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 static const bfd_arch_info_type arch_info_struct[] =
  57 {
  58   {
  59     32, /* 32 bits in a word */
  60     32, /* 32 bits in an address */
  61     8,  /* 8 bits in a byte */
  62     bfd_arch_rs6000,
  63     bfd_mach_rs6k_rs1,
  64     "rs6000",
  65     "rs6000:rs1",
  66     3,
  67     false, /* not the default */
  68     rs6000_compatible,
  69     bfd_default_scan,
  70     &arch_info_struct[1]
  71   },
  72   {
  73     32, /* 32 bits in a word */
  74     32, /* 32 bits in an address */
  75     8,  /* 8 bits in a byte */
  76     bfd_arch_rs6000,
  77     bfd_mach_rs6k_rsc,
  78     "rs6000",
  79     "rs6000:rsc",
  80     3,
  81     false, /* not the default */
  82     rs6000_compatible,
  83     bfd_default_scan,
  84     &arch_info_struct[2]
  85   },
  86   {
  87     32, /* 32 bits in a word */
  88     32, /* 32 bits in an address */
  89     8,  /* 8 bits in a byte */
  90     bfd_arch_rs6000,
  91     bfd_mach_rs6k_rs2,
  92     "rs6000",
  93     "rs6000:rs2",
  94     3,
  95     false, /* not the default */
  96     rs6000_compatible,
  97     bfd_default_scan,
  98     0
  99   }
 100 };
 101
 102 const bfd_arch_info_type bfd_rs6000_arch =
 103   {
 104     32, /* 32 bits in a word */
 105     32, /* 32 bits in an address */
 106     8,  /* 8 bits in a byte */
 107     bfd_arch_rs6000,
 108     bfd_mach_rs6k,      /* POWER common architecture */
 109     "rs6000",
 110     "rs6000:6000",
 111     3,
 112     true, /* the default */
 113     rs6000_compatible,
 114     bfd_default_scan,
 115     &arch_info_struct[0]
 116   };