bfd/libcoff.h

   1 /* BFD COFF object file private structure.
   2    Copyright (C) 1990, 91, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
   3    Written by Cygnus Support.
   4
   5 ** NOTE: libcoff.h is a GENERATED file.  Don't change it; instead,
   6 ** change libcoff-in.h or coffcode.h.
   7
   8 This file is part of BFD, the Binary File Descriptor library.
   9
  10 This program is free software; you can redistribute it and/or modify
  11 it under the terms of the GNU General Public License as published by
  12 the Free Software Foundation; either version 2 of the License, or
  13 (at your option) any later version.
  14
  15 This program is distributed in the hope that it will be useful,
  16 but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 GNU General Public License for more details.
  19
  20 You should have received a copy of the GNU General Public License
  21 along with this program; if not, write to the Free Software
  22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  23
  24 #include "bfdlink.h"
  25
  26 /* Object file tdata; access macros */
  27
  28 #define coff_data(bfd)          ((bfd)->tdata.coff_obj_data)
  29 #define exec_hdr(bfd)           (coff_data(bfd)->hdr)
  30 #define obj_pe(bfd)             (coff_data(bfd)->pe)
  31 #define obj_symbols(bfd)        (coff_data(bfd)->symbols)
  32 #define obj_sym_filepos(bfd)    (coff_data(bfd)->sym_filepos)
  33
  34 #define obj_relocbase(bfd)      (coff_data(bfd)->relocbase)
  35 #define obj_raw_syments(bfd)    (coff_data(bfd)->raw_syments)
  36 #define obj_raw_syment_count(bfd)       (coff_data(bfd)->raw_syment_count)
  37 #define obj_convert(bfd)        (coff_data(bfd)->conversion_table)
  38 #define obj_conv_table_size(bfd) (coff_data(bfd)->conv_table_size)
  39
  40 #define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms)
  41 #define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms)
  42 #define obj_coff_strings(bfd)   (coff_data (bfd)->strings)
  43 #define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings)
  44 #define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes)
  45
  46 #define obj_coff_local_toc_table(bfd) (coff_data(bfd)->local_toc_sym_map)
  47
  48 /* `Tdata' information kept for COFF files.  */
  49
  50 typedef struct coff_tdata
  51 {
  52   struct   coff_symbol_struct *symbols; /* symtab for input bfd */
  53   unsigned int *conversion_table;
  54   int conv_table_size;
  55   file_ptr sym_filepos;
  56
  57   struct coff_ptr_struct *raw_syments;
  58   unsigned int raw_syment_count;
  59
  60   /* These are only valid once writing has begun */
  61   long int relocbase;
  62
  63   /* These members communicate important constants about the symbol table
  64      to GDB's symbol-reading code.  These `constants' unfortunately vary
  65      from coff implementation to implementation...  */
  66   unsigned local_n_btmask;
  67   unsigned local_n_btshft;
  68   unsigned local_n_tmask;
  69   unsigned local_n_tshift;
  70   unsigned local_symesz;
  71   unsigned local_auxesz;
  72   unsigned local_linesz;
  73
  74   /* The unswapped external symbols.  May be NULL.  Read by
  75      _bfd_coff_get_external_symbols.  */
  76   PTR external_syms;
  77   /* If this is true, the external_syms may not be freed.  */
  78   boolean keep_syms;
  79
  80   /* The string table.  May be NULL.  Read by
  81      _bfd_coff_read_string_table.  */
  82   char *strings;
  83   /* If this is true, the strings may not be freed.  */
  84   boolean keep_strings;
  85
  86   /* is this a PE format coff file */
  87   int pe;
  88   /* Used by the COFF backend linker.  */
  89   struct coff_link_hash_entry **sym_hashes;
  90
  91   /* used by the pe linker for PowerPC */
  92   int *local_toc_sym_map;
  93
  94   struct bfd_link_info *link_info;
  95
  96   /* Used by coff_find_nearest_line.  */
  97   PTR line_info;
  98 } coff_data_type;
  99
 100 /* Tdata for pe image files. */
 101 typedef struct pe_tdata
 102 {
 103   coff_data_type coff;
 104   struct internal_extra_pe_aouthdr pe_opthdr;
 105   int dll;
 106   int has_reloc_section;
 107   boolean (*in_reloc_p) PARAMS((bfd *, reloc_howto_type *));
 108   flagword real_flags;
 109 } pe_data_type;
 110
 111 #define pe_data(bfd)            ((bfd)->tdata.pe_obj_data)
 112
 113 /* Tdata for XCOFF files.  */
 114
 115 struct xcoff_tdata
 116 {
 117   /* Basic COFF information.  */
 118   coff_data_type coff;
 119
 120   /* True if a large a.out header should be generated.  */
 121   boolean full_aouthdr;
 122
 123   /* TOC value.  */
 124   bfd_vma toc;
 125
 126   /* Index of section holding TOC.  */
 127   int sntoc;
 128
 129   /* Index of section holding entry point.  */
 130   int snentry;
 131
 132   /* .text alignment from optional header.  */
 133   int text_align_power;
 134
 135   /* .data alignment from optional header.  */
 136   int data_align_power;
 137
 138   /* modtype from optional header.  */
 139   short modtype;
 140
 141   /* cputype from optional header.  */
 142   short cputype;
 143
 144   /* maxdata from optional header.  */
 145   bfd_size_type maxdata;
 146
 147   /* maxstack from optional header.  */
 148   bfd_size_type maxstack;
 149
 150   /* Used by the XCOFF backend linker.  */
 151   asection **csects;
 152   unsigned long *debug_indices;
 153   unsigned int import_file_id;
 154 };
 155
 156 #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data)
 157
 158 /* We take the address of the first element of a asymbol to ensure that the
 159  * macro is only ever applied to an asymbol.  */
 160 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
 161
 162 /* The used_by_bfd field of a section may be set to a pointer to this
 163    structure.  */
 164
 165 struct coff_section_tdata
 166 {
 167   /* The relocs, swapped into COFF internal form.  This may be NULL.  */
 168   struct internal_reloc *relocs;
 169   /* If this is true, the relocs entry may not be freed.  */
 170   boolean keep_relocs;
 171   /* The section contents.  This may be NULL.  */
 172   bfd_byte *contents;
 173   /* If this is true, the contents entry may not be freed.  */
 174   boolean keep_contents;
 175   /* Information cached by coff_find_nearest_line.  */
 176   bfd_vma offset;
 177   unsigned int i;
 178   const char *function;
 179   int line_base;
 180   /* Available for individual backends.  */
 181   PTR tdata;
 182 };
 183
 184 /* An accessor macro for the coff_section_tdata structure.  */
 185 #define coff_section_data(abfd, sec) \
 186   ((struct coff_section_tdata *) (sec)->used_by_bfd)
 187
 188 /* Tdata for sections in XCOFF files.  This is used by the linker.  */
 189
 190 struct xcoff_section_tdata
 191 {
 192   /* Used for XCOFF csects created by the linker; points to the real
 193      XCOFF section which contains this csect.  */
 194   asection *enclosing;
 195   /* The lineno_count field for the enclosing section, because we are
 196      going to clobber it there.  */
 197   unsigned int lineno_count;
 198   /* The first and one past the last symbol indices for symbols used
 199      by this csect.  */
 200   unsigned long first_symndx;
 201   unsigned long last_symndx;
 202 };
 203
 204 /* An accessor macro the xcoff_section_tdata structure.  */
 205 #define xcoff_section_data(abfd, sec) \
 206   ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
 207
 208 /* COFF linker hash table entries.  */
 209
 210 struct coff_link_hash_entry
 211 {
 212   struct bfd_link_hash_entry root;
 213
 214   /* Symbol index in output file.  Set to -1 initially.  Set to -2 if
 215      there is a reloc against this symbol.  */
 216   long indx;
 217
 218   /* Symbol type.  */
 219   unsigned short type;
 220
 221   /* Symbol class.  */
 222   unsigned char class;
 223
 224   /* Number of auxiliary entries.  */
 225   char numaux;
 226
 227   /* BFD to take auxiliary entries from.  */
 228   bfd *auxbfd;
 229
 230   /* Pointer to array of auxiliary entries, if any.  */
 231   union internal_auxent *aux;
 232 };
 233
 234 /* COFF linker hash table.  */
 235
 236 struct coff_link_hash_table
 237 {
 238   struct bfd_link_hash_table root;
 239 };
 240
 241 /* Look up an entry in a COFF linker hash table.  */
 242
 243 #define coff_link_hash_lookup(table, string, create, copy, follow)      \
 244   ((struct coff_link_hash_entry *)                                      \
 245    bfd_link_hash_lookup (&(table)->root, (string), (create),            \
 246                          (copy), (follow)))
 247
 248 /* Traverse a COFF linker hash table.  */
 249
 250 #define coff_link_hash_traverse(table, func, info)                      \
 251   (bfd_link_hash_traverse                                               \
 252    (&(table)->root,                                                     \
 253     (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func),  \
 254     (info)))
 255
 256 /* Get the COFF linker hash table from a link_info structure.  */
 257
 258 #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash))
 259
 260 /* Functions in coffgen.c.  */
 261 extern const bfd_target *coff_object_p PARAMS ((bfd *));
 262 extern struct sec *coff_section_from_bfd_index PARAMS ((bfd *, int));
 263 extern long coff_get_symtab_upper_bound PARAMS ((bfd *));
 264 extern long coff_get_symtab PARAMS ((bfd *, asymbol **));
 265 extern int coff_count_linenumbers PARAMS ((bfd *));
 266 extern struct coff_symbol_struct *coff_symbol_from PARAMS ((bfd *, asymbol *));
 267 extern boolean coff_renumber_symbols PARAMS ((bfd *, int *));
 268 extern void coff_mangle_symbols PARAMS ((bfd *));
 269 extern boolean coff_write_symbols PARAMS ((bfd *));
 270 extern boolean coff_write_linenumbers PARAMS ((bfd *));
 271 extern alent *coff_get_lineno PARAMS ((bfd *, asymbol *));
 272 extern asymbol *coff_section_symbol PARAMS ((bfd *, char *));
 273 extern boolean _bfd_coff_get_external_symbols PARAMS ((bfd *));
 274 extern const char *_bfd_coff_read_string_table PARAMS ((bfd *));
 275 extern boolean _bfd_coff_free_symbols PARAMS ((bfd *));
 276 extern struct coff_ptr_struct *coff_get_normalized_symtab PARAMS ((bfd *));
 277 extern long coff_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr));
 278 extern asymbol *coff_make_empty_symbol PARAMS ((bfd *));
 279 extern void coff_print_symbol PARAMS ((bfd *, PTR filep, asymbol *,
 280                                        bfd_print_symbol_type how));
 281 extern void coff_get_symbol_info PARAMS ((bfd *, asymbol *,
 282                                           symbol_info *ret));
 283 extern asymbol *coff_bfd_make_debug_symbol PARAMS ((bfd *, PTR,
 284                                                     unsigned long));
 285 extern boolean coff_find_nearest_line PARAMS ((bfd *,
 286                                                asection *,
 287                                                asymbol **,
 288                                                bfd_vma offset,
 289                                                CONST char **filename_ptr,
 290                                                CONST char **functionname_ptr,
 291                                                unsigned int *line_ptr));
 292 extern int coff_sizeof_headers PARAMS ((bfd *, boolean reloc));
 293 extern boolean bfd_coff_reloc16_relax_section
 294   PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *));
 295 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents
 296   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
 297            bfd_byte *, boolean relocateable, asymbol **));
 298 extern bfd_vma bfd_coff_reloc16_get_value PARAMS ((arelent *,
 299                                                    struct bfd_link_info *,
 300                                                    asection *));
 301 extern void bfd_perform_slip PARAMS ((bfd *abfd, unsigned int slip,
 302                                       asection *input_section,
 303                                       bfd_vma val));
 304
 305 /* Functions and types in cofflink.c.  */
 306
 307 #define STRING_SIZE_SIZE (4)
 308
 309 /* We use a hash table to merge identical enum, struct, and union
 310    definitions in the linker.  */
 311
 312 /* Information we keep for a single element (an enum value, a
 313    structure or union field) in the debug merge hash table.  */
 314
 315 struct coff_debug_merge_element
 316 {
 317   /* Next element.  */
 318   struct coff_debug_merge_element *next;
 319
 320   /* Name.  */
 321   const char *name;
 322
 323   /* Type.  */
 324   unsigned int type;
 325
 326   /* Symbol index for complex type.  */
 327   long tagndx;
 328 };
 329
 330 /* A linked list of debug merge entries for a given name.  */
 331
 332 struct coff_debug_merge_type
 333 {
 334   /* Next type with the same name.  */
 335   struct coff_debug_merge_type *next;
 336
 337   /* Class of type.  */
 338   int class;
 339
 340   /* Symbol index where this type is defined.  */
 341   long indx;
 342
 343   /* List of elements.  */
 344   struct coff_debug_merge_element *elements;
 345 };
 346
 347 /* Information we store in the debug merge hash table.  */
 348
 349 struct coff_debug_merge_hash_entry
 350 {
 351   struct bfd_hash_entry root;
 352
 353   /* A list of types with this name.  */
 354   struct coff_debug_merge_type *types;
 355 };
 356
 357 /* The debug merge hash table.  */
 358
 359 struct coff_debug_merge_hash_table
 360 {
 361   struct bfd_hash_table root;
 362 };
 363
 364 /* Initialize a COFF debug merge hash table.  */
 365
 366 #define coff_debug_merge_hash_table_init(table) \
 367   (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc))
 368
 369 /* Free a COFF debug merge hash table.  */
 370
 371 #define coff_debug_merge_hash_table_free(table) \
 372   (bfd_hash_table_free (&(table)->root))
 373
 374 /* Look up an entry in a COFF debug merge hash table.  */
 375
 376 #define coff_debug_merge_hash_lookup(table, string, create, copy) \
 377   ((struct coff_debug_merge_hash_entry *) \
 378    bfd_hash_lookup (&(table)->root, (string), (create), (copy)))
 379
 380 /* Information we keep for each section in the output file when doing
 381    a relocateable link.  */
 382
 383 struct coff_link_section_info
 384 {
 385   /* The relocs to be output.  */
 386   struct internal_reloc *relocs;
 387   /* For each reloc against a global symbol whose index was not known
 388      when the reloc was handled, the global hash table entry.  */
 389   struct coff_link_hash_entry **rel_hashes;
 390 };
 391
 392 /* Information that we pass around while doing the final link step.  */
 393
 394 struct coff_final_link_info
 395 {
 396   /* General link information.  */
 397   struct bfd_link_info *info;
 398   /* Output BFD.  */
 399   bfd *output_bfd;
 400   /* Used to indicate failure in traversal routine.  */
 401   boolean failed;
 402   /* Hash table for long symbol names.  */
 403   struct bfd_strtab_hash *strtab;
 404   /* When doing a relocateable link, an array of information kept for
 405      each output section, indexed by the target_index field.  */
 406   struct coff_link_section_info *section_info;
 407   /* Symbol index of last C_FILE symbol (-1 if none).  */
 408   long last_file_index;
 409   /* Contents of last C_FILE symbol.  */
 410   struct internal_syment last_file;
 411   /* Symbol index of first aux entry of last .bf symbol with an empty
 412      endndx field (-1 if none).  */
 413   long last_bf_index;
 414   /* Contents of last_bf_index aux entry.  */
 415   union internal_auxent last_bf;
 416   /* Hash table used to merge debug information.  */
 417   struct coff_debug_merge_hash_table debug_merge;
 418   /* Buffer large enough to hold swapped symbols of any input file.  */
 419   struct internal_syment *internal_syms;
 420   /* Buffer large enough to hold sections of symbols of any input file.  */
 421   asection **sec_ptrs;
 422   /* Buffer large enough to hold output indices of symbols of any
 423      input file.  */
 424   long *sym_indices;
 425   /* Buffer large enough to hold output symbols for any input file.  */
 426   bfd_byte *outsyms;
 427   /* Buffer large enough to hold external line numbers for any input
 428      section.  */
 429   bfd_byte *linenos;
 430   /* Buffer large enough to hold any input section.  */
 431   bfd_byte *contents;
 432   /* Buffer large enough to hold external relocs of any input section.  */
 433   bfd_byte *external_relocs;
 434   /* Buffer large enough to hold swapped relocs of any input section.  */
 435   struct internal_reloc *internal_relocs;
 436 };
 437
 438 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc
 439   PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
 440 extern boolean _bfd_coff_link_hash_table_init
 441   PARAMS ((struct coff_link_hash_table *, bfd *,
 442            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 443                                        struct bfd_hash_table *,
 444                                        const char *)));
 445 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create
 446   PARAMS ((bfd *));
 447 extern const char *_bfd_coff_internal_syment_name
 448   PARAMS ((bfd *, const struct internal_syment *, char *));
 449 extern boolean _bfd_coff_link_add_symbols
 450   PARAMS ((bfd *, struct bfd_link_info *));
 451 extern boolean _bfd_coff_final_link
 452   PARAMS ((bfd *, struct bfd_link_info *));
 453 extern struct internal_reloc *_bfd_coff_read_internal_relocs
 454   PARAMS ((bfd *, asection *, boolean, bfd_byte *, boolean,
 455            struct internal_reloc *));
 456 extern boolean _bfd_coff_generic_relocate_section
 457   PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
 458            struct internal_reloc *, struct internal_syment *, asection **));
 459
 460 extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc
 461   PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
 462 extern boolean _bfd_coff_write_global_sym
 463   PARAMS ((struct coff_link_hash_entry *, PTR));
 464 extern boolean _bfd_coff_link_input_bfd
 465   PARAMS ((struct coff_final_link_info *, bfd *));
 466 extern boolean _bfd_coff_reloc_link_order
 467   PARAMS ((bfd *, struct coff_final_link_info *, asection *,
 468            struct bfd_link_order *));
 469
 470
 471 #define coff_get_section_contents_in_window \
 472   _bfd_generic_get_section_contents_in_window
 473
 474 /* Functions in xcofflink.c.  */
 475
 476 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create
 477   PARAMS ((bfd *));
 478 extern boolean _bfd_xcoff_bfd_link_add_symbols
 479   PARAMS ((bfd *, struct bfd_link_info *));
 480 extern boolean _bfd_xcoff_bfd_final_link
 481   PARAMS ((bfd *, struct bfd_link_info *));
 482 extern boolean _bfd_ppc_xcoff_relocate_section
 483   PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
 484            struct internal_reloc *, struct internal_syment *, asection **));
 485
 486 /* And more taken from the source .. */
 487
 488 typedef struct coff_ptr_struct
 489 {
 490
 491         /* Remembers the offset from the first symbol in the file for
 492           this symbol. Generated by coff_renumber_symbols. */
 493 unsigned int offset;
 494
 495         /* Should the value of this symbol be renumbered.  Used for
 496           XCOFF C_BSTAT symbols.  Set by coff_slurp_symbol_table.  */
 497 unsigned int fix_value : 1;
 498
 499         /* Should the tag field of this symbol be renumbered.
 500           Created by coff_pointerize_aux. */
 501 unsigned int fix_tag : 1;
 502
 503         /* Should the endidx field of this symbol be renumbered.
 504           Created by coff_pointerize_aux. */
 505 unsigned int fix_end : 1;
 506
 507         /* Should the x_csect.x_scnlen field be renumbered.
 508           Created by coff_pointerize_aux. */
 509 unsigned int fix_scnlen : 1;
 510
 511         /* Fix up an XCOFF C_BINCL/C_EINCL symbol.  The value is the
 512           index into the line number entries.  Set by
 513           coff_slurp_symbol_table.  */
 514 unsigned int fix_line : 1;
 515
 516         /* The container for the symbol structure as read and translated
 517            from the file. */
 518
 519 union {
 520    union internal_auxent auxent;
 521    struct internal_syment syment;
 522  } u;
 523 } combined_entry_type;
 524
 525
 526  /* Each canonical asymbol really looks like this: */
 527
 528 typedef struct coff_symbol_struct
 529 {
 530     /* The actual symbol which the rest of BFD works with */
 531 asymbol symbol;
 532
 533     /* A pointer to the hidden information for this symbol */
 534 combined_entry_type *native;
 535
 536     /* A pointer to the linenumber information for this symbol */
 537 struct lineno_cache_entry *lineno;
 538
 539     /* Have the line numbers been relocated yet ? */
 540 boolean done_lineno;
 541 } coff_symbol_type;
 542 typedef struct
 543 {
 544   void (*_bfd_coff_swap_aux_in) PARAMS ((
 545        bfd            *abfd,
 546        PTR             ext,
 547        int             type,
 548        int             class,
 549        int             indaux,
 550        int             numaux,
 551        PTR             in));
 552
 553   void (*_bfd_coff_swap_sym_in) PARAMS ((
 554        bfd            *abfd ,
 555        PTR             ext,
 556        PTR             in));
 557
 558   void (*_bfd_coff_swap_lineno_in) PARAMS ((
 559        bfd            *abfd,
 560        PTR            ext,
 561        PTR             in));
 562
 563  unsigned int (*_bfd_coff_swap_aux_out) PARAMS ((
 564        bfd      *abfd,
 565        PTR      in,
 566        int      type,
 567        int      class,
 568        int     indaux,
 569        int     numaux,
 570        PTR      ext));
 571
 572  unsigned int (*_bfd_coff_swap_sym_out) PARAMS ((
 573       bfd      *abfd,
 574       PTR       in,
 575       PTR       ext));
 576
 577  unsigned int (*_bfd_coff_swap_lineno_out) PARAMS ((
 578         bfd     *abfd,
 579         PTR     in,
 580         PTR     ext));
 581
 582  unsigned int (*_bfd_coff_swap_reloc_out) PARAMS ((
 583         bfd     *abfd,
 584         PTR     src,
 585         PTR     dst));
 586
 587  unsigned int (*_bfd_coff_swap_filehdr_out) PARAMS ((
 588         bfd     *abfd,
 589         PTR     in,
 590         PTR     out));
 591
 592  unsigned int (*_bfd_coff_swap_aouthdr_out) PARAMS ((
 593         bfd     *abfd,
 594         PTR     in,
 595         PTR     out));
 596
 597  unsigned int (*_bfd_coff_swap_scnhdr_out) PARAMS ((
 598         bfd     *abfd,
 599         PTR     in,
 600         PTR     out));
 601
 602  unsigned int _bfd_filhsz;
 603  unsigned int _bfd_aoutsz;
 604  unsigned int _bfd_scnhsz;
 605  unsigned int _bfd_symesz;
 606  unsigned int _bfd_auxesz;
 607  unsigned int _bfd_relsz;
 608  unsigned int _bfd_linesz;
 609  boolean _bfd_coff_long_filenames;
 610  void (*_bfd_coff_swap_filehdr_in) PARAMS ((
 611        bfd     *abfd,
 612        PTR     ext,
 613        PTR     in));
 614  void (*_bfd_coff_swap_aouthdr_in) PARAMS ((
 615        bfd     *abfd,
 616        PTR     ext,
 617        PTR     in));
 618  void (*_bfd_coff_swap_scnhdr_in) PARAMS ((
 619        bfd     *abfd,
 620        PTR     ext,
 621        PTR     in));
 622  void (*_bfd_coff_swap_reloc_in) PARAMS ((
 623        bfd     *abfd,
 624        PTR     ext,
 625        PTR     in));
 626  boolean (*_bfd_coff_bad_format_hook) PARAMS ((
 627        bfd     *abfd,
 628        PTR     internal_filehdr));
 629  boolean (*_bfd_coff_set_arch_mach_hook) PARAMS ((
 630        bfd     *abfd,
 631        PTR     internal_filehdr));
 632  PTR (*_bfd_coff_mkobject_hook) PARAMS ((
 633        bfd     *abfd,
 634        PTR     internal_filehdr,
 635        PTR     internal_aouthdr));
 636  flagword (*_bfd_styp_to_sec_flags_hook) PARAMS ((
 637        bfd     *abfd,
 638        PTR     internal_scnhdr,
 639        const char *name));
 640  void (*_bfd_set_alignment_hook) PARAMS ((
 641        bfd     *abfd,
 642        asection *sec,
 643        PTR     internal_scnhdr));
 644  boolean (*_bfd_coff_slurp_symbol_table) PARAMS ((
 645        bfd     *abfd));
 646  boolean (*_bfd_coff_symname_in_debug) PARAMS ((
 647        bfd     *abfd,
 648        struct internal_syment *sym));
 649  boolean (*_bfd_coff_pointerize_aux_hook) PARAMS ((
 650        bfd *abfd,
 651        combined_entry_type *table_base,
 652        combined_entry_type *symbol,
 653        unsigned int indaux,
 654        combined_entry_type *aux));
 655  boolean (*_bfd_coff_print_aux) PARAMS ((
 656        bfd *abfd,
 657        FILE *file,
 658        combined_entry_type *table_base,
 659        combined_entry_type *symbol,
 660        combined_entry_type *aux,
 661        unsigned int indaux));
 662  void (*_bfd_coff_reloc16_extra_cases) PARAMS ((
 663        bfd     *abfd,
 664        struct bfd_link_info *link_info,
 665        struct bfd_link_order *link_order,
 666        arelent *reloc,
 667        bfd_byte *data,
 668        unsigned int *src_ptr,
 669        unsigned int *dst_ptr));
 670  int (*_bfd_coff_reloc16_estimate) PARAMS ((
 671        bfd *abfd,
 672        asection *input_section,
 673        arelent *r,
 674        unsigned int shrink,
 675        struct bfd_link_info *link_info));
 676  boolean (*_bfd_coff_sym_is_global) PARAMS ((
 677        bfd *abfd,
 678        struct internal_syment *));
 679  void (*_bfd_coff_compute_section_file_positions) PARAMS ((
 680        bfd *abfd));
 681  boolean (*_bfd_coff_start_final_link) PARAMS ((
 682        bfd *output_bfd,
 683        struct bfd_link_info *info));
 684  boolean (*_bfd_coff_relocate_section) PARAMS ((
 685        bfd *output_bfd,
 686        struct bfd_link_info *info,
 687        bfd *input_bfd,
 688        asection *input_section,
 689        bfd_byte *contents,
 690        struct internal_reloc *relocs,
 691        struct internal_syment *syms,
 692        asection **sections));
 693  reloc_howto_type *(*_bfd_coff_rtype_to_howto) PARAMS ((
 694        bfd *abfd,
 695        asection *sec,
 696        struct internal_reloc *rel,
 697        struct coff_link_hash_entry *h,
 698        struct internal_syment *sym,
 699        bfd_vma *addendp));
 700  boolean (*_bfd_coff_adjust_symndx) PARAMS ((
 701        bfd *obfd,
 702        struct bfd_link_info *info,
 703        bfd *ibfd,
 704        asection *sec,
 705        struct internal_reloc *reloc,
 706        boolean *adjustedp));
 707  boolean (*_bfd_coff_link_add_one_symbol) PARAMS ((
 708        struct bfd_link_info *info,
 709        bfd *abfd,
 710        const char *name,
 711        flagword flags,
 712        asection *section,
 713        bfd_vma value,
 714        const char *string,
 715        boolean copy,
 716        boolean collect,
 717        struct bfd_link_hash_entry **hashp));
 718
 719 } bfd_coff_backend_data;
 720
 721 #define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
 722
 723 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \
 724         ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i))
 725
 726 #define bfd_coff_swap_sym_in(a,e,i) \
 727         ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
 728
 729 #define bfd_coff_swap_lineno_in(a,e,i) \
 730         ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
 731
 732 #define bfd_coff_swap_reloc_out(abfd, i, o) \
 733         ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
 734
 735 #define bfd_coff_swap_lineno_out(abfd, i, o) \
 736         ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
 737
 738 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \
 739         ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o))
 740
 741 #define bfd_coff_swap_sym_out(abfd, i,o) \
 742         ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
 743
 744 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \
 745         ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
 746
 747 #define bfd_coff_swap_filehdr_out(abfd, i,o) \
 748         ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
 749
 750 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \
 751         ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
 752
 753 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
 754 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
 755 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
 756 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
 757 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
 758 #define bfd_coff_relsz(abfd)  (coff_backend_info (abfd)->_bfd_relsz)
 759 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
 760 #define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames)
 761 #define bfd_coff_swap_filehdr_in(abfd, i,o) \
 762         ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
 763
 764 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \
 765         ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
 766
 767 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \
 768         ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
 769
 770 #define bfd_coff_swap_reloc_in(abfd, i, o) \
 771         ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o))
 772
 773 #define bfd_coff_bad_format_hook(abfd, filehdr) \
 774         ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
 775
 776 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
 777         ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
 778 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\
 779         ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr))
 780
 781 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name)\
 782         ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook) (abfd, scnhdr, name))
 783
 784 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
 785         ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
 786
 787 #define bfd_coff_slurp_symbol_table(abfd)\
 788         ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
 789
 790 #define bfd_coff_symname_in_debug(abfd, sym)\
 791         ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
 792
 793 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\
 794         ((coff_backend_info (abfd)->_bfd_coff_print_aux)\
 795          (abfd, file, base, symbol, aux, indaux))
 796
 797 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)\
 798         ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
 799          (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr))
 800
 801 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\
 802         ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
 803          (abfd, section, reloc, shrink, link_info))
 804
 805 #define bfd_coff_sym_is_global(abfd, sym)\
 806         ((coff_backend_info (abfd)->_bfd_coff_sym_is_global)\
 807          (abfd, sym))
 808
 809 #define bfd_coff_compute_section_file_positions(abfd)\
 810         ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\
 811          (abfd))
 812
 813 #define bfd_coff_start_final_link(obfd, info)\
 814         ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\
 815          (obfd, info))
 816 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\
 817         ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\
 818          (obfd, info, ibfd, o, con, rel, isyms, secs))
 819 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\
 820         ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\
 821          (abfd, sec, rel, h, sym, addendp))
 822 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\
 823         ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\
 824          (obfd, info, ibfd, sec, rel, adjustedp))
 825 #define bfd_coff_link_add_one_symbol(info,abfd,name,flags,section,value,string,cp,coll,hashp)\
 826         ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\
 827          (info, abfd, name, flags, section, value, string, cp, coll, hashp))
 828