bfd/cpu-rs6000.c

   1 /* BFD back-end for rs6000 support
   2    Copyright (C) 1990-2019 Free Software Foundation, Inc.
   3    Written by Mimi Phuong-Thao Vo of IBM
   4    and John Gilmore of Cygnus Support.
   5
   6    This file is part of BFD, the Binary File Descriptor library.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  21    MA 02110-1301, USA.  */
  22
  23 #include "sysdep.h"
  24 #include "bfd.h"
  25 #include "libbfd.h"
  26
  27 /* The RS/6000 architecture is compatible with the PowerPC common
  28    architecture.  */
  29
  30 static const bfd_arch_info_type *
  31 rs6000_compatible (const bfd_arch_info_type *a,
  32                    const bfd_arch_info_type *b)
  33 {
  34   BFD_ASSERT (a->arch == bfd_arch_rs6000);
  35   switch (b->arch)
  36     {
  37     default:
  38       return NULL;
  39     case bfd_arch_rs6000:
  40       return bfd_default_compatible (a, b);
  41     case bfd_arch_powerpc:
  42       if (a->mach == bfd_mach_rs6k)
  43         return b;
  44       return NULL;
  45     }
  46   /*NOTREACHED*/
  47 }
  48
  49 static const bfd_arch_info_type arch_info_struct[] =
  50 {
  51   {
  52     32, /* 32 bits in a word */
  53     32, /* 32 bits in an address */
  54     8,  /* 8 bits in a byte */
  55     bfd_arch_rs6000,
  56     bfd_mach_rs6k_rs1,
  57     "rs6000",
  58     "rs6000:rs1",
  59     3,
  60     FALSE, /* not the default */
  61     rs6000_compatible,
  62     bfd_default_scan,
  63     bfd_arch_default_fill,
  64     &arch_info_struct[1]
  65   },
  66   {
  67     32, /* 32 bits in a word */
  68     32, /* 32 bits in an address */
  69     8,  /* 8 bits in a byte */
  70     bfd_arch_rs6000,
  71     bfd_mach_rs6k_rsc,
  72     "rs6000",
  73     "rs6000:rsc",
  74     3,
  75     FALSE, /* not the default */
  76     rs6000_compatible,
  77     bfd_default_scan,
  78     bfd_arch_default_fill,
  79     &arch_info_struct[2]
  80   },
  81   {
  82     32, /* 32 bits in a word */
  83     32, /* 32 bits in an address */
  84     8,  /* 8 bits in a byte */
  85     bfd_arch_rs6000,
  86     bfd_mach_rs6k_rs2,
  87     "rs6000",
  88     "rs6000:rs2",
  89     3,
  90     FALSE, /* not the default */
  91     rs6000_compatible,
  92     bfd_default_scan,
  93     bfd_arch_default_fill,
  94     0
  95   }
  96 };
  97
  98 const bfd_arch_info_type bfd_rs6000_arch =
  99   {
 100     32, /* 32 bits in a word */
 101     32, /* 32 bits in an address */
 102     8,  /* 8 bits in a byte */
 103     bfd_arch_rs6000,
 104     bfd_mach_rs6k,      /* POWER common architecture */
 105     "rs6000",
 106     "rs6000:6000",
 107     3,
 108     TRUE, /* the default */
 109     rs6000_compatible,
 110     bfd_default_scan,
 111     bfd_arch_default_fill,
 112     &arch_info_struct[0]
 113   };