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[/] [or1k/] [trunk/] [insight/] [bfd/] [libcoff.h] - Blame information for rev 578

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1 578 markom
/* BFD COFF object file private structure.
2
   Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
3
   2000, 2001
4
   Free Software Foundation, Inc.
5
   Written by Cygnus Support.
6
 
7
** NOTE: libcoff.h is a GENERATED file.  Don't change it; instead,
8
** change libcoff-in.h or coffcode.h.
9
 
10
This file is part of BFD, the Binary File Descriptor library.
11
 
12
This program is free software; you can redistribute it and/or modify
13
it under the terms of the GNU General Public License as published by
14
the Free Software Foundation; either version 2 of the License, or
15
(at your option) any later version.
16
 
17
This program is distributed in the hope that it will be useful,
18
but WITHOUT ANY WARRANTY; without even the implied warranty of
19
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20
GNU General Public License for more details.
21
 
22
You should have received a copy of the GNU General Public License
23
along with this program; if not, write to the Free Software
24
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
25
 
26
#include "bfdlink.h"
27
 
28
/* Object file tdata; access macros */
29
 
30
#define coff_data(bfd)          ((bfd)->tdata.coff_obj_data)
31
#define exec_hdr(bfd)           (coff_data(bfd)->hdr)
32
#define obj_pe(bfd)             (coff_data(bfd)->pe)
33
#define obj_symbols(bfd)        (coff_data(bfd)->symbols)
34
#define obj_sym_filepos(bfd)    (coff_data(bfd)->sym_filepos)
35
 
36
#define obj_relocbase(bfd)      (coff_data(bfd)->relocbase)
37
#define obj_raw_syments(bfd)    (coff_data(bfd)->raw_syments)
38
#define obj_raw_syment_count(bfd)       (coff_data(bfd)->raw_syment_count)
39
#define obj_convert(bfd)        (coff_data(bfd)->conversion_table)
40
#define obj_conv_table_size(bfd) (coff_data(bfd)->conv_table_size)
41
 
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
 
49
#define obj_coff_local_toc_table(bfd) (coff_data(bfd)->local_toc_sym_map)
50
 
51
/* `Tdata' information kept for COFF files.  */
52
 
53
typedef struct coff_tdata
54
{
55
  struct   coff_symbol_struct *symbols; /* symtab for input bfd */
56
  unsigned int *conversion_table;
57
  int conv_table_size;
58
  file_ptr sym_filepos;
59
 
60
  struct coff_ptr_struct *raw_syments;
61
  unsigned long raw_syment_count;
62
 
63
  /* These are only valid once writing has begun */
64
  long int relocbase;
65
 
66
  /* These members communicate important constants about the symbol table
67
     to GDB's symbol-reading code.  These `constants' unfortunately vary
68
     from coff implementation to implementation...  */
69
  unsigned local_n_btmask;
70
  unsigned local_n_btshft;
71
  unsigned local_n_tmask;
72
  unsigned local_n_tshift;
73
  unsigned local_symesz;
74
  unsigned local_auxesz;
75
  unsigned local_linesz;
76
 
77
  /* The unswapped external symbols.  May be NULL.  Read by
78
     _bfd_coff_get_external_symbols.  */
79
  PTR external_syms;
80
  /* If this is true, the external_syms may not be freed.  */
81
  boolean keep_syms;
82
 
83
  /* The string table.  May be NULL.  Read by
84
     _bfd_coff_read_string_table.  */
85
  char *strings;
86
  /* If this is true, the strings may not be freed.  */
87
  boolean keep_strings;
88
  /* If this is true, the strings have been written out already.  */
89
  boolean strings_written;
90
 
91
  /* is this a PE format coff file */
92
  int pe;
93
  /* Used by the COFF backend linker.  */
94
  struct coff_link_hash_entry **sym_hashes;
95
 
96
  /* used by the pe linker for PowerPC */
97
  int *local_toc_sym_map;
98
 
99
  struct bfd_link_info *link_info;
100
 
101
  /* Used by coff_find_nearest_line.  */
102
  PTR line_info;
103
 
104
  /* A place to stash dwarf2 info for this bfd. */
105
  PTR dwarf2_find_line_info;
106
 
107
  /* The timestamp from the COFF file header.  */
108
  long timestamp;
109
 
110
  /* Copy of some of the f_flags bits in the COFF filehdr structure,
111
     used by ARM code.  */
112
  flagword flags;
113
 
114
} coff_data_type;
115
 
116
/* Tdata for pe image files. */
117
typedef struct pe_tdata
118
{
119
  coff_data_type coff;
120
  struct internal_extra_pe_aouthdr pe_opthdr;
121
  int dll;
122
  int has_reloc_section;
123
  boolean (*in_reloc_p) PARAMS((bfd *, reloc_howto_type *));
124
  flagword real_flags;
125
  int target_subsystem;
126
  boolean force_minimum_alignment;
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
  boolean xcoff64;
140
 
141
  /* True if a large a.out header should be generated.  */
142
  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
  unsigned long *debug_indices;
174
  unsigned int import_file_id;
175
};
176
 
177
#define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data)
178
 
179
/* We take the address of the first element of a asymbol to ensure that the
180
 * macro is only ever applied to an asymbol.  */
181
#define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
182
 
183
/* The used_by_bfd field of a section may be set to a pointer to this
184
   structure.  */
185
 
186
struct coff_section_tdata
187
{
188
  /* The relocs, swapped into COFF internal form.  This may be NULL.  */
189
  struct internal_reloc *relocs;
190
  /* If this is true, the relocs entry may not be freed.  */
191
  boolean keep_relocs;
192
  /* The section contents.  This may be NULL.  */
193
  bfd_byte *contents;
194
  /* If this is true, the contents entry may not be freed.  */
195
  boolean keep_contents;
196
  /* Information cached by coff_find_nearest_line.  */
197
  bfd_vma offset;
198
  unsigned int i;
199
  const char *function;
200
  int line_base;
201
  /* A pointer used for .stab linking optimizations.  */
202
  PTR stab_info;
203
  /* Available for individual backends.  */
204
  PTR tdata;
205
};
206
 
207
/* An accessor macro for the coff_section_tdata structure.  */
208
#define coff_section_data(abfd, sec) \
209
  ((struct coff_section_tdata *) (sec)->used_by_bfd)
210
 
211
/* Tdata for sections in XCOFF files.  This is used by the linker.  */
212
 
213
struct xcoff_section_tdata
214
{
215
  /* Used for XCOFF csects created by the linker; points to the real
216
     XCOFF section which contains this csect.  */
217
  asection *enclosing;
218
  /* The lineno_count field for the enclosing section, because we are
219
     going to clobber it there.  */
220
  unsigned int lineno_count;
221
  /* The first and one past the last symbol indices for symbols used
222
     by this csect.  */
223
  unsigned long first_symndx;
224
  unsigned long last_symndx;
225
};
226
 
227
/* An accessor macro the xcoff_section_tdata structure.  */
228
#define xcoff_section_data(abfd, sec) \
229
  ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
230
 
231
/* Tdata for sections in PE files.  */
232
 
233
struct pei_section_tdata
234
{
235
  /* The virtual size of the section.  */
236
  bfd_size_type virt_size;
237
  /* The PE section flags.  */
238
  long pe_flags;
239
};
240
 
241
/* An accessor macro for the pei_section_tdata structure.  */
242
#define pei_section_data(abfd, sec) \
243
  ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
244
 
245
/* COFF linker hash table entries.  */
246
 
247
struct coff_link_hash_entry
248
{
249
  struct bfd_link_hash_entry root;
250
 
251
  /* Symbol index in output file.  Set to -1 initially.  Set to -2 if
252
     there is a reloc against this symbol.  */
253
  long indx;
254
 
255
  /* Symbol type.  */
256
  unsigned short type;
257
 
258
  /* Symbol class.  */
259
  unsigned char class;
260
 
261
  /* Number of auxiliary entries.  */
262
  char numaux;
263
 
264
  /* BFD to take auxiliary entries from.  */
265
  bfd *auxbfd;
266
 
267
  /* Pointer to array of auxiliary entries, if any.  */
268
  union internal_auxent *aux;
269
 
270
  /* Flag word; legal values follow.  */
271
  unsigned short coff_link_hash_flags;
272
  /* Symbol is a PE section symbol.  */
273
#define COFF_LINK_HASH_PE_SECTION_SYMBOL (01)
274
};
275
 
276
/* COFF linker hash table.  */
277
 
278
struct coff_link_hash_table
279
{
280
  struct bfd_link_hash_table root;
281
  /* A pointer to information used to link stabs in sections.  */
282
  PTR stab_info;
283
};
284
 
285
/* Look up an entry in a COFF linker hash table.  */
286
 
287
#define coff_link_hash_lookup(table, string, create, copy, follow)      \
288
  ((struct coff_link_hash_entry *)                                      \
289
   bfd_link_hash_lookup (&(table)->root, (string), (create),            \
290
                         (copy), (follow)))
291
 
292
/* Traverse a COFF linker hash table.  */
293
 
294
#define coff_link_hash_traverse(table, func, info)                      \
295
  (bfd_link_hash_traverse                                               \
296
   (&(table)->root,                                                     \
297
    (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func),  \
298
    (info)))
299
 
300
/* Get the COFF linker hash table from a link_info structure.  */
301
 
302
#define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash))
303
 
304
/* Functions in coffgen.c.  */
305
extern const bfd_target *coff_object_p PARAMS ((bfd *));
306
extern struct sec *coff_section_from_bfd_index PARAMS ((bfd *, int));
307
extern long coff_get_symtab_upper_bound PARAMS ((bfd *));
308
extern long coff_get_symtab PARAMS ((bfd *, asymbol **));
309
extern int coff_count_linenumbers PARAMS ((bfd *));
310
extern struct coff_symbol_struct *coff_symbol_from PARAMS ((bfd *, asymbol *));
311
extern boolean coff_renumber_symbols PARAMS ((bfd *, int *));
312
extern void coff_mangle_symbols PARAMS ((bfd *));
313
extern boolean coff_write_symbols PARAMS ((bfd *));
314
extern boolean coff_write_linenumbers PARAMS ((bfd *));
315
extern alent *coff_get_lineno PARAMS ((bfd *, asymbol *));
316
extern asymbol *coff_section_symbol PARAMS ((bfd *, char *));
317
extern boolean _bfd_coff_get_external_symbols PARAMS ((bfd *));
318
extern const char *_bfd_coff_read_string_table PARAMS ((bfd *));
319
extern boolean _bfd_coff_free_symbols PARAMS ((bfd *));
320
extern struct coff_ptr_struct *coff_get_normalized_symtab PARAMS ((bfd *));
321
extern long coff_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr));
322
extern asymbol *coff_make_empty_symbol PARAMS ((bfd *));
323
extern void coff_print_symbol PARAMS ((bfd *, PTR filep, asymbol *,
324
                                       bfd_print_symbol_type how));
325
extern void coff_get_symbol_info PARAMS ((bfd *, asymbol *,
326
                                          symbol_info *ret));
327
extern boolean _bfd_coff_is_local_label_name PARAMS ((bfd *, const char *));
328
extern asymbol *coff_bfd_make_debug_symbol PARAMS ((bfd *, PTR,
329
                                                    unsigned long));
330
extern boolean coff_find_nearest_line PARAMS ((bfd *,
331
                                               asection *,
332
                                               asymbol **,
333
                                               bfd_vma offset,
334
                                               CONST char **filename_ptr,
335
                                               CONST char **functionname_ptr,
336
                                               unsigned int *line_ptr));
337
extern int coff_sizeof_headers PARAMS ((bfd *, boolean reloc));
338
extern boolean bfd_coff_reloc16_relax_section
339
  PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *));
340
extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents
341
  PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
342
           bfd_byte *, boolean relocateable, asymbol **));
343
extern bfd_vma bfd_coff_reloc16_get_value PARAMS ((arelent *,
344
                                                   struct bfd_link_info *,
345
                                                   asection *));
346
extern void bfd_perform_slip PARAMS ((bfd *abfd, unsigned int slip,
347
                                      asection *input_section,
348
                                      bfd_vma val));
349
 
350
/* Functions and types in cofflink.c.  */
351
 
352
#define STRING_SIZE_SIZE (4)
353
 
354
/* We use a hash table to merge identical enum, struct, and union
355
   definitions in the linker.  */
356
 
357
/* Information we keep for a single element (an enum value, a
358
   structure or union field) in the debug merge hash table.  */
359
 
360
struct coff_debug_merge_element
361
{
362
  /* Next element.  */
363
  struct coff_debug_merge_element *next;
364
 
365
  /* Name.  */
366
  const char *name;
367
 
368
  /* Type.  */
369
  unsigned int type;
370
 
371
  /* Symbol index for complex type.  */
372
  long tagndx;
373
};
374
 
375
/* A linked list of debug merge entries for a given name.  */
376
 
377
struct coff_debug_merge_type
378
{
379
  /* Next type with the same name.  */
380
  struct coff_debug_merge_type *next;
381
 
382
  /* Class of type.  */
383
  int class;
384
 
385
  /* Symbol index where this type is defined.  */
386
  long indx;
387
 
388
  /* List of elements.  */
389
  struct coff_debug_merge_element *elements;
390
};
391
 
392
/* Information we store in the debug merge hash table.  */
393
 
394
struct coff_debug_merge_hash_entry
395
{
396
  struct bfd_hash_entry root;
397
 
398
  /* A list of types with this name.  */
399
  struct coff_debug_merge_type *types;
400
};
401
 
402
/* The debug merge hash table.  */
403
 
404
struct coff_debug_merge_hash_table
405
{
406
  struct bfd_hash_table root;
407
};
408
 
409
/* Initialize a COFF debug merge hash table.  */
410
 
411
#define coff_debug_merge_hash_table_init(table) \
412
  (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc))
413
 
414
/* Free a COFF debug merge hash table.  */
415
 
416
#define coff_debug_merge_hash_table_free(table) \
417
  (bfd_hash_table_free (&(table)->root))
418
 
419
/* Look up an entry in a COFF debug merge hash table.  */
420
 
421
#define coff_debug_merge_hash_lookup(table, string, create, copy) \
422
  ((struct coff_debug_merge_hash_entry *) \
423
   bfd_hash_lookup (&(table)->root, (string), (create), (copy)))
424
 
425
/* Information we keep for each section in the output file when doing
426
   a relocateable link.  */
427
 
428
struct coff_link_section_info
429
{
430
  /* The relocs to be output.  */
431
  struct internal_reloc *relocs;
432
  /* For each reloc against a global symbol whose index was not known
433
     when the reloc was handled, the global hash table entry.  */
434
  struct coff_link_hash_entry **rel_hashes;
435
};
436
 
437
/* Information that we pass around while doing the final link step.  */
438
 
439
struct coff_final_link_info
440
{
441
  /* General link information.  */
442
  struct bfd_link_info *info;
443
  /* Output BFD.  */
444
  bfd *output_bfd;
445
  /* Used to indicate failure in traversal routine.  */
446
  boolean failed;
447
  /* If doing "task linking" set only during the time when we want the
448
     global symbol writer to convert the storage class of defined global
449
     symbols from global to static. */
450
  boolean global_to_static;
451
  /* Hash table for long symbol names.  */
452
  struct bfd_strtab_hash *strtab;
453
  /* When doing a relocateable link, an array of information kept for
454
     each output section, indexed by the target_index field.  */
455
  struct coff_link_section_info *section_info;
456
  /* Symbol index of last C_FILE symbol (-1 if none).  */
457
  long last_file_index;
458
  /* Contents of last C_FILE symbol.  */
459
  struct internal_syment last_file;
460
  /* Symbol index of first aux entry of last .bf symbol with an empty
461
     endndx field (-1 if none).  */
462
  long last_bf_index;
463
  /* Contents of last_bf_index aux entry.  */
464
  union internal_auxent last_bf;
465
  /* Hash table used to merge debug information.  */
466
  struct coff_debug_merge_hash_table debug_merge;
467
  /* Buffer large enough to hold swapped symbols of any input file.  */
468
  struct internal_syment *internal_syms;
469
  /* Buffer large enough to hold sections of symbols of any input file.  */
470
  asection **sec_ptrs;
471
  /* Buffer large enough to hold output indices of symbols of any
472
     input file.  */
473
  long *sym_indices;
474
  /* Buffer large enough to hold output symbols for any input file.  */
475
  bfd_byte *outsyms;
476
  /* Buffer large enough to hold external line numbers for any input
477
     section.  */
478
  bfd_byte *linenos;
479
  /* Buffer large enough to hold any input section.  */
480
  bfd_byte *contents;
481
  /* Buffer large enough to hold external relocs of any input section.  */
482
  bfd_byte *external_relocs;
483
  /* Buffer large enough to hold swapped relocs of any input section.  */
484
  struct internal_reloc *internal_relocs;
485
};
486
 
487
/* Most COFF variants have no way to record the alignment of a
488
   section.  This struct is used to set a specific alignment based on
489
   the name of the section.  */
490
 
491
struct coff_section_alignment_entry
492
{
493
  /* The section name.  */
494
  const char *name;
495
 
496
  /* This is either (unsigned int) -1, indicating that the section
497
     name must match exactly, or it is the number of letters which
498
     must match at the start of the name.  */
499
  unsigned int comparison_length;
500
 
501
  /* These macros may be used to fill in the first two fields in a
502
     structure initialization.  */
503
#define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1)
504
#define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1)
505
 
506
  /* Only use this entry if the default section alignment for this
507
     target is at least that much (as a power of two).  If this field
508
     is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored.  */
509
  unsigned int default_alignment_min;
510
 
511
  /* Only use this entry if the default section alignment for this
512
     target is no greater than this (as a power of two).  If this
513
     field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored.  */
514
  unsigned int default_alignment_max;
515
 
516
#define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1)
517
 
518
  /* The desired alignment for this section (as a power of two).  */
519
  unsigned int alignment_power;
520
};
521
 
522
extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc
523
  PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
524
extern boolean _bfd_coff_link_hash_table_init
525
  PARAMS ((struct coff_link_hash_table *, bfd *,
526
           struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
527
                                       struct bfd_hash_table *,
528
                                       const char *)));
529
extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create
530
  PARAMS ((bfd *));
531
extern const char *_bfd_coff_internal_syment_name
532
  PARAMS ((bfd *, const struct internal_syment *, char *));
533
extern boolean _bfd_coff_link_add_symbols
534
  PARAMS ((bfd *, struct bfd_link_info *));
535
extern boolean _bfd_coff_final_link
536
  PARAMS ((bfd *, struct bfd_link_info *));
537
extern struct internal_reloc *_bfd_coff_read_internal_relocs
538
  PARAMS ((bfd *, asection *, boolean, bfd_byte *, boolean,
539
           struct internal_reloc *));
540
extern boolean _bfd_coff_generic_relocate_section
541
  PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
542
           struct internal_reloc *, struct internal_syment *, asection **));
543
 
544
extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc
545
  PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
546
extern boolean _bfd_coff_write_global_sym
547
  PARAMS ((struct coff_link_hash_entry *, PTR));
548
extern boolean _bfd_coff_write_task_globals
549
  PARAMS ((struct coff_link_hash_entry *, PTR));
550
extern boolean _bfd_coff_link_input_bfd
551
  PARAMS ((struct coff_final_link_info *, bfd *));
552
extern boolean _bfd_coff_reloc_link_order
553
  PARAMS ((bfd *, struct coff_final_link_info *, asection *,
554
           struct bfd_link_order *));
555
 
556
 
557
#define coff_get_section_contents_in_window \
558
  _bfd_generic_get_section_contents_in_window
559
 
560
/* Functions in xcofflink.c.  */
561
 
562
extern long _bfd_xcoff_get_dynamic_symtab_upper_bound PARAMS ((bfd *));
563
extern long _bfd_xcoff_canonicalize_dynamic_symtab
564
  PARAMS ((bfd *, asymbol **));
565
extern long _bfd_xcoff_get_dynamic_reloc_upper_bound PARAMS ((bfd *));
566
extern long _bfd_xcoff_canonicalize_dynamic_reloc
567
  PARAMS ((bfd *, arelent **, asymbol **));
568
extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create
569
  PARAMS ((bfd *));
570
extern boolean _bfd_xcoff_bfd_link_add_symbols
571
  PARAMS ((bfd *, struct bfd_link_info *));
572
extern boolean _bfd_xcoff_bfd_final_link
573
  PARAMS ((bfd *, struct bfd_link_info *));
574
extern boolean _bfd_ppc_xcoff_relocate_section
575
  PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
576
           struct internal_reloc *, struct internal_syment *, asection **));
577
 
578
/* Functions in coff-ppc.c.  FIXME: These are called be pe.em in the
579
   linker, and so should start with bfd and be declared in bfd.h.  */
580
 
581
extern boolean ppc_allocate_toc_section PARAMS ((struct bfd_link_info *));
582
extern boolean ppc_process_before_allocation
583
  PARAMS ((bfd *, struct bfd_link_info *));
584
 
585
/* And more taken from the source .. */
586
 
587
typedef struct coff_ptr_struct
588
{
589
 
590
       /* Remembers the offset from the first symbol in the file for
591
          this symbol. Generated by coff_renumber_symbols. */
592
unsigned int offset;
593
 
594
       /* Should the value of this symbol be renumbered.  Used for
595
          XCOFF C_BSTAT symbols.  Set by coff_slurp_symbol_table.  */
596
unsigned int fix_value : 1;
597
 
598
       /* Should the tag field of this symbol be renumbered.
599
          Created by coff_pointerize_aux. */
600
unsigned int fix_tag : 1;
601
 
602
       /* Should the endidx field of this symbol be renumbered.
603
          Created by coff_pointerize_aux. */
604
unsigned int fix_end : 1;
605
 
606
       /* Should the x_csect.x_scnlen field be renumbered.
607
          Created by coff_pointerize_aux. */
608
unsigned int fix_scnlen : 1;
609
 
610
       /* Fix up an XCOFF C_BINCL/C_EINCL symbol.  The value is the
611
          index into the line number entries.  Set by
612
          coff_slurp_symbol_table.  */
613
unsigned int fix_line : 1;
614
 
615
       /* The container for the symbol structure as read and translated
616
           from the file. */
617
 
618
union {
619
   union internal_auxent auxent;
620
   struct internal_syment syment;
621
 } u;
622
} combined_entry_type;
623
 
624
 
625
/* Each canonical asymbol really looks like this: */
626
 
627
typedef struct coff_symbol_struct
628
{
629
   /* The actual symbol which the rest of BFD works with */
630
asymbol symbol;
631
 
632
   /* A pointer to the hidden information for this symbol */
633
combined_entry_type *native;
634
 
635
   /* A pointer to the linenumber information for this symbol */
636
struct lineno_cache_entry *lineno;
637
 
638
   /* Have the line numbers been relocated yet ? */
639
boolean done_lineno;
640
} coff_symbol_type;
641
/* COFF symbol classifications.  */
642
 
643
enum coff_symbol_classification
644
{
645
  /* Global symbol.  */
646
  COFF_SYMBOL_GLOBAL,
647
  /* Common symbol.  */
648
  COFF_SYMBOL_COMMON,
649
  /* Undefined symbol.  */
650
  COFF_SYMBOL_UNDEFINED,
651
  /* Local symbol.  */
652
  COFF_SYMBOL_LOCAL,
653
  /* PE section symbol.  */
654
  COFF_SYMBOL_PE_SECTION
655
};
656
 
657
typedef struct
658
{
659
  void (*_bfd_coff_swap_aux_in) PARAMS ((
660
       bfd            *abfd,
661
       PTR             ext,
662
       int             type,
663
       int             class,
664
       int             indaux,
665
       int             numaux,
666
       PTR             in));
667
 
668
  void (*_bfd_coff_swap_sym_in) PARAMS ((
669
       bfd            *abfd ,
670
       PTR             ext,
671
       PTR             in));
672
 
673
  void (*_bfd_coff_swap_lineno_in) PARAMS ((
674
       bfd            *abfd,
675
       PTR            ext,
676
       PTR             in));
677
 
678
 unsigned int (*_bfd_coff_swap_aux_out) PARAMS ((
679
       bfd     *abfd,
680
       PTR     in,
681
       int     type,
682
       int     class,
683
       int     indaux,
684
       int     numaux,
685
       PTR     ext));
686
 
687
 unsigned int (*_bfd_coff_swap_sym_out) PARAMS ((
688
      bfd      *abfd,
689
      PTR      in,
690
      PTR      ext));
691
 
692
 unsigned int (*_bfd_coff_swap_lineno_out) PARAMS ((
693
       bfd     *abfd,
694
       PTR     in,
695
       PTR     ext));
696
 
697
 unsigned int (*_bfd_coff_swap_reloc_out) PARAMS ((
698
       bfd     *abfd,
699
       PTR     src,
700
       PTR     dst));
701
 
702
 unsigned int (*_bfd_coff_swap_filehdr_out) PARAMS ((
703
       bfd     *abfd,
704
       PTR     in,
705
       PTR     out));
706
 
707
 unsigned int (*_bfd_coff_swap_aouthdr_out) PARAMS ((
708
       bfd     *abfd,
709
       PTR     in,
710
       PTR     out));
711
 
712
 unsigned int (*_bfd_coff_swap_scnhdr_out) PARAMS ((
713
       bfd     *abfd,
714
       PTR     in,
715
       PTR     out));
716
 
717
 unsigned int _bfd_filhsz;
718
 unsigned int _bfd_aoutsz;
719
 unsigned int _bfd_scnhsz;
720
 unsigned int _bfd_symesz;
721
 unsigned int _bfd_auxesz;
722
 unsigned int _bfd_relsz;
723
 unsigned int _bfd_linesz;
724
 unsigned int _bfd_filnmlen;
725
 boolean _bfd_coff_long_filenames;
726
 boolean _bfd_coff_long_section_names;
727
 unsigned int _bfd_coff_default_section_alignment_power;
728
 boolean _bfd_coff_force_symnames_in_strings;
729
 unsigned int _bfd_coff_debug_string_prefix_length;
730
 void (*_bfd_coff_swap_filehdr_in) PARAMS ((
731
       bfd     *abfd,
732
       PTR     ext,
733
       PTR     in));
734
 void (*_bfd_coff_swap_aouthdr_in) PARAMS ((
735
       bfd     *abfd,
736
       PTR     ext,
737
       PTR     in));
738
 void (*_bfd_coff_swap_scnhdr_in) PARAMS ((
739
       bfd     *abfd,
740
       PTR     ext,
741
       PTR     in));
742
 void (*_bfd_coff_swap_reloc_in) PARAMS ((
743
       bfd     *abfd,
744
       PTR     ext,
745
       PTR     in));
746
 boolean (*_bfd_coff_bad_format_hook) PARAMS ((
747
       bfd     *abfd,
748
       PTR     internal_filehdr));
749
 boolean (*_bfd_coff_set_arch_mach_hook) PARAMS ((
750
       bfd     *abfd,
751
       PTR     internal_filehdr));
752
 PTR (*_bfd_coff_mkobject_hook) PARAMS ((
753
       bfd     *abfd,
754
       PTR     internal_filehdr,
755
       PTR     internal_aouthdr));
756
 boolean (*_bfd_styp_to_sec_flags_hook) PARAMS ((
757
       bfd     *abfd,
758
       PTR     internal_scnhdr,
759
       const char *name,
760
       asection *section,
761
       flagword *flags_ptr));
762
 void (*_bfd_set_alignment_hook) PARAMS ((
763
       bfd     *abfd,
764
       asection *sec,
765
       PTR     internal_scnhdr));
766
 boolean (*_bfd_coff_slurp_symbol_table) PARAMS ((
767
       bfd     *abfd));
768
 boolean (*_bfd_coff_symname_in_debug) PARAMS ((
769
       bfd     *abfd,
770
       struct internal_syment *sym));
771
 boolean (*_bfd_coff_pointerize_aux_hook) PARAMS ((
772
       bfd *abfd,
773
       combined_entry_type *table_base,
774
       combined_entry_type *symbol,
775
       unsigned int indaux,
776
       combined_entry_type *aux));
777
 boolean (*_bfd_coff_print_aux) PARAMS ((
778
       bfd *abfd,
779
       FILE *file,
780
       combined_entry_type *table_base,
781
       combined_entry_type *symbol,
782
       combined_entry_type *aux,
783
       unsigned int indaux));
784
 void (*_bfd_coff_reloc16_extra_cases) PARAMS ((
785
       bfd     *abfd,
786
       struct bfd_link_info *link_info,
787
       struct bfd_link_order *link_order,
788
       arelent *reloc,
789
       bfd_byte *data,
790
       unsigned int *src_ptr,
791
       unsigned int *dst_ptr));
792
 int (*_bfd_coff_reloc16_estimate) PARAMS ((
793
       bfd *abfd,
794
       asection *input_section,
795
       arelent *r,
796
       unsigned int shrink,
797
       struct bfd_link_info *link_info));
798
 enum coff_symbol_classification (*_bfd_coff_classify_symbol) PARAMS ((
799
       bfd *abfd,
800
       struct internal_syment *));
801
 boolean (*_bfd_coff_compute_section_file_positions) PARAMS ((
802
       bfd *abfd));
803
 boolean (*_bfd_coff_start_final_link) PARAMS ((
804
       bfd *output_bfd,
805
       struct bfd_link_info *info));
806
 boolean (*_bfd_coff_relocate_section) PARAMS ((
807
       bfd *output_bfd,
808
       struct bfd_link_info *info,
809
       bfd *input_bfd,
810
       asection *input_section,
811
       bfd_byte *contents,
812
       struct internal_reloc *relocs,
813
       struct internal_syment *syms,
814
       asection **sections));
815
 reloc_howto_type *(*_bfd_coff_rtype_to_howto) PARAMS ((
816
       bfd *abfd,
817
       asection *sec,
818
       struct internal_reloc *rel,
819
       struct coff_link_hash_entry *h,
820
       struct internal_syment *sym,
821
       bfd_vma *addendp));
822
 boolean (*_bfd_coff_adjust_symndx) PARAMS ((
823
       bfd *obfd,
824
       struct bfd_link_info *info,
825
       bfd *ibfd,
826
       asection *sec,
827
       struct internal_reloc *reloc,
828
       boolean *adjustedp));
829
 boolean (*_bfd_coff_link_add_one_symbol) PARAMS ((
830
       struct bfd_link_info *info,
831
       bfd *abfd,
832
       const char *name,
833
       flagword flags,
834
       asection *section,
835
       bfd_vma value,
836
       const char *string,
837
       boolean copy,
838
       boolean collect,
839
       struct bfd_link_hash_entry **hashp));
840
 
841
 boolean (*_bfd_coff_link_output_has_begun) PARAMS ((
842
       bfd * abfd,
843
       struct coff_final_link_info * pfinfo));
844
 boolean (*_bfd_coff_final_link_postscript) PARAMS ((
845
       bfd * abfd,
846
       struct coff_final_link_info * pfinfo));
847
 
848
} bfd_coff_backend_data;
849
 
850
#define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
851
 
852
#define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \
853
        ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i))
854
 
855
#define bfd_coff_swap_sym_in(a,e,i) \
856
        ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
857
 
858
#define bfd_coff_swap_lineno_in(a,e,i) \
859
        ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
860
 
861
#define bfd_coff_swap_reloc_out(abfd, i, o) \
862
        ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
863
 
864
#define bfd_coff_swap_lineno_out(abfd, i, o) \
865
        ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
866
 
867
#define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \
868
        ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o))
869
 
870
#define bfd_coff_swap_sym_out(abfd, i,o) \
871
        ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
872
 
873
#define bfd_coff_swap_scnhdr_out(abfd, i,o) \
874
        ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
875
 
876
#define bfd_coff_swap_filehdr_out(abfd, i,o) \
877
        ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
878
 
879
#define bfd_coff_swap_aouthdr_out(abfd, i,o) \
880
        ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
881
 
882
#define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
883
#define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
884
#define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
885
#define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
886
#define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
887
#define bfd_coff_relsz(abfd)  (coff_backend_info (abfd)->_bfd_relsz)
888
#define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
889
#define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen)
890
#define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames)
891
#define bfd_coff_long_section_names(abfd) \
892
        (coff_backend_info (abfd)->_bfd_coff_long_section_names)
893
#define bfd_coff_default_section_alignment_power(abfd) \
894
        (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power)
895
#define bfd_coff_swap_filehdr_in(abfd, i,o) \
896
        ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
897
 
898
#define bfd_coff_swap_aouthdr_in(abfd, i,o) \
899
        ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
900
 
901
#define bfd_coff_swap_scnhdr_in(abfd, i,o) \
902
        ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
903
 
904
#define bfd_coff_swap_reloc_in(abfd, i, o) \
905
        ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o))
906
 
907
#define bfd_coff_bad_format_hook(abfd, filehdr) \
908
        ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
909
 
910
#define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
911
        ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
912
#define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\
913
        ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr))
914
 
915
#define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\
916
        ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\
917
         (abfd, scnhdr, name, section, flags_ptr))
918
 
919
#define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
920
        ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
921
 
922
#define bfd_coff_slurp_symbol_table(abfd)\
923
        ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
924
 
925
#define bfd_coff_symname_in_debug(abfd, sym)\
926
        ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
927
 
928
#define bfd_coff_force_symnames_in_strings(abfd)\
929
       (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings)
930
 
931
#define bfd_coff_debug_string_prefix_length(abfd)\
932
       (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length)
933
 
934
#define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\
935
        ((coff_backend_info (abfd)->_bfd_coff_print_aux)\
936
         (abfd, file, base, symbol, aux, indaux))
937
 
938
#define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)\
939
        ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
940
         (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr))
941
 
942
#define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\
943
        ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
944
         (abfd, section, reloc, shrink, link_info))
945
 
946
#define bfd_coff_classify_symbol(abfd, sym)\
947
        ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\
948
         (abfd, sym))
949
 
950
#define bfd_coff_compute_section_file_positions(abfd)\
951
        ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\
952
         (abfd))
953
 
954
#define bfd_coff_start_final_link(obfd, info)\
955
        ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\
956
         (obfd, info))
957
#define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\
958
        ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\
959
         (obfd, info, ibfd, o, con, rel, isyms, secs))
960
#define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\
961
        ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\
962
         (abfd, sec, rel, h, sym, addendp))
963
#define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\
964
        ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\
965
         (obfd, info, ibfd, sec, rel, adjustedp))
966
#define bfd_coff_link_add_one_symbol(info,abfd,name,flags,section,value,string,cp,coll,hashp)\
967
        ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\
968
         (info, abfd, name, flags, section, value, string, cp, coll, hashp))
969
 
970
#define bfd_coff_link_output_has_begun(a,p) \
971
        ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a,p))
972
#define bfd_coff_final_link_postscript(a,p) \
973
        ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a,p))
974
 

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