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   /* TOC value.  */
 109   bfd_vma toc;
 110
 111   /* .text alignment from optional header.  */
 112   int text_align_power;
 113
 114   /* .data alignment from optional header.  */
 115   int data_align_power;
 116
 117   /* modtype from optional header.  */
 118   short modtype;
 119
 120   /* cputype from optional header.  */
 121   short cputype;
 122
 123   /* maxdata from optional header.  */
 124   bfd_size_type maxdata;
 125
 126   /* maxstack from optional header.  */
 127   bfd_size_type maxstack;
 128
 129   /* Used by the XCOFF backend linker.  */
 130   asection **csects;
 131   unsigned long *debug_indices;
 132   unsigned int import_file_id;
 133 };
 134
 135 #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data)
 136
 137 /* We take the address of the first element of a asymbol to ensure that the
 138  * macro is only ever applied to an asymbol.  */
 139 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
 140
 141 /* The used_by_bfd field of a section may be set to a pointer to this
 142    structure.  */
 143
 144 struct coff_section_tdata
 145 {
 146   /* The relocs, swapped into COFF internal form.  This may be NULL.  */
 147   struct internal_reloc *relocs;
 148   /* If this is true, the relocs entry may not be freed.  */
 149   boolean keep_relocs;
 150   /* The section contents.  This may be NULL.  */
 151   bfd_byte *contents;
 152   /* If this is true, the contents entry may not be freed.  */
 153   boolean keep_contents;
 154   /* Information cached by coff_find_nearest_line.  */
 155   bfd_vma offset;
 156   unsigned int i;
 157   const char *function;
 158   int line_base;
 159   /* Available for individual backends.  */
 160   PTR tdata;
 161 };
 162
 163 /* An accessor macro for the coff_section_tdata structure.  */
 164 #define coff_section_data(abfd, sec) \
 165   ((struct coff_section_tdata *) (sec)->used_by_bfd)
 166
 167 /* Tdata for sections in XCOFF files.  This is used by the linker.  */
 168
 169 struct xcoff_section_tdata
 170 {
 171   /* Used for XCOFF csects created by the linker; points to the real
 172      XCOFF section which contains this csect.  */
 173   asection *enclosing;
 174   /* The lineno_count field for the enclosing section, because we are
 175      going to clobber it there.  */
 176   unsigned int lineno_count;
 177   /* The first and one past the last symbol indices for symbols used
 178      by this csect.  */
 179   unsigned long first_symndx;
 180   unsigned long last_symndx;
 181   /* The number of .loader relocs in this csect.  */
 182   size_t ldrel_count;
 183 };
 184
 185 /* An accessor macro the xcoff_section_tdata structure.  */
 186 #define xcoff_section_data(abfd, sec) \
 187   ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
 188
 189 /* COFF linker hash table entries.  */
 190
 191 struct coff_link_hash_entry
 192 {
 193   struct bfd_link_hash_entry root;
 194
 195   /* Symbol index in output file.  Set to -1 initially.  Set to -2 if
 196      there is a reloc against this symbol.  */
 197   long indx;
 198
 199   /* Symbol type.  */
 200   unsigned short type;
 201
 202   /* Symbol class.  */
 203   unsigned char class;
 204
 205   /* Number of auxiliary entries.  */
 206   char numaux;
 207
 208   /* BFD to take auxiliary entries from.  */
 209   bfd *auxbfd;
 210
 211   /* Pointer to array of auxiliary entries, if any.  */
 212   union internal_auxent *aux;
 213 };
 214
 215 /* COFF linker hash table.  */
 216
 217 struct coff_link_hash_table
 218 {
 219   struct bfd_link_hash_table root;
 220 };
 221
 222 /* Look up an entry in a COFF linker hash table.  */
 223
 224 #define coff_link_hash_lookup(table, string, create, copy, follow)      \
 225   ((struct coff_link_hash_entry *)                                      \
 226    bfd_link_hash_lookup (&(table)->root, (string), (create),            \
 227                          (copy), (follow)))
 228
 229 /* Traverse a COFF linker hash table.  */
 230
 231 #define coff_link_hash_traverse(table, func, info)                      \
 232   (bfd_link_hash_traverse                                               \
 233    (&(table)->root,                                                     \
 234     (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func),  \
 235     (info)))
 236
 237 /* Get the COFF linker hash table from a link_info structure.  */
 238
 239 #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash))
 240
 241 /* Functions in coffgen.c.  */
 242 extern const bfd_target *coff_object_p PARAMS ((bfd *));
 243 extern struct sec *coff_section_from_bfd_index PARAMS ((bfd *, int));
 244 extern long coff_get_symtab_upper_bound PARAMS ((bfd *));
 245 extern long coff_get_symtab PARAMS ((bfd *, asymbol **));
 246 extern int coff_count_linenumbers PARAMS ((bfd *));
 247 extern struct coff_symbol_struct *coff_symbol_from PARAMS ((bfd *, asymbol *));
 248 extern boolean coff_renumber_symbols PARAMS ((bfd *, int *));
 249 extern void coff_mangle_symbols PARAMS ((bfd *));
 250 extern boolean coff_write_symbols PARAMS ((bfd *));
 251 extern boolean coff_write_linenumbers PARAMS ((bfd *));
 252 extern alent *coff_get_lineno PARAMS ((bfd *, asymbol *));
 253 extern asymbol *coff_section_symbol PARAMS ((bfd *, char *));
 254 extern boolean _bfd_coff_get_external_symbols PARAMS ((bfd *));
 255 extern const char *_bfd_coff_read_string_table PARAMS ((bfd *));
 256 extern boolean _bfd_coff_free_symbols PARAMS ((bfd *));
 257 extern struct coff_ptr_struct *coff_get_normalized_symtab PARAMS ((bfd *));
 258 extern long coff_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr));
 259 extern asymbol *coff_make_empty_symbol PARAMS ((bfd *));
 260 extern void coff_print_symbol PARAMS ((bfd *, PTR filep, asymbol *,
 261                                        bfd_print_symbol_type how));
 262 extern void coff_get_symbol_info PARAMS ((bfd *, asymbol *,
 263                                           symbol_info *ret));
 264 extern asymbol *coff_bfd_make_debug_symbol PARAMS ((bfd *, PTR,
 265                                                     unsigned long));
 266 extern boolean coff_find_nearest_line PARAMS ((bfd *,
 267                                                asection *,
 268                                                asymbol **,
 269                                                bfd_vma offset,
 270                                                CONST char **filename_ptr,
 271                                                CONST char **functionname_ptr,
 272                                                unsigned int *line_ptr));
 273 extern int coff_sizeof_headers PARAMS ((bfd *, boolean reloc));
 274 extern boolean bfd_coff_reloc16_relax_section
 275   PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *));
 276 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents
 277   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
 278            bfd_byte *, boolean relocateable, asymbol **));
 279 extern bfd_vma bfd_coff_reloc16_get_value PARAMS ((arelent *,
 280                                                    struct bfd_link_info *,
 281                                                    asection *));
 282 extern void bfd_perform_slip PARAMS ((bfd *abfd, unsigned int slip,
 283                                       asection *input_section,
 284                                       bfd_vma val));
 285
 286 /* Functions in cofflink.c.  */
 287
 288 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc
 289   PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
 290 extern boolean _bfd_coff_link_hash_table_init
 291   PARAMS ((struct coff_link_hash_table *, bfd *,
 292            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 293                                        struct bfd_hash_table *,
 294                                        const char *)));
 295 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create
 296   PARAMS ((bfd *));
 297 extern const char *_bfd_coff_internal_syment_name
 298   PARAMS ((bfd *, const struct internal_syment *, char *));
 299 extern boolean _bfd_coff_link_add_symbols
 300   PARAMS ((bfd *, struct bfd_link_info *));
 301 extern boolean _bfd_coff_final_link
 302   PARAMS ((bfd *, struct bfd_link_info *));
 303 extern struct internal_reloc *_bfd_coff_read_internal_relocs
 304   PARAMS ((bfd *, asection *, boolean, bfd_byte *, boolean,
 305            struct internal_reloc *));
 306 extern boolean _bfd_coff_generic_relocate_section
 307   PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
 308            struct internal_reloc *, struct internal_syment *, asection **));
 309
 310 /* Functions in xcofflink.c.  */
 311
 312 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create
 313   PARAMS ((bfd *));
 314 extern boolean _bfd_xcoff_bfd_link_add_symbols
 315   PARAMS ((bfd *, struct bfd_link_info *));
 316 extern boolean _bfd_xcoff_bfd_final_link
 317   PARAMS ((bfd *, struct bfd_link_info *));
 318 extern boolean _bfd_ppc_xcoff_relocate_section
 319   PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
 320            struct internal_reloc *, struct internal_syment *, asection **));
 321
 322 /* And more taken from the source .. */
 323
 324 typedef struct coff_ptr_struct
 325 {
 326
 327         /* Remembers the offset from the first symbol in the file for
 328           this symbol. Generated by coff_renumber_symbols. */
 329 unsigned int offset;
 330
 331         /* Should the value of this symbol be renumbered.  Used for
 332           XCOFF C_BSTAT symbols.  Set by coff_slurp_symbol_table.  */
 333 unsigned int fix_value : 1;
 334
 335         /* Should the tag field of this symbol be renumbered.
 336           Created by coff_pointerize_aux. */
 337 unsigned int fix_tag : 1;
 338
 339         /* Should the endidx field of this symbol be renumbered.
 340           Created by coff_pointerize_aux. */
 341 unsigned int fix_end : 1;
 342
 343         /* Should the x_csect.x_scnlen field be renumbered.
 344           Created by coff_pointerize_aux. */
 345 unsigned int fix_scnlen : 1;
 346
 347         /* Fix up an XCOFF C_BINCL/C_EINCL symbol.  The value is the
 348           index into the line number entries.  Set by
 349           coff_slurp_symbol_table.  */
 350 unsigned int fix_line : 1;
 351
 352         /* The container for the symbol structure as read and translated
 353            from the file. */
 354
 355 union {
 356    union internal_auxent auxent;
 357    struct internal_syment syment;
 358  } u;
 359 } combined_entry_type;
 360
 361
 362  /* Each canonical asymbol really looks like this: */
 363
 364 typedef struct coff_symbol_struct
 365 {
 366     /* The actual symbol which the rest of BFD works with */
 367 asymbol symbol;
 368
 369     /* A pointer to the hidden information for this symbol */
 370 combined_entry_type *native;
 371
 372     /* A pointer to the linenumber information for this symbol */
 373 struct lineno_cache_entry *lineno;
 374
 375     /* Have the line numbers been relocated yet ? */
 376 boolean done_lineno;
 377 } coff_symbol_type;
 378 typedef struct
 379 {
 380   void (*_bfd_coff_swap_aux_in) PARAMS ((
 381        bfd            *abfd,
 382        PTR             ext,
 383        int             type,
 384        int             class,
 385        int             indaux,
 386        int             numaux,
 387        PTR             in));
 388
 389   void (*_bfd_coff_swap_sym_in) PARAMS ((
 390        bfd            *abfd ,
 391        PTR             ext,
 392        PTR             in));
 393
 394   void (*_bfd_coff_swap_lineno_in) PARAMS ((
 395        bfd            *abfd,
 396        PTR            ext,
 397        PTR             in));
 398
 399  unsigned int (*_bfd_coff_swap_aux_out) PARAMS ((
 400        bfd      *abfd,
 401        PTR      in,
 402        int      type,
 403        int      class,
 404        int     indaux,
 405        int     numaux,
 406        PTR      ext));
 407
 408  unsigned int (*_bfd_coff_swap_sym_out) PARAMS ((
 409       bfd      *abfd,
 410       PTR       in,
 411       PTR       ext));
 412
 413  unsigned int (*_bfd_coff_swap_lineno_out) PARAMS ((
 414         bfd     *abfd,
 415         PTR     in,
 416         PTR     ext));
 417
 418  unsigned int (*_bfd_coff_swap_reloc_out) PARAMS ((
 419         bfd     *abfd,
 420         PTR     src,
 421         PTR     dst));
 422
 423  unsigned int (*_bfd_coff_swap_filehdr_out) PARAMS ((
 424         bfd     *abfd,
 425         PTR     in,
 426         PTR     out));
 427
 428  unsigned int (*_bfd_coff_swap_aouthdr_out) PARAMS ((
 429         bfd     *abfd,
 430         PTR     in,
 431         PTR     out));
 432
 433  unsigned int (*_bfd_coff_swap_scnhdr_out) PARAMS ((
 434         bfd     *abfd,
 435         PTR     in,
 436         PTR     out));
 437
 438  unsigned int _bfd_filhsz;
 439  unsigned int _bfd_aoutsz;
 440  unsigned int _bfd_scnhsz;
 441  unsigned int _bfd_symesz;
 442  unsigned int _bfd_auxesz;
 443  unsigned int _bfd_relsz;
 444  unsigned int _bfd_linesz;
 445  boolean _bfd_coff_long_filenames;
 446  void (*_bfd_coff_swap_filehdr_in) PARAMS ((
 447        bfd     *abfd,
 448        PTR     ext,
 449        PTR     in));
 450  void (*_bfd_coff_swap_aouthdr_in) PARAMS ((
 451        bfd     *abfd,
 452        PTR     ext,
 453        PTR     in));
 454  void (*_bfd_coff_swap_scnhdr_in) PARAMS ((
 455        bfd     *abfd,
 456        PTR     ext,
 457        PTR     in));
 458  void (*_bfd_coff_swap_reloc_in) PARAMS ((
 459        bfd     *abfd,
 460        PTR     ext,
 461        PTR     in));
 462  boolean (*_bfd_coff_bad_format_hook) PARAMS ((
 463        bfd     *abfd,
 464        PTR     internal_filehdr));
 465  boolean (*_bfd_coff_set_arch_mach_hook) PARAMS ((
 466        bfd     *abfd,
 467        PTR     internal_filehdr));
 468  PTR (*_bfd_coff_mkobject_hook) PARAMS ((
 469        bfd     *abfd,
 470        PTR     internal_filehdr,
 471        PTR     internal_aouthdr));
 472  flagword (*_bfd_styp_to_sec_flags_hook) PARAMS ((
 473        bfd     *abfd,
 474        PTR     internal_scnhdr,
 475        const char *name));
 476  void (*_bfd_set_alignment_hook) PARAMS ((
 477        bfd     *abfd,
 478        asection *sec,
 479        PTR     internal_scnhdr));
 480  boolean (*_bfd_coff_slurp_symbol_table) PARAMS ((
 481        bfd     *abfd));
 482  boolean (*_bfd_coff_symname_in_debug) PARAMS ((
 483        bfd     *abfd,
 484        struct internal_syment *sym));
 485  boolean (*_bfd_coff_pointerize_aux_hook) PARAMS ((
 486        bfd *abfd,
 487        combined_entry_type *table_base,
 488        combined_entry_type *symbol,
 489        unsigned int indaux,
 490        combined_entry_type *aux));
 491  boolean (*_bfd_coff_print_aux) PARAMS ((
 492        bfd *abfd,
 493        FILE *file,
 494        combined_entry_type *table_base,
 495        combined_entry_type *symbol,
 496        combined_entry_type *aux,
 497        unsigned int indaux));
 498  void (*_bfd_coff_reloc16_extra_cases) PARAMS ((
 499        bfd     *abfd,
 500        struct bfd_link_info *link_info,
 501        struct bfd_link_order *link_order,
 502        arelent *reloc,
 503        bfd_byte *data,
 504        unsigned int *src_ptr,
 505        unsigned int *dst_ptr));
 506  int (*_bfd_coff_reloc16_estimate) PARAMS ((
 507        bfd *abfd,
 508        asection *input_section,
 509        arelent *r,
 510        unsigned int shrink,
 511        struct bfd_link_info *link_info));
 512  boolean (*_bfd_coff_sym_is_global) PARAMS ((
 513        bfd *abfd,
 514        struct internal_syment *));
 515  void (*_bfd_coff_compute_section_file_positions) PARAMS ((
 516        bfd *abfd));
 517  boolean (*_bfd_coff_start_final_link) PARAMS ((
 518        bfd *output_bfd,
 519        struct bfd_link_info *info));
 520  boolean (*_bfd_coff_relocate_section) PARAMS ((
 521        bfd *output_bfd,
 522        struct bfd_link_info *info,
 523        bfd *input_bfd,
 524        asection *input_section,
 525        bfd_byte *contents,
 526        struct internal_reloc *relocs,
 527        struct internal_syment *syms,
 528        asection **sections));
 529  reloc_howto_type *(*_bfd_coff_rtype_to_howto) PARAMS ((
 530        bfd *abfd,
 531        asection *sec,
 532        struct internal_reloc *rel,
 533        struct coff_link_hash_entry *h,
 534        struct internal_syment *sym,
 535        bfd_vma *addendp));
 536  boolean (*_bfd_coff_adjust_symndx) PARAMS ((
 537        bfd *obfd,
 538        struct bfd_link_info *info,
 539        bfd *ibfd,
 540        asection *sec,
 541        struct internal_reloc *reloc,
 542        boolean *adjustedp));
 543
 544 } bfd_coff_backend_data;
 545
 546 #define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
 547
 548 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \
 549         ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i))
 550
 551 #define bfd_coff_swap_sym_in(a,e,i) \
 552         ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
 553
 554 #define bfd_coff_swap_lineno_in(a,e,i) \
 555         ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
 556
 557 #define bfd_coff_swap_reloc_out(abfd, i, o) \
 558         ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
 559
 560 #define bfd_coff_swap_lineno_out(abfd, i, o) \
 561         ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
 562
 563 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \
 564         ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o))
 565
 566 #define bfd_coff_swap_sym_out(abfd, i,o) \
 567         ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
 568
 569 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \
 570         ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
 571
 572 #define bfd_coff_swap_filehdr_out(abfd, i,o) \
 573         ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
 574
 575 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \
 576         ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
 577
 578 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
 579 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
 580 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
 581 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
 582 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
 583 #define bfd_coff_relsz(abfd)  (coff_backend_info (abfd)->_bfd_relsz)
 584 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
 585 #define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames)
 586 #define bfd_coff_swap_filehdr_in(abfd, i,o) \
 587         ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
 588
 589 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \
 590         ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
 591
 592 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \
 593         ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
 594
 595 #define bfd_coff_swap_reloc_in(abfd, i, o) \
 596         ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o))
 597
 598 #define bfd_coff_bad_format_hook(abfd, filehdr) \
 599         ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
 600
 601 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
 602         ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
 603 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\
 604         ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr))
 605
 606 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name)\
 607         ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook) (abfd, scnhdr, name))
 608
 609 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
 610         ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
 611
 612 #define bfd_coff_slurp_symbol_table(abfd)\
 613         ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
 614
 615 #define bfd_coff_symname_in_debug(abfd, sym)\
 616         ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
 617
 618 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\
 619         ((coff_backend_info (abfd)->_bfd_coff_print_aux)\
 620          (abfd, file, base, symbol, aux, indaux))
 621
 622 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)\
 623         ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
 624          (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr))
 625
 626 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\
 627         ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
 628          (abfd, section, reloc, shrink, link_info))
 629
 630 #define bfd_coff_sym_is_global(abfd, sym)\
 631         ((coff_backend_info (abfd)->_bfd_coff_sym_is_global)\
 632          (abfd, sym))
 633
 634 #define bfd_coff_compute_section_file_positions(abfd)\
 635         ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\
 636          (abfd))
 637
 638 #define bfd_coff_start_final_link(obfd, info)\
 639         ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\
 640          (obfd, info))
 641 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\
 642         ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\
 643          (obfd, info, ibfd, o, con, rel, isyms, secs))
 644 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\
 645         ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\
 646          (abfd, sec, rel, h, sym, addendp))
 647 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\
 648         ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\
 649          (obfd, info, ibfd, sec, rel, adjustedp))
 650