269 lines
6.6 KiB
C
269 lines
6.6 KiB
C
/* BFD library support routines for the Renesas H8/300 architecture.
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Copyright (C) 1990-2015 Free Software Foundation, Inc.
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Hacked by Steve Chamberlain of Cygnus Support.
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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
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "sysdep.h"
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#include "bfd.h"
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#include "libbfd.h"
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static bfd_boolean
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h8300_scan (const struct bfd_arch_info *info, const char *string)
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{
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if (*string != 'h' && *string != 'H')
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return FALSE;
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string++;
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if (*string != '8')
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return FALSE;
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string++;
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if (*string == '/')
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string++;
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if (*string != '3')
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return FALSE;
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string++;
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if (*string != '0')
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return FALSE;
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string++;
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if (*string != '0')
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return FALSE;
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string++;
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if (*string == '-')
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string++;
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/* In ELF linker scripts, we typically express the architecture/machine
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as architecture:machine.
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So if we've matched so far and encounter a colon, try to match the
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string following the colon. */
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if (*string == ':')
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{
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string++;
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return h8300_scan (info, string);
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}
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if (*string == 'h' || *string == 'H')
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{
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string++;
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if (*string == 'n' || *string == 'N')
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return (info->mach == bfd_mach_h8300hn);
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return (info->mach == bfd_mach_h8300h);
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}
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else if (*string == 's' || *string == 'S')
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{
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string++;
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if (*string == 'n' || *string == 'N')
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return (info->mach == bfd_mach_h8300sn);
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if (*string == 'x' || *string == 'X')
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{
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string++;
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if (*string == 'n' || *string == 'N')
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return (info->mach == bfd_mach_h8300sxn);
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return (info->mach == bfd_mach_h8300sx);
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}
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return (info->mach == bfd_mach_h8300s);
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}
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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
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which would be compatible with both and returns a pointer to its
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info structure. */
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static const bfd_arch_info_type *
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compatible (const bfd_arch_info_type *in, const bfd_arch_info_type *out)
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{
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if (in->arch != out->arch)
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return 0;
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if (in->mach == bfd_mach_h8300sx && out->mach == bfd_mach_h8300s)
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return in;
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if (in->mach == bfd_mach_h8300s && out->mach == bfd_mach_h8300sx)
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return out;
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if (in->mach == bfd_mach_h8300sxn && out->mach == bfd_mach_h8300sn)
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return in;
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if (in->mach == bfd_mach_h8300sn && out->mach == bfd_mach_h8300sxn)
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return out;
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/* It's really not a good idea to mix and match modes. */
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if (in->mach != out->mach)
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return 0;
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else
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return in;
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}
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static const bfd_arch_info_type h8300sxn_info_struct =
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{
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32, /* 32 bits in a word */
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16, /* 16 bits in an address */
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8, /* 8 bits in a byte */
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bfd_arch_h8300,
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bfd_mach_h8300sxn,
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"h8300sxn", /* arch_name */
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"h8300sxn", /* printable name */
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1,
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FALSE, /* the default machine */
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compatible,
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h8300_scan,
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bfd_arch_default_fill,
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0
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};
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static const bfd_arch_info_type h8300sx_info_struct =
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{
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32, /* 32 bits in a word */
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32, /* 32 bits in an address */
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8, /* 8 bits in a byte */
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bfd_arch_h8300,
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bfd_mach_h8300sx,
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"h8300sx", /* arch_name */
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"h8300sx", /* printable name */
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1,
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FALSE, /* the default machine */
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compatible,
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h8300_scan,
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bfd_arch_default_fill,
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&h8300sxn_info_struct
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};
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static const bfd_arch_info_type h8300sn_info_struct =
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{
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32, /* 32 bits in a word. */
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16, /* 16 bits in an address. */
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8, /* 8 bits in a byte. */
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bfd_arch_h8300,
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bfd_mach_h8300sn,
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"h8300sn", /* Architecture name. */
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"h8300sn", /* Printable name. */
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1,
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FALSE, /* The default machine. */
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compatible,
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h8300_scan,
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bfd_arch_default_fill,
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&h8300sx_info_struct
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};
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static const bfd_arch_info_type h8300hn_info_struct =
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{
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32, /* 32 bits in a word. */
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16, /* 16 bits in an address. */
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8, /* 8 bits in a byte. */
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bfd_arch_h8300,
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bfd_mach_h8300hn,
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"h8300hn", /* Architecture name. */
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"h8300hn", /* Printable name. */
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1,
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FALSE, /* The default machine. */
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compatible,
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h8300_scan,
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bfd_arch_default_fill,
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&h8300sn_info_struct
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};
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static const bfd_arch_info_type h8300s_info_struct =
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{
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32, /* 32 bits in a word. */
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32, /* 32 bits in an address. */
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8, /* 8 bits in a byte. */
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bfd_arch_h8300,
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bfd_mach_h8300s,
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"h8300s", /* Architecture name. */
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"h8300s", /* Printable name. */
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1,
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FALSE, /* The default machine. */
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compatible,
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h8300_scan,
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bfd_arch_default_fill,
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& h8300hn_info_struct
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};
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static const bfd_arch_info_type h8300h_info_struct =
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{
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32, /* 32 bits in a word. */
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32, /* 32 bits in an address. */
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8, /* 8 bits in a byte. */
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bfd_arch_h8300,
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bfd_mach_h8300h,
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"h8300h", /* Architecture name. */
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"h8300h", /* Printable name. */
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1,
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FALSE, /* The default machine. */
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compatible,
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h8300_scan,
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bfd_arch_default_fill,
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&h8300s_info_struct
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};
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const bfd_arch_info_type bfd_h8300_arch =
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{
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16, /* 16 bits in a word. */
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16, /* 16 bits in an address. */
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8, /* 8 bits in a byte. */
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bfd_arch_h8300,
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bfd_mach_h8300,
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"h8300", /* Architecture name. */
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"h8300", /* Printable name. */
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1,
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TRUE, /* The default machine. */
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compatible,
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h8300_scan,
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bfd_arch_default_fill,
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&h8300h_info_struct
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};
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/* Pad the given address to 32 bits, converting 16-bit and 24-bit
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addresses into the values they would have had on a h8s target. */
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bfd_vma
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bfd_h8300_pad_address (bfd *abfd, bfd_vma address)
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{
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/* Cope with bfd_vma's larger than 32 bits. */
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address &= 0xffffffffu;
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switch (bfd_get_mach (abfd))
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{
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case bfd_mach_h8300:
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case bfd_mach_h8300hn:
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case bfd_mach_h8300sn:
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case bfd_mach_h8300sxn:
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/* Sign extend a 16-bit address. */
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if (address >= 0x8000)
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return address | 0xffff0000u;
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return address;
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case bfd_mach_h8300h:
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/* Sign extend a 24-bit address. */
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if (address >= 0x800000)
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return address | 0xff000000u;
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return address;
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case bfd_mach_h8300s:
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case bfd_mach_h8300sx:
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return address;
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default:
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abort ();
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}
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}
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