mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-03 04:12:10 +08:00
269 lines
6.6 KiB
C
269 lines
6.6 KiB
C
/* BFD library support routines for the Renesas H8/300 architecture.
|
|
Copyright (C) 1990-2017 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 ();
|
|
}
|
|
}
|