table.  */
 223
 224 struct coff_link_hash_table
 225 {
 226   struct bfd_link_hash_table root;
 227 };
 228
 229 /* Look up an entry in a COFF linker hash table.  */
 230
 231 #define coff_link_hash_lookup(table, string, create, copy, follow)      \
 232   ((struct coff_link_hash_entry *)                                      \
 233    bfd_link_hash_lookup (&(table)->root, (string), (create),            \
 234                          (copy), (follow)))
 235
 236 /* Traverse a COFF linker hash table.  */
 237
 238 #define coff_link_hash_traverse(table, func, info)                      \
 239   (bfd_link_hash_traverse                                               \
 240    (&(table)->root,                                                     \
 241     (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func),  \
 242     (info)))
 243
 244 /* Get the COFF linker hash table from a link_info structure.  */
 245
 246 #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash))
 247
 248 /* Functions in coffgen.c.  */
 249 extern const bfd_target *coff_object_p PARAMS ((bfd *));
 250 extern struct sec *coff_section_from_bfd_index PARAMS ((bfd *, int));
 251 extern long coff_get_symtab_upper_bound PARAMS ((bfd *));
 252 extern long coff_get_symtab PARAMS ((bfd *, asymbol **));
 253 extern int coff_count_linenumbers PARAMS ((bfd *));
 254 extern struct coff_symbol_struct *coff_symbol_from PARAMS ((bfd *, asymbol *));
 255 extern boolean coff_renumber_symbols PARAMS ((bfd *, int *));
 256 extern void coff_mangle_symbols PARAMS ((bfd *));
 257 extern boolean coff_write_symbols PARAMS ((bfd *));
 258 extern boolean coff_write_linenumbers PARAMS ((bfd *));
 259 extern alent *coff_get_lineno PARAMS ((bfd *, asymbol *));
 260 extern asymbol *coff_section_symbol PARAMS ((bfd *, char *));
 261 extern boolean _bfd_coff_get_external_symbols PARAMS ((bfd *));
 262 extern const char *_bfd_coff_read_string_table PARAMS ((bfd *));
 263 extern boolean _bfd_coff_free_symbols PARAMS ((bfd *));
 264 extern struct coff_ptr_struct *coff_get_normalized_symtab PARAMS ((bfd *));
 265 extern long coff_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr));
 266 extern asymbol *coff_make_empty_symbol PARAMS ((bfd *));
 267 extern void coff_print_symbol PARAMS ((bfd *, PTR filep, asymbol *,
 268                                        bfd_print_symbol_type how));
 269 extern void coff_get_symbol_info PARAMS ((bfd *, asymbol *,
 270                                           symbol_info *ret));
 271 extern asymbol *coff_bfd_make_debug_symbol PARAMS ((bfd *, PTR,
 272                                                     unsigned long));
 273 extern boolean coff_find_nearest_line PARAMS ((bfd *,
 274                                                asection *,
 275                                                asymbol **,
 276                                                bfd_vma offset,
 277                                                CONST char **filename_ptr,
 278                                                CONST char **functionname_ptr,
 279                                                unsigned int *line_ptr));
 280 extern int coff_sizeof_headers PARAMS ((bfd *, boolean reloc));
 281 extern boolean bfd_coff_reloc16_relax_section
 282   PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *));
 283 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents
 284   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
 285            bfd_byte *, boolean relocateable, asymbol **));
 286 extern bfd_vma bfd_coff_reloc16_get_value PARAMS ((arelent *,
 287                                                    struct bfd_link_info *,
 288                                                    asection *));
 289 extern void bfd_perform_slip PARAMS ((bfd *abfd, unsigned int slip,
 290                                       asection *input_section,
 291                                       bfd_vma val));
 292
 293 /* Functions in cofflink.c.  */
 294
 295 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc
 296   PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
 297 extern boolean _bfd_coff_link_hash_table_init
 298   PARAMS ((struct coff_link_hash_table *, bfd *,
 299            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 300                                        struct bfd_hash_table *,
 301                                        const char *)));
 302 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create
 303   PARAMS ((bfd *));
 304 extern const char *_bfd_coff_internal_syment_name
 305   PARAMS ((bfd *, const struct internal_syment *, char *));
 306 extern boolean _bfd_coff_link_add_symbols
 307   PARAMS ((bfd *, struct bfd_link_info *));
 308 extern boolean _bfd_coff_final_link
 309   PARAMS ((bfd *, struct bfd_link_info *));
 310 extern struct internal_reloc *_bfd_coff_read_internal_relocs
 311   PARAMS ((bfd *, asection *, boolean, bfd_byte *, boolean,
 312            struct internal_reloc *));
 313 extern boolean _bfd_coff_generic_relocate_section
 314   PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
 315            struct internal_reloc *, struct internal_syment *, asection **));
 316
 317 /* Functions in xcofflink.c.  */
 318
 319 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create
 320   PARAMS ((bfd *));
 321 extern boolean _bfd_xcoff_bfd_link_add_symbols
 322   PARAMS ((bfd *, struct bfd_link_info *));
 323 extern boolean _bfd_xcoff_bfd_final_link
 324   PARAMS ((bfd *, struct bfd_link_info *));
 325 extern boolean _bfd_ppc_xcoff_relocate_section
 326   PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
 327            struct internal_reloc *, struct internal_syment *, asection **));
 328
 329 /* And more taken from the source .. */
 330
 331 typedef struct coff_ptr_struct
 332 {
 333
 334         /* Remembers the offset from the first symbol in the file for
 335           this symbol. Generated by coff_renumber_symbols. */
 336 unsigned int offset;
 337
 338         /* Should the value of this symbol be renumbered.  Used for
 339           XCOFF C_BSTAT symbols.  Set by coff_slurp_symbol_table.  */
 340 unsigned int fix_value : 1;
 341
 342         /* Should the tag field of this symbol be renumbered.
 343           Created by coff_pointerize_aux. */
 344 unsigned int fix_tag : 1;
 345
 346         /* Should the endidx field of this symbol be renumbered.
 347           Created by coff_pointerize_aux. */
 348 unsigned int fix_end : 1;
 349
 350         /* Should the x_csect.x_scnlen field be renumbered.
 351           Created by coff_pointerize_aux. */
 352 unsigned int fix_scnlen : 1;
 353
 354         /* Fix up an XCOFF C_BINCL/C_EINCL symbol.  The value is the
 355           index into the line number entries.  Set by
 356           coff_slurp_symbol_table.  */
 357 unsigned int fix_line : 1;
 358
 359         /* The container for the symbol structure as read and translated
 360            from the file. */
 361
 362 union {
 363    union internal_auxent auxent;
 364    struct internal_syment syment;
 365  } u;
 366 } combined_entry_type;
 367
 368
 369  /* Each canonical asymbol really looks like this: */
 370
 371 typedef struct coff_symbol_struct
 372 {
 373     /* The actual symbol which the rest of BFD works with */
 374 asymbol symbol;
 375
 376     /* A pointer to the hidden information for this symbol */
 377 combined_entry_type *native;
 378
 379     /* A pointer to the linenumber information for this symbol */
 380 struct lineno_cache_entry *lineno;
 381
 382     /* Have the line numbers been relocated yet ? */
 383 boolean done_lineno;
 384 } coff_symbol_type;
 385 typedef struct
 386 {
 387   void (*_bfd_coff_swap_aux_in) PARAMS ((
 388        bfd            *abfd,
 389        PTR             ext,
 390        int             type,
 391        int             class,
 392        int             indaux,
 393        int             numaux,
 394        PTR             in));
 395
 396   void (*_bfd_coff_swap_sym_in) PARAMS ((
 397        bfd            *abfd ,
 398        PTR             ext,
 399        PTR             in));
 400
 401   void (*_bfd_coff_swap_lineno_in) PARAMS ((
 402        bfd            *abfd,
 403        PTR            ext,
 404        PTR             in));
 405
 406  unsigned int (*_bfd_coff_swap_aux_out) PARAMS ((
 407        bfd      *abfd,
 408        PTR      in,
 409        int      type,
 410        int      class,
 411        int     indaux,
 412        int     numaux,
 413        PTR      ext));
 414
 415  unsigned int (*_bfd_coff_swap_sym_out) PARAMS ((
 416       bfd      *abfd,
 417       PTR       in,
 418       PTR       ext));
 419
 420  unsigned int (*_bfd_coff_swap_lineno_out) PARAMS ((
 421         bfd     *abfd,
 422         PTR     in,
 423         PTR     ext));
 424
 425  unsigned int (*_bfd_coff_swap_reloc_out) PARAMS ((
 426         bfd     *abfd,
 427         PTR     src,
 428         PTR     dst));
 429
 430  unsigned int (*_bfd_coff_swap_filehdr_out) PARAMS ((
 431         bfd     *abfd,
 432         PTR     in,
 433         PTR     out));
 434
 435  unsigned int (*_bfd_coff_swap_aouthdr_out) PARAMS ((
 436         bfd     *abfd,
 437         PTR     in,
 438         PTR     out));
 439
 440  unsigned int (*_bfd_coff_swap_scnhdr_out) PARAMS ((
 441         bfd     *abfd,
 442         PTR     in,
 443         PTR     out));
 444
 445  unsigned int _bfd_filhsz;
 446  unsigned int _bfd_aoutsz;
 447  unsigned int _bfd_scnhsz;
 448  unsigned int _bfd_symesz;
 449  unsigned int _bfd_auxesz;
 450  unsigned int _bfd_relsz;
 451  unsigned int _bfd_linesz;
 452  boolean _bfd_coff_long_filenames;
 453  void (*_bfd_coff_swap_filehdr_in) PARAMS ((
 454        bfd     *abfd,
 455        PTR     ext,
 456        PTR     in));
 457  void (*_bfd_coff_swap_aouthdr_in) PARAMS ((
 458        bfd     *abfd,
 459        PTR     ext,
 460        PTR     in));
 461  void (*_bfd_coff_swap_scnhdr_in) PARAMS ((
 462        bfd     *abfd,
 463        PTR     ext,
 464        PTR     in));
 465  void (*_bfd_coff_swap_reloc_in) PARAMS ((
 466        bfd     *abfd,
 467        PTR     ext,
 468        PTR     in));
 469  boolean (*_bfd_coff_bad_format_hook) PARAMS ((
 470        bfd     *abfd,
 471        PTR     internal_filehdr));
 472  boolean (*_bfd_coff_set_arch_mach_hook) PARAMS ((
 473        bfd     *abfd,
 474        PTR     internal_filehdr));
 475  PTR (*_bfd_coff_mkobject_hook) PARAMS ((
 476        bfd     *abfd,
 477        PTR     internal_filehdr,
 478        PTR     internal_aouthdr));
 479  flagword (*_bfd_styp_to_sec_flags_hook) PARAMS ((
 480        bfd     *abfd,
 481        PTR     internal_scnhdr,
 482        const char *name));
 483  void (*_bfd_set_alignment_hook) PARAMS ((
 484        bfd     *abfd,
 485        asection *sec,
 486        PTR     internal_scnhdr));
 487  boolean (*_bfd_coff_slurp_symbol_table) PARAMS ((
 488        bfd     *abfd));
 489  boolean (*_bfd_coff_symname_in_debug) PARAMS ((
 490        bfd     *abfd,
 491        struct internal_syment *sym));
 492  boolean (*_bfd_coff_pointerize_aux_hook) PARAMS ((
 493        bfd *abfd,
 494        combined_entry_type *table_base,
 495        combined_entry_type *symbol,
 496        unsigned int indaux,
 497        combined_entry_type *aux));
 498  boolean (*_bfd_coff_print_aux) PARAMS ((
 499        bfd *abfd,
 500        FILE *file,
 501        combined_entry_type *table_base,
 502        combined_entry_type *symbol,
 503        combined_entry_type *aux,
 504        unsigned int indaux));
 505  void (*_bfd_coff_reloc16_extra_cases) PARAMS ((
 506        bfd     *abfd,
 507        struct bfd_link_info *link_info,
 508        struct bfd_link_order *link_order,
 509        arelent *reloc,
 510        bfd_byte *data,
 511        unsigned int *src_ptr,
 512        unsigned int *dst_ptr));
 513  int (*_bfd_coff_reloc16_estimate) PARAMS ((
 514        bfd *abfd,
 515        asection *input_section,
 516        arelent *r,
 517        unsigned int shrink,
 518        struct bfd_link_info *link_info));
 519  boolean (*_bfd_coff_sym_is_global) PARAMS ((
 520        bfd *abfd,
 521        struct internal_syment *));
 522  void (*_bfd_coff_compute_section_file_positions) PARAMS ((
 523        bfd *abfd));
 524  boolean (*_bfd_coff_start_final_link) PARAMS ((
 525        bfd *output_bfd,
 526        struct bfd_link_info *info));
 527  boolean (*_bfd_coff_relocate_section) PARAMS ((
 528        bfd *output_bfd,
 529        struct bfd_link_info *info,
 530        bfd *input_bfd,
 531        asection *input_section,
 532        bfd_byte *contents,
 533        struct internal_reloc *relocs,
 534        struct internal_syment *syms,
 535        asection **sections));
 536  reloc_howto_type *(*_bfd_coff_rtype_to_howto) PARAMS ((
 537        bfd *abfd,
 538        asection *sec,
 539        struct internal_reloc *rel,
 540        struct coff_link_hash_entry *h,
 541        struct internal_syment *sym,
 542        bfd_vma *addendp));
 543  boolean (*_bfd_coff_adjust_symndx) PARAMS ((
 544        bfd *obfd,
 545        struct bfd_link_info *info,
 546        bfd *ibfd,
 547        asection *sec,
 548        struct internal_reloc *reloc,
 549        boolean *adjustedp));
 550
 551 } bfd_coff_backend_data;
 552
 553 #define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
 554
 555 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \
 556         ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i))
 557
 558 #define bfd_coff_swap_sym_in(a,e,i) \
 559         ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
 560
 561 #define bfd_coff_swap_lineno_in(a,e,i) \
 562         ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
 563
 564 #define bfd_coff_swap_reloc_out(abfd, i, o) \
 565         ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
 566
 567 #define bfd_coff_swap_lineno_out(abfd, i, o) \
 568         ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
 569
 570 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \
 571         ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o))
 572
 573 #define bfd_coff_swap_sym_out(abfd, i,o) \
 574         ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
 575
 576 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \
 577         ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
 578
 579 #define bfd_coff_swap_filehdr_out(abfd, i,o) \
 580         ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
 581
 582 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \
 583         ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
 584
 585 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
 586 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
 587 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
 588 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
 589 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
 590 #define bfd_coff_relsz(abfd)  (coff_backend_info (abfd)->_bfd_relsz)
 591 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
 592 #define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames)
 593 #define bfd_coff_swap_filehdr_in(abfd, i,o) \
 594         ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
 595
 596 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \
 597         ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
 598
 599 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \
 600         ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
 601
 602 #define bfd_coff_swap_reloc_in(abfd, i, o) \
 603         ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o))
 604
 605 #define bfd_coff_bad_format_hook(abfd, filehdr) \
 606         ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
 607
 608 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
 609         ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
 610 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\
 611         ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr))
 612
 613 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name)\
 614         ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook) (abfd, scnhdr, name))
 615
 616 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
 617         ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
 618
 619 #define bfd_coff_slurp_symbol_table(abfd)\
 620         ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
 621
 622 #define bfd_coff_symname_in_debug(abfd, sym)\
 623         ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
 624
 625 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\
 626         ((coff_backend_info (abfd)->_bfd_coff_print_aux)\
 627          (abfd, file, base, symbol, aux, indaux))
 628
 629 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)\
 630         ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
 631          (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr))
 632
 633 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\
 634         ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
 635          (abfd, section, reloc, shrink, link_info))
 636
 637 #define bfd_coff_sym_is_global(abfd, sym)\
 638         ((coff_backend_info (abfd)->_bfd_coff_sym_is_global)\
 639          (abfd, sym))
 640
 641 #define bfd_coff_compute_section_file_positions(abfd)\
 642         ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\
 643          (abfd))
 644
 645 #define bfd_coff_start_final_link(obfd, info)\
 646         ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\
 647          (obfd, info))
 648 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\
 649         ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\
 650          (obfd, info, ibfd, o, con, rel, isyms, secs))
 651 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\
 652         ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\
 653          (abfd, sec, rel, h, sym, addendp))
 654 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\
 655         ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\
 656          (obfd, info, ibfd, sec, rel, adjustedp))
 657