bfd/coffswap.c

   1 /* Byte-swapping routines for COFF files */
   2
   3 /* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
   4
   5 This file is part of BFD, the Binary File Diddler.
   6
   7 BFD is free software; you can redistribute it and/or modify it under the
   8    terms of the GNU General Public License as published by the Free Software
   9    Foundation; either version 1, or (at your option) any later version.
  10
  11 BFD is distributed in the hope that it will be useful, but WITHOUT ANY
  12    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  13    FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  14    details.
  15
  16 You should have received a copy of the GNU General Public License along with
  17    BFD; see the file COPYING.  If not, write to the Free Software Foundation,
  18    675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 /* Most of this hacked by Steve Chamberlain, steve@cygnus.com */
  22 #if 0
  23 #include <ansidecl.h>
  24 #include "intel-coff.h"
  25 #include "bfd.h"
  26 #include "libcoff.h"            /* to allow easier abstraction-breaking */
  27
  28 #define sp(x) bfd_h_put_x(abfd, x, &x)
  29
  30 /* All the generic swapping routines:
  31
  32 FIXME
  33    These routines cater for the sizes and alignments and offsets of
  34    all the contained fields. Because of this, the fields can change
  35    size, so these should be phased out to use the ones specific to the
  36    file format.
  37  */
  38
  39 void
  40 DEFUN(bfd_coff_swap_name,(abfd, ptr),
  41       bfd            *abfd AND
  42       long           *ptr)
  43 {
  44     if (ptr[0] == 0) {
  45         /* There is an index which needs to be swapped */
  46         bfd_h_put_x(abfd, ptr[1], (ptr + 1));
  47     }
  48     else {
  49         /* This is a string .. leave it alone */
  50     }
  51 }
  52
  53 void
  54 DEFUN(bfd_coff_swap_sym,(abfd, se),
  55       bfd            *abfd AND
  56       struct internal_syment      *se)
  57 {
  58     bfd_coff_swap_name(abfd, (long*)(se->n_name));
  59     bfd_h_put_x(abfd, se->n_value, &se->n_value);
  60     bfd_h_put_x(abfd, se->n_scnum, &se->n_scnum);
  61     bfd_h_put_x(abfd, se->n_type, &se->n_type);
  62     bfd_h_put_x(abfd, se->n_sclass, &se->n_sclass);
  63     bfd_h_put_x(abfd, se->n_numaux, &se->n_numaux);
  64 }
  65
  66 void
  67 DEFUN(bfd_coff_swap_aux,(abfd, au, type, class),
  68       bfd            *abfd AND
  69       struct internal_auxent    *au AND
  70       int             type AND
  71       int             class)
  72 {
  73     switch (class) {
  74     case C_FILE:
  75         bfd_coff_swap_name(abfd, (long *)(&au->x_file.x_n));
  76         break;
  77     case C_STAT:
  78 #ifdef C_LEAFSTAT
  79     case C_LEAFSTAT:
  80 #endif
  81     case C_HIDDEN:
  82         if (type == T_NULL) {
  83             sp(au->x_scn.x_scnlen);
  84             sp(au->x_scn.x_nreloc);
  85             sp(au->x_scn.x_nlinno);
  86             break;
  87         }
  88     default:
  89         sp(au->x_sym.x_tagndx);
  90         sp(au->x_sym.x_tvndx);
  91
  92         if (ISARY(type) || class == C_BLOCK) {
  93             sp(au->x_sym.x_fcnary.x_ary.x_dimen[0]);
  94             sp(au->x_sym.x_fcnary.x_ary.x_dimen[1]);
  95             sp(au->x_sym.x_fcnary.x_ary.x_dimen[2]);
  96             sp(au->x_sym.x_fcnary.x_ary.x_dimen[3]);
  97         }
  98         else {
  99             sp(au->x_sym.x_fcnary.x_fcn.x_lnnoptr);
 100             sp(au->x_sym.x_fcnary.x_fcn.x_endndx);
 101         }
 102         if (ISFCN(type)) {
 103             sp(au->x_sym.x_misc.x_fsize);
 104         }
 105         else {
 106             sp(au->x_sym.x_misc.x_lnsz.x_lnno);
 107             sp(au->x_sym.x_misc.x_lnsz.x_size);
 108         }
 109     }
 110 }
 111
 112 void
 113 DEFUN(bfd_coff_swap_lineno,(abfd, lineno),
 114       bfd            *abfd AND
 115       struct internal_lineno      *lineno)
 116 {
 117     sp(lineno->l_addr.l_symndx);
 118     sp(lineno->l_lnno);
 119 }
 120
 121
 122
 123 #endif