bfd/cpu-rs6000.c

   1 /* BFD back-end for rs6000 support
   2    Copyright (C) 1990, 1991 Free Software Foundation, Inc.
   3    FIXME: Can someone provide a transliteration of this name into ASCII?
   4    Using the following chars caused a compiler warning on HIUX (so I replaced
   5    them with octal escapes), and isn't useful without an understanding of what
   6    character set it is.
   7    Written by Mimi Ph\373\364ng-Th\345o V\365 of IBM
   8    and John Gilmore of Cygnus Support.
   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 "bfd.h"
  27 #include "sysdep.h"
  28 #include "libbfd.h"
  29
  30 /* The RS/6000 architecture is compatible with the PowerPC common
  31    architecture.  */
  32
  33 static const bfd_arch_info_type *rs6000_compatible
  34   PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
  35
  36 static const bfd_arch_info_type *
  37 rs6000_compatible (a,b)
  38      const bfd_arch_info_type *a;
  39      const bfd_arch_info_type *b;
  40 {
  41   BFD_ASSERT (a->arch == bfd_arch_rs6000);
  42   switch (b->arch)
  43     {
  44     default:
  45       return NULL;
  46     case bfd_arch_rs6000:
  47       return bfd_default_compatible (a, b);
  48     case bfd_arch_powerpc:
  49       if (b->mach == 0)
  50         return b;
  51       return NULL;
  52     }
  53   /*NOTREACHED*/
  54 }
  55
  56 const bfd_arch_info_type bfd_rs6000_arch =
  57   {
  58     32, /* 32 bits in a word */
  59     32, /* 32 bits in an address */
  60     8,  /* 8 bits in a byte */
  61     bfd_arch_rs6000,
  62     6000,       /* only 1 machine */
  63     "rs6000",
  64     "rs6000:6000",
  65     3,
  66     true, /* the one and only */
  67     rs6000_compatible,
  68     bfd_default_scan,
  69     0,
  70   };