bfd/libcoff-in.h

   1 /* BFD COFF object file private structure.
   2    Copyright (C) 1990-2018 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
  20    MA 02110-1301, USA.  */
  21
  22 #ifndef _LIBCOFF_H
  23 #define _LIBCOFF_H 1
  24
  25 #include "bfdlink.h"
  26 #include "coff-bfd.h"
  27
  28 #ifdef __cplusplus
  29 extern "C" {
  30 #endif
  31
  32 /* Object file tdata; access macros.  */
  33
  34 #define coff_data(bfd)                ((bfd)->tdata.coff_obj_data)
  35 #define obj_pe(bfd)                   (coff_data (bfd)->pe)
  36 #define obj_symbols(bfd)              (coff_data (bfd)->symbols)
  37 #define obj_sym_filepos(bfd)          (coff_data (bfd)->sym_filepos)
  38 #define obj_relocbase(bfd)            (coff_data (bfd)->relocbase)
  39 #define obj_raw_syments(bfd)          (coff_data (bfd)->raw_syments)
  40 #define obj_raw_syment_count(bfd)     (coff_data (bfd)->raw_syment_count)
  41 #define obj_convert(bfd)              (coff_data (bfd)->conversion_table)
  42 #define obj_conv_table_size(bfd)      (coff_data (bfd)->conv_table_size)
  43 #define obj_coff_external_syms(bfd)   (coff_data (bfd)->external_syms)
  44 #define obj_coff_keep_syms(bfd)       (coff_data (bfd)->keep_syms)
  45 #define obj_coff_strings(bfd)         (coff_data (bfd)->strings)
  46 #define obj_coff_strings_len(bfd)     (coff_data (bfd)->strings_len)
  47 #define obj_coff_keep_strings(bfd)    (coff_data (bfd)->keep_strings)
  48 #define obj_coff_sym_hashes(bfd)      (coff_data (bfd)->sym_hashes)
  49 #define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written)
  50 #define obj_coff_local_toc_table(bfd) (coff_data (bfd)->local_toc_sym_map)
  51
  52 /* `Tdata' information kept for COFF files.  */
  53
  54 typedef struct coff_tdata
  55 {
  56   struct coff_symbol_struct *symbols;   /* Symtab for input bfd.  */
  57   unsigned int *conversion_table;
  58   int conv_table_size;
  59   file_ptr sym_filepos;
  60
  61   struct coff_ptr_struct *raw_syments;
  62   unsigned long raw_syment_count;
  63
  64   /* These are only valid once writing has begun.  */
  65   unsigned long int relocbase;
  66
  67   /* These members communicate important constants about the symbol table
  68      to GDB's symbol-reading code.  These `constants' unfortunately vary
  69      from coff implementation to implementation...  */
  70   unsigned local_n_btmask;
  71   unsigned local_n_btshft;
  72   unsigned local_n_tmask;
  73   unsigned local_n_tshift;
  74   unsigned local_symesz;
  75   unsigned local_auxesz;
  76   unsigned local_linesz;
  77
  78   /* The unswapped external symbols.  May be NULL.  Read by
  79      _bfd_coff_get_external_symbols.  */
  80   void * external_syms;
  81   /* If this is TRUE, the external_syms may not be freed.  */
  82   bfd_boolean keep_syms;
  83
  84   /* The string table.  May be NULL.  Read by
  85      _bfd_coff_read_string_table.  */
  86   char *strings;
  87   /* The length of the strings table.  For error checking.  */
  88   bfd_size_type strings_len;
  89   /* If this is TRUE, the strings may not be freed.  */
  90   bfd_boolean keep_strings;
  91   /* If this is TRUE, the strings have been written out already.  */
  92   bfd_boolean strings_written;
  93
  94   /* Is this a PE format coff file?  */
  95   int pe;
  96   /* Used by the COFF backend linker.  */
  97   struct coff_link_hash_entry **sym_hashes;
  98
  99   /* Used by the pe linker for PowerPC.  */
 100   int *local_toc_sym_map;
 101
 102   struct bfd_link_info *link_info;
 103
 104   /* Used by coff_find_nearest_line.  */
 105   void * line_info;
 106
 107   /* A place to stash dwarf2 info for this bfd.  */
 108   void * dwarf2_find_line_info;
 109
 110   /* The timestamp from the COFF file header.  */
 111   long timestamp;
 112
 113   /* Copy of some of the f_flags bits in the COFF filehdr structure,
 114      used by ARM code.  */
 115   flagword flags;
 116
 117   /* coff-stgo32 EXE stub header after BFD tdata has been allocated.  Its data
 118      is kept in internal_filehdr.go32stub beforehand.  */
 119   char *go32stub;
 120 } coff_data_type;
 121
 122 /* Tdata for pe image files.  */
 123 typedef struct pe_tdata
 124 {
 125   coff_data_type coff;
 126   struct internal_extra_pe_aouthdr pe_opthdr;
 127   int dll;
 128   int has_reloc_section;
 129   int dont_strip_reloc;
 130   bfd_boolean insert_timestamp;
 131   bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *);
 132   flagword real_flags;
 133
 134   /* Build-id info.  */
 135   struct
 136   {
 137     bfd_boolean (*after_write_object_contents) (bfd *);
 138     const char *style;
 139     asection *sec;
 140   } build_id;
 141 } pe_data_type;
 142
 143 #define pe_data(bfd)            ((bfd)->tdata.pe_obj_data)
 144
 145 /* Tdata for XCOFF files.  */
 146
 147 struct xcoff_tdata
 148 {
 149   /* Basic COFF information.  */
 150   coff_data_type coff;
 151
 152   /* TRUE if this is an XCOFF64 file. */
 153   bfd_boolean xcoff64;
 154
 155   /* TRUE if a large a.out header should be generated.  */
 156   bfd_boolean full_aouthdr;
 157
 158   /* TOC value.  */
 159   bfd_vma toc;
 160
 161   /* Index of section holding TOC.  */
 162   int sntoc;
 163
 164   /* Index of section holding entry point.  */
 165   int snentry;
 166
 167   /* .text alignment from optional header.  */
 168   int text_align_power;
 169
 170   /* .data alignment from optional header.  */
 171   int data_align_power;
 172
 173   /* modtype from optional header.  */
 174   short modtype;
 175
 176   /* cputype from optional header.  */
 177   short cputype;
 178
 179   /* maxdata from optional header.  */
 180   bfd_vma maxdata;
 181
 182   /* maxstack from optional header.  */
 183   bfd_vma maxstack;
 184
 185   /* Used by the XCOFF backend linker.  */
 186   asection **csects;
 187   long *debug_indices;
 188   unsigned int *lineno_counts;
 189   unsigned int import_file_id;
 190 };
 191
 192 #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data)
 193
 194 /* We take the address of the first element of an asymbol to ensure that the
 195    macro is only ever applied to an asymbol.  */
 196 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
 197
 198 /* Tdata for sections in XCOFF files.  This is used by the linker.  */
 199
 200 struct xcoff_section_tdata
 201 {
 202   /* Used for XCOFF csects created by the linker; points to the real
 203      XCOFF section which contains this csect.  */
 204   asection *enclosing;
 205   /* The lineno_count field for the enclosing section, because we are
 206      going to clobber it there.  */
 207   unsigned int lineno_count;
 208   /* The first and last symbol indices for symbols used by this csect.  */
 209   unsigned long first_symndx;
 210   unsigned long last_symndx;
 211 };
 212
 213 /* An accessor macro the xcoff_section_tdata structure.  */
 214 #define xcoff_section_data(abfd, sec) \
 215   ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
 216
 217 /* Tdata for sections in PE files.  */
 218
 219 struct pei_section_tdata
 220 {
 221   /* The virtual size of the section.  */
 222   bfd_size_type virt_size;
 223   /* The PE section flags.  */
 224   long pe_flags;
 225 };
 226
 227 /* An accessor macro for the pei_section_tdata structure.  */
 228 #define pei_section_data(abfd, sec) \
 229   ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
 230
 231 /* COFF linker hash table entries.  */
 232
 233 struct coff_link_hash_entry
 234 {
 235   struct bfd_link_hash_entry root;
 236
 237   /* Symbol index in output file.  Set to -1 initially.  Set to -2 if
 238      there is a reloc against this symbol.  */
 239   long indx;
 240
 241   /* Symbol type.  */
 242   unsigned short type;
 243
 244   /* Symbol class.  */
 245   unsigned char symbol_class;
 246
 247   /* Number of auxiliary entries.  */
 248   char numaux;
 249
 250   /* BFD to take auxiliary entries from.  */
 251   bfd *auxbfd;
 252
 253   /* Pointer to array of auxiliary entries, if any.  */
 254   union internal_auxent *aux;
 255
 256   /* Flag word; legal values follow.  */
 257   unsigned short coff_link_hash_flags;
 258   /* Symbol is a PE section symbol.  */
 259 #define COFF_LINK_HASH_PE_SECTION_SYMBOL (01)
 260 };
 261
 262 /* COFF linker hash table.  */
 263
 264 struct coff_link_hash_table
 265 {
 266   struct bfd_link_hash_table root;
 267   /* A pointer to information used to link stabs in sections.  */
 268   struct stab_info stab_info;
 269 };
 270
 271 struct coff_reloc_cookie
 272 {
 273   struct internal_reloc *         rels;
 274   struct internal_reloc *         rel;
 275   struct internal_reloc *         relend;
 276   struct coff_symbol_struct *     symbols;      /* Symtab for input bfd.  */
 277   bfd *                           abfd;
 278   struct coff_link_hash_entry **  sym_hashes;
 279 };
 280
 281 /* Look up an entry in a COFF linker hash table.  */
 282
 283 #define coff_link_hash_lookup(table, string, create, copy, follow)      \
 284   ((struct coff_link_hash_entry *)                                      \
 285    bfd_link_hash_lookup (&(table)->root, (string), (create),            \
 286                          (copy), (follow)))
 287
 288 /* Traverse a COFF linker hash table.  */
 289
 290 #define coff_link_hash_traverse(table, func, info)                      \
 291   (bfd_link_hash_traverse                                               \
 292    (&(table)->root,                                                     \
 293     (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \
 294     (info)))
 295
 296 /* Get the COFF linker hash table from a link_info structure.  */
 297
 298 #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash))
 299
 300 /* Functions in coffgen.c.  */
 301 extern const bfd_target *coff_object_p
 302   (bfd *);
 303 extern struct bfd_section *coff_section_from_bfd_index
 304   (bfd *, int);
 305 extern long coff_get_symtab_upper_bound
 306   (bfd *);
 307 extern long coff_canonicalize_symtab
 308   (bfd *, asymbol **);
 309 extern int coff_count_linenumbers
 310   (bfd *);
 311 extern bfd_boolean coff_renumber_symbols
 312   (bfd *, int *);
 313 extern void coff_mangle_symbols
 314   (bfd *);
 315 extern bfd_boolean coff_write_symbols
 316   (bfd *);
 317 extern bfd_boolean coff_write_alien_symbol
 318   (bfd *, asymbol *, struct internal_syment *, union internal_auxent *,
 319    bfd_vma *, bfd_size_type *, asection **, bfd_size_type *);
 320 extern bfd_boolean coff_write_linenumbers
 321   (bfd *);
 322 extern alent *coff_get_lineno
 323   (bfd *, asymbol *);
 324 extern asymbol *coff_section_symbol
 325   (bfd *, char *);
 326 extern bfd_boolean _bfd_coff_get_external_symbols
 327   (bfd *);
 328 extern const char *_bfd_coff_read_string_table
 329   (bfd *);
 330 extern bfd_boolean _bfd_coff_free_symbols
 331   (bfd *);
 332 extern struct coff_ptr_struct *coff_get_normalized_symtab
 333   (bfd *);
 334 extern long coff_get_reloc_upper_bound
 335   (bfd *, sec_ptr);
 336 extern asymbol *coff_make_empty_symbol
 337   (bfd *);
 338 extern void coff_print_symbol
 339   (bfd *, void * filep, asymbol *, bfd_print_symbol_type);
 340 extern void coff_get_symbol_info
 341   (bfd *, asymbol *, symbol_info *ret);
 342 #define coff_get_symbol_version_string \
 343   _bfd_nosymbols_get_symbol_version_string
 344 extern bfd_boolean _bfd_coff_is_local_label_name
 345   (bfd *, const char *);
 346 extern asymbol *coff_bfd_make_debug_symbol
 347   (bfd *, void *, unsigned long);
 348 extern bfd_boolean coff_find_nearest_line
 349   (bfd *, asymbol **, asection *, bfd_vma,
 350    const char **, const char **, unsigned int *, unsigned int *);
 351 #define coff_find_line _bfd_nosymbols_find_line
 352 struct dwarf_debug_section;
 353 extern bfd_boolean coff_find_nearest_line_with_names
 354   (bfd *, asymbol **, asection *, bfd_vma, const char **, const char **,
 355    unsigned int *, const struct dwarf_debug_section *);
 356 extern bfd_boolean coff_find_inliner_info
 357   (bfd *, const char **, const char **, unsigned int *);
 358 extern int coff_sizeof_headers
 359   (bfd *, struct bfd_link_info *);
 360 extern bfd_boolean bfd_coff_reloc16_relax_section
 361   (bfd *, asection *, struct bfd_link_info *, bfd_boolean *);
 362 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents
 363   (bfd *, struct bfd_link_info *, struct bfd_link_order *,
 364    bfd_byte *, bfd_boolean, asymbol **);
 365 extern bfd_vma bfd_coff_reloc16_get_value
 366   (arelent *, struct bfd_link_info *, asection *);
 367 extern void bfd_perform_slip
 368   (bfd *, unsigned int, asection *, bfd_vma);
 369
 370 /* Functions and types in cofflink.c.  */
 371
 372 #define STRING_SIZE_SIZE 4
 373
 374 /* We use a hash table to merge identical enum, struct, and union
 375    definitions in the linker.  */
 376
 377 /* Information we keep for a single element (an enum value, a
 378    structure or union field) in the debug merge hash table.  */
 379
 380 struct coff_debug_merge_element
 381 {
 382   /* Next element.  */
 383   struct coff_debug_merge_element *next;
 384
 385   /* Name.  */
 386   const char *name;
 387
 388   /* Type.  */
 389   unsigned int type;
 390
 391   /* Symbol index for complex type.  */
 392   long tagndx;
 393 };
 394
 395 /* A linked list of debug merge entries for a given name.  */
 396
 397 struct coff_debug_merge_type
 398 {
 399   /* Next type with the same name.  */
 400   struct coff_debug_merge_type *next;
 401
 402   /* Class of type.  */
 403   int type_class;
 404
 405   /* Symbol index where this type is defined.  */
 406   long indx;
 407
 408   /* List of elements.  */
 409   struct coff_debug_merge_element *elements;
 410 };
 411
 412 /* Information we store in the debug merge hash table.  */
 413
 414 struct coff_debug_merge_hash_entry
 415 {
 416   struct bfd_hash_entry root;
 417
 418   /* A list of types with this name.  */
 419   struct coff_debug_merge_type *types;
 420 };
 421
 422 /* The debug merge hash table.  */
 423
 424 struct coff_debug_merge_hash_table
 425 {
 426   struct bfd_hash_table root;
 427 };
 428
 429 /* Initialize a COFF debug merge hash table.  */
 430
 431 #define coff_debug_merge_hash_table_init(table) \
 432   (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \
 433                         sizeof (struct coff_debug_merge_hash_entry)))
 434
 435 /* Free a COFF debug merge hash table.  */
 436
 437 #define coff_debug_merge_hash_table_free(table) \
 438   (bfd_hash_table_free (&(table)->root))
 439
 440 /* Look up an entry in a COFF debug merge hash table.  */
 441
 442 #define coff_debug_merge_hash_lookup(table, string, create, copy) \
 443   ((struct coff_debug_merge_hash_entry *) \
 444    bfd_hash_lookup (&(table)->root, (string), (create), (copy)))
 445
 446 /* Information we keep for each section in the output file when doing
 447    a relocatable link.  */
 448
 449 struct coff_link_section_info
 450 {
 451   /* The relocs to be output.  */
 452   struct internal_reloc *relocs;
 453   /* For each reloc against a global symbol whose index was not known
 454      when the reloc was handled, the global hash table entry.  */
 455   struct coff_link_hash_entry **rel_hashes;
 456 };
 457
 458 /* Information that we pass around while doing the final link step.  */
 459
 460 struct coff_final_link_info
 461 {
 462   /* General link information.  */
 463   struct bfd_link_info *info;
 464   /* Output BFD.  */
 465   bfd *output_bfd;
 466   /* Used to indicate failure in traversal routine.  */
 467   bfd_boolean failed;
 468   /* If doing "task linking" set only during the time when we want the
 469      global symbol writer to convert the storage class of defined global
 470      symbols from global to static. */
 471   bfd_boolean global_to_static;
 472   /* Hash table for long symbol names.  */
 473   struct bfd_strtab_hash *strtab;
 474   /* When doing a relocatable link, an array of information kept for
 475      each output section, indexed by the target_index field.  */
 476   struct coff_link_section_info *section_info;
 477   /* Symbol index of last C_FILE symbol (-1 if none).  */
 478   long last_file_index;
 479   /* Contents of last C_FILE symbol.  */
 480   struct internal_syment last_file;
 481   /* Symbol index of first aux entry of last .bf symbol with an empty
 482      endndx field (-1 if none).  */
 483   long last_bf_index;
 484   /* Contents of last_bf_index aux entry.  */
 485   union internal_auxent last_bf;
 486   /* Hash table used to merge debug information.  */
 487   struct coff_debug_merge_hash_table debug_merge;
 488   /* Buffer large enough to hold swapped symbols of any input file.  */
 489   struct internal_syment *internal_syms;
 490   /* Buffer large enough to hold sections of symbols of any input file.  */
 491   asection **sec_ptrs;
 492   /* Buffer large enough to hold output indices of symbols of any
 493      input file.  */
 494   long *sym_indices;
 495   /* Buffer large enough to hold output symbols for any input file.  */
 496   bfd_byte *outsyms;
 497   /* Buffer large enough to hold external line numbers for any input
 498      section.  */
 499   bfd_byte *linenos;
 500   /* Buffer large enough to hold any input section.  */
 501   bfd_byte *contents;
 502   /* Buffer large enough to hold external relocs of any input section.  */
 503   bfd_byte *external_relocs;
 504   /* Buffer large enough to hold swapped relocs of any input section.  */
 505   struct internal_reloc *internal_relocs;
 506 };
 507
 508 /* Most COFF variants have no way to record the alignment of a
 509    section.  This struct is used to set a specific alignment based on
 510    the name of the section.  */
 511
 512 struct coff_section_alignment_entry
 513 {
 514   /* The section name.  */
 515   const char *name;
 516
 517   /* This is either (unsigned int) -1, indicating that the section
 518      name must match exactly, or it is the number of letters which
 519      must match at the start of the name.  */
 520   unsigned int comparison_length;
 521
 522   /* These macros may be used to fill in the first two fields in a
 523      structure initialization.  */
 524 #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1)
 525 #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1)
 526
 527   /* Only use this entry if the default section alignment for this
 528      target is at least that much (as a power of two).  If this field
 529      is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored.  */
 530   unsigned int default_alignment_min;
 531
 532   /* Only use this entry if the default section alignment for this
 533      target is no greater than this (as a power of two).  If this
 534      field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored.  */
 535   unsigned int default_alignment_max;
 536
 537 #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1)
 538
 539   /* The desired alignment for this section (as a power of two).  */
 540   unsigned int alignment_power;
 541 };
 542
 543 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc
 544   (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
 545 extern bfd_boolean _bfd_coff_link_hash_table_init
 546   (struct coff_link_hash_table *, bfd *,
 547    struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 548                                struct bfd_hash_table *,
 549                                const char *),
 550    unsigned int);
 551 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create
 552   (bfd *);
 553 extern const char *_bfd_coff_internal_syment_name
 554   (bfd *, const struct internal_syment *, char *);
 555 extern bfd_boolean _bfd_coff_section_already_linked
 556   (bfd *, asection *, struct bfd_link_info *);
 557 extern bfd_boolean _bfd_coff_link_add_symbols
 558   (bfd *, struct bfd_link_info *);
 559 extern bfd_boolean _bfd_coff_final_link
 560   (bfd *, struct bfd_link_info *);
 561 extern struct internal_reloc *_bfd_coff_read_internal_relocs
 562   (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean,
 563    struct internal_reloc *);
 564 extern bfd_boolean _bfd_coff_generic_relocate_section
 565   (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
 566    struct internal_reloc *, struct internal_syment *, asection **);
 567 extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc
 568   (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
 569 extern bfd_boolean _bfd_coff_write_global_sym
 570   (struct bfd_hash_entry *, void *);
 571 extern bfd_boolean _bfd_coff_write_task_globals
 572   (struct coff_link_hash_entry *, void *);
 573 extern bfd_boolean _bfd_coff_link_input_bfd
 574   (struct coff_final_link_info *, bfd *);
 575 extern bfd_boolean _bfd_coff_reloc_link_order
 576   (bfd *, struct coff_final_link_info *, asection *,
 577    struct bfd_link_order *);
 578 extern bfd_boolean bfd_coff_gc_sections
 579   (bfd *, struct bfd_link_info *);
 580
 581
 582 #define coff_get_section_contents_in_window \
 583   _bfd_generic_get_section_contents_in_window
 584
 585 /* Functions in xcofflink.c.  */
 586
 587 extern long _bfd_xcoff_get_dynamic_symtab_upper_bound
 588   (bfd *);
 589 extern long _bfd_xcoff_canonicalize_dynamic_symtab
 590   (bfd *, asymbol **);
 591 extern long _bfd_xcoff_get_dynamic_reloc_upper_bound
 592   (bfd *);
 593 extern long _bfd_xcoff_canonicalize_dynamic_reloc
 594   (bfd *, arelent **, asymbol **);
 595 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create
 596   (bfd *);
 597 extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols
 598   (bfd *, struct bfd_link_info *);
 599 extern bfd_boolean _bfd_xcoff_bfd_final_link
 600   (bfd *, struct bfd_link_info *);
 601 extern bfd_boolean _bfd_xcoff_define_common_symbol
 602   (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *);
 603 extern bfd_boolean _bfd_ppc_xcoff_relocate_section
 604   (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
 605    struct internal_reloc *, struct internal_syment *, asection **);
 606
 607 /* Functions in coff-ppc.c.  FIXME: These are called by pe.em in the
 608    linker, and so should start with bfd and be declared in bfd.h.  */
 609
 610 extern bfd_boolean ppc_allocate_toc_section
 611   (struct bfd_link_info *);
 612 extern bfd_boolean ppc_process_before_allocation
 613   (bfd *, struct bfd_link_info *);