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 #define obj_coff_local_toc_table(bfd) (coff_data(bfd)->local_toc_sym_map)
  44
  45 /* `Tdata' information kept for COFF files.  */
  46
  47 typedef struct coff_tdata
  48 {
  49   struct   coff_symbol_struct *symbols; /* symtab for input bfd */
  50   unsigned int *conversion_table;
  51   int conv_table_size;
  52   file_ptr sym_filepos;
  53
  54   struct coff_ptr_struct *raw_syments;
  55   unsigned int raw_syment_count;
  56
  57   /* These are only valid once writing has begun */
  58   long int relocbase;
  59
  60   /* These members communicate important constants about the symbol table
  61      to GDB's symbol-reading code.  These `constants' unfortunately vary
  62      from coff implementation to implementation...  */
  63   unsigned local_n_btmask;
  64   unsigned local_n_btshft;
  65   unsigned local_n_tmask;
  66   unsigned local_n_tshift;
  67   unsigned local_symesz;
  68   unsigned local_auxesz;
  69   unsigned local_linesz;
  70
  71   /* The unswapped external symbols.  May be NULL.  Read by
  72      _bfd_coff_get_external_symbols.  */
  73   PTR external_syms;
  74   /* If this is true, the external_syms may not be freed.  */
  75   boolean keep_syms;
  76
  77   /* The string table.  May be NULL.  Read by
  78      _bfd_coff_read_string_table.  */
  79   char *strings;
  80   /* If this is true, the strings may not be freed.  */
  81   boolean keep_strings;
  82
  83   /* is this a PE format coff file */
  84   int pe;
  85   /* Used by the COFF backend linker.  */
  86   struct coff_link_hash_entry **sym_hashes;
  87
  88   /* used by the pe linker for PowerPC */
  89   int *local_toc_sym_map;
  90
  91   struct bfd_link_info *link_info;
  92 } coff_data_type;
  93
  94 /* Tdata for pe image files. */
  95 typedef struct pe_tdata
  96 {
  97   coff_data_type coff;
  98   struct internal_extra_pe_aouthdr pe_opthdr;
  99   int dll;
 100   int has_reloc_section;
 101   boolean (*in_reloc_p) PARAMS((bfd *, reloc_howto_type *));
 102   flagword real_flags;
 103 } pe_data_type;
 104
 105 #define pe_data(bfd)            ((bfd)->tdata.pe_obj_data)
 106
 107 /* Tdata for XCOFF files.  */
 108
 109 struct xcoff_tdata
 110 {
 111   /* Basic COFF information.  */
 112   coff_data_type coff;
 113
 114   /* True if a large a.out header should be generated.  */
 115   boolean full_aouthdr;
 116
 117   /* TOC value.  */
 118   bfd_vma toc;
 119
 120   /* Section holding TOC.  */
 121   asection *toc_section;
 122
 123   /* Section holding entry point.  */
 124   asection *entry_section;
 125
 126   /* .text alignment from optional header.  */
 127   int text_align_power;
 128
 129   /* .data alignment from optional header.  */
 130   int data_align_power;
 131
 132   /* modtype from optional header.  */
 133   short modtype;
 134
 135   /* cputype from optional header.  */
 136   short cputype;
 137
 138   /* maxdata from optional header.  */
 139   bfd_size_type maxdata;
 140
 141   /* maxstack from optional header.  */
 142   bfd_size_type maxstack;
 143
 144   /* Used by the XCOFF backend linker.  */
 145   asection **csects;
 146   unsigned long *debug_indices;
 147   unsigned int import_file_id;
 148 };
 149
 150 #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data)
 151
 152 /* We take the address of the first element of a asymbol to ensure that the
 153  * macro is only ever applied to an asymbol.  */
 154 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
 155
 156 /* The used_by_bfd field of a section may be set to a pointer to this
 157    structure.  */
 158
 159 struct coff_section_tdata
 160 {
 161   /* The relocs, swapped into COFF internal form.  This may be NULL.  */
 162   struct internal_reloc *relocs;
 163   /* If this is true, the relocs entry may not be freed.  */
 164   boolean keep_relocs;
 165   /* The section contents.  This may be NULL.  */
 166   bfd_byte *contents;
 167   /* If this is true, the contents entry may not be freed.  */
 168   boolean keep_contents;
 169   /* Information cached by coff_find_nearest_line.  */
 170   bfd_vma offset;
 171   unsigned int i;
 172   const char *function;
 173   int line_base;
 174   /* Available for individual backends.  */
 175   PTR tdata;
 176 };
 177
 178 /* An accessor macro for the coff_section_tdata structure.  */
 179 #define coff_section_data(abfd, sec) \
 180   ((struct coff_section_tdata *) (sec)->used_by_bfd)
 181
 182 /* Tdata for sections in XCOFF files.  This is used by the linker.  */
 183
 184 struct xcoff_section_tdata
 185 {
 186   /* Used for XCOFF csects created by the linker; points to the real
 187      XCOFF section which contains this csect.  */
 188   asection *enclosing;
 189   /* The lineno_count field for the enclosing section, because we are
 190      going to clobber it there.  */
 191   unsigned int lineno_count;
 192   /* The first and one past the last symbol indices for symbols used
 193      by this csect.  */
 194   unsigned long first_symndx;
 195   unsigned long last_symndx;
 196 };
 197
 198 /* An accessor macro the xcoff_section_tdata structure.  */
 199 #define xcoff_section_data(abfd, sec) \
 200   ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
 201
 202 /* COFF linker hash table entries.  */
 203
 204 struct coff_link_hash_entry
 205 {
 206   struct bfd_link_hash_entry root;
 207
 208   /* Symbol index in output file.  Set to -1 initially.  Set to -2 if
 209      there is a reloc against this symbol.  */
 210   long indx;
 211
 212   /* Symbol type.  */
 213   unsigned short type;
 214
 215   /* Symbol class.  */
 216   unsigned char class;
 217
 218   /* Number of auxiliary entries.  */
 219   char numaux;
 220
 221   /* BFD to take auxiliary entries from.  */
 222   bfd *auxbfd;
 223
 224   /* Pointer to array of auxiliary entries, if any.  */
 225   union internal_auxent *aux;
 226
 227   /* If this symbol requires an entry in the table of contents, the
 228      processor specific backend uses this field to hold the offset
 229      into the .toc section.  */
 230   bfd_vma toc_offset;
 231 };
 232
 233 /* COFF linker hash table.  */
 234
 235 struct coff_link_hash_table
 236 {
 237   struct bfd_link_hash_table root;
 238 };
 239
 240 /* Look up an entry in a COFF linker hash table.  */
 241
 242 #define coff_link_hash_lookup(table, string, create, copy, follow)      \
 243   ((struct coff_link_hash_entry *)                                      \
 244    bfd_link_hash_lookup (&(table)->root, (string), (create),            \
 245                          (copy), (follow)))
 246
 247 /* Traverse a COFF linker hash table.  */
 248
 249 #define coff_link_hash_traverse(table, func, info)                      \
 250   (bfd_link_hash_traverse                                               \
 251    (&(table)->root,                                                     \
 252     (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func),  \
 253     (info)))
 254
 255 /* Get the COFF linker hash table from a link_info structure.  */
 256
 257 #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash))
 258
 259 /* Functions in coffgen.c.  */
 260 extern const bfd_target *coff_object_p PARAMS ((bfd *));
 261 extern struct sec *coff_section_from_bfd_index PARAMS ((bfd *, int));
 262 extern long coff_get_symtab_upper_bound PARAMS ((bfd *));
 263 extern long coff_get_symtab PARAMS ((bfd *, asymbol **));
 264 extern int coff_count_linenumbers PARAMS ((bfd *));
 265 extern struct coff_symbol_struct *coff_symbol_from PARAMS ((bfd *, asymbol *));
 266 extern boolean coff_renumber_symbols PARAMS ((bfd *, int *));
 267 extern void coff_mangle_symbols PARAMS ((bfd *));
 268 extern boolean coff_write_symbols PARAMS ((bfd *));
 269 extern boolean coff_write_linenumbers PARAMS ((bfd *));
 270 extern alent *coff_get_lineno PARAMS ((bfd *, asymbol *));
 271 extern asymbol *coff_section_symbol PARAMS ((bfd *, char *));
 272 extern boolean _bfd_coff_get_external_symbols PARAMS ((bfd *));
 273 extern const char *_bfd_coff_read_string_table PARAMS ((bfd *));
 274 extern boolean _bfd_coff_free_symbols PARAMS ((bfd *));
 275 extern struct coff_ptr_struct *coff_get_normalized_symtab PARAMS ((bfd *));
 276 extern long coff_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr));
 277 extern asymbol *coff_make_empty_symbol PARAMS ((bfd *));
 278 extern void coff_print_symbol PARAMS ((bfd *, PTR filep, asymbol *,
 279                                        bfd_print_symbol_type how));
 280 extern void coff_get_symbol_info PARAMS ((bfd *, asymbol *,
 281                                           symbol_info *ret));
 282 extern asymbol *coff_bfd_make_debug_symbol PARAMS ((bfd *, PTR,
 283                                                     unsigned long));
 284 extern boolean coff_find_nearest_line PARAMS ((bfd *,
 285                                                asection *,
 286                                                asymbol **,
 287                                                bfd_vma offset,
 288                                                CONST char **filename_ptr,
 289                                                CONST char **functionname_ptr,
 290                                                unsigned int *line_ptr));
 291 extern int coff_sizeof_headers PARAMS ((bfd *, boolean reloc));
 292 extern boolean bfd_coff_reloc16_relax_section
 293   PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *));
 294 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents
 295   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
 296            bfd_byte *, boolean relocateable, asymbol **));
 297 extern bfd_vma bfd_coff_reloc16_get_value PARAMS ((arelent *,
 298                                                    struct bfd_link_info *,
 299                                                    asection *));
 300 extern void bfd_perform_slip PARAMS ((bfd *abfd, unsigned int slip,
 301                                       asection *input_section,
 302                                       bfd_vma val));
 303
 304 /* Functions in cofflink.c.  */
 305
 306 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc
 307   PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
 308 extern boolean _bfd_coff_link_hash_table_init
 309   PARAMS ((struct coff_link_hash_table *, bfd *,
 310            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 311                                        struct bfd_hash_table *,
 312                                        const char *)));
 313 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create
 314   PARAMS ((bfd *));
 315 extern const char *_bfd_coff_internal_syment_name
 316   PARAMS ((bfd *, const struct internal_syment *, char *));
 317 extern boolean _bfd_coff_link_add_symbols
 318   PARAMS ((bfd *, struct bfd_link_info *));
 319 extern boolean _bfd_coff_final_link
 320   PARAMS ((bfd *, struct bfd_link_info *));
 321 extern struct internal_reloc *_bfd_coff_read_internal_relocs
 322   PARAMS ((bfd *, asection *, boolean, bfd_byte *, boolean,
 323            struct internal_reloc *));
 324 extern boolean _bfd_coff_generic_relocate_section
 325   PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
 326            struct internal_reloc *, struct internal_syment *, asection **));
 327
 328 #define coff_get_section_contents_in_window \
 329   _bfd_generic_get_section_contents_in_window
 330
 331 /* Functions in xcofflink.c.  */
 332
 333 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create
 334   PARAMS ((bfd *));
 335 extern boolean _bfd_xcoff_bfd_link_add_symbols
 336   PARAMS ((bfd *, struct bfd_link_info *));
 337 extern boolean _bfd_xcoff_bfd_final_link
 338   PARAMS ((bfd *, struct bfd_link_info *));
 339 extern boolean _bfd_ppc_xcoff_relocate_section
 340   PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
 341            struct internal_reloc *, struct internal_syment *, asection **));
 342
 343 /* And more taken from the source .. */
 344
 345 typedef struct coff_ptr_struct
 346 {
 347
 348         /* Remembers the offset from the first symbol in the file for
 349           this symbol. Generated by coff_renumber_symbols. */
 350 unsigned int offset;
 351
 352         /* Should the value of this symbol be renumbered.  Used for
 353           XCOFF C_BSTAT symbols.  Set by coff_slurp_symbol_table.  */
 354 unsigned int fix_value : 1;
 355
 356         /* Should the tag field of this symbol be renumbered.
 357           Created by coff_pointerize_aux. */
 358 unsigned int fix_tag : 1;
 359
 360         /* Should the endidx field of this symbol be renumbered.
 361           Created by coff_pointerize_aux. */
 362 unsigned int fix_end : 1;
 363
 364         /* Should the x_csect.x_scnlen field be renumbered.
 365           Created by coff_pointerize_aux. */
 366 unsigned int fix_scnlen : 1;
 367
 368         /* Fix up an XCOFF C_BINCL/C_EINCL symbol.  The value is the
 369           index into the line number entries.  Set by
 370           coff_slurp_symbol_table.  */
 371 unsigned int fix_line : 1;
 372
 373         /* The container for the symbol structure as read and translated
 374            from the file. */
 375
 376 union {
 377    union internal_auxent auxent;
 378    struct internal_syment syment;
 379  } u;
 380 } combined_entry_type;
 381
 382
 383  /* Each canonical asymbol really looks like this: */
 384
 385 typedef struct coff_symbol_struct
 386 {
 387     /* The actual symbol which the rest of BFD works with */
 388 asymbol symbol;
 389
 390     /* A pointer to the hidden information for this symbol */
 391 combined_entry_type *native;
 392
 393     /* A pointer to the linenumber information for this symbol */
 394 struct lineno_cache_entry *lineno;
 395
 396     /* Have the line numbers been relocated yet ? */
 397 boolean done_lineno;
 398 } coff_symbol_type;
 399 typedef struct
 400 {
 401   void (*_bfd_coff_swap_aux_in) PARAMS ((
 402        bfd            *abfd,
 403        PTR             ext,
 404        int             type,
 405        int             class,
 406        int             indaux,
 407        int             numaux,
 408        PTR             in));
 409
 410   void (*_bfd_coff_swap_sym_in) PARAMS ((
 411        bfd            *abfd ,
 412        PTR             ext,
 413        PTR             in));
 414
 415   void (*_bfd_coff_swap_lineno_in) PARAMS ((
 416        bfd            *abfd,
 417        PTR            ext,
 418        PTR             in));
 419
 420  unsigned int (*_bfd_coff_swap_aux_out) PARAMS ((
 421        bfd      *abfd,
 422        PTR      in,
 423        int      type,
 424        int      class,
 425        int     indaux,
 426        int     numaux,
 427        PTR      ext));
 428
 429  unsigned int (*_bfd_coff_swap_sym_out) PARAMS ((
 430       bfd      *abfd,
 431       PTR       in,
 432       PTR       ext));
 433
 434  unsigned int (*_bfd_coff_swap_lineno_out) PARAMS ((
 435         bfd     *abfd,
 436         PTR     in,
 437         PTR     ext));
 438
 439  unsigned int (*_bfd_coff_swap_reloc_out) PARAMS ((
 440         bfd     *abfd,
 441         PTR     src,
 442         PTR     dst));
 443
 444  unsigned int (*_bfd_coff_swap_filehdr_out) PARAMS ((
 445         bfd     *abfd,
 446         PTR     in,
 447         PTR     out));
 448
 449  unsigned int (*_bfd_coff_swap_aouthdr_out) PARAMS ((
 450         bfd     *abfd,
 451         PTR     in,
 452         PTR     out));
 453
 454  unsigned int (*_bfd_coff_swap_scnhdr_out) PARAMS ((
 455         bfd     *abfd,
 456         PTR     in,
 457         PTR     out));
 458
 459  unsigned int _bfd_filhsz;
 460  unsigned int _bfd_aoutsz;
 461  unsigned int _bfd_scnhsz;
 462  unsigned int _bfd_symesz;
 463  unsigned int _bfd_auxesz;
 464  unsigned int _bfd_relsz;
 465  unsigned int _bfd_linesz;
 466  boolean _bfd_coff_long_filenames;
 467  void (*_bfd_coff_swap_filehdr_in) PARAMS ((
 468        bfd     *abfd,
 469        PTR     ext,
 470        PTR     in));
 471  void (*_bfd_coff_swap_aouthdr_in) PARAMS ((
 472        bfd     *abfd,
 473        PTR     ext,
 474        PTR     in));
 475  void (*_bfd_coff_swap_scnhdr_in) PARAMS ((
 476        bfd     *abfd,
 477        PTR     ext,
 478        PTR     in));
 479  void (*_bfd_coff_swap_reloc_in) PARAMS ((
 480        bfd     *abfd,
 481        PTR     ext,
 482        PTR     in));
 483  boolean (*_bfd_coff_bad_format_hook) PARAMS ((
 484        bfd     *abfd,
 485        PTR     internal_filehdr));
 486  boolean (*_bfd_coff_set_arch_mach_hook) PARAMS ((
 487        bfd     *abfd,
 488        PTR     internal_filehdr));
 489  PTR (*_bfd_coff_mkobject_hook) PARAMS ((
 490        bfd     *abfd,
 491        PTR     internal_filehdr,
 492        PTR     internal_aouthdr));
 493  flagword (*_bfd_styp_to_sec_flags_hook) PARAMS ((
 494        bfd     *abfd,
 495        PTR     internal_scnhdr,
 496        const char *name));
 497  void (*_bfd_set_alignment_hook) PARAMS ((
 498        bfd     *abfd,
 499        asection *sec,
 500        PTR     internal_scnhdr));
 501  boolean (*_bfd_coff_slurp_symbol_table) PARAMS ((
 502        bfd     *abfd));
 503  boolean (*_bfd_coff_symname_in_debug) PARAMS ((
 504        bfd     *abfd,
 505        struct internal_syment *sym));
 506  boolean (*_bfd_coff_pointerize_aux_hook) PARAMS ((
 507        bfd *abfd,
 508        combined_entry_type *table_base,
 509        combined_entry_type *symbol,
 510        unsigned int indaux,
 511        combined_entry_type *aux));
 512  boolean (*_bfd_coff_print_aux) PARAMS ((
 513        bfd *abfd,
 514        FILE *file,
 515        combined_entry_type *table_base,
 516        combined_entry_type *symbol,
 517        combined_entry_type *aux,
 518        unsigned int indaux));
 519  void (*_bfd_coff_reloc16_extra_cases) PARAMS ((
 520        bfd     *abfd,
 521        struct bfd_link_info *link_info,
 522        struct bfd_link_order *link_order,
 523        arelent *reloc,
 524        bfd_byte *data,
 525        unsigned int *src_ptr,
 526        unsigned int *dst_ptr));
 527  int (*_bfd_coff_reloc16_estimate) PARAMS ((
 528        bfd *abfd,
 529        asection *input_section,
 530        arelent *r,
 531        unsigned int shrink,
 532        struct bfd_link_info *link_info));
 533  boolean (*_bfd_coff_sym_is_global) PARAMS ((
 534        bfd *abfd,
 535        struct internal_syment *));
 536  void (*_bfd_coff_compute_section_file_positions) PARAMS ((
 537        bfd *abfd));
 538  boolean (*_bfd_coff_start_final_link) PARAMS ((
 539        bfd *output_bfd,
 540        struct bfd_link_info *info));
 541  boolean (*_bfd_coff_relocate_section) PARAMS ((
 542        bfd *output_bfd,
 543        struct bfd_link_info *info,
 544        bfd *input_bfd,
 545        asection *input_section,
 546        bfd_byte *contents,
 547        struct internal_reloc *relocs,
 548        struct internal_syment *syms,
 549        asection **sections));
 550  reloc_howto_type *(*_bfd_coff_rtype_to_howto) PARAMS ((
 551        bfd *abfd,
 552        asection *sec,
 553        struct internal_reloc *rel,
 554        struct coff_link_hash_entry *h,
 555        struct internal_syment *sym,
 556        bfd_vma *addendp));
 557  boolean (*_bfd_coff_adjust_symndx) PARAMS ((
 558        bfd *obfd,
 559        struct bfd_link_info *info,
 560        bfd *ibfd,
 561        asection *sec,
 562        struct internal_reloc *reloc,
 563        boolean *adjustedp));
 564
 565 } bfd_coff_backend_data;
 566
 567 #define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
 568
 569 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \
 570         ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i))
 571
 572 #define bfd_coff_swap_sym_in(a,e,i) \
 573         ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
 574
 575 #define bfd_coff_swap_lineno_in(a,e,i) \
 576         ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
 577
 578 #define bfd_coff_swap_reloc_out(abfd, i, o) \
 579         ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
 580
 581 #define bfd_coff_swap_lineno_out(abfd, i, o) \
 582         ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
 583
 584 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \
 585         ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o))
 586
 587 #define bfd_coff_swap_sym_out(abfd, i,o) \
 588         ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
 589
 590 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \
 591         ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
 592
 593 #define bfd_coff_swap_filehdr_out(abfd, i,o) \
 594         ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
 595
 596 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \
 597         ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
 598
 599 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
 600 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
 601 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
 602 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
 603 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
 604 #define bfd_coff_relsz(abfd)  (coff_backend_info (abfd)->_bfd_relsz)
 605 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
 606 #define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames)
 607 #define bfd_coff_swap_filehdr_in(abfd, i,o) \
 608         ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
 609
 610 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \
 611         ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
 612
 613 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \
 614         ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
 615
 616 #define bfd_coff_swap_reloc_in(abfd, i, o) \
 617         ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o))
 618
 619 #define bfd_coff_bad_format_hook(abfd, filehdr) \
 620         ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
 621
 622 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
 623         ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
 624 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\
 625         ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr))
 626
 627 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name)\
 628         ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook) (abfd, scnhdr, name))
 629
 630 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
 631         ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
 632
 633 #define bfd_coff_slurp_symbol_table(abfd)\
 634         ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
 635
 636 #define bfd_coff_symname_in_debug(abfd, sym)\
 637         ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
 638
 639 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\
 640         ((coff_backend_info (abfd)->_bfd_coff_print_aux)\
 641          (abfd, file, base, symbol, aux, indaux))
 642
 643 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)\
 644         ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
 645          (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr))
 646
 647 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\
 648         ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
 649          (abfd, section, reloc, shrink, link_info))
 650
 651 #define bfd_coff_sym_is_global(abfd, sym)\
 652         ((coff_backend_info (abfd)->_bfd_coff_sym_is_global)\
 653          (abfd, sym))
 654
 655 #define bfd_coff_compute_section_file_positions(abfd)\
 656         ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\
 657          (abfd))
 658
 659 #define bfd_coff_start_final_link(obfd, info)\
 660         ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\
 661          (obfd, info))
 662 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\
 663         ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\
 664          (obfd, info, ibfd, o, con, rel, isyms, secs))
 665 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\
 666         ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\
 667          (abfd, sec, rel, h, sym, addendp))
 668 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\
 669         ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\
 670          (obfd, info, ibfd, sec, rel, adjustedp))
 671