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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [bfd/] [libcoff.h] - Blame information for rev 225

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

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