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[/] [openrisc/] [trunk/] [gnu-stable/] [gdb-7.2/] [bfd/] [libcoff.h] - Blame information for rev 841

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1 330 jeremybenn
/* DO NOT EDIT!  -*- buffer-read-only: t -*-  This file is automatically
2
   generated from "libcoff-in.h" and "coffcode.h".
3
   Run "make headers" in your build bfd/ to regenerate.  */
4
 
5
/* BFD COFF object file private structure.
6
   Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
7
   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
8
   Free Software Foundation, Inc.
9
   Written by Cygnus Support.
10
 
11
   This file is part of BFD, the Binary File Descriptor library.
12
 
13
   This program is free software; you can redistribute it and/or modify
14
   it under the terms of the GNU General Public License as published by
15
   the Free Software Foundation; either version 3 of the License, or
16
   (at your option) any later version.
17
 
18
   This program is distributed in the hope that it will be useful,
19
   but WITHOUT ANY WARRANTY; without even the implied warranty of
20
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21
   GNU General Public License for more details.
22
 
23
   You should have received a copy of the GNU General Public License
24
   along with this program; if not, write to the Free Software
25
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
26
   MA 02110-1301, USA.  */
27
 
28
#include "bfdlink.h"
29
 
30
/* Object file tdata; access macros.  */
31
 
32
#define coff_data(bfd)                ((bfd)->tdata.coff_obj_data)
33
#define exec_hdr(bfd)                 (coff_data (bfd)->hdr)
34
#define obj_pe(bfd)                   (coff_data (bfd)->pe)
35
#define obj_symbols(bfd)              (coff_data (bfd)->symbols)
36
#define obj_sym_filepos(bfd)          (coff_data (bfd)->sym_filepos)
37
#define obj_relocbase(bfd)            (coff_data (bfd)->relocbase)
38
#define obj_raw_syments(bfd)          (coff_data (bfd)->raw_syments)
39
#define obj_raw_syment_count(bfd)     (coff_data (bfd)->raw_syment_count)
40
#define obj_convert(bfd)              (coff_data (bfd)->conversion_table)
41
#define obj_conv_table_size(bfd)      (coff_data (bfd)->conv_table_size)
42
#define obj_coff_external_syms(bfd)   (coff_data (bfd)->external_syms)
43
#define obj_coff_keep_syms(bfd)       (coff_data (bfd)->keep_syms)
44
#define obj_coff_strings(bfd)         (coff_data (bfd)->strings)
45
#define obj_coff_keep_strings(bfd)    (coff_data (bfd)->keep_strings)
46
#define obj_coff_sym_hashes(bfd)      (coff_data (bfd)->sym_hashes)
47
#define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written)
48
#define obj_coff_local_toc_table(bfd) (coff_data (bfd)->local_toc_sym_map)
49
 
50
/* `Tdata' information kept for COFF files.  */
51
 
52
typedef struct coff_tdata
53
{
54
  struct coff_symbol_struct *symbols;   /* Symtab for input bfd.  */
55
  unsigned int *conversion_table;
56
  int conv_table_size;
57
  file_ptr sym_filepos;
58
 
59
  struct coff_ptr_struct *raw_syments;
60
  unsigned long raw_syment_count;
61
 
62
  /* These are only valid once writing has begun.  */
63
  long int relocbase;
64
 
65
  /* These members communicate important constants about the symbol table
66
     to GDB's symbol-reading code.  These `constants' unfortunately vary
67
     from coff implementation to implementation...  */
68
  unsigned local_n_btmask;
69
  unsigned local_n_btshft;
70
  unsigned local_n_tmask;
71
  unsigned local_n_tshift;
72
  unsigned local_symesz;
73
  unsigned local_auxesz;
74
  unsigned local_linesz;
75
 
76
  /* The unswapped external symbols.  May be NULL.  Read by
77
     _bfd_coff_get_external_symbols.  */
78
  void * external_syms;
79
  /* If this is TRUE, the external_syms may not be freed.  */
80
  bfd_boolean keep_syms;
81
 
82
  /* The string table.  May be NULL.  Read by
83
     _bfd_coff_read_string_table.  */
84
  char *strings;
85
  /* If this is TRUE, the strings may not be freed.  */
86
  bfd_boolean keep_strings;
87
  /* If this is TRUE, the strings have been written out already.  */
88
  bfd_boolean strings_written;
89
 
90
  /* Is this a PE format coff file?  */
91
  int pe;
92
  /* Used by the COFF backend linker.  */
93
  struct coff_link_hash_entry **sym_hashes;
94
 
95
  /* Used by the pe linker for PowerPC.  */
96
  int *local_toc_sym_map;
97
 
98
  struct bfd_link_info *link_info;
99
 
100
  /* Used by coff_find_nearest_line.  */
101
  void * line_info;
102
 
103
  /* A place to stash dwarf2 info for this bfd.  */
104
  void * dwarf2_find_line_info;
105
 
106
  /* The timestamp from the COFF file header.  */
107
  long timestamp;
108
 
109
  /* Copy of some of the f_flags bits in the COFF filehdr structure,
110
     used by ARM code.  */
111
  flagword flags;
112
 
113
  /* coff-stgo32 EXE stub header after BFD tdata has been allocated.  Its data
114
     is kept in internal_filehdr.go32stub beforehand.  */
115
  char *go32stub;
116
} coff_data_type;
117
 
118
/* Tdata for pe image files.  */
119
typedef struct pe_tdata
120
{
121
  coff_data_type coff;
122
  struct internal_extra_pe_aouthdr pe_opthdr;
123
  int dll;
124
  int has_reloc_section;
125
  int dont_strip_reloc;
126
  bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *);
127
  flagword real_flags;
128
} pe_data_type;
129
 
130
#define pe_data(bfd)            ((bfd)->tdata.pe_obj_data)
131
 
132
/* Tdata for XCOFF files.  */
133
 
134
struct xcoff_tdata
135
{
136
  /* Basic COFF information.  */
137
  coff_data_type coff;
138
 
139
  /* TRUE if this is an XCOFF64 file. */
140
  bfd_boolean xcoff64;
141
 
142
  /* TRUE if a large a.out header should be generated.  */
143
  bfd_boolean full_aouthdr;
144
 
145
  /* TOC value.  */
146
  bfd_vma toc;
147
 
148
  /* Index of section holding TOC.  */
149
  int sntoc;
150
 
151
  /* Index of section holding entry point.  */
152
  int snentry;
153
 
154
  /* .text alignment from optional header.  */
155
  int text_align_power;
156
 
157
  /* .data alignment from optional header.  */
158
  int data_align_power;
159
 
160
  /* modtype from optional header.  */
161
  short modtype;
162
 
163
  /* cputype from optional header.  */
164
  short cputype;
165
 
166
  /* maxdata from optional header.  */
167
  bfd_vma maxdata;
168
 
169
  /* maxstack from optional header.  */
170
  bfd_vma maxstack;
171
 
172
  /* Used by the XCOFF backend linker.  */
173
  asection **csects;
174
  long *debug_indices;
175
  unsigned int *lineno_counts;
176
  unsigned int import_file_id;
177
};
178
 
179
#define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data)
180
 
181
/* We take the address of the first element of an asymbol to ensure that the
182
   macro is only ever applied to an asymbol.  */
183
#define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
184
 
185
/* The used_by_bfd field of a section may be set to a pointer to this
186
   structure.  */
187
 
188
struct coff_section_tdata
189
{
190
  /* The relocs, swapped into COFF internal form.  This may be NULL.  */
191
  struct internal_reloc *relocs;
192
  /* If this is TRUE, the relocs entry may not be freed.  */
193
  bfd_boolean keep_relocs;
194
  /* The section contents.  This may be NULL.  */
195
  bfd_byte *contents;
196
  /* If this is TRUE, the contents entry may not be freed.  */
197
  bfd_boolean keep_contents;
198
  /* Information cached by coff_find_nearest_line.  */
199
  bfd_vma offset;
200
  unsigned int i;
201
  const char *function;
202
  /* Optional information about a COMDAT entry; NULL if not COMDAT. */
203
  struct coff_comdat_info *comdat;
204
  int line_base;
205
  /* A pointer used for .stab linking optimizations.  */
206
  void * stab_info;
207
  /* Available for individual backends.  */
208
  void * tdata;
209
};
210
 
211
/* An accessor macro for the coff_section_tdata structure.  */
212
#define coff_section_data(abfd, sec) \
213
  ((struct coff_section_tdata *) (sec)->used_by_bfd)
214
 
215
/* Tdata for sections in XCOFF files.  This is used by the linker.  */
216
 
217
struct xcoff_section_tdata
218
{
219
  /* Used for XCOFF csects created by the linker; points to the real
220
     XCOFF section which contains this csect.  */
221
  asection *enclosing;
222
  /* The lineno_count field for the enclosing section, because we are
223
     going to clobber it there.  */
224
  unsigned int lineno_count;
225
  /* The first and last symbol indices for symbols used by this csect.  */
226
  unsigned long first_symndx;
227
  unsigned long last_symndx;
228
};
229
 
230
/* An accessor macro the xcoff_section_tdata structure.  */
231
#define xcoff_section_data(abfd, sec) \
232
  ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
233
 
234
/* Tdata for sections in PE files.  */
235
 
236
struct pei_section_tdata
237
{
238
  /* The virtual size of the section.  */
239
  bfd_size_type virt_size;
240
  /* The PE section flags.  */
241
  long pe_flags;
242
};
243
 
244
/* An accessor macro for the pei_section_tdata structure.  */
245
#define pei_section_data(abfd, sec) \
246
  ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
247
 
248
/* COFF linker hash table entries.  */
249
 
250
struct coff_link_hash_entry
251
{
252
  struct bfd_link_hash_entry root;
253
 
254
  /* Symbol index in output file.  Set to -1 initially.  Set to -2 if
255
     there is a reloc against this symbol.  */
256
  long indx;
257
 
258
  /* Symbol type.  */
259
  unsigned short type;
260
 
261
  /* Symbol class.  */
262
  unsigned char symbol_class;
263
 
264
  /* Number of auxiliary entries.  */
265
  char numaux;
266
 
267
  /* BFD to take auxiliary entries from.  */
268
  bfd *auxbfd;
269
 
270
  /* Pointer to array of auxiliary entries, if any.  */
271
  union internal_auxent *aux;
272
 
273
  /* Flag word; legal values follow.  */
274
  unsigned short coff_link_hash_flags;
275
  /* Symbol is a PE section symbol.  */
276
#define COFF_LINK_HASH_PE_SECTION_SYMBOL (01)
277
};
278
 
279
/* COFF linker hash table.  */
280
 
281
struct coff_link_hash_table
282
{
283
  struct bfd_link_hash_table root;
284
  /* A pointer to information used to link stabs in sections.  */
285
  struct stab_info stab_info;
286
};
287
 
288
/* Look up an entry in a COFF linker hash table.  */
289
 
290
#define coff_link_hash_lookup(table, string, create, copy, follow)      \
291
  ((struct coff_link_hash_entry *)                                      \
292
   bfd_link_hash_lookup (&(table)->root, (string), (create),            \
293
                         (copy), (follow)))
294
 
295
/* Traverse a COFF linker hash table.  */
296
 
297
#define coff_link_hash_traverse(table, func, info)                      \
298
  (bfd_link_hash_traverse                                               \
299
   (&(table)->root,                                                     \
300
    (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \
301
    (info)))
302
 
303
/* Get the COFF linker hash table from a link_info structure.  */
304
 
305
#define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash))
306
 
307
/* Functions in coffgen.c.  */
308
extern const bfd_target *coff_object_p
309
  (bfd *);
310
extern struct bfd_section *coff_section_from_bfd_index
311
  (bfd *, int);
312
extern long coff_get_symtab_upper_bound
313
  (bfd *);
314
extern long coff_canonicalize_symtab
315
  (bfd *, asymbol **);
316
extern int coff_count_linenumbers
317
  (bfd *);
318
extern struct coff_symbol_struct *coff_symbol_from
319
  (bfd *, asymbol *);
320
extern bfd_boolean coff_renumber_symbols
321
  (bfd *, int *);
322
extern void coff_mangle_symbols
323
  (bfd *);
324
extern bfd_boolean coff_write_symbols
325
  (bfd *);
326
extern bfd_boolean coff_write_linenumbers
327
  (bfd *);
328
extern alent *coff_get_lineno
329
  (bfd *, asymbol *);
330
extern asymbol *coff_section_symbol
331
  (bfd *, char *);
332
extern bfd_boolean _bfd_coff_get_external_symbols
333
  (bfd *);
334
extern const char *_bfd_coff_read_string_table
335
  (bfd *);
336
extern bfd_boolean _bfd_coff_free_symbols
337
  (bfd *);
338
extern struct coff_ptr_struct *coff_get_normalized_symtab
339
  (bfd *);
340
extern long coff_get_reloc_upper_bound
341
  (bfd *, sec_ptr);
342
extern asymbol *coff_make_empty_symbol
343
  (bfd *);
344
extern void coff_print_symbol
345
  (bfd *, void * filep, asymbol *, bfd_print_symbol_type);
346
extern void coff_get_symbol_info
347
  (bfd *, asymbol *, symbol_info *ret);
348
extern bfd_boolean _bfd_coff_is_local_label_name
349
  (bfd *, const char *);
350
extern asymbol *coff_bfd_make_debug_symbol
351
  (bfd *, void *, unsigned long);
352
extern bfd_boolean coff_find_nearest_line
353
  (bfd *, asection *, asymbol **, bfd_vma, const char **,
354
   const char **, unsigned int *);
355
extern bfd_boolean coff_find_inliner_info
356
  (bfd *, const char **, const char **, unsigned int *);
357
extern int coff_sizeof_headers
358
  (bfd *, struct bfd_link_info *);
359
extern bfd_boolean bfd_coff_reloc16_relax_section
360
  (bfd *, asection *, struct bfd_link_info *, bfd_boolean *);
361
extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents
362
  (bfd *, struct bfd_link_info *, struct bfd_link_order *,
363
   bfd_byte *, bfd_boolean, asymbol **);
364
extern bfd_vma bfd_coff_reloc16_get_value
365
  (arelent *, struct bfd_link_info *, asection *);
366
extern void bfd_perform_slip
367
  (bfd *, unsigned int, asection *, bfd_vma);
368
 
369
/* Functions and types in cofflink.c.  */
370
 
371
#define STRING_SIZE_SIZE 4
372
 
373
/* We use a hash table to merge identical enum, struct, and union
374
   definitions in the linker.  */
375
 
376
/* Information we keep for a single element (an enum value, a
377
   structure or union field) in the debug merge hash table.  */
378
 
379
struct coff_debug_merge_element
380
{
381
  /* Next element.  */
382
  struct coff_debug_merge_element *next;
383
 
384
  /* Name.  */
385
  const char *name;
386
 
387
  /* Type.  */
388
  unsigned int type;
389
 
390
  /* Symbol index for complex type.  */
391
  long tagndx;
392
};
393
 
394
/* A linked list of debug merge entries for a given name.  */
395
 
396
struct coff_debug_merge_type
397
{
398
  /* Next type with the same name.  */
399
  struct coff_debug_merge_type *next;
400
 
401
  /* Class of type.  */
402
  int type_class;
403
 
404
  /* Symbol index where this type is defined.  */
405
  long indx;
406
 
407
  /* List of elements.  */
408
  struct coff_debug_merge_element *elements;
409
};
410
 
411
/* Information we store in the debug merge hash table.  */
412
 
413
struct coff_debug_merge_hash_entry
414
{
415
  struct bfd_hash_entry root;
416
 
417
  /* A list of types with this name.  */
418
  struct coff_debug_merge_type *types;
419
};
420
 
421
/* The debug merge hash table.  */
422
 
423
struct coff_debug_merge_hash_table
424
{
425
  struct bfd_hash_table root;
426
};
427
 
428
/* Initialize a COFF debug merge hash table.  */
429
 
430
#define coff_debug_merge_hash_table_init(table) \
431
  (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \
432
                        sizeof (struct coff_debug_merge_hash_entry)))
433
 
434
/* Free a COFF debug merge hash table.  */
435
 
436
#define coff_debug_merge_hash_table_free(table) \
437
  (bfd_hash_table_free (&(table)->root))
438
 
439
/* Look up an entry in a COFF debug merge hash table.  */
440
 
441
#define coff_debug_merge_hash_lookup(table, string, create, copy) \
442
  ((struct coff_debug_merge_hash_entry *) \
443
   bfd_hash_lookup (&(table)->root, (string), (create), (copy)))
444
 
445
/* Information we keep for each section in the output file when doing
446
   a relocatable link.  */
447
 
448
struct coff_link_section_info
449
{
450
  /* The relocs to be output.  */
451
  struct internal_reloc *relocs;
452
  /* For each reloc against a global symbol whose index was not known
453
     when the reloc was handled, the global hash table entry.  */
454
  struct coff_link_hash_entry **rel_hashes;
455
};
456
 
457
/* Information that we pass around while doing the final link step.  */
458
 
459
struct coff_final_link_info
460
{
461
  /* General link information.  */
462
  struct bfd_link_info *info;
463
  /* Output BFD.  */
464
  bfd *output_bfd;
465
  /* Used to indicate failure in traversal routine.  */
466
  bfd_boolean failed;
467
  /* If doing "task linking" set only during the time when we want the
468
     global symbol writer to convert the storage class of defined global
469
     symbols from global to static. */
470
  bfd_boolean global_to_static;
471
  /* Hash table for long symbol names.  */
472
  struct bfd_strtab_hash *strtab;
473
  /* When doing a relocatable link, an array of information kept for
474
     each output section, indexed by the target_index field.  */
475
  struct coff_link_section_info *section_info;
476
  /* Symbol index of last C_FILE symbol (-1 if none).  */
477
  long last_file_index;
478
  /* Contents of last C_FILE symbol.  */
479
  struct internal_syment last_file;
480
  /* Symbol index of first aux entry of last .bf symbol with an empty
481
     endndx field (-1 if none).  */
482
  long last_bf_index;
483
  /* Contents of last_bf_index aux entry.  */
484
  union internal_auxent last_bf;
485
  /* Hash table used to merge debug information.  */
486
  struct coff_debug_merge_hash_table debug_merge;
487
  /* Buffer large enough to hold swapped symbols of any input file.  */
488
  struct internal_syment *internal_syms;
489
  /* Buffer large enough to hold sections of symbols of any input file.  */
490
  asection **sec_ptrs;
491
  /* Buffer large enough to hold output indices of symbols of any
492
     input file.  */
493
  long *sym_indices;
494
  /* Buffer large enough to hold output symbols for any input file.  */
495
  bfd_byte *outsyms;
496
  /* Buffer large enough to hold external line numbers for any input
497
     section.  */
498
  bfd_byte *linenos;
499
  /* Buffer large enough to hold any input section.  */
500
  bfd_byte *contents;
501
  /* Buffer large enough to hold external relocs of any input section.  */
502
  bfd_byte *external_relocs;
503
  /* Buffer large enough to hold swapped relocs of any input section.  */
504
  struct internal_reloc *internal_relocs;
505
};
506
 
507
/* Most COFF variants have no way to record the alignment of a
508
   section.  This struct is used to set a specific alignment based on
509
   the name of the section.  */
510
 
511
struct coff_section_alignment_entry
512
{
513
  /* The section name.  */
514
  const char *name;
515
 
516
  /* This is either (unsigned int) -1, indicating that the section
517
     name must match exactly, or it is the number of letters which
518
     must match at the start of the name.  */
519
  unsigned int comparison_length;
520
 
521
  /* These macros may be used to fill in the first two fields in a
522
     structure initialization.  */
523
#define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1)
524
#define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1)
525
 
526
  /* Only use this entry if the default section alignment for this
527
     target is at least that much (as a power of two).  If this field
528
     is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored.  */
529
  unsigned int default_alignment_min;
530
 
531
  /* Only use this entry if the default section alignment for this
532
     target is no greater than this (as a power of two).  If this
533
     field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored.  */
534
  unsigned int default_alignment_max;
535
 
536
#define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1)
537
 
538
  /* The desired alignment for this section (as a power of two).  */
539
  unsigned int alignment_power;
540
};
541
 
542
extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc
543
  (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
544
extern bfd_boolean _bfd_coff_link_hash_table_init
545
  (struct coff_link_hash_table *, bfd *,
546
   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
547
                               struct bfd_hash_table *,
548
                               const char *),
549
   unsigned int);
550
extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create
551
  (bfd *);
552
extern const char *_bfd_coff_internal_syment_name
553
  (bfd *, const struct internal_syment *, char *);
554
extern bfd_boolean _bfd_coff_link_add_symbols
555
  (bfd *, struct bfd_link_info *);
556
extern bfd_boolean _bfd_coff_final_link
557
  (bfd *, struct bfd_link_info *);
558
extern struct internal_reloc *_bfd_coff_read_internal_relocs
559
  (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean,
560
   struct internal_reloc *);
561
extern bfd_boolean _bfd_coff_generic_relocate_section
562
  (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
563
   struct internal_reloc *, struct internal_syment *, asection **);
564
extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc
565
  (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
566
extern bfd_boolean _bfd_coff_write_global_sym
567
  (struct coff_link_hash_entry *, void *);
568
extern bfd_boolean _bfd_coff_write_task_globals
569
  (struct coff_link_hash_entry *, void *);
570
extern bfd_boolean _bfd_coff_link_input_bfd
571
  (struct coff_final_link_info *, bfd *);
572
extern bfd_boolean _bfd_coff_reloc_link_order
573
  (bfd *, struct coff_final_link_info *, asection *,
574
   struct bfd_link_order *);
575
 
576
 
577
#define coff_get_section_contents_in_window \
578
  _bfd_generic_get_section_contents_in_window
579
 
580
/* Functions in xcofflink.c.  */
581
 
582
extern long _bfd_xcoff_get_dynamic_symtab_upper_bound
583
  (bfd *);
584
extern long _bfd_xcoff_canonicalize_dynamic_symtab
585
  (bfd *, asymbol **);
586
extern long _bfd_xcoff_get_dynamic_reloc_upper_bound
587
  (bfd *);
588
extern long _bfd_xcoff_canonicalize_dynamic_reloc
589
  (bfd *, arelent **, asymbol **);
590
extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create
591
  (bfd *);
592
extern void _bfd_xcoff_bfd_link_hash_table_free
593
  (struct bfd_link_hash_table *);
594
extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols
595
  (bfd *, struct bfd_link_info *);
596
extern bfd_boolean _bfd_xcoff_bfd_final_link
597
  (bfd *, struct bfd_link_info *);
598
extern bfd_boolean _bfd_xcoff_define_common_symbol
599
  (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *);
600
extern bfd_boolean _bfd_ppc_xcoff_relocate_section
601
  (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
602
   struct internal_reloc *, struct internal_syment *, asection **);
603
 
604
/* Functions in coff-ppc.c.  FIXME: These are called by pe.em in the
605
   linker, and so should start with bfd and be declared in bfd.h.  */
606
 
607
extern bfd_boolean ppc_allocate_toc_section
608
  (struct bfd_link_info *);
609
extern bfd_boolean ppc_process_before_allocation
610
  (bfd *, struct bfd_link_info *);
611
/* Extracted from coffcode.h.  */
612
typedef struct coff_ptr_struct
613
{
614
  /* Remembers the offset from the first symbol in the file for
615
     this symbol. Generated by coff_renumber_symbols. */
616
  unsigned int offset;
617
 
618
  /* Should the value of this symbol be renumbered.  Used for
619
     XCOFF C_BSTAT symbols.  Set by coff_slurp_symbol_table.  */
620
  unsigned int fix_value : 1;
621
 
622
  /* Should the tag field of this symbol be renumbered.
623
     Created by coff_pointerize_aux. */
624
  unsigned int fix_tag : 1;
625
 
626
  /* Should the endidx field of this symbol be renumbered.
627
     Created by coff_pointerize_aux. */
628
  unsigned int fix_end : 1;
629
 
630
  /* Should the x_csect.x_scnlen field be renumbered.
631
     Created by coff_pointerize_aux. */
632
  unsigned int fix_scnlen : 1;
633
 
634
  /* Fix up an XCOFF C_BINCL/C_EINCL symbol.  The value is the
635
     index into the line number entries.  Set by coff_slurp_symbol_table.  */
636
  unsigned int fix_line : 1;
637
 
638
  /* The container for the symbol structure as read and translated
639
     from the file. */
640
  union
641
  {
642
    union internal_auxent auxent;
643
    struct internal_syment syment;
644
  } u;
645
} combined_entry_type;
646
 
647
 
648
/* Each canonical asymbol really looks like this: */
649
 
650
typedef struct coff_symbol_struct
651
{
652
  /* The actual symbol which the rest of BFD works with */
653
  asymbol symbol;
654
 
655
  /* A pointer to the hidden information for this symbol */
656
  combined_entry_type *native;
657
 
658
  /* A pointer to the linenumber information for this symbol */
659
  struct lineno_cache_entry *lineno;
660
 
661
  /* Have the line numbers been relocated yet ? */
662
  bfd_boolean done_lineno;
663
} coff_symbol_type;
664
/* COFF symbol classifications.  */
665
 
666
enum coff_symbol_classification
667
{
668
  /* Global symbol.  */
669
  COFF_SYMBOL_GLOBAL,
670
  /* Common symbol.  */
671
  COFF_SYMBOL_COMMON,
672
  /* Undefined symbol.  */
673
  COFF_SYMBOL_UNDEFINED,
674
  /* Local symbol.  */
675
  COFF_SYMBOL_LOCAL,
676
  /* PE section symbol.  */
677
  COFF_SYMBOL_PE_SECTION
678
};
679
 
680
typedef struct
681
{
682
  void (*_bfd_coff_swap_aux_in)
683
    (bfd *, void *, int, int, int, int, void *);
684
 
685
  void (*_bfd_coff_swap_sym_in)
686
    (bfd *, void *, void *);
687
 
688
  void (*_bfd_coff_swap_lineno_in)
689
    (bfd *, void *, void *);
690
 
691
  unsigned int (*_bfd_coff_swap_aux_out)
692
    (bfd *, void *, int, int, int, int, void *);
693
 
694
  unsigned int (*_bfd_coff_swap_sym_out)
695
    (bfd *, void *, void *);
696
 
697
  unsigned int (*_bfd_coff_swap_lineno_out)
698
    (bfd *, void *, void *);
699
 
700
  unsigned int (*_bfd_coff_swap_reloc_out)
701
    (bfd *, void *, void *);
702
 
703
  unsigned int (*_bfd_coff_swap_filehdr_out)
704
    (bfd *, void *, void *);
705
 
706
  unsigned int (*_bfd_coff_swap_aouthdr_out)
707
    (bfd *, void *, void *);
708
 
709
  unsigned int (*_bfd_coff_swap_scnhdr_out)
710
    (bfd *, void *, void *);
711
 
712
  unsigned int _bfd_filhsz;
713
  unsigned int _bfd_aoutsz;
714
  unsigned int _bfd_scnhsz;
715
  unsigned int _bfd_symesz;
716
  unsigned int _bfd_auxesz;
717
  unsigned int _bfd_relsz;
718
  unsigned int _bfd_linesz;
719
  unsigned int _bfd_filnmlen;
720
  bfd_boolean _bfd_coff_long_filenames;
721
 
722
  bfd_boolean _bfd_coff_long_section_names;
723
  bfd_boolean (*_bfd_coff_set_long_section_names)
724
    (bfd *, int);
725
 
726
  unsigned int _bfd_coff_default_section_alignment_power;
727
  bfd_boolean _bfd_coff_force_symnames_in_strings;
728
  unsigned int _bfd_coff_debug_string_prefix_length;
729
 
730
  void (*_bfd_coff_swap_filehdr_in)
731
    (bfd *, void *, void *);
732
 
733
  void (*_bfd_coff_swap_aouthdr_in)
734
    (bfd *, void *, void *);
735
 
736
  void (*_bfd_coff_swap_scnhdr_in)
737
    (bfd *, void *, void *);
738
 
739
  void (*_bfd_coff_swap_reloc_in)
740
    (bfd *abfd, void *, void *);
741
 
742
  bfd_boolean (*_bfd_coff_bad_format_hook)
743
    (bfd *, void *);
744
 
745
  bfd_boolean (*_bfd_coff_set_arch_mach_hook)
746
    (bfd *, void *);
747
 
748
  void * (*_bfd_coff_mkobject_hook)
749
    (bfd *, void *, void *);
750
 
751
  bfd_boolean (*_bfd_styp_to_sec_flags_hook)
752
    (bfd *, void *, const char *, asection *, flagword *);
753
 
754
  void (*_bfd_set_alignment_hook)
755
    (bfd *, asection *, void *);
756
 
757
  bfd_boolean (*_bfd_coff_slurp_symbol_table)
758
    (bfd *);
759
 
760
  bfd_boolean (*_bfd_coff_symname_in_debug)
761
    (bfd *, struct internal_syment *);
762
 
763
  bfd_boolean (*_bfd_coff_pointerize_aux_hook)
764
    (bfd *, combined_entry_type *, combined_entry_type *,
765
            unsigned int, combined_entry_type *);
766
 
767
  bfd_boolean (*_bfd_coff_print_aux)
768
    (bfd *, FILE *, combined_entry_type *, combined_entry_type *,
769
            combined_entry_type *, unsigned int);
770
 
771
  void (*_bfd_coff_reloc16_extra_cases)
772
    (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *,
773
           bfd_byte *, unsigned int *, unsigned int *);
774
 
775
  int (*_bfd_coff_reloc16_estimate)
776
    (bfd *, asection *, arelent *, unsigned int,
777
            struct bfd_link_info *);
778
 
779
  enum coff_symbol_classification (*_bfd_coff_classify_symbol)
780
    (bfd *, struct internal_syment *);
781
 
782
  bfd_boolean (*_bfd_coff_compute_section_file_positions)
783
    (bfd *);
784
 
785
  bfd_boolean (*_bfd_coff_start_final_link)
786
    (bfd *, struct bfd_link_info *);
787
 
788
  bfd_boolean (*_bfd_coff_relocate_section)
789
    (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
790
            struct internal_reloc *, struct internal_syment *, asection **);
791
 
792
  reloc_howto_type *(*_bfd_coff_rtype_to_howto)
793
    (bfd *, asection *, struct internal_reloc *,
794
            struct coff_link_hash_entry *, struct internal_syment *,
795
            bfd_vma *);
796
 
797
  bfd_boolean (*_bfd_coff_adjust_symndx)
798
    (bfd *, struct bfd_link_info *, bfd *, asection *,
799
            struct internal_reloc *, bfd_boolean *);
800
 
801
  bfd_boolean (*_bfd_coff_link_add_one_symbol)
802
    (struct bfd_link_info *, bfd *, const char *, flagword,
803
            asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean,
804
            struct bfd_link_hash_entry **);
805
 
806
  bfd_boolean (*_bfd_coff_link_output_has_begun)
807
    (bfd *, struct coff_final_link_info *);
808
 
809
  bfd_boolean (*_bfd_coff_final_link_postscript)
810
    (bfd *, struct coff_final_link_info *);
811
 
812
  bfd_boolean (*_bfd_coff_print_pdata)
813
    (bfd *, void *);
814
 
815
} bfd_coff_backend_data;
816
 
817
#define coff_backend_info(abfd) \
818
  ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
819
 
820
#define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \
821
  ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i))
822
 
823
#define bfd_coff_swap_sym_in(a,e,i) \
824
  ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
825
 
826
#define bfd_coff_swap_lineno_in(a,e,i) \
827
  ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
828
 
829
#define bfd_coff_swap_reloc_out(abfd, i, o) \
830
  ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
831
 
832
#define bfd_coff_swap_lineno_out(abfd, i, o) \
833
  ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
834
 
835
#define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \
836
  ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o))
837
 
838
#define bfd_coff_swap_sym_out(abfd, i,o) \
839
  ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
840
 
841
#define bfd_coff_swap_scnhdr_out(abfd, i,o) \
842
  ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
843
 
844
#define bfd_coff_swap_filehdr_out(abfd, i,o) \
845
  ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
846
 
847
#define bfd_coff_swap_aouthdr_out(abfd, i,o) \
848
  ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
849
 
850
#define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
851
#define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
852
#define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
853
#define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
854
#define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
855
#define bfd_coff_relsz(abfd)  (coff_backend_info (abfd)->_bfd_relsz)
856
#define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
857
#define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen)
858
#define bfd_coff_long_filenames(abfd) \
859
  (coff_backend_info (abfd)->_bfd_coff_long_filenames)
860
#define bfd_coff_long_section_names(abfd) \
861
  (coff_backend_info (abfd)->_bfd_coff_long_section_names)
862
#define bfd_coff_set_long_section_names(abfd, enable) \
863
  ((coff_backend_info (abfd)->_bfd_coff_set_long_section_names) (abfd, enable))
864
#define bfd_coff_default_section_alignment_power(abfd) \
865
  (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power)
866
#define bfd_coff_swap_filehdr_in(abfd, i,o) \
867
  ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
868
 
869
#define bfd_coff_swap_aouthdr_in(abfd, i,o) \
870
  ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
871
 
872
#define bfd_coff_swap_scnhdr_in(abfd, i,o) \
873
  ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
874
 
875
#define bfd_coff_swap_reloc_in(abfd, i, o) \
876
  ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o))
877
 
878
#define bfd_coff_bad_format_hook(abfd, filehdr) \
879
  ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
880
 
881
#define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
882
  ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
883
#define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\
884
  ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\
885
   (abfd, filehdr, aouthdr))
886
 
887
#define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\
888
  ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\
889
   (abfd, scnhdr, name, section, flags_ptr))
890
 
891
#define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
892
  ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
893
 
894
#define bfd_coff_slurp_symbol_table(abfd)\
895
  ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
896
 
897
#define bfd_coff_symname_in_debug(abfd, sym)\
898
  ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
899
 
900
#define bfd_coff_force_symnames_in_strings(abfd)\
901
  (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings)
902
 
903
#define bfd_coff_debug_string_prefix_length(abfd)\
904
  (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length)
905
 
906
#define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\
907
  ((coff_backend_info (abfd)->_bfd_coff_print_aux)\
908
   (abfd, file, base, symbol, aux, indaux))
909
 
910
#define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\
911
                                     reloc, data, src_ptr, dst_ptr)\
912
  ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
913
   (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr))
914
 
915
#define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\
916
  ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
917
   (abfd, section, reloc, shrink, link_info))
918
 
919
#define bfd_coff_classify_symbol(abfd, sym)\
920
  ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\
921
   (abfd, sym))
922
 
923
#define bfd_coff_compute_section_file_positions(abfd)\
924
  ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\
925
   (abfd))
926
 
927
#define bfd_coff_start_final_link(obfd, info)\
928
  ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\
929
   (obfd, info))
930
#define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\
931
  ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\
932
   (obfd, info, ibfd, o, con, rel, isyms, secs))
933
#define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\
934
  ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\
935
   (abfd, sec, rel, h, sym, addendp))
936
#define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\
937
  ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\
938
   (obfd, info, ibfd, sec, rel, adjustedp))
939
#define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\
940
                                     value, string, cp, coll, hashp)\
941
  ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\
942
   (info, abfd, name, flags, section, value, string, cp, coll, hashp))
943
 
944
#define bfd_coff_link_output_has_begun(a,p) \
945
  ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a, p))
946
#define bfd_coff_final_link_postscript(a,p) \
947
  ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a, p))
948
 
949
#define bfd_coff_have_print_pdata(a) \
950
  (coff_backend_info (a)->_bfd_coff_print_pdata)
951
#define bfd_coff_print_pdata(a,p) \
952
  ((coff_backend_info (a)->_bfd_coff_print_pdata) (a, p))
953
 
954
/* Macro: Returns true if the bfd is a PE executable as opposed to a
955
   PE object file.  */
956
#define bfd_pei_p(abfd) \
957
  (CONST_STRNEQ ((abfd)->xvec->name, "pei-"))

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