aboutsummaryrefslogtreecommitdiff
path: root/bfd/coffswap.h
blob: 190b8f02a0b6f0404b5f5f37ef8c9daeae5fe1d4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
/* Generic COFF swapping routines, for BFD.
   Copyright (C) 1990-2023 Free Software Foundation, Inc.
   Written by Cygnus Support.

   This file is part of BFD, the Binary File Descriptor library.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */

/* This file contains routines used to swap COFF data.  It is a header
   file because the details of swapping depend on the details of the
   structures used by each COFF implementation.  This is included by
   coffcode.h, as well as by the ECOFF backend.

   Any file which uses this must first include "coff/internal.h" and
   "coff/CPU.h".  The functions will then be correct for that CPU.  */

#ifndef GET_FCN_LNNOPTR
#define GET_FCN_LNNOPTR(abfd, ext) \
  H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr)
#endif

#ifndef GET_FCN_ENDNDX
#define GET_FCN_ENDNDX(abfd, ext) \
  H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_endndx)
#endif

#ifndef PUT_FCN_LNNOPTR
#define PUT_FCN_LNNOPTR(abfd, in, ext) \
  H_PUT_32 (abfd,  in, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr)
#endif
#ifndef PUT_FCN_ENDNDX
#define PUT_FCN_ENDNDX(abfd, in, ext) \
  H_PUT_32 (abfd, in, ext->x_sym.x_fcnary.x_fcn.x_endndx)
#endif
#ifndef GET_LNSZ_LNNO
#define GET_LNSZ_LNNO(abfd, ext) \
  H_GET_16 (abfd, ext->x_sym.x_misc.x_lnsz.x_lnno)
#endif
#ifndef GET_LNSZ_SIZE
#define GET_LNSZ_SIZE(abfd, ext) \
  H_GET_16 (abfd, ext->x_sym.x_misc.x_lnsz.x_size)
#endif
#ifndef PUT_LNSZ_LNNO
#define PUT_LNSZ_LNNO(abfd, in, ext) \
  H_PUT_16 (abfd, in, ext->x_sym.x_misc.x_lnsz.x_lnno)
#endif
#ifndef PUT_LNSZ_SIZE
#define PUT_LNSZ_SIZE(abfd, in, ext) \
  H_PUT_16 (abfd, in, ext->x_sym.x_misc.x_lnsz.x_size)
#endif
#ifndef GET_SCN_SCNLEN
#define GET_SCN_SCNLEN(abfd, ext) \
  H_GET_32 (abfd, ext->x_scn.x_scnlen)
#endif
#ifndef GET_SCN_NRELOC
#define GET_SCN_NRELOC(abfd, ext) \
  H_GET_16 (abfd, ext->x_scn.x_nreloc)
#endif
#ifndef GET_SCN_NLINNO
#define GET_SCN_NLINNO(abfd, ext) \
  H_GET_16 (abfd, ext->x_scn.x_nlinno)
#endif
#ifndef PUT_SCN_SCNLEN
#define PUT_SCN_SCNLEN(abfd, in, ext) \
  H_PUT_32 (abfd, in, ext->x_scn.x_scnlen)
#endif
#ifndef PUT_SCN_NRELOC
#define PUT_SCN_NRELOC(abfd, in, ext) \
  H_PUT_16 (abfd, in, ext->x_scn.x_nreloc)
#endif
#ifndef PUT_SCN_NLINNO
#define PUT_SCN_NLINNO(abfd, in, ext) \
  H_PUT_16 (abfd, in, ext->x_scn.x_nlinno)
#endif
#ifndef GET_LINENO_LNNO
#define GET_LINENO_LNNO(abfd, ext) \
  H_GET_16 (abfd, ext->l_lnno);
#endif
#ifndef PUT_LINENO_LNNO
#define PUT_LINENO_LNNO(abfd, val, ext) \
  H_PUT_16 (abfd, val, ext->l_lnno);
#endif

/* The f_symptr field in the filehdr is sometimes 64 bits.  */
#ifndef GET_FILEHDR_SYMPTR
#define GET_FILEHDR_SYMPTR H_GET_32
#endif
#ifndef PUT_FILEHDR_SYMPTR
#define PUT_FILEHDR_SYMPTR H_PUT_32
#endif

/* Some fields in the aouthdr are sometimes 64 bits.  */
#ifndef GET_AOUTHDR_TSIZE
#define GET_AOUTHDR_TSIZE H_GET_32
#endif
#ifndef PUT_AOUTHDR_TSIZE
#define PUT_AOUTHDR_TSIZE H_PUT_32
#endif
#ifndef GET_AOUTHDR_DSIZE
#define GET_AOUTHDR_DSIZE H_GET_32
#endif
#ifndef PUT_AOUTHDR_DSIZE
#define PUT_AOUTHDR_DSIZE H_PUT_32
#endif
#ifndef GET_AOUTHDR_BSIZE
#define GET_AOUTHDR_BSIZE H_GET_32
#endif
#ifndef PUT_AOUTHDR_BSIZE
#define PUT_AOUTHDR_BSIZE H_PUT_32
#endif
#ifndef GET_AOUTHDR_ENTRY
#define GET_AOUTHDR_ENTRY H_GET_32
#endif
#ifndef PUT_AOUTHDR_ENTRY
#define PUT_AOUTHDR_ENTRY H_PUT_32
#endif
#ifndef GET_AOUTHDR_TEXT_START
#define GET_AOUTHDR_TEXT_START H_GET_32
#endif
#ifndef PUT_AOUTHDR_TEXT_START
#define PUT_AOUTHDR_TEXT_START H_PUT_32
#endif
#ifndef GET_AOUTHDR_DATA_START
#define GET_AOUTHDR_DATA_START H_GET_32
#endif
#ifndef PUT_AOUTHDR_DATA_START
#define PUT_AOUTHDR_DATA_START H_PUT_32
#endif

/* Some fields in the scnhdr are sometimes 64 bits.  */
#ifndef GET_SCNHDR_PADDR
#define GET_SCNHDR_PADDR H_GET_32
#endif
#ifndef PUT_SCNHDR_PADDR
#define PUT_SCNHDR_PADDR H_PUT_32
#endif
#ifndef GET_SCNHDR_VADDR
#define GET_SCNHDR_VADDR H_GET_32
#endif
#ifndef PUT_SCNHDR_VADDR
#define PUT_SCNHDR_VADDR H_PUT_32
#endif
#ifndef GET_SCNHDR_SIZE
#define GET_SCNHDR_SIZE H_GET_32
#endif
#ifndef PUT_SCNHDR_SIZE
#define PUT_SCNHDR_SIZE H_PUT_32
#endif
#ifndef GET_SCNHDR_SCNPTR
#define GET_SCNHDR_SCNPTR H_GET_32
#endif
#ifndef PUT_SCNHDR_SCNPTR
#define PUT_SCNHDR_SCNPTR H_PUT_32
#endif
#ifndef GET_SCNHDR_RELPTR
#define GET_SCNHDR_RELPTR H_GET_32
#endif
#ifndef PUT_SCNHDR_RELPTR
#define PUT_SCNHDR_RELPTR H_PUT_32
#endif
#ifndef GET_SCNHDR_LNNOPTR
#define GET_SCNHDR_LNNOPTR H_GET_32
#endif
#ifndef PUT_SCNHDR_LNNOPTR
#define PUT_SCNHDR_LNNOPTR H_PUT_32
#endif
#ifndef GET_SCNHDR_NRELOC
#define GET_SCNHDR_NRELOC H_GET_16
#endif
#ifndef MAX_SCNHDR_NRELOC
#define MAX_SCNHDR_NRELOC 0xffff
#endif
#ifndef PUT_SCNHDR_NRELOC
#define PUT_SCNHDR_NRELOC H_PUT_16
#endif
#ifndef GET_SCNHDR_NLNNO
#define GET_SCNHDR_NLNNO H_GET_16
#endif
#ifndef MAX_SCNHDR_NLNNO
#define MAX_SCNHDR_NLNNO 0xffff
#endif
#ifndef PUT_SCNHDR_NLNNO
#define PUT_SCNHDR_NLNNO H_PUT_16
#endif
#ifndef GET_SCNHDR_FLAGS
#define GET_SCNHDR_FLAGS H_GET_32
#endif
#ifndef PUT_SCNHDR_FLAGS
#define PUT_SCNHDR_FLAGS H_PUT_32
#endif

#ifndef GET_RELOC_VADDR
#define GET_RELOC_VADDR H_GET_32
#endif
#ifndef PUT_RELOC_VADDR
#define PUT_RELOC_VADDR H_PUT_32
#endif

#ifndef NO_COFF_RELOCS

static void
coff_swap_reloc_in (bfd * abfd, void * src, void * dst)
{
  RELOC *reloc_src = (RELOC *) src;
  struct internal_reloc *reloc_dst = (struct internal_reloc *) dst;

  reloc_dst->r_vaddr  = GET_RELOC_VADDR (abfd, reloc_src->r_vaddr);
  reloc_dst->r_symndx = H_GET_S32 (abfd, reloc_src->r_symndx);
  reloc_dst->r_type   = H_GET_16 (abfd, reloc_src->r_type);

#ifdef SWAP_IN_RELOC_OFFSET
  reloc_dst->r_offset = SWAP_IN_RELOC_OFFSET (abfd, reloc_src->r_offset);
#endif
}

static unsigned int
coff_swap_reloc_out (bfd * abfd, void * src, void * dst)
{
  struct internal_reloc *reloc_src = (struct internal_reloc *) src;
  struct external_reloc *reloc_dst = (struct external_reloc *) dst;

  PUT_RELOC_VADDR (abfd, reloc_src->r_vaddr, reloc_dst->r_vaddr);
  H_PUT_32 (abfd, reloc_src->r_symndx, reloc_dst->r_symndx);
  H_PUT_16 (abfd, reloc_src->r_type, reloc_dst->r_type);

#ifdef SWAP_OUT_RELOC_OFFSET
  SWAP_OUT_RELOC_OFFSET (abfd, reloc_src->r_offset, reloc_dst->r_offset);
#endif
#ifdef SWAP_OUT_RELOC_EXTRA
  SWAP_OUT_RELOC_EXTRA (abfd, reloc_src, reloc_dst);
#endif

  return bfd_coff_relsz (abfd);
}

#ifdef TICOFF
static void
coff_swap_reloc_v0_in (bfd *abfd, void *src, void *dst)
{
  struct external_reloc_v0 *reloc_src = (struct external_reloc_v0 *) src;
  struct internal_reloc *reloc_dst = (struct internal_reloc *) dst;

  reloc_dst->r_vaddr  = GET_RELOC_VADDR (abfd, reloc_src->r_vaddr);
  reloc_dst->r_symndx = H_GET_16 (abfd, reloc_src->r_symndx);
  reloc_dst->r_type   = H_GET_16 (abfd, reloc_src->r_type);
}

static unsigned int
coff_swap_reloc_v0_out (bfd *abfd, void *src, void *dst)
{
  struct internal_reloc *reloc_src = (struct internal_reloc *) src;
  struct external_reloc_v0 *reloc_dst = (struct external_reloc_v0 *) dst;

  PUT_RELOC_VADDR (abfd, reloc_src->r_vaddr, reloc_dst->r_vaddr);
  H_PUT_16 (abfd, reloc_src->r_symndx, reloc_dst->r_symndx);
  H_PUT_16 (abfd, reloc_src->r_type, reloc_dst->r_type);
  SWAP_OUT_RELOC_EXTRA (abfd, reloc_src, reloc_dst);

  return bfd_coff_relsz (abfd);
}
#endif

#endif /* NO_COFF_RELOCS */

static void
coff_swap_filehdr_in (bfd * abfd, void * src, void * dst)
{
  FILHDR *filehdr_src = (FILHDR *) src;
  struct internal_filehdr *filehdr_dst = (struct internal_filehdr *) dst;

#ifdef COFF_ADJUST_FILEHDR_IN_PRE
  COFF_ADJUST_FILEHDR_IN_PRE (abfd, src, dst);
#endif
  filehdr_dst->f_magic  = H_GET_16 (abfd, filehdr_src->f_magic);
  filehdr_dst->f_nscns  = H_GET_16 (abfd, filehdr_src->f_nscns);
  filehdr_dst->f_timdat = H_GET_32 (abfd, filehdr_src->f_timdat);
  filehdr_dst->f_symptr = GET_FILEHDR_SYMPTR (abfd, filehdr_src->f_symptr);
  filehdr_dst->f_nsyms  = H_GET_32 (abfd, filehdr_src->f_nsyms);
  filehdr_dst->f_opthdr = H_GET_16 (abfd, filehdr_src->f_opthdr);
  filehdr_dst->f_flags  = H_GET_16 (abfd, filehdr_src->f_flags);

#ifdef COFF_ADJUST_FILEHDR_IN_POST
  COFF_ADJUST_FILEHDR_IN_POST (abfd, src, dst);
#endif
}

static  unsigned int
coff_swap_filehdr_out (bfd *abfd, void * in, void * out)
{
  struct internal_filehdr *filehdr_in = (struct internal_filehdr *) in;
  FILHDR *filehdr_out = (FILHDR *) out;

#ifdef COFF_ADJUST_FILEHDR_OUT_PRE
  COFF_ADJUST_FILEHDR_OUT_PRE (abfd, in, out);
#endif
  H_PUT_16 (abfd, filehdr_in->f_magic, filehdr_out->f_magic);
  H_PUT_16 (abfd, filehdr_in->f_nscns, filehdr_out->f_nscns);
  H_PUT_32 (abfd, filehdr_in->f_timdat, filehdr_out->f_timdat);
  PUT_FILEHDR_SYMPTR (abfd, filehdr_in->f_symptr, filehdr_out->f_symptr);
  H_PUT_32 (abfd, filehdr_in->f_nsyms, filehdr_out->f_nsyms);
  H_PUT_16 (abfd, filehdr_in->f_opthdr, filehdr_out->f_opthdr);
  H_PUT_16 (abfd, filehdr_in->f_flags, filehdr_out->f_flags);

#ifdef COFF_ADJUST_FILEHDR_OUT_POST
  COFF_ADJUST_FILEHDR_OUT_POST (abfd, in, out);
#endif
  return bfd_coff_filhsz (abfd);
}

#ifndef NO_COFF_SYMBOLS

static void
coff_swap_sym_in (bfd * abfd, void * ext1, void * in1)
{
  SYMENT *ext = (SYMENT *) ext1;
  struct internal_syment *in = (struct internal_syment *) in1;

  if (ext->e.e_name[0] == 0)
    {
      in->_n._n_n._n_zeroes = 0;
      in->_n._n_n._n_offset = H_GET_32 (abfd, ext->e.e.e_offset);
    }
  else
    {
#if SYMNMLEN != E_SYMNMLEN
#error we need to cope with truncating or extending SYMNMLEN
#else
      memcpy (in->_n._n_name, ext->e.e_name, SYMNMLEN);
#endif
    }

  in->n_value = H_GET_32 (abfd, ext->e_value);
  in->n_scnum = (short) H_GET_16 (abfd, ext->e_scnum);
  if (sizeof (ext->e_type) == 2)
    in->n_type = H_GET_16 (abfd, ext->e_type);
  else
    in->n_type = H_GET_32 (abfd, ext->e_type);
  in->n_sclass = H_GET_8 (abfd, ext->e_sclass);
  in->n_numaux = H_GET_8 (abfd, ext->e_numaux);
#ifdef COFF_ADJUST_SYM_IN_POST
  COFF_ADJUST_SYM_IN_POST (abfd, ext1, in1);
#endif
}

static unsigned int
coff_swap_sym_out (bfd * abfd, void * inp, void * extp)
{
  struct internal_syment *in = (struct internal_syment *) inp;
  SYMENT *ext =(SYMENT *) extp;

#ifdef COFF_ADJUST_SYM_OUT_PRE
  COFF_ADJUST_SYM_OUT_PRE (abfd, inp, extp);
#endif

  if (in->_n._n_name[0] == 0)
    {
      H_PUT_32 (abfd, 0, ext->e.e.e_zeroes);
      H_PUT_32 (abfd, in->_n._n_n._n_offset, ext->e.e.e_offset);
    }
  else
    {
#if SYMNMLEN != E_SYMNMLEN
#error we need to cope with truncating or extending SYMNMLEN
#else
      memcpy (ext->e.e_name, in->_n._n_name, SYMNMLEN);
#endif
    }

  H_PUT_32 (abfd, in->n_value, ext->e_value);
  H_PUT_16 (abfd, in->n_scnum, ext->e_scnum);

  if (sizeof (ext->e_type) == 2)
    H_PUT_16 (abfd, in->n_type, ext->e_type);
  else
    H_PUT_32 (abfd, in->n_type, ext->e_type);

  H_PUT_8 (abfd, in->n_sclass, ext->e_sclass);
  H_PUT_8 (abfd, in->n_numaux, ext->e_numaux);

#ifdef COFF_ADJUST_SYM_OUT_POST
  COFF_ADJUST_SYM_OUT_POST (abfd, inp, extp);
#endif

  return SYMESZ;
}

static void
coff_swap_aux_in (bfd *abfd,
		  void * ext1,
		  int type,
		  int in_class,
		  int indx,
		  int numaux,
		  void * in1)
{
  AUXENT *ext = (AUXENT *) ext1;
  union internal_auxent *in = (union internal_auxent *) in1;

#ifdef COFF_ADJUST_AUX_IN_PRE
  COFF_ADJUST_AUX_IN_PRE (abfd, ext1, type, in_class, indx, numaux, in1);
#endif

  switch (in_class)
    {
    case C_FILE:
      if (ext->x_file.x_fname[0] == 0)
	{
	  in->x_file.x_n.x_n.x_zeroes = 0;
	  in->x_file.x_n.x_n.x_offset = H_GET_32 (abfd, ext->x_file.x_n.x_offset);
	}
      else
	{
#if FILNMLEN != E_FILNMLEN
#error we need to cope with truncating or extending FILNMLEN
#else
	  if (numaux > 1 && obj_pe (abfd))
	    {
	      if (indx == 0)
		memcpy (in->x_file.x_n.x_fname, ext->x_file.x_fname,
			numaux * sizeof (AUXENT));
	    }
	  else
	    memcpy (in->x_file.x_n.x_fname, ext->x_file.x_fname, FILNMLEN);
#endif
	}
      goto end;

    case C_STAT:
#ifdef C_LEAFSTAT
    case C_LEAFSTAT:
#endif
    case C_HIDDEN:
      if (type == T_NULL)
	{
	  in->x_scn.x_scnlen = GET_SCN_SCNLEN (abfd, ext);
	  in->x_scn.x_nreloc = GET_SCN_NRELOC (abfd, ext);
	  in->x_scn.x_nlinno = GET_SCN_NLINNO (abfd, ext);

	  /* PE defines some extra fields; we zero them out for
	     safety.  */
	  in->x_scn.x_checksum = 0;
	  in->x_scn.x_associated = 0;
	  in->x_scn.x_comdat = 0;

	  goto end;
	}
      break;
    }

  in->x_sym.x_tagndx.u32 = H_GET_32 (abfd, ext->x_sym.x_tagndx);
#ifndef NO_TVNDX
  in->x_sym.x_tvndx = H_GET_16 (abfd, ext->x_sym.x_tvndx);
#endif

  if (in_class == C_BLOCK || in_class == C_FCN || ISFCN (type)
      || ISTAG (in_class))
    {
      in->x_sym.x_fcnary.x_fcn.x_lnnoptr = GET_FCN_LNNOPTR (abfd, ext);
      in->x_sym.x_fcnary.x_fcn.x_endndx.u32 = GET_FCN_ENDNDX (abfd, ext);
    }
  else
    {
#if DIMNUM != E_DIMNUM
#error we need to cope with truncating or extending DIMNUM
#endif
      in->x_sym.x_fcnary.x_ary.x_dimen[0] =
	H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
      in->x_sym.x_fcnary.x_ary.x_dimen[1] =
	H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
      in->x_sym.x_fcnary.x_ary.x_dimen[2] =
	H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
      in->x_sym.x_fcnary.x_ary.x_dimen[3] =
	H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
    }

  if (ISFCN (type))
    in->x_sym.x_misc.x_fsize = H_GET_32 (abfd, ext->x_sym.x_misc.x_fsize);
  else
    {
      in->x_sym.x_misc.x_lnsz.x_lnno = GET_LNSZ_LNNO (abfd, ext);
      in->x_sym.x_misc.x_lnsz.x_size = GET_LNSZ_SIZE (abfd, ext);
    }

 end: ;

#ifdef COFF_ADJUST_AUX_IN_POST
  COFF_ADJUST_AUX_IN_POST (abfd, ext1, type, in_class, indx, numaux, in1);
#endif
}

static unsigned int
coff_swap_aux_out (bfd * abfd,
		   void * inp,
		   int type,
		   int in_class,
		   int indx ATTRIBUTE_UNUSED,
		   int numaux ATTRIBUTE_UNUSED,
		   void * extp)
{
  union internal_auxent * in = (union internal_auxent *) inp;
  AUXENT *ext = (AUXENT *) extp;

#ifdef COFF_ADJUST_AUX_OUT_PRE
  COFF_ADJUST_AUX_OUT_PRE (abfd, inp, type, in_class, indx, numaux, extp);
#endif

  memset (ext, 0, AUXESZ);

  switch (in_class)
    {
    case C_FILE:
      if (in->x_file.x_n.x_fname[0] == 0)
	{
	  H_PUT_32 (abfd, 0, ext->x_file.x_n.x_zeroes);
	  H_PUT_32 (abfd, in->x_file.x_n.x_n.x_offset, ext->x_file.x_n.x_offset);
	}
      else
	{
#if FILNMLEN != E_FILNMLEN
#error we need to cope with truncating or extending FILNMLEN
#else
	  memcpy (ext->x_file.x_fname, in->x_file.x_n.x_fname, FILNMLEN);
#endif
	}
      goto end;

    case C_STAT:
#ifdef C_LEAFSTAT
    case C_LEAFSTAT:
#endif
    case C_HIDDEN:
      if (type == T_NULL)
	{
	  PUT_SCN_SCNLEN (abfd, in->x_scn.x_scnlen, ext);
	  PUT_SCN_NRELOC (abfd, in->x_scn.x_nreloc, ext);
	  PUT_SCN_NLINNO (abfd, in->x_scn.x_nlinno, ext);
	  goto end;
	}
      break;
    }

  H_PUT_32 (abfd, in->x_sym.x_tagndx.u32, ext->x_sym.x_tagndx);
#ifndef NO_TVNDX
  H_PUT_16 (abfd, in->x_sym.x_tvndx, ext->x_sym.x_tvndx);
#endif

  if (in_class == C_BLOCK || in_class == C_FCN || ISFCN (type)
      || ISTAG (in_class))
    {
      PUT_FCN_LNNOPTR (abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr, ext);
      PUT_FCN_ENDNDX (abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.u32, ext);
    }
  else
    {
#if DIMNUM != E_DIMNUM
#error we need to cope with truncating or extending DIMNUM
#endif
      H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[0],
	       ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
      H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[1],
	       ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
      H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[2],
	       ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
      H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[3],
	       ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
    }

  if (ISFCN (type))
    H_PUT_32 (abfd, in->x_sym.x_misc.x_fsize, ext->x_sym.x_misc.x_fsize);
  else
    {
      PUT_LNSZ_LNNO (abfd, in->x_sym.x_misc.x_lnsz.x_lnno, ext);
      PUT_LNSZ_SIZE (abfd, in->x_sym.x_misc.x_lnsz.x_size, ext);
    }

 end:
#ifdef COFF_ADJUST_AUX_OUT_POST
  COFF_ADJUST_AUX_OUT_POST (abfd, inp, type, in_class, indx, numaux, extp);
#endif
  return AUXESZ;
}

#endif /* NO_COFF_SYMBOLS */

#ifndef NO_COFF_LINENOS

static void
coff_swap_lineno_in (bfd * abfd, void * ext1, void * in1)
{
  LINENO *ext = (LINENO *) ext1;
  struct internal_lineno *in = (struct internal_lineno *) in1;

  in->l_addr.l_symndx = H_GET_32 (abfd, ext->l_addr.l_symndx);
  in->l_lnno = GET_LINENO_LNNO (abfd, ext);
}

static unsigned int
coff_swap_lineno_out (bfd * abfd, void * inp, void * outp)
{
  struct internal_lineno *in = (struct internal_lineno *) inp;
  struct external_lineno *ext = (struct external_lineno *) outp;
  H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx);

  PUT_LINENO_LNNO (abfd, in->l_lnno, ext);
  return LINESZ;
}

#endif /* NO_COFF_LINENOS */

static void
coff_swap_aouthdr_in (bfd * abfd, void * aouthdr_ext1, void * aouthdr_int1)
{
  AOUTHDR *aouthdr_ext;
  struct internal_aouthdr *aouthdr_int;

  aouthdr_ext = (AOUTHDR *) aouthdr_ext1;
  aouthdr_int = (struct internal_aouthdr *) aouthdr_int1;
  aouthdr_int->magic = H_GET_16 (abfd, aouthdr_ext->magic);
  aouthdr_int->vstamp = H_GET_16 (abfd, aouthdr_ext->vstamp);
  aouthdr_int->tsize = GET_AOUTHDR_TSIZE (abfd, aouthdr_ext->tsize);
  aouthdr_int->dsize = GET_AOUTHDR_DSIZE (abfd, aouthdr_ext->dsize);
  aouthdr_int->bsize = GET_AOUTHDR_BSIZE (abfd, aouthdr_ext->bsize);
  aouthdr_int->entry = GET_AOUTHDR_ENTRY (abfd, aouthdr_ext->entry);
  aouthdr_int->text_start =
    GET_AOUTHDR_TEXT_START (abfd, aouthdr_ext->text_start);
  aouthdr_int->data_start =
    GET_AOUTHDR_DATA_START (abfd, aouthdr_ext->data_start);

#ifdef RS6000COFF_C
#ifdef XCOFF64
  aouthdr_int->o_toc = H_GET_64 (abfd, aouthdr_ext->o_toc);
#else
  aouthdr_int->o_toc = H_GET_32 (abfd, aouthdr_ext->o_toc);
#endif
  aouthdr_int->o_snentry  = H_GET_16 (abfd, aouthdr_ext->o_snentry);
  aouthdr_int->o_sntext   = H_GET_16 (abfd, aouthdr_ext->o_sntext);
  aouthdr_int->o_sndata   = H_GET_16 (abfd, aouthdr_ext->o_sndata);
  aouthdr_int->o_sntoc    = H_GET_16 (abfd, aouthdr_ext->o_sntoc);
  aouthdr_int->o_snloader = H_GET_16 (abfd, aouthdr_ext->o_snloader);
  aouthdr_int->o_snbss    = H_GET_16 (abfd, aouthdr_ext->o_snbss);
  aouthdr_int->o_algntext = H_GET_16 (abfd, aouthdr_ext->o_algntext);
  aouthdr_int->o_algndata = H_GET_16 (abfd, aouthdr_ext->o_algndata);
  aouthdr_int->o_modtype  = H_GET_16 (abfd, aouthdr_ext->o_modtype);
  aouthdr_int->o_cputype  = H_GET_16 (abfd, aouthdr_ext->o_cputype);
#ifdef XCOFF64
  aouthdr_int->o_maxstack = H_GET_64 (abfd, aouthdr_ext->o_maxstack);
  aouthdr_int->o_maxdata  = H_GET_64 (abfd, aouthdr_ext->o_maxdata);
#else
  aouthdr_int->o_maxstack = H_GET_32 (abfd, aouthdr_ext->o_maxstack);
  aouthdr_int->o_maxdata  = H_GET_32 (abfd, aouthdr_ext->o_maxdata);
#endif
#endif

#ifdef MIPSECOFF
  aouthdr_int->bss_start  = H_GET_32 (abfd, aouthdr_ext->bss_start);
  aouthdr_int->gp_value   = H_GET_32 (abfd, aouthdr_ext->gp_value);
  aouthdr_int->gprmask    = H_GET_32 (abfd, aouthdr_ext->gprmask);
  aouthdr_int->cprmask[0] = H_GET_32 (abfd, aouthdr_ext->cprmask[0]);
  aouthdr_int->cprmask[1] = H_GET_32 (abfd, aouthdr_ext->cprmask[1]);
  aouthdr_int->cprmask[2] = H_GET_32 (abfd, aouthdr_ext->cprmask[2]);
  aouthdr_int->cprmask[3] = H_GET_32 (abfd, aouthdr_ext->cprmask[3]);
#endif

#ifdef ALPHAECOFF
  aouthdr_int->bss_start = H_GET_64 (abfd, aouthdr_ext->bss_start);
  aouthdr_int->gp_value  = H_GET_64 (abfd, aouthdr_ext->gp_value);
  aouthdr_int->gprmask   = H_GET_32 (abfd, aouthdr_ext->gprmask);
  aouthdr_int->fprmask   = H_GET_32 (abfd, aouthdr_ext->fprmask);
#endif
}

static unsigned int
coff_swap_aouthdr_out (bfd * abfd, void * in, void * out)
{
  struct internal_aouthdr *aouthdr_in = (struct internal_aouthdr *) in;
  AOUTHDR *aouthdr_out = (AOUTHDR *) out;

  H_PUT_16 (abfd, aouthdr_in->magic, aouthdr_out->magic);
  H_PUT_16 (abfd, aouthdr_in->vstamp, aouthdr_out->vstamp);
  PUT_AOUTHDR_TSIZE (abfd, aouthdr_in->tsize, aouthdr_out->tsize);
  PUT_AOUTHDR_DSIZE (abfd, aouthdr_in->dsize, aouthdr_out->dsize);
  PUT_AOUTHDR_BSIZE (abfd, aouthdr_in->bsize, aouthdr_out->bsize);
  PUT_AOUTHDR_ENTRY (abfd, aouthdr_in->entry, aouthdr_out->entry);
  PUT_AOUTHDR_TEXT_START (abfd, aouthdr_in->text_start,
			  aouthdr_out->text_start);
  PUT_AOUTHDR_DATA_START (abfd, aouthdr_in->data_start,
			  aouthdr_out->data_start);

#ifdef RS6000COFF_C
#ifdef XCOFF64
  H_PUT_64 (abfd, aouthdr_in->o_toc, aouthdr_out->o_toc);
#else
  H_PUT_32 (abfd, aouthdr_in->o_toc, aouthdr_out->o_toc);
#endif
  H_PUT_16 (abfd, aouthdr_in->o_snentry, aouthdr_out->o_snentry);
  H_PUT_16 (abfd, aouthdr_in->o_sntext, aouthdr_out->o_sntext);
  H_PUT_16 (abfd, aouthdr_in->o_sndata, aouthdr_out->o_sndata);
  H_PUT_16 (abfd, aouthdr_in->o_sntoc, aouthdr_out->o_sntoc);
  H_PUT_16 (abfd, aouthdr_in->o_snloader, aouthdr_out->o_snloader);
  H_PUT_16 (abfd, aouthdr_in->o_snbss, aouthdr_out->o_snbss);
  H_PUT_16 (abfd, aouthdr_in->o_algntext, aouthdr_out->o_algntext);
  H_PUT_16 (abfd, aouthdr_in->o_algndata, aouthdr_out->o_algndata);
  H_PUT_16 (abfd, aouthdr_in->o_modtype, aouthdr_out->o_modtype);
  H_PUT_16 (abfd, aouthdr_in->o_cputype, aouthdr_out->o_cputype);
#ifdef XCOFF64
  H_PUT_64 (abfd, aouthdr_in->o_maxstack, aouthdr_out->o_maxstack);
  H_PUT_64 (abfd, aouthdr_in->o_maxdata, aouthdr_out->o_maxdata);
#else
  H_PUT_32 (abfd, aouthdr_in->o_maxstack, aouthdr_out->o_maxstack);
  H_PUT_32 (abfd, aouthdr_in->o_maxdata, aouthdr_out->o_maxdata);
#endif
  /* TODO: set o_*psize dynamically */
  H_PUT_8 (abfd, 0, aouthdr_out->o_textpsize);
  H_PUT_8 (abfd, 0, aouthdr_out->o_datapsize);
  H_PUT_8 (abfd, 0, aouthdr_out->o_stackpsize);
  H_PUT_8 (abfd, aouthdr_in->o_flags, aouthdr_out->o_flags);
  H_PUT_16 (abfd, aouthdr_in->o_sntdata, aouthdr_out->o_sntdata);
  H_PUT_16 (abfd, aouthdr_in->o_sntbss, aouthdr_out->o_sntbss);
  H_PUT_32 (abfd, 0, aouthdr_out->o_debugger);
#ifdef XCOFF64
  H_PUT_16 (abfd, aouthdr_in->o_x64flags, aouthdr_out->o_x64flags);
  memset (aouthdr_out->o_resv3, 0, sizeof aouthdr_out->o_resv3);
#endif
#endif

#ifdef MIPSECOFF
  H_PUT_32 (abfd, aouthdr_in->bss_start, aouthdr_out->bss_start);
  H_PUT_32 (abfd, aouthdr_in->gp_value, aouthdr_out->gp_value);
  H_PUT_32 (abfd, aouthdr_in->gprmask, aouthdr_out->gprmask);
  H_PUT_32 (abfd, aouthdr_in->cprmask[0], aouthdr_out->cprmask[0]);
  H_PUT_32 (abfd, aouthdr_in->cprmask[1], aouthdr_out->cprmask[1]);
  H_PUT_32 (abfd, aouthdr_in->cprmask[2], aouthdr_out->cprmask[2]);
  H_PUT_32 (abfd, aouthdr_in->cprmask[3], aouthdr_out->cprmask[3]);
#endif

#ifdef ALPHAECOFF
  /* FIXME: What does bldrev mean?  */
  H_PUT_16 (abfd, 2, aouthdr_out->bldrev);
  H_PUT_16 (abfd, 0, aouthdr_out->padding);
  H_PUT_64 (abfd, aouthdr_in->bss_start, aouthdr_out->bss_start);
  H_PUT_64 (abfd, aouthdr_in->gp_value, aouthdr_out->gp_value);
  H_PUT_32 (abfd, aouthdr_in->gprmask, aouthdr_out->gprmask);
  H_PUT_32 (abfd, aouthdr_in->fprmask, aouthdr_out->fprmask);
#endif

  return AOUTSZ;
}

ATTRIBUTE_UNUSED
static void
coff_swap_scnhdr_in (bfd * abfd, void * ext, void * in)
{
  SCNHDR *scnhdr_ext = (SCNHDR *) ext;
  struct internal_scnhdr *scnhdr_int = (struct internal_scnhdr *) in;

#ifdef COFF_ADJUST_SCNHDR_IN_PRE
  COFF_ADJUST_SCNHDR_IN_PRE (abfd, ext, in);
#endif
  memcpy (scnhdr_int->s_name, scnhdr_ext->s_name, sizeof (scnhdr_int->s_name));

  scnhdr_int->s_vaddr = GET_SCNHDR_VADDR (abfd, scnhdr_ext->s_vaddr);
  scnhdr_int->s_paddr = GET_SCNHDR_PADDR (abfd, scnhdr_ext->s_paddr);
  scnhdr_int->s_size = GET_SCNHDR_SIZE (abfd, scnhdr_ext->s_size);

  scnhdr_int->s_scnptr = GET_SCNHDR_SCNPTR (abfd, scnhdr_ext->s_scnptr);
  scnhdr_int->s_relptr = GET_SCNHDR_RELPTR (abfd, scnhdr_ext->s_relptr);
  scnhdr_int->s_lnnoptr = GET_SCNHDR_LNNOPTR (abfd, scnhdr_ext->s_lnnoptr);
  scnhdr_int->s_flags = GET_SCNHDR_FLAGS (abfd, scnhdr_ext->s_flags);
  scnhdr_int->s_nreloc = GET_SCNHDR_NRELOC (abfd, scnhdr_ext->s_nreloc);
  scnhdr_int->s_nlnno = GET_SCNHDR_NLNNO (abfd, scnhdr_ext->s_nlnno);
#ifdef COFF_ADJUST_SCNHDR_IN_POST
  COFF_ADJUST_SCNHDR_IN_POST (abfd, ext, in);
#endif
}

ATTRIBUTE_UNUSED
static unsigned int
coff_swap_scnhdr_out (bfd * abfd, void * in, void * out)
{
  struct internal_scnhdr *scnhdr_int = (struct internal_scnhdr *) in;
  SCNHDR *scnhdr_ext = (SCNHDR *) out;
  unsigned int ret = bfd_coff_scnhsz (abfd);

#ifdef COFF_ADJUST_SCNHDR_OUT_PRE
  COFF_ADJUST_SCNHDR_OUT_PRE (abfd, in, out);
#endif
  memcpy (scnhdr_ext->s_name, scnhdr_int->s_name, sizeof (scnhdr_int->s_name));

  PUT_SCNHDR_VADDR (abfd, scnhdr_int->s_vaddr, scnhdr_ext->s_vaddr);
  PUT_SCNHDR_PADDR (abfd, scnhdr_int->s_paddr, scnhdr_ext->s_paddr);
  PUT_SCNHDR_SIZE (abfd, scnhdr_int->s_size, scnhdr_ext->s_size);
  PUT_SCNHDR_SCNPTR (abfd, scnhdr_int->s_scnptr, scnhdr_ext->s_scnptr);
  PUT_SCNHDR_RELPTR (abfd, scnhdr_int->s_relptr, scnhdr_ext->s_relptr);
  PUT_SCNHDR_LNNOPTR (abfd, scnhdr_int->s_lnnoptr, scnhdr_ext->s_lnnoptr);
  PUT_SCNHDR_FLAGS (abfd, scnhdr_int->s_flags, scnhdr_ext->s_flags);
  if (scnhdr_int->s_nlnno <= MAX_SCNHDR_NLNNO)
    PUT_SCNHDR_NLNNO (abfd, scnhdr_int->s_nlnno, scnhdr_ext->s_nlnno);
  else
    {
      char buf[sizeof (scnhdr_int->s_name) + 1];

      memcpy (buf, scnhdr_int->s_name, sizeof (scnhdr_int->s_name));
      buf[sizeof (scnhdr_int->s_name)] = '\0';
      _bfd_error_handler
	/* xgettext:c-format */
	(_("%pB: warning: %s: line number overflow: 0x%lx > 0xffff"),
	 abfd, buf, scnhdr_int->s_nlnno);
      PUT_SCNHDR_NLNNO (abfd, 0xffff, scnhdr_ext->s_nlnno);
    }

  if (scnhdr_int->s_nreloc <= MAX_SCNHDR_NRELOC)
    PUT_SCNHDR_NRELOC (abfd, scnhdr_int->s_nreloc, scnhdr_ext->s_nreloc);
  else
    {
      char buf[sizeof (scnhdr_int->s_name) + 1];

      memcpy (buf, scnhdr_int->s_name, sizeof (scnhdr_int->s_name));
      buf[sizeof (scnhdr_int->s_name)] = '\0';
      /* xgettext:c-format */
      _bfd_error_handler (_("%pB: %s: reloc overflow: 0x%lx > 0xffff"),
			  abfd, buf, scnhdr_int->s_nreloc);
      bfd_set_error (bfd_error_file_truncated);
      PUT_SCNHDR_NRELOC (abfd, 0xffff, scnhdr_ext->s_nreloc);
      ret = 0;
    }

#ifdef COFF_ADJUST_SCNHDR_OUT_POST
  COFF_ADJUST_SCNHDR_OUT_POST (abfd, in, out);
#endif
  return ret;
}