/* BFD library support routines for the Renesas H8/300 architecture.
Copyright (C) 1990-2018 Free Software Foundation, Inc.
Hacked by Steve Chamberlain 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"
static bfd_boolean
h8300_scan (const struct bfd_arch_info *info, const char *string)
{
if (*string != 'h' && *string != 'H')
return FALSE;
string++;
if (*string != '8')
return FALSE;
string++;
if (*string == '/')
string++;
if (*string != '3')
return FALSE;
string++;
if (*string != '0')
return FALSE;
string++;
if (*string != '0')
return FALSE;
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);
}
if (*string == 'h' || *string == 'H')
{
string++;
if (*string == 'n' || *string == 'N')
return (info->mach == bfd_mach_h8300hn);
return (info->mach == bfd_mach_h8300h);
}
else if (*string == 's' || *string == 'S')
{
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);
}
return (info->mach == bfd_mach_h8300s);
}
else
return info->mach == bfd_mach_h8300;
}
/* 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. */
static const bfd_arch_info_type *
compatible (const bfd_arch_info_type *in, const bfd_arch_info_type *out)
{
if (in->arch != out->arch)
return 0;
if (in->mach == bfd_mach_h8300sx && out->mach == bfd_mach_h8300s)
return in;
if (in->mach == bfd_mach_h8300s && out->mach == bfd_mach_h8300sx)
return out;
if (in->mach == bfd_mach_h8300sxn && out->mach == bfd_mach_h8300sn)
return in;
if (in->mach == bfd_mach_h8300sn && out->mach == bfd_mach_h8300sxn)
return out;
/* It's really not a good idea to mix and match modes. */
if (in->mach != out->mach)
return 0;
else
return in;
}
static const bfd_arch_info_type h8300sxn_info_struct =
{
32, /* 32 bits in a word */
16, /* 16 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,
bfd_arch_default_fill,
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,
bfd_arch_default_fill,
&h8300sxn_info_struct
};
static const bfd_arch_info_type h8300sn_info_struct =
{
32, /* 32 bits in a word. */
16, /* 16 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,
bfd_arch_default_fill,
&h8300sx_info_struct
};
static const bfd_arch_info_type h8300hn_info_struct =
{
32, /* 32 bits in a word. */
16, /* 16 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,
bfd_arch_default_fill,
&h8300sn_info_struct
};
static const bfd_arch_info_type h8300s_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_h8300s,
"h8300s", /* Architecture name. */
"h8300s", /* Printable name. */
1,
FALSE, /* The default machine. */
compatible,
h8300_scan,
bfd_arch_default_fill,
& h8300hn_info_struct
};
static const bfd_arch_info_type h8300h_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_h8300h,
"h8300h", /* Architecture name. */
"h8300h", /* Printable name. */
1,
FALSE, /* The default machine. */
compatible,
h8300_scan,
bfd_arch_default_fill,
&h8300s_info_struct
};
const bfd_arch_info_type bfd_h8300_arch =
{
16, /* 16 bits in a word. */
16, /* 16 bits in an address. */
8, /* 8 bits in a byte. */
bfd_arch_h8300,
bfd_mach_h8300,
"h8300", /* Architecture name. */
"h8300", /* Printable name. */
1,
TRUE, /* The default machine. */
compatible,
h8300_scan,
bfd_arch_default_fill,
&h8300h_info_struct
};
/* Pad the given address to 32 bits, converting 16-bit and 24-bit
addresses into the values they would have had on a h8s target. */
bfd_vma
bfd_h8300_pad_address (bfd *abfd, bfd_vma address)
{
/* Cope with bfd_vma's larger than 32 bits. */
address &= 0xffffffffu;
switch (bfd_get_mach (abfd))
{
case bfd_mach_h8300:
case bfd_mach_h8300hn:
case bfd_mach_h8300sn:
case bfd_mach_h8300sxn:
/* Sign extend a 16-bit address. */
if (address >= 0x8000)
return address | 0xffff0000u;
return address;
case bfd_mach_h8300h:
/* Sign extend a 24-bit address. */
if (address >= 0x800000)
return address | 0xff000000u;
return address;
case bfd_mach_h8300s:
case bfd_mach_h8300sx:
return address;
default:
abort ();
}
}