bfd/libcoff.h

   1 /* BFD COFF object file private structure.
   2    Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 1997
   3    Free Software Foundation, Inc.
   4    Written by Cygnus Support.
   5
   6 ** NOTE: libcoff.h is a GENERATED file.  Don't change it; instead,
   7 ** change libcoff-in.h or coffcode.h.
   8
   9 This file is part of BFD, the Binary File Descriptor library.
  10
  11 This program is free software; you can redistribute it and/or modify
  12 it under the terms of the GNU General Public License as published by
  13 the Free Software Foundation; either version 2 of the License, or
  14 (at your option) any later version.
  15
  16 This program is distributed in the hope that it will be useful,
  17 but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 GNU General Public License for more details.
  20
  21 You should have received a copy of the GNU General Public License
  22 along with this program; if not, write to the Free Software
  23 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  24
  25 #include "bfdlink.h"
  26
  27 /* Object file tdata; access macros */
  28
  29 #define coff_data(bfd)          ((bfd)->tdata.coff_obj_data)
  30 #define exec_hdr(bfd)           (coff_data(bfd)->hdr)
  31 #define obj_pe(bfd)             (coff_data(bfd)->pe)
  32 #define obj_symbols(bfd)        (coff_data(bfd)->symbols)
  33 #define obj_sym_filepos(bfd)    (coff_data(bfd)->sym_filepos)
  34
  35 #define obj_relocbase(bfd)      (coff_data(bfd)->relocbase)
  36 #define obj_raw_syments(bfd)    (coff_data(bfd)->raw_syments)
  37 #define obj_raw_syment_count(bfd)       (coff_data(bfd)->raw_syment_count)
  38 #define obj_convert(bfd)        (coff_data(bfd)->conversion_table)
  39 #define obj_conv_table_size(bfd) (coff_data(bfd)->conv_table_size)
  40
  41 #define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms)
  42 #define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms)
  43 #define obj_coff_strings(bfd)   (coff_data (bfd)->strings)
  44 #define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings)
  45 #define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes)
  46
  47 #define obj_coff_local_toc_table(bfd) (coff_data(bfd)->local_toc_sym_map)
  48
  49 /* `Tdata' information kept for COFF files.  */
  50
  51 typedef struct coff_tdata
  52 {
  53   struct   coff_symbol_struct *symbols; /* symtab for input bfd */
  54   unsigned int *conversion_table;
  55   int conv_table_size;
  56   file_ptr sym_filepos;
  57
  58   struct coff_ptr_struct *raw_syments;
  59   unsigned int raw_syment_count;
  60
  61   /* These are only valid once writing has begun */
  62   long int relocbase;
  63
  64   /* These members communicate important constants about the symbol table
  65      to GDB's symbol-reading code.  These `constants' unfortunately vary
  66      from coff implementation to implementation...  */
  67   unsigned local_n_btmask;
  68   unsigned local_n_btshft;
  69   unsigned local_n_tmask;
  70   unsigned local_n_tshift;
  71   unsigned local_symesz;
  72   unsigned local_auxesz;
  73   unsigned local_linesz;
  74
  75   /* The unswapped external symbols.  May be NULL.  Read by
  76      _bfd_coff_get_external_symbols.  */
  77   PTR external_syms;
  78   /* If this is true, the external_syms may not be freed.  */
  79   boolean keep_syms;
  80
  81   /* The string table.  May be NULL.  Read by
  82      _bfd_coff_read_string_table.  */
  83   char *strings;
  84   /* If this is true, the strings may not be freed.  */
  85   boolean keep_strings;
  86
  87   /* is this a PE format coff file */
  88   int pe;
  89   /* Used by the COFF backend linker.  */
  90   struct coff_link_hash_entry **sym_hashes;
  91
  92   /* used by the pe linker for PowerPC */
  93   int *local_toc_sym_map;
  94
  95   struct bfd_link_info *link_info;
  96
  97   /* Used by coff_find_nearest_line.  */
  98   PTR line_info;
  99
 100   /* Copy of some of the f_flags bits in the COFF filehdr structure, used by ARM code */
 101   int flags;
 102
 103 } coff_data_type;
 104
 105 /* Tdata for pe image files. */
 106 typedef struct pe_tdata
 107 {
 108   coff_data_type coff;
 109   struct internal_extra_pe_aouthdr pe_opthdr;
 110   int dll;
 111   int has_reloc_section;
 112   boolean (*in_reloc_p) PARAMS((bfd *, reloc_howto_type *));
 113   flagword real_flags;
 114 } pe_data_type;
 115
 116 #define pe_data(bfd)            ((bfd)->tdata.pe_obj_data)
 117
 118 /* Tdata for XCOFF files.  */
 119
 120 struct xcoff_tdata
 121 {
 122   /* Basic COFF information.  */
 123   coff_data_type coff;
 124
 125   /* True if a large a.out header should be generated.  */
 126   boolean full_aouthdr;
 127
 128   /* TOC value.  */
 129   bfd_vma toc;
 130
 131   /* Index of section holding TOC.  */
 132   int sntoc;
 133
 134   /* Index of section holding entry point.  */
 135   int snentry;
 136
 137   /* .text alignment from optional header.  */
 138   int text_align_power;
 139
 140   /* .data alignment from optional header.  */
 141   int data_align_power;
 142
 143   /* modtype from optional header.  */
 144   short modtype;
 145
 146   /* cputype from optional header.  */
 147   short cputype;
 148
 149   /* maxdata from optional header.  */
 150   bfd_size_type maxdata;
 151
 152   /* maxstack from optional header.  */
 153   bfd_size_type maxstack;
 154
 155   /* Used by the XCOFF backend linker.  */
 156   asection **csects;
 157   unsigned long *debug_indices;
 158   unsigned int import_file_id;
 159 };
 160
 161 #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data)
 162
 163 /* We take the address of the first element of a asymbol to ensure that the
 164  * macro is only ever applied to an asymbol.  */
 165 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
 166
 167 /* The used_by_bfd field of a section may be set to a pointer to this
 168    structure.  */
 169
 170 struct coff_section_tdata
 171 {
 172   /* The relocs, swapped into COFF internal form.  This may be NULL.  */
 173   struct internal_reloc *relocs;
 174   /* If this is true, the relocs entry may not be freed.  */
 175   boolean keep_relocs;
 176   /* The section contents.  This may be NULL.  */
 177   bfd_byte *contents;
 178   /* If this is true, the contents entry may not be freed.  */
 179   boolean keep_contents;
 180   /* Information cached by coff_find_nearest_line.  */
 181   bfd_vma offset;
 182   unsigned int i;
 183   const char *function;
 184   int line_base;
 185   /* A pointer used for .stab linking optimizations.  */
 186   PTR stab_info;
 187   /* Available for individual backends.  */
 188   PTR tdata;
 189 };
 190
 191 /* An accessor macro for the coff_section_tdata structure.  */
 192 #define coff_section_data(abfd, sec) \
 193   ((struct coff_section_tdata *) (sec)->used_by_bfd)
 194
 195 /* Tdata for sections in XCOFF files.  This is used by the linker.  */
 196
 197 struct xcoff_section_tdata
 198 {
 199   /* Used for XCOFF csects created by the linker; points to the real
 200      XCOFF section which contains this csect.  */
 201   asection *enclosing;
 202   /* The lineno_count field for the enclosing section, because we are
 203      going to clobber it there.  */
 204   unsigned int lineno_count;
 205   /* The first and one past the last symbol indices for symbols used
 206      by this csect.  */
 207   unsigned long first_symndx;
 208   unsigned long last_symndx;
 209 };
 210
 211 /* An accessor macro the xcoff_section_tdata structure.  */
 212 #define xcoff_section_data(abfd, sec) \
 213   ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
 214
 215 /* Tdata for sections in PEI image files.  */
 216
 217 struct pei_section_tdata
 218 {
 219   /* The virtual size of the section.  */
 220   bfd_size_type virt_size;
 221 };
 222
 223 /* An accessor macro for the pei_section_tdata structure.  */
 224 #define pei_section_data(abfd, sec) \
 225   ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
 226
 227 /* COFF linker hash table entries.  */
 228
 229 struct coff_link_hash_entry
 230 {
 231   struct bfd_link_hash_entry root;
 232
 233   /* Symbol index in output file.  Set to -1 initially.  Set to -2 if
 234      there is a reloc against this symbol.  */
 235   long indx;
 236
 237   /* Symbol type.  */
 238   unsigned short type;
 239
 240   /* Symbol class.  */
 241   unsigned char class;
 242
 243   /* Number of auxiliary entries.  */
 244   char numaux;
 245
 246   /* BFD to take auxiliary entries from.  */
 247   bfd *auxbfd;
 248
 249   /* Pointer to array of auxiliary entries, if any.  */
 250   union internal_auxent *aux;
 251 };
 252
 253 /* COFF linker hash table.  */
 254
 255 struct coff_link_hash_table
 256 {
 257   struct bfd_link_hash_table root;
 258   /* A pointer to information used to link stabs in sections.  */
 259   PTR stab_info;
 260 };
 261
 262 /* Look up an entry in a COFF linker hash table.  */
 263
 264 #define coff_link_hash_lookup(table, string, create, copy, follow)      \
 265   ((struct coff_link_hash_entry *)                                      \
 266    bfd_link_hash_lookup (&(table)->root, (string), (create),            \
 267                          (copy), (follow)))
 268
 269 /* Traverse a COFF linker hash table.  */
 270
 271 #define coff_link_hash_traverse(table, func, info)                      \
 272   (bfd_link_hash_traverse                                               \
 273    (&(table)->root,                                                     \
 274     (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func),  \
 275     (info)))
 276
 277 /* Get the COFF linker hash table from a link_info structure.  */
 278
 279 #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash))
 280
 281 /* Functions in coffgen.c.  */
 282 extern const bfd_target *coff_object_p PARAMS ((bfd *));
 283 extern struct sec *coff_section_from_bfd_index PARAMS ((bfd *, int));
 284 extern long coff_get_symtab_upper_bound PARAMS ((bfd *));
 285 extern long coff_get_symtab PARAMS ((bfd *, asymbol **));
 286 extern int coff_count_linenumbers PARAMS ((bfd *));
 287 extern struct coff_symbol_struct *coff_symbol_from PARAMS ((bfd *, asymbol *));
 288 extern boolean coff_renumber_symbols PARAMS ((bfd *, int *));
 289 extern void coff_mangle_symbols PARAMS ((bfd *));
 290 extern boolean coff_write_symbols PARAMS ((bfd *));
 291 extern boolean coff_write_linenumbers PARAMS ((bfd *));
 292 extern alent *coff_get_lineno PARAMS ((bfd *, asymbol *));
 293 extern asymbol *coff_section_symbol PARAMS ((bfd *, char *));
 294 extern boolean _bfd_coff_get_external_symbols PARAMS ((bfd *));
 295 extern const char *_bfd_coff_read_string_table PARAMS ((bfd *));
 296 extern boolean _bfd_coff_free_symbols PARAMS ((bfd *));
 297 extern struct coff_ptr_struct *coff_get_normalized_symtab PARAMS ((bfd *));
 298 extern long coff_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr));
 299 extern asymbol *coff_make_empty_symbol PARAMS ((bfd *));
 300 extern void coff_print_symbol PARAMS ((bfd *, PTR filep, asymbol *,
 301                                        bfd_print_symbol_type how));
 302 extern void coff_get_symbol_info PARAMS ((bfd *, asymbol *,
 303                                           symbol_info *ret));
 304 extern boolean _bfd_coff_is_local_label_name PARAMS ((bfd *, const char *));
 305 extern asymbol *coff_bfd_make_debug_symbol PARAMS ((bfd *, PTR,
 306                                                     unsigned long));
 307 extern boolean coff_find_nearest_line PARAMS ((bfd *,
 308                                                asection *,
 309                                                asymbol **,
 310                                                bfd_vma offset,
 311                                                CONST char **filename_ptr,
 312                                                CONST char **functionname_ptr,
 313                                                unsigned int *line_ptr));
 314 extern int coff_sizeof_headers PARAMS ((bfd *, boolean reloc));
 315 extern boolean bfd_coff_reloc16_relax_section
 316   PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *));
 317 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents
 318   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
 319            bfd_byte *, boolean relocateable, asymbol **));
 320 extern bfd_vma bfd_coff_reloc16_get_value PARAMS ((arelent *,
 321                                                    struct bfd_link_info *,
 322                                                    asection *));
 323 extern void bfd_perform_slip PARAMS ((bfd *abfd, unsigned int slip,
 324                                       asection *input_section,
 325                                       bfd_vma val));
 326
 327 /* Functions and types in cofflink.c.  */
 328
 329 #define STRING_SIZE_SIZE (4)
 330
 331 /* We use a hash table to merge identical enum, struct, and union
 332    definitions in the linker.  */
 333
 334 /* Information we keep for a single element (an enum value, a
 335    structure or union field) in the debug merge hash table.  */
 336
 337 struct coff_debug_merge_element
 338 {
 339   /* Next element.  */
 340   struct coff_debug_merge_element *next;
 341
 342   /* Name.  */
 343   const char *name;
 344
 345   /* Type.  */
 346   unsigned int type;
 347
 348   /* Symbol index for complex type.  */
 349   long tagndx;
 350 };
 351
 352 /* A linked list of debug merge entries for a given name.  */
 353
 354 struct coff_debug_merge_type
 355 {
 356   /* Next type with the same name.  */
 357   struct coff_debug_merge_type *next;
 358
 359   /* Class of type.  */
 360   int class;
 361
 362   /* Symbol index where this type is defined.  */
 363   long indx;
 364
 365   /* List of elements.  */
 366   struct coff_debug_merge_element *elements;
 367 };
 368
 369 /* Information we store in the debug merge hash table.  */
 370
 371 struct coff_debug_merge_hash_entry
 372 {
 373   struct bfd_hash_entry root;
 374
 375   /* A list of types with this name.  */
 376   struct coff_debug_merge_type *types;
 377 };
 378
 379 /* The debug merge hash table.  */
 380
 381 struct coff_debug_merge_hash_table
 382 {
 383   struct bfd_hash_table root;
 384 };
 385
 386 /* Initialize a COFF debug merge hash table.  */
 387
 388 #define coff_debug_merge_hash_table_init(table) \
 389   (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc))
 390
 391 /* Free a COFF debug merge hash table.  */
 392
 393 #define coff_debug_merge_hash_table_free(table) \
 394   (bfd_hash_table_free (&(table)->root))
 395
 396 /* Look up an entry in a COFF debug merge hash table.  */
 397
 398 #define coff_debug_merge_hash_lookup(table, string, create, copy) \
 399   ((struct coff_debug_merge_hash_entry *) \
 400    bfd_hash_lookup (&(table)->root, (string), (create), (copy)))
 401
 402 /* Information we keep for each section in the output file when doing
 403    a relocateable link.  */
 404
 405 struct coff_link_section_info
 406 {
 407   /* The relocs to be output.  */
 408   struct internal_reloc *relocs;
 409   /* For each reloc against a global symbol whose index was not known
 410      when the reloc was handled, the global hash table entry.  */
 411   struct coff_link_hash_entry **rel_hashes;
 412 };
 413
 414 /* Information that we pass around while doing the final link step.  */
 415
 416 struct coff_final_link_info
 417 {
 418   /* General link information.  */
 419   struct bfd_link_info *info;
 420   /* Output BFD.  */
 421   bfd *output_bfd;
 422   /* Used to indicate failure in traversal routine.  */
 423   boolean failed;
 424   /* If doing "task linking" set only during the time when we want the
 425      global symbol writer to convert the storage class of defined global
 426      symbols from global to static. */
 427   boolean global_to_static;
 428   /* Hash table for long symbol names.  */
 429   struct bfd_strtab_hash *strtab;
 430   /* When doing a relocateable link, an array of information kept for
 431      each output section, indexed by the target_index field.  */
 432   struct coff_link_section_info *section_info;
 433   /* Symbol index of last C_FILE symbol (-1 if none).  */
 434   long last_file_index;
 435   /* Contents of last C_FILE symbol.  */
 436   struct internal_syment last_file;
 437   /* Symbol index of first aux entry of last .bf symbol with an empty
 438      endndx field (-1 if none).  */
 439   long last_bf_index;
 440   /* Contents of last_bf_index aux entry.  */
 441   union internal_auxent last_bf;
 442   /* Hash table used to merge debug information.  */
 443   struct coff_debug_merge_hash_table debug_merge;
 444   /* Buffer large enough to hold swapped symbols of any input file.  */
 445   struct internal_syment *internal_syms;
 446   /* Buffer large enough to hold sections of symbols of any input file.  */
 447   asection **sec_ptrs;
 448   /* Buffer large enough to hold output indices of symbols of any
 449      input file.  */
 450   long *sym_indices;
 451   /* Buffer large enough to hold output symbols for any input file.  */
 452   bfd_byte *outsyms;
 453   /* Buffer large enough to hold external line numbers for any input
 454      section.  */
 455   bfd_byte *linenos;
 456   /* Buffer large enough to hold any input section.  */
 457   bfd_byte *contents;
 458   /* Buffer large enough to hold external relocs of any input section.  */
 459   bfd_byte *external_relocs;
 460   /* Buffer large enough to hold swapped relocs of any input section.  */
 461   struct internal_reloc *internal_relocs;
 462 };
 463
 464 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc
 465   PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
 466 extern boolean _bfd_coff_link_hash_table_init
 467   PARAMS ((struct coff_link_hash_table *, bfd *,
 468            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 469                                        struct bfd_hash_table *,
 470                                        const char *)));
 471 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create
 472   PARAMS ((bfd *));
 473 extern const char *_bfd_coff_internal_syment_name
 474   PARAMS ((bfd *, const struct internal_syment *, char *));
 475 extern boolean _bfd_coff_link_add_symbols
 476   PARAMS ((bfd *, struct bfd_link_info *));
 477 extern boolean _bfd_coff_final_link
 478   PARAMS ((bfd *, struct bfd_link_info *));
 479 extern struct internal_reloc *_bfd_coff_read_internal_relocs
 480   PARAMS ((bfd *, asection *, boolean, bfd_byte *, boolean,
 481            struct internal_reloc *));
 482 extern boolean _bfd_coff_generic_relocate_section
 483   PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
 484            struct internal_reloc *, struct internal_syment *, asection **));
 485
 486 extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc
 487   PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
 488 extern boolean _bfd_coff_write_global_sym
 489   PARAMS ((struct coff_link_hash_entry *, PTR));
 490 extern boolean _bfd_coff_write_task_globals
 491   PARAMS ((struct coff_link_hash_entry *, PTR));
 492 extern boolean _bfd_coff_link_input_bfd
 493   PARAMS ((struct coff_final_link_info *, bfd *));
 494 extern boolean _bfd_coff_reloc_link_order
 495   PARAMS ((bfd *, struct coff_final_link_info *, asection *,
 496            struct bfd_link_order *));
 497
 498
 499 #define coff_get_section_contents_in_window \
 500   _bfd_generic_get_section_contents_in_window
 501
 502 /* Functions in xcofflink.c.  */
 503
 504 extern long _bfd_xcoff_get_dynamic_symtab_upper_bound PARAMS ((bfd *));
 505 extern long _bfd_xcoff_canonicalize_dynamic_symtab
 506   PARAMS ((bfd *, asymbol **));
 507 extern long _bfd_xcoff_get_dynamic_reloc_upper_bound PARAMS ((bfd *));
 508 extern long _bfd_xcoff_canonicalize_dynamic_reloc
 509   PARAMS ((bfd *, arelent **, asymbol **));
 510 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create
 511   PARAMS ((bfd *));
 512 extern boolean _bfd_xcoff_bfd_link_add_symbols
 513   PARAMS ((bfd *, struct bfd_link_info *));
 514 extern boolean _bfd_xcoff_bfd_final_link
 515   PARAMS ((bfd *, struct bfd_link_info *));
 516 extern boolean _bfd_ppc_xcoff_relocate_section
 517   PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
 518            struct internal_reloc *, struct internal_syment *, asection **));
 519
 520 /* Functions in coff-ppc.c.  FIXME: These are called be pe.em in the
 521    linker, and so should start with bfd and be declared in bfd.h.  */
 522
 523 extern boolean ppc_allocate_toc_section PARAMS ((struct bfd_link_info *));
 524 extern boolean ppc_process_before_allocation
 525   PARAMS ((bfd *, struct bfd_link_info *));
 526
 527 /* And more taken from the source .. */
 528
 529 typedef struct coff_ptr_struct
 530 {
 531
 532         /* Remembers the offset from the first symbol in the file for
 533           this symbol. Generated by coff_renumber_symbols. */
 534 unsigned int offset;
 535
 536         /* Should the value of this symbol be renumbered.  Used for
 537           XCOFF C_BSTAT symbols.  Set by coff_slurp_symbol_table.  */
 538 unsigned int fix_value : 1;
 539
 540         /* Should the tag field of this symbol be renumbered.
 541           Created by coff_pointerize_aux. */
 542 unsigned int fix_tag : 1;
 543
 544         /* Should the endidx field of this symbol be renumbered.
 545           Created by coff_pointerize_aux. */
 546 unsigned int fix_end : 1;
 547
 548         /* Should the x_csect.x_scnlen field be renumbered.
 549           Created by coff_pointerize_aux. */
 550 unsigned int fix_scnlen : 1;
 551
 552         /* Fix up an XCOFF C_BINCL/C_EINCL symbol.  The value is the
 553           index into the line number entries.  Set by
 554           coff_slurp_symbol_table.  */
 555 unsigned int fix_line : 1;
 556
 557         /* The container for the symbol structure as read and translated
 558            from the file. */
 559
 560 union {
 561    union internal_auxent auxent;
 562    struct internal_syment syment;
 563  } u;
 564 } combined_entry_type;
 565
 566
 567  /* Each canonical asymbol really looks like this: */
 568
 569 typedef struct coff_symbol_struct
 570 {
 571     /* The actual symbol which the rest of BFD works with */
 572 asymbol symbol;
 573
 574     /* A pointer to the hidden information for this symbol */
 575 combined_entry_type *native;
 576
 577     /* A pointer to the linenumber information for this symbol */
 578 struct lineno_cache_entry *lineno;
 579
 580     /* Have the line numbers been relocated yet ? */
 581 boolean done_lineno;
 582 } coff_symbol_type;
 583 typedef struct
 584 {
 585   void (*_bfd_coff_swap_aux_in) PARAMS ((
 586        bfd            *abfd,
 587        PTR             ext,
 588        int             type,
 589        int             class,
 590        int             indaux,
 591        int             numaux,
 592        PTR             in));
 593
 594   void (*_bfd_coff_swap_sym_in) PARAMS ((
 595        bfd            *abfd ,
 596        PTR             ext,
 597        PTR             in));
 598
 599   void (*_bfd_coff_swap_lineno_in) PARAMS ((
 600        bfd            *abfd,
 601        PTR            ext,
 602        PTR             in));
 603
 604  unsigned int (*_bfd_coff_swap_aux_out) PARAMS ((
 605        bfd      *abfd,
 606        PTR      in,
 607        int      type,
 608        int      class,
 609        int     indaux,
 610        int     numaux,
 611        PTR      ext));
 612
 613  unsigned int (*_bfd_coff_swap_sym_out) PARAMS ((
 614       bfd      *abfd,
 615       PTR       in,
 616       PTR       ext));
 617
 618  unsigned int (*_bfd_coff_swap_lineno_out) PARAMS ((
 619         bfd     *abfd,
 620         PTR     in,
 621         PTR     ext));
 622
 623  unsigned int (*_bfd_coff_swap_reloc_out) PARAMS ((
 624         bfd     *abfd,
 625         PTR     src,
 626         PTR     dst));
 627
 628  unsigned int (*_bfd_coff_swap_filehdr_out) PARAMS ((
 629         bfd     *abfd,
 630         PTR     in,
 631         PTR     out));
 632
 633  unsigned int (*_bfd_coff_swap_aouthdr_out) PARAMS ((
 634         bfd     *abfd,
 635         PTR     in,
 636         PTR     out));
 637
 638  unsigned int (*_bfd_coff_swap_scnhdr_out) PARAMS ((
 639         bfd     *abfd,
 640         PTR     in,
 641         PTR     out));
 642
 643  unsigned int _bfd_filhsz;
 644  unsigned int _bfd_aoutsz;
 645  unsigned int _bfd_scnhsz;
 646  unsigned int _bfd_symesz;
 647  unsigned int _bfd_auxesz;
 648  unsigned int _bfd_relsz;
 649  unsigned int _bfd_linesz;
 650  boolean _bfd_coff_long_filenames;
 651  boolean _bfd_coff_long_section_names;
 652  unsigned int _bfd_coff_default_section_alignment_power;
 653  void (*_bfd_coff_swap_filehdr_in) PARAMS ((
 654        bfd     *abfd,
 655        PTR     ext,
 656        PTR     in));
 657  void (*_bfd_coff_swap_aouthdr_in) PARAMS ((
 658        bfd     *abfd,
 659        PTR     ext,
 660        PTR     in));
 661  void (*_bfd_coff_swap_scnhdr_in) PARAMS ((
 662        bfd     *abfd,
 663        PTR     ext,
 664        PTR     in));
 665  void (*_bfd_coff_swap_reloc_in) PARAMS ((
 666        bfd     *abfd,
 667        PTR     ext,
 668        PTR     in));
 669  boolean (*_bfd_coff_bad_format_hook) PARAMS ((
 670        bfd     *abfd,
 671        PTR     internal_filehdr));
 672  boolean (*_bfd_coff_set_arch_mach_hook) PARAMS ((
 673        bfd     *abfd,
 674        PTR     internal_filehdr));
 675  PTR (*_bfd_coff_mkobject_hook) PARAMS ((
 676        bfd     *abfd,
 677        PTR     internal_filehdr,
 678        PTR     internal_aouthdr));
 679  flagword (*_bfd_styp_to_sec_flags_hook) PARAMS ((
 680        bfd     *abfd,
 681        PTR     internal_scnhdr,
 682        const char *name));
 683  void (*_bfd_set_alignment_hook) PARAMS ((
 684        bfd     *abfd,
 685        asection *sec,
 686        PTR     internal_scnhdr));
 687  boolean (*_bfd_coff_slurp_symbol_table) PARAMS ((
 688        bfd     *abfd));
 689  boolean (*_bfd_coff_symname_in_debug) PARAMS ((
 690        bfd     *abfd,
 691        struct internal_syment *sym));
 692  boolean (*_bfd_coff_pointerize_aux_hook) PARAMS ((
 693        bfd *abfd,
 694        combined_entry_type *table_base,
 695        combined_entry_type *symbol,
 696        unsigned int indaux,
 697        combined_entry_type *aux));
 698  boolean (*_bfd_coff_print_aux) PARAMS ((
 699        bfd *abfd,
 700        FILE *file,
 701        combined_entry_type *table_base,
 702        combined_entry_type *symbol,
 703        combined_entry_type *aux,
 704        unsigned int indaux));
 705  void (*_bfd_coff_reloc16_extra_cases) PARAMS ((
 706        bfd     *abfd,
 707        struct bfd_link_info *link_info,
 708        struct bfd_link_order *link_order,
 709        arelent *reloc,
 710        bfd_byte *data,
 711        unsigned int *src_ptr,
 712        unsigned int *dst_ptr));
 713  int (*_bfd_coff_reloc16_estimate) PARAMS ((
 714        bfd *abfd,
 715        asection *input_section,
 716        arelent *r,
 717        unsigned int shrink,
 718        struct bfd_link_info *link_info));
 719  boolean (*_bfd_coff_sym_is_global) PARAMS ((
 720        bfd *abfd,
 721        struct internal_syment *));
 722  boolean (*_bfd_coff_compute_section_file_positions) PARAMS ((
 723        bfd *abfd));
 724  boolean (*_bfd_coff_start_final_link) PARAMS ((
 725        bfd *output_bfd,
 726        struct bfd_link_info *info));
 727  boolean (*_bfd_coff_relocate_section) PARAMS ((
 728        bfd *output_bfd,
 729        struct bfd_link_info *info,
 730        bfd *input_bfd,
 731        asection *input_section,
 732        bfd_byte *contents,
 733        struct internal_reloc *relocs,
 734        struct internal_syment *syms,
 735        asection **sections));
 736  reloc_howto_type *(*_bfd_coff_rtype_to_howto) PARAMS ((
 737        bfd *abfd,
 738        asection *sec,
 739        struct internal_reloc *rel,
 740        struct coff_link_hash_entry *h,
 741        struct internal_syment *sym,
 742        bfd_vma *addendp));
 743  boolean (*_bfd_coff_adjust_symndx) PARAMS ((
 744        bfd *obfd,
 745        struct bfd_link_info *info,
 746        bfd *ibfd,
 747        asection *sec,
 748        struct internal_reloc *reloc,
 749        boolean *adjustedp));
 750  boolean (*_bfd_coff_link_add_one_symbol) PARAMS ((
 751        struct bfd_link_info *info,
 752        bfd *abfd,
 753        const char *name,
 754        flagword flags,
 755        asection *section,
 756        bfd_vma value,
 757        const char *string,
 758        boolean copy,
 759        boolean collect,
 760        struct bfd_link_hash_entry **hashp));
 761
 762  boolean (*_bfd_coff_link_output_has_begun) PARAMS ((
 763         bfd * abfd ));
 764  boolean (*_bfd_coff_final_link_postscript) PARAMS ((
 765         bfd * abfd,
 766         struct coff_final_link_info * pfinfo));
 767
 768 } bfd_coff_backend_data;
 769
 770 #define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
 771
 772 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \
 773         ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i))
 774
 775 #define bfd_coff_swap_sym_in(a,e,i) \
 776         ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
 777
 778 #define bfd_coff_swap_lineno_in(a,e,i) \
 779         ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
 780
 781 #define bfd_coff_swap_reloc_out(abfd, i, o) \
 782         ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
 783
 784 #define bfd_coff_swap_lineno_out(abfd, i, o) \
 785         ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
 786
 787 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \
 788         ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o))
 789
 790 #define bfd_coff_swap_sym_out(abfd, i,o) \
 791         ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
 792
 793 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \
 794         ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
 795
 796 #define bfd_coff_swap_filehdr_out(abfd, i,o) \
 797         ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
 798
 799 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \
 800         ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
 801
 802 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
 803 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
 804 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
 805 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
 806 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
 807 #define bfd_coff_relsz(abfd)  (coff_backend_info (abfd)->_bfd_relsz)
 808 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
 809 #define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames)
 810 #define bfd_coff_long_section_names(abfd) \
 811         (coff_backend_info (abfd)->_bfd_coff_long_section_names)
 812 #define bfd_coff_default_section_alignment_power(abfd) \
 813          (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power)
 814 #define bfd_coff_swap_filehdr_in(abfd, i,o) \
 815         ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
 816
 817 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \
 818         ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
 819
 820 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \
 821         ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
 822
 823 #define bfd_coff_swap_reloc_in(abfd, i, o) \
 824         ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o))
 825
 826 #define bfd_coff_bad_format_hook(abfd, filehdr) \
 827         ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
 828
 829 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
 830         ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
 831 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\
 832         ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr))
 833
 834 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name)\
 835         ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook) (abfd, scnhdr, name))
 836
 837 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
 838         ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
 839
 840 #define bfd_coff_slurp_symbol_table(abfd)\
 841         ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
 842
 843 #define bfd_coff_symname_in_debug(abfd, sym)\
 844         ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
 845
 846 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\
 847         ((coff_backend_info (abfd)->_bfd_coff_print_aux)\
 848          (abfd, file, base, symbol, aux, indaux))
 849
 850 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)\
 851         ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
 852          (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr))
 853
 854 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\
 855         ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
 856          (abfd, section, reloc, shrink, link_info))
 857
 858 #define bfd_coff_sym_is_global(abfd, sym)\
 859         ((coff_backend_info (abfd)->_bfd_coff_sym_is_global)\
 860          (abfd, sym))
 861
 862 #define bfd_coff_compute_section_file_positions(abfd)\
 863         ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\
 864          (abfd))
 865
 866 #define bfd_coff_start_final_link(obfd, info)\
 867         ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\
 868          (obfd, info))
 869 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\
 870         ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\
 871          (obfd, info, ibfd, o, con, rel, isyms, secs))
 872 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\
 873         ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\
 874          (abfd, sec, rel, h, sym, addendp))
 875 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\
 876         ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\
 877          (obfd, info, ibfd, sec, rel, adjustedp))
 878 #define bfd_coff_link_add_one_symbol(info,abfd,name,flags,section,value,string,cp,coll,hashp)\
 879         ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\
 880          (info, abfd, name, flags, section, value, string, cp, coll, hashp))
 881
 882 #define bfd_coff_link_output_has_begun(a) \
 883         ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a))
 884 #define bfd_coff_final_link_postscript(a,p) \
 885         ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a,p))
 886