Retro68/binutils/bfd/cpu-rs6000.c

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/* BFD back-end for rs6000 support
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Copyright (C) 1990-2017 Free Software Foundation, Inc.
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Written by Mimi Phuong-Thao Vo of IBM
and John Gilmore of Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "sysdep.h"
#include "bfd.h"
#include "libbfd.h"
/* The RS/6000 architecture is compatible with the PowerPC common
architecture. */
static const bfd_arch_info_type *
rs6000_compatible (const bfd_arch_info_type *a,
const bfd_arch_info_type *b)
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{
BFD_ASSERT (a->arch == bfd_arch_rs6000);
switch (b->arch)
{
default:
return NULL;
case bfd_arch_rs6000:
return bfd_default_compatible (a, b);
case bfd_arch_powerpc:
if (a->mach == bfd_mach_rs6k)
return b;
return NULL;
}
/*NOTREACHED*/
}
static const bfd_arch_info_type arch_info_struct[] =
{
{
32, /* 32 bits in a word */
32, /* 32 bits in an address */
8, /* 8 bits in a byte */
bfd_arch_rs6000,
bfd_mach_rs6k_rs1,
"rs6000",
"rs6000:rs1",
3,
FALSE, /* not the default */
rs6000_compatible,
bfd_default_scan,
bfd_arch_default_fill,
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&arch_info_struct[1]
},
{
32, /* 32 bits in a word */
32, /* 32 bits in an address */
8, /* 8 bits in a byte */
bfd_arch_rs6000,
bfd_mach_rs6k_rsc,
"rs6000",
"rs6000:rsc",
3,
FALSE, /* not the default */
rs6000_compatible,
bfd_default_scan,
bfd_arch_default_fill,
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&arch_info_struct[2]
},
{
32, /* 32 bits in a word */
32, /* 32 bits in an address */
8, /* 8 bits in a byte */
bfd_arch_rs6000,
bfd_mach_rs6k_rs2,
"rs6000",
"rs6000:rs2",
3,
FALSE, /* not the default */
rs6000_compatible,
bfd_default_scan,
bfd_arch_default_fill,
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0
}
};
const bfd_arch_info_type bfd_rs6000_arch =
{
32, /* 32 bits in a word */
32, /* 32 bits in an address */
8, /* 8 bits in a byte */
bfd_arch_rs6000,
bfd_mach_rs6k, /* POWER common architecture */
"rs6000",
"rs6000:6000",
3,
TRUE, /* the default */
rs6000_compatible,
bfd_default_scan,
bfd_arch_default_fill,
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&arch_info_struct[0]
};