bfd/cpu-rs6000.c

   1 /* BFD back-end for rs6000 support
   2    Copyright 1990, 1991, 1993, 1995, 2000, 2002, 2003, 2005, 2007, 2012
   3    Free Software Foundation, Inc.
   4    Written by Mimi Phuong-Thao Vo of IBM
   5    and John Gilmore of Cygnus Support.
   6
   7    This file is part of BFD, the Binary File Descriptor library.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  22    MA 02110-1301, USA.  */
  23
  24 #include "sysdep.h"
  25 #include "bfd.h"
  26 #include "libbfd.h"
  27
  28 /* The RS/6000 architecture is compatible with the PowerPC common
  29    architecture.  */
  30
  31 static const bfd_arch_info_type *
  32 rs6000_compatible (const bfd_arch_info_type *a,
  33                    const bfd_arch_info_type *b)
  34 {
  35   BFD_ASSERT (a->arch == bfd_arch_rs6000);
  36   switch (b->arch)
  37     {
  38     default:
  39       return NULL;
  40     case bfd_arch_rs6000:
  41       return bfd_default_compatible (a, b);
  42     case bfd_arch_powerpc:
  43       if (a->mach == bfd_mach_rs6k)
  44         return b;
  45       return NULL;
  46     }
  47   /*NOTREACHED*/
  48 }
  49
  50 static const bfd_arch_info_type arch_info_struct[] =
  51 {
  52   {
  53     32, /* 32 bits in a word */
  54     32, /* 32 bits in an address */
  55     8,  /* 8 bits in a byte */
  56     bfd_arch_rs6000,
  57     bfd_mach_rs6k_rs1,
  58     "rs6000",
  59     "rs6000:rs1",
  60     3,
  61     FALSE, /* not the default */
  62     rs6000_compatible,
  63     bfd_default_scan,
  64     bfd_arch_default_fill,
  65     &arch_info_struct[1]
  66   },
  67   {
  68     32, /* 32 bits in a word */
  69     32, /* 32 bits in an address */
  70     8,  /* 8 bits in a byte */
  71     bfd_arch_rs6000,
  72     bfd_mach_rs6k_rsc,
  73     "rs6000",
  74     "rs6000:rsc",
  75     3,
  76     FALSE, /* not the default */
  77     rs6000_compatible,
  78     bfd_default_scan,
  79     bfd_arch_default_fill,
  80     &arch_info_struct[2]
  81   },
  82   {
  83     32, /* 32 bits in a word */
  84     32, /* 32 bits in an address */
  85     8,  /* 8 bits in a byte */
  86     bfd_arch_rs6000,
  87     bfd_mach_rs6k_rs2,
  88     "rs6000",
  89     "rs6000:rs2",
  90     3,
  91     FALSE, /* not the default */
  92     rs6000_compatible,
  93     bfd_default_scan,
  94     bfd_arch_default_fill,
  95     0
  96   }
  97 };
  98
  99 const bfd_arch_info_type bfd_rs6000_arch =
 100   {
 101     32, /* 32 bits in a word */
 102     32, /* 32 bits in an address */
 103     8,  /* 8 bits in a byte */
 104     bfd_arch_rs6000,
 105     bfd_mach_rs6k,      /* POWER common architecture */
 106     "rs6000",
 107     "rs6000:6000",
 108     3,
 109     TRUE, /* the default */
 110     rs6000_compatible,
 111     bfd_default_scan,
 112     bfd_arch_default_fill,
 113     &arch_info_struct[0]
 114   };