gnu/dist/gdb6/bfd/cpu-rs6000.c

   1 /* BFD back-end for rs6000 support
   2    Copyright 1990, 1991, 1993, 1995, 2000, 2002, 2003
   3    Free Software Foundation, Inc.
   4    FIXME: Can someone provide a transliteration of this name into ASCII?
   5    Using the following chars caused a compiler warning on HIUX (so I replaced
   6    them with octal escapes), and isn't useful without an understanding of what
   7    character set it is.
   8    Written by Mimi Ph\373\364ng-Th\345o V\365 of IBM
   9    and John Gilmore of Cygnus Support.
  10
  11 This file is part of BFD, the Binary File Descriptor library.
  12
  13 This program is free software; you can redistribute it and/or modify
  14 it under the terms of the GNU General Public License as published by
  15 the Free Software Foundation; either version 2 of the License, or
  16 (at your option) any later version.
  17
  18 This program is distributed in the hope that it will be useful,
  19 but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 GNU General Public License for more details.
  22
  23 You should have received a copy of the GNU General Public License
  24 along with this program; if not, write to the Free Software
  25 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  26
  27 #include "bfd.h"
  28 #include "sysdep.h"
  29 #include "libbfd.h"
  30
  31 /* The RS/6000 architecture is compatible with the PowerPC common
  32    architecture.  */
  33
  34 static const bfd_arch_info_type *rs6000_compatible
  35   PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
  36
  37 static const bfd_arch_info_type *
  38 rs6000_compatible (a,b)
  39      const bfd_arch_info_type *a;
  40      const bfd_arch_info_type *b;
  41 {
  42   BFD_ASSERT (a->arch == bfd_arch_rs6000);
  43   switch (b->arch)
  44     {
  45     default:
  46       return NULL;
  47     case bfd_arch_rs6000:
  48       return bfd_default_compatible (a, b);
  49     case bfd_arch_powerpc:
  50       if (a->mach == bfd_mach_rs6k)
  51         return b;
  52       return NULL;
  53     }
  54   /*NOTREACHED*/
  55 }
  56
  57 static const bfd_arch_info_type arch_info_struct[] =
  58 {
  59   {
  60     32, /* 32 bits in a word */
  61     32, /* 32 bits in an address */
  62     8,  /* 8 bits in a byte */
  63     bfd_arch_rs6000,
  64     bfd_mach_rs6k_rs1,
  65     "rs6000",
  66     "rs6000:rs1",
  67     3,
  68     FALSE, /* not the default */
  69     rs6000_compatible,
  70     bfd_default_scan,
  71     &arch_info_struct[1]
  72   },
  73   {
  74     32, /* 32 bits in a word */
  75     32, /* 32 bits in an address */
  76     8,  /* 8 bits in a byte */
  77     bfd_arch_rs6000,
  78     bfd_mach_rs6k_rsc,
  79     "rs6000",
  80     "rs6000:rsc",
  81     3,
  82     FALSE, /* not the default */
  83     rs6000_compatible,
  84     bfd_default_scan,
  85     &arch_info_struct[2]
  86   },
  87   {
  88     32, /* 32 bits in a word */
  89     32, /* 32 bits in an address */
  90     8,  /* 8 bits in a byte */
  91     bfd_arch_rs6000,
  92     bfd_mach_rs6k_rs2,
  93     "rs6000",
  94     "rs6000:rs2",
  95     3,
  96     FALSE, /* not the default */
  97     rs6000_compatible,
  98     bfd_default_scan,
  99     0
 100   }
 101 };
 102
 103 const bfd_arch_info_type bfd_rs6000_arch =
 104   {
 105     32, /* 32 bits in a word */
 106     32, /* 32 bits in an address */
 107     8,  /* 8 bits in a byte */
 108     bfd_arch_rs6000,
 109     bfd_mach_rs6k,      /* POWER common architecture */
 110     "rs6000",
 111     "rs6000:6000",
 112     3,
 113     TRUE, /* the default */
 114     rs6000_compatible,
 115     bfd_default_scan,
 116     &arch_info_struct[0]
 117   };