binutils-gdb/bfd/cpu-h8300.c

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/* BFD library support routines for the Renesas H8/300 architecture.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 2000, 2001, 2002, 2003
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Free Software Foundation, Inc.
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Hacked by Steve Chamberlain of Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
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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 2 of the License, or
(at your option) any later version.
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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.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
static bfd_boolean h8300_scan
PARAMS ((const struct bfd_arch_info *, const char *));
static const bfd_arch_info_type * compatible
PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
static bfd_boolean
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h8300_scan (info, string)
const struct bfd_arch_info *info;
const char *string;
{
if (*string != 'h' && *string != 'H')
return FALSE;
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string++;
if (*string != '8')
return FALSE;
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string++;
if (*string == '/')
string++;
if (*string != '3')
return FALSE;
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string++;
if (*string != '0')
return FALSE;
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string++;
if (*string != '0')
return FALSE;
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string++;
if (*string == '-')
string++;
/* In ELF linker scripts, we typically express the architecture/machine
as architecture:machine.
So if we've matched so far and encounter a colon, try to match the
string following the colon. */
if (*string == ':')
{
string++;
return h8300_scan (info, string);
}
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if (*string == 'h' || *string == 'H')
{
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string++;
if (*string == 'n' || *string == 'N')
return (info->mach == bfd_mach_h8300hn);
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return (info->mach == bfd_mach_h8300h);
}
else if (*string == 's' || *string == 'S')
{
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string++;
if (*string == 'n' || *string == 'N')
return (info->mach == bfd_mach_h8300sn);
if (*string == 'x' || *string == 'X')
{
string++;
if (*string == 'n' || *string == 'N')
return (info->mach == bfd_mach_h8300sxn);
return (info->mach == bfd_mach_h8300sx);
}
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return (info->mach == bfd_mach_h8300s);
}
else
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return info->mach == bfd_mach_h8300;
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}
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/* This routine is provided two arch_infos and works out the machine
which would be compatible with both and returns a pointer to its
info structure. */
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static const bfd_arch_info_type *
compatible (in, out)
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const bfd_arch_info_type *in;
const bfd_arch_info_type *out;
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{
/* It's really not a good idea to mix and match modes. */
if (in->arch != out->arch || in->mach != out->mach)
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return 0;
else
return in;
}
static const bfd_arch_info_type h8300sxn_info_struct =
{
32, /* 32 bits in a word */
32, /* 32 bits in an address */
8, /* 8 bits in a byte */
bfd_arch_h8300,
bfd_mach_h8300sxn,
"h8300sxn", /* arch_name */
"h8300sxn", /* printable name */
1,
FALSE, /* the default machine */
compatible,
h8300_scan,
0
};
static const bfd_arch_info_type h8300sx_info_struct =
{
32, /* 32 bits in a word */
32, /* 32 bits in an address */
8, /* 8 bits in a byte */
bfd_arch_h8300,
bfd_mach_h8300sx,
"h8300sx", /* arch_name */
"h8300sx", /* printable name */
1,
FALSE, /* the default machine */
compatible,
h8300_scan,
&h8300sxn_info_struct
};
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static const bfd_arch_info_type h8300sn_info_struct =
{
32, /* 32 bits in a word. */
32, /* 32 bits in an address. */
8, /* 8 bits in a byte. */
bfd_arch_h8300,
bfd_mach_h8300sn,
"h8300sn", /* Architecture name. */
"h8300sn", /* Printable name. */
1,
FALSE, /* The default machine. */
compatible,
h8300_scan,
&h8300sx_info_struct
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};
static const bfd_arch_info_type h8300hn_info_struct =
{
32, /* 32 bits in a word. */
32, /* 32 bits in an address. */
8, /* 8 bits in a byte. */
bfd_arch_h8300,
bfd_mach_h8300hn,
"h8300hn", /* Architecture name. */
"h8300hn", /* Printable name. */
1,
FALSE, /* The default machine. */
compatible,
h8300_scan,
&h8300sn_info_struct
};
static const bfd_arch_info_type h8300s_info_struct =
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{
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32, /* 32 bits in a word. */
32, /* 32 bits in an address. */
8, /* 8 bits in a byte. */
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bfd_arch_h8300,
bfd_mach_h8300s,
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"h8300s", /* Architecture name. */
"h8300s", /* Printable name. */
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1,
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FALSE, /* The default machine. */
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compatible,
h8300_scan,
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& h8300hn_info_struct
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};
static const bfd_arch_info_type h8300h_info_struct =
{
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32, /* 32 bits in a word. */
32, /* 32 bits in an address. */
8, /* 8 bits in a byte. */
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bfd_arch_h8300,
bfd_mach_h8300h,
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"h8300h", /* Architecture name. */
"h8300h", /* Printable name. */
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1,
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FALSE, /* The default machine. */
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compatible,
h8300_scan,
&h8300s_info_struct
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};
const bfd_arch_info_type bfd_h8300_arch =
{
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16, /* 16 bits in a word. */
16, /* 16 bits in an address. */
8, /* 8 bits in a byte. */
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bfd_arch_h8300,
bfd_mach_h8300,
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"h8300", /* Architecture name. */
"h8300", /* Printable name. */
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1,
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TRUE, /* The default machine. */
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compatible,
h8300_scan,
&h8300h_info_struct
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};