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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [bfd/] [libcoff-in.h] - Blame information for rev 163

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1 14 khays
/* BFD COFF object file private structure.
2
   Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
3 148 khays
   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
4 14 khays
   Free Software Foundation, Inc.
5
   Written by Cygnus Support.
6
 
7
   This file is part of BFD, the Binary File Descriptor library.
8
 
9
   This program is free software; you can redistribute it and/or modify
10
   it under the terms of the GNU General Public License as published by
11
   the Free Software Foundation; either version 3 of the License, or
12
   (at your option) any later version.
13
 
14
   This program is distributed in the hope that it will be useful,
15
   but WITHOUT ANY WARRANTY; without even the implied warranty of
16
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
   GNU General Public License for more details.
18
 
19
   You should have received a copy of the GNU General Public License
20
   along with this program; if not, write to the Free Software
21
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
22
   MA 02110-1301, 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 obj_pe(bfd)                   (coff_data (bfd)->pe)
30
#define obj_symbols(bfd)              (coff_data (bfd)->symbols)
31
#define obj_sym_filepos(bfd)          (coff_data (bfd)->sym_filepos)
32
#define obj_relocbase(bfd)            (coff_data (bfd)->relocbase)
33
#define obj_raw_syments(bfd)          (coff_data (bfd)->raw_syments)
34
#define obj_raw_syment_count(bfd)     (coff_data (bfd)->raw_syment_count)
35
#define obj_convert(bfd)              (coff_data (bfd)->conversion_table)
36
#define obj_conv_table_size(bfd)      (coff_data (bfd)->conv_table_size)
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
#define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written)
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 long 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
  void * external_syms;
74
  /* If this is TRUE, the external_syms may not be freed.  */
75
  bfd_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
  bfd_boolean keep_strings;
82
  /* If this is TRUE, the strings have been written out already.  */
83
  bfd_boolean strings_written;
84
 
85
  /* Is this a PE format coff file?  */
86
  int pe;
87
  /* Used by the COFF backend linker.  */
88
  struct coff_link_hash_entry **sym_hashes;
89
 
90
  /* Used by the pe linker for PowerPC.  */
91
  int *local_toc_sym_map;
92
 
93
  struct bfd_link_info *link_info;
94
 
95
  /* Used by coff_find_nearest_line.  */
96
  void * line_info;
97
 
98
  /* A place to stash dwarf2 info for this bfd.  */
99
  void * dwarf2_find_line_info;
100
 
101
  /* The timestamp from the COFF file header.  */
102
  long timestamp;
103
 
104
  /* Copy of some of the f_flags bits in the COFF filehdr structure,
105
     used by ARM code.  */
106
  flagword flags;
107
 
108
  /* coff-stgo32 EXE stub header after BFD tdata has been allocated.  Its data
109
     is kept in internal_filehdr.go32stub beforehand.  */
110
  char *go32stub;
111
} coff_data_type;
112
 
113
/* Tdata for pe image files.  */
114
typedef struct pe_tdata
115
{
116
  coff_data_type coff;
117
  struct internal_extra_pe_aouthdr pe_opthdr;
118
  int dll;
119
  int has_reloc_section;
120
  int dont_strip_reloc;
121
  bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *);
122
  flagword real_flags;
123
} pe_data_type;
124
 
125
#define pe_data(bfd)            ((bfd)->tdata.pe_obj_data)
126
 
127
/* Tdata for XCOFF files.  */
128
 
129
struct xcoff_tdata
130
{
131
  /* Basic COFF information.  */
132
  coff_data_type coff;
133
 
134
  /* TRUE if this is an XCOFF64 file. */
135
  bfd_boolean xcoff64;
136
 
137
  /* TRUE if a large a.out header should be generated.  */
138
  bfd_boolean full_aouthdr;
139
 
140
  /* TOC value.  */
141
  bfd_vma toc;
142
 
143
  /* Index of section holding TOC.  */
144
  int sntoc;
145
 
146
  /* Index of section holding entry point.  */
147
  int snentry;
148
 
149
  /* .text alignment from optional header.  */
150
  int text_align_power;
151
 
152
  /* .data alignment from optional header.  */
153
  int data_align_power;
154
 
155
  /* modtype from optional header.  */
156
  short modtype;
157
 
158
  /* cputype from optional header.  */
159
  short cputype;
160
 
161
  /* maxdata from optional header.  */
162
  bfd_vma maxdata;
163
 
164
  /* maxstack from optional header.  */
165
  bfd_vma maxstack;
166
 
167
  /* Used by the XCOFF backend linker.  */
168
  asection **csects;
169
  long *debug_indices;
170
  unsigned int *lineno_counts;
171
  unsigned int import_file_id;
172
};
173
 
174
#define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data)
175
 
176
/* We take the address of the first element of an asymbol to ensure that the
177
   macro is only ever applied to an asymbol.  */
178
#define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
179
 
180
/* The used_by_bfd field of a section may be set to a pointer to this
181
   structure.  */
182
 
183
struct coff_section_tdata
184
{
185
  /* The relocs, swapped into COFF internal form.  This may be NULL.  */
186
  struct internal_reloc *relocs;
187
  /* If this is TRUE, the relocs entry may not be freed.  */
188
  bfd_boolean keep_relocs;
189
  /* The section contents.  This may be NULL.  */
190
  bfd_byte *contents;
191
  /* If this is TRUE, the contents entry may not be freed.  */
192
  bfd_boolean keep_contents;
193
  /* Information cached by coff_find_nearest_line.  */
194
  bfd_vma offset;
195
  unsigned int i;
196
  const char *function;
197
  /* Optional information about a COMDAT entry; NULL if not COMDAT. */
198
  struct coff_comdat_info *comdat;
199
  int line_base;
200
  /* A pointer used for .stab linking optimizations.  */
201
  void * stab_info;
202
  /* Available for individual backends.  */
203
  void * tdata;
204
};
205
 
206
/* An accessor macro for the coff_section_tdata structure.  */
207
#define coff_section_data(abfd, sec) \
208
  ((struct coff_section_tdata *) (sec)->used_by_bfd)
209
 
210
/* Tdata for sections in XCOFF files.  This is used by the linker.  */
211
 
212
struct xcoff_section_tdata
213
{
214
  /* Used for XCOFF csects created by the linker; points to the real
215
     XCOFF section which contains this csect.  */
216
  asection *enclosing;
217
  /* The lineno_count field for the enclosing section, because we are
218
     going to clobber it there.  */
219
  unsigned int lineno_count;
220
  /* The first and last symbol indices for symbols used by this csect.  */
221
  unsigned long first_symndx;
222
  unsigned long last_symndx;
223
};
224
 
225
/* An accessor macro the xcoff_section_tdata structure.  */
226
#define xcoff_section_data(abfd, sec) \
227
  ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
228
 
229
/* Tdata for sections in PE files.  */
230
 
231
struct pei_section_tdata
232
{
233
  /* The virtual size of the section.  */
234
  bfd_size_type virt_size;
235
  /* The PE section flags.  */
236
  long pe_flags;
237
};
238
 
239
/* An accessor macro for the pei_section_tdata structure.  */
240
#define pei_section_data(abfd, sec) \
241
  ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
242
 
243
/* COFF linker hash table entries.  */
244
 
245
struct coff_link_hash_entry
246
{
247
  struct bfd_link_hash_entry root;
248
 
249
  /* Symbol index in output file.  Set to -1 initially.  Set to -2 if
250
     there is a reloc against this symbol.  */
251
  long indx;
252
 
253
  /* Symbol type.  */
254
  unsigned short type;
255
 
256
  /* Symbol class.  */
257
  unsigned char symbol_class;
258
 
259
  /* Number of auxiliary entries.  */
260
  char numaux;
261
 
262
  /* BFD to take auxiliary entries from.  */
263
  bfd *auxbfd;
264
 
265
  /* Pointer to array of auxiliary entries, if any.  */
266
  union internal_auxent *aux;
267
 
268
  /* Flag word; legal values follow.  */
269
  unsigned short coff_link_hash_flags;
270
  /* Symbol is a PE section symbol.  */
271
#define COFF_LINK_HASH_PE_SECTION_SYMBOL (01)
272
};
273
 
274
/* COFF linker hash table.  */
275
 
276
struct coff_link_hash_table
277
{
278
  struct bfd_link_hash_table root;
279
  /* A pointer to information used to link stabs in sections.  */
280
  struct stab_info stab_info;
281
};
282
 
283
/* Look up an entry in a COFF linker hash table.  */
284
 
285
#define coff_link_hash_lookup(table, string, create, copy, follow)      \
286
  ((struct coff_link_hash_entry *)                                      \
287
   bfd_link_hash_lookup (&(table)->root, (string), (create),            \
288
                         (copy), (follow)))
289
 
290
/* Traverse a COFF linker hash table.  */
291
 
292
#define coff_link_hash_traverse(table, func, info)                      \
293
  (bfd_link_hash_traverse                                               \
294
   (&(table)->root,                                                     \
295
    (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \
296
    (info)))
297
 
298
/* Get the COFF linker hash table from a link_info structure.  */
299
 
300
#define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash))
301
 
302
/* Functions in coffgen.c.  */
303
extern const bfd_target *coff_object_p
304
  (bfd *);
305
extern struct bfd_section *coff_section_from_bfd_index
306
  (bfd *, int);
307
extern long coff_get_symtab_upper_bound
308
  (bfd *);
309
extern long coff_canonicalize_symtab
310
  (bfd *, asymbol **);
311
extern int coff_count_linenumbers
312
  (bfd *);
313
extern struct coff_symbol_struct *coff_symbol_from
314
  (bfd *, asymbol *);
315
extern bfd_boolean coff_renumber_symbols
316
  (bfd *, int *);
317
extern void coff_mangle_symbols
318
  (bfd *);
319
extern bfd_boolean coff_write_symbols
320
  (bfd *);
321 163 khays
extern bfd_boolean coff_write_alien_symbol
322
  (bfd *, asymbol *, struct internal_syment *, bfd_vma *,
323
   bfd_size_type *, asection **, bfd_size_type *);
324 14 khays
extern bfd_boolean coff_write_linenumbers
325
  (bfd *);
326
extern alent *coff_get_lineno
327
  (bfd *, asymbol *);
328
extern asymbol *coff_section_symbol
329
  (bfd *, char *);
330
extern bfd_boolean _bfd_coff_get_external_symbols
331
  (bfd *);
332
extern const char *_bfd_coff_read_string_table
333
  (bfd *);
334
extern bfd_boolean _bfd_coff_free_symbols
335
  (bfd *);
336
extern struct coff_ptr_struct *coff_get_normalized_symtab
337
  (bfd *);
338
extern long coff_get_reloc_upper_bound
339
  (bfd *, sec_ptr);
340
extern asymbol *coff_make_empty_symbol
341
  (bfd *);
342
extern void coff_print_symbol
343
  (bfd *, void * filep, asymbol *, bfd_print_symbol_type);
344
extern void coff_get_symbol_info
345
  (bfd *, asymbol *, symbol_info *ret);
346
extern bfd_boolean _bfd_coff_is_local_label_name
347
  (bfd *, const char *);
348
extern asymbol *coff_bfd_make_debug_symbol
349
  (bfd *, void *, unsigned long);
350
extern bfd_boolean coff_find_nearest_line
351
  (bfd *, asection *, asymbol **, bfd_vma, const char **,
352
   const char **, unsigned int *);
353 163 khays
struct dwarf_debug_section;
354
extern bfd_boolean coff_find_nearest_line_with_names
355
  (bfd *, const struct dwarf_debug_section *, asection *, asymbol **,
356
   bfd_vma, const char **, const char **, unsigned int *);
357 14 khays
extern bfd_boolean coff_find_inliner_info
358
  (bfd *, const char **, const char **, unsigned int *);
359
extern int coff_sizeof_headers
360
  (bfd *, struct bfd_link_info *);
361
extern bfd_boolean bfd_coff_reloc16_relax_section
362
  (bfd *, asection *, struct bfd_link_info *, bfd_boolean *);
363
extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents
364
  (bfd *, struct bfd_link_info *, struct bfd_link_order *,
365
   bfd_byte *, bfd_boolean, asymbol **);
366
extern bfd_vma bfd_coff_reloc16_get_value
367
  (arelent *, struct bfd_link_info *, asection *);
368
extern void bfd_perform_slip
369
  (bfd *, unsigned int, asection *, bfd_vma);
370
 
371
/* Functions and types in cofflink.c.  */
372
 
373
#define STRING_SIZE_SIZE 4
374
 
375
/* We use a hash table to merge identical enum, struct, and union
376
   definitions in the linker.  */
377
 
378
/* Information we keep for a single element (an enum value, a
379
   structure or union field) in the debug merge hash table.  */
380
 
381
struct coff_debug_merge_element
382
{
383
  /* Next element.  */
384
  struct coff_debug_merge_element *next;
385
 
386
  /* Name.  */
387
  const char *name;
388
 
389
  /* Type.  */
390
  unsigned int type;
391
 
392
  /* Symbol index for complex type.  */
393
  long tagndx;
394
};
395
 
396
/* A linked list of debug merge entries for a given name.  */
397
 
398
struct coff_debug_merge_type
399
{
400
  /* Next type with the same name.  */
401
  struct coff_debug_merge_type *next;
402
 
403
  /* Class of type.  */
404
  int type_class;
405
 
406
  /* Symbol index where this type is defined.  */
407
  long indx;
408
 
409
  /* List of elements.  */
410
  struct coff_debug_merge_element *elements;
411
};
412
 
413
/* Information we store in the debug merge hash table.  */
414
 
415
struct coff_debug_merge_hash_entry
416
{
417
  struct bfd_hash_entry root;
418
 
419
  /* A list of types with this name.  */
420
  struct coff_debug_merge_type *types;
421
};
422
 
423
/* The debug merge hash table.  */
424
 
425
struct coff_debug_merge_hash_table
426
{
427
  struct bfd_hash_table root;
428
};
429
 
430
/* Initialize a COFF debug merge hash table.  */
431
 
432
#define coff_debug_merge_hash_table_init(table) \
433
  (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \
434
                        sizeof (struct coff_debug_merge_hash_entry)))
435
 
436
/* Free a COFF debug merge hash table.  */
437
 
438
#define coff_debug_merge_hash_table_free(table) \
439
  (bfd_hash_table_free (&(table)->root))
440
 
441
/* Look up an entry in a COFF debug merge hash table.  */
442
 
443
#define coff_debug_merge_hash_lookup(table, string, create, copy) \
444
  ((struct coff_debug_merge_hash_entry *) \
445
   bfd_hash_lookup (&(table)->root, (string), (create), (copy)))
446
 
447
/* Information we keep for each section in the output file when doing
448
   a relocatable link.  */
449
 
450
struct coff_link_section_info
451
{
452
  /* The relocs to be output.  */
453
  struct internal_reloc *relocs;
454
  /* For each reloc against a global symbol whose index was not known
455
     when the reloc was handled, the global hash table entry.  */
456
  struct coff_link_hash_entry **rel_hashes;
457
};
458
 
459
/* Information that we pass around while doing the final link step.  */
460
 
461
struct coff_final_link_info
462
{
463
  /* General link information.  */
464
  struct bfd_link_info *info;
465
  /* Output BFD.  */
466
  bfd *output_bfd;
467
  /* Used to indicate failure in traversal routine.  */
468
  bfd_boolean failed;
469
  /* If doing "task linking" set only during the time when we want the
470
     global symbol writer to convert the storage class of defined global
471
     symbols from global to static. */
472
  bfd_boolean global_to_static;
473
  /* Hash table for long symbol names.  */
474
  struct bfd_strtab_hash *strtab;
475
  /* When doing a relocatable link, an array of information kept for
476
     each output section, indexed by the target_index field.  */
477
  struct coff_link_section_info *section_info;
478
  /* Symbol index of last C_FILE symbol (-1 if none).  */
479
  long last_file_index;
480
  /* Contents of last C_FILE symbol.  */
481
  struct internal_syment last_file;
482
  /* Symbol index of first aux entry of last .bf symbol with an empty
483
     endndx field (-1 if none).  */
484
  long last_bf_index;
485
  /* Contents of last_bf_index aux entry.  */
486
  union internal_auxent last_bf;
487
  /* Hash table used to merge debug information.  */
488
  struct coff_debug_merge_hash_table debug_merge;
489
  /* Buffer large enough to hold swapped symbols of any input file.  */
490
  struct internal_syment *internal_syms;
491
  /* Buffer large enough to hold sections of symbols of any input file.  */
492
  asection **sec_ptrs;
493
  /* Buffer large enough to hold output indices of symbols of any
494
     input file.  */
495
  long *sym_indices;
496
  /* Buffer large enough to hold output symbols for any input file.  */
497
  bfd_byte *outsyms;
498
  /* Buffer large enough to hold external line numbers for any input
499
     section.  */
500
  bfd_byte *linenos;
501
  /* Buffer large enough to hold any input section.  */
502
  bfd_byte *contents;
503
  /* Buffer large enough to hold external relocs of any input section.  */
504
  bfd_byte *external_relocs;
505
  /* Buffer large enough to hold swapped relocs of any input section.  */
506
  struct internal_reloc *internal_relocs;
507
};
508
 
509
/* Most COFF variants have no way to record the alignment of a
510
   section.  This struct is used to set a specific alignment based on
511
   the name of the section.  */
512
 
513
struct coff_section_alignment_entry
514
{
515
  /* The section name.  */
516
  const char *name;
517
 
518
  /* This is either (unsigned int) -1, indicating that the section
519
     name must match exactly, or it is the number of letters which
520
     must match at the start of the name.  */
521
  unsigned int comparison_length;
522
 
523
  /* These macros may be used to fill in the first two fields in a
524
     structure initialization.  */
525
#define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1)
526
#define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1)
527
 
528
  /* Only use this entry if the default section alignment for this
529
     target is at least that much (as a power of two).  If this field
530
     is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored.  */
531
  unsigned int default_alignment_min;
532
 
533
  /* Only use this entry if the default section alignment for this
534
     target is no greater than this (as a power of two).  If this
535
     field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored.  */
536
  unsigned int default_alignment_max;
537
 
538
#define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1)
539
 
540
  /* The desired alignment for this section (as a power of two).  */
541
  unsigned int alignment_power;
542
};
543
 
544
extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc
545
  (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
546
extern bfd_boolean _bfd_coff_link_hash_table_init
547
  (struct coff_link_hash_table *, bfd *,
548
   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
549
                               struct bfd_hash_table *,
550
                               const char *),
551
   unsigned int);
552
extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create
553
  (bfd *);
554
extern const char *_bfd_coff_internal_syment_name
555
  (bfd *, const struct internal_syment *, char *);
556 161 khays
extern bfd_boolean _bfd_coff_section_already_linked
557
  (bfd *, asection *, struct bfd_link_info *);
558 14 khays
extern bfd_boolean _bfd_coff_link_add_symbols
559
  (bfd *, struct bfd_link_info *);
560
extern bfd_boolean _bfd_coff_final_link
561
  (bfd *, struct bfd_link_info *);
562
extern struct internal_reloc *_bfd_coff_read_internal_relocs
563
  (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean,
564
   struct internal_reloc *);
565
extern bfd_boolean _bfd_coff_generic_relocate_section
566
  (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
567
   struct internal_reloc *, struct internal_syment *, asection **);
568
extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc
569
  (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
570
extern bfd_boolean _bfd_coff_write_global_sym
571 148 khays
  (struct bfd_hash_entry *, void *);
572 14 khays
extern bfd_boolean _bfd_coff_write_task_globals
573
  (struct coff_link_hash_entry *, void *);
574
extern bfd_boolean _bfd_coff_link_input_bfd
575
  (struct coff_final_link_info *, bfd *);
576
extern bfd_boolean _bfd_coff_reloc_link_order
577
  (bfd *, struct coff_final_link_info *, asection *,
578
   struct bfd_link_order *);
579
 
580
 
581
#define coff_get_section_contents_in_window \
582
  _bfd_generic_get_section_contents_in_window
583
 
584
/* Functions in xcofflink.c.  */
585
 
586
extern long _bfd_xcoff_get_dynamic_symtab_upper_bound
587
  (bfd *);
588
extern long _bfd_xcoff_canonicalize_dynamic_symtab
589
  (bfd *, asymbol **);
590
extern long _bfd_xcoff_get_dynamic_reloc_upper_bound
591
  (bfd *);
592
extern long _bfd_xcoff_canonicalize_dynamic_reloc
593
  (bfd *, arelent **, asymbol **);
594
extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create
595
  (bfd *);
596
extern void _bfd_xcoff_bfd_link_hash_table_free
597
  (struct bfd_link_hash_table *);
598
extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols
599
  (bfd *, struct bfd_link_info *);
600
extern bfd_boolean _bfd_xcoff_bfd_final_link
601
  (bfd *, struct bfd_link_info *);
602
extern bfd_boolean _bfd_xcoff_define_common_symbol
603
  (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *);
604
extern bfd_boolean _bfd_ppc_xcoff_relocate_section
605
  (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
606
   struct internal_reloc *, struct internal_syment *, asection **);
607
 
608
/* Functions in coff-ppc.c.  FIXME: These are called by pe.em in the
609
   linker, and so should start with bfd and be declared in bfd.h.  */
610
 
611
extern bfd_boolean ppc_allocate_toc_section
612
  (struct bfd_link_info *);
613
extern bfd_boolean ppc_process_before_allocation
614
  (bfd *, struct bfd_link_info *);

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