binutils-gdb/bfd/cpu-h8500.c

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1999-05-03 09:29:11 +02:00
/* BFD library support routines for the H8/500 architecture.
Copyright (C) 1993, 1994, 1995, 1999 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.
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.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#if 0
/*
Relocations for the Z8K
*/
static bfd_reloc_status_type
howto16_callback (abfd, reloc_entry, symbol_in, data,
ignore_input_section, ignore_bfd)
bfd *abfd;
arelent *reloc_entry;
struct symbol_cache_entry *symbol_in;
PTR data;
asection *ignore_input_section;
bfd *ignore_bfd;
{
long relocation = 0;
bfd_vma addr = reloc_entry->address;
long x = bfd_get_16(abfd, (bfd_byte *)data + addr);
HOWTO_PREPARE(relocation, symbol_in);
x = (x + relocation + reloc_entry->addend);
bfd_put_16(abfd, x, (bfd_byte *)data + addr);
return bfd_reloc_ok;
}
static bfd_reloc_status_type
howto8_callback (abfd, reloc_entry, symbol_in, data,
ignore_input_section, ignore_bfd)
bfd *abfd;
arelent *reloc_entry;
struct symbol_cache_entry *symbol_in;
PTR data;
asection *ignore_input_section;
bfd *ignore_bfd;
{
long relocation = 0;
bfd_vma addr = reloc_entry->address;
long x = bfd_get_8(abfd, (bfd_byte *)data + addr);
HOWTO_PREPARE(relocation, symbol_in);
x = (x + relocation + reloc_entry->addend);
bfd_put_8(abfd, x, (bfd_byte *)data + addr);
return bfd_reloc_ok;
}
static bfd_reloc_status_type
howto8_FFnn_callback (abfd, reloc_entry, symbol_in, data,
ignore_input_section, ignore_bfd)
bfd *abfd;
arelent *reloc_entry;
struct symbol_cache_entry *symbol_in;
PTR data;
asection *ignore_input_section;
bfd *ignore_bfd;
{
long relocation = 0;
bfd_vma addr = reloc_entry->address;
long x = bfd_get_8(abfd, (bfd_byte *)data + addr);
abort();
HOWTO_PREPARE(relocation, symbol_in);
x = (x + relocation + reloc_entry->addend);
bfd_put_8(abfd, x, (bfd_byte *)data + addr);
return bfd_reloc_ok;
}
static bfd_reloc_status_type
howto8_pcrel_callback (abfd, reloc_entry, symbol_in, data,
ignore_input_section, ignore_bfd)
bfd *abfd;
arelent *reloc_entry;
struct symbol_cache_entry *symbol_in;
PTR data;
asection *ignore_input_section;
bfd *ignore_bfd;
{
long relocation = 0;
bfd_vma addr = reloc_entry->address;
long x = bfd_get_8(abfd, (bfd_byte *)data + addr);
abort();
HOWTO_PREPARE(relocation, symbol_in);
x = (x + relocation + reloc_entry->addend);
bfd_put_8(abfd, x, (bfd_byte *)data + addr);
return bfd_reloc_ok;
}
static reloc_howto_type howto_16
= NEWHOWTO(howto16_callback,"abs16",1,false,false);
static reloc_howto_type howto_8
= NEWHOWTO(howto8_callback,"abs8",0,false,false);
static reloc_howto_type howto_8_FFnn
= NEWHOWTO(howto8_FFnn_callback,"ff00+abs8",0,false,false);
static reloc_howto_type howto_8_pcrel
= NEWHOWTO(howto8_pcrel_callback,"pcrel8",0,false,true);
static reloc_howto_type *
local_bfd_reloc_type_lookup (arch, code)
const struct bfd_arch_info *arch;
bfd_reloc_code_real_type code;
{
switch (code) {
case BFD_RELOC_16:
return &howto_16;
case BFD_RELOC_8_FFnn:
return &howto_8_FFnn;
case BFD_RELOC_8:
return &howto_8;
case BFD_RELOC_8_PCREL:
return &howto_8_pcrel;
}
return (reloc_howto_type *)NULL;
}
#endif
int bfd_default_scan_num_mach();
static boolean
scan_mach (info, string)
const struct bfd_arch_info *info ATTRIBUTE_UNUSED;
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const char *string;
{
if (strcmp(string,"h8/500") == 0) return true;
if (strcmp(string,"H8/500") == 0) return true;
if (strcmp(string,"h8500") == 0) return true;
if (strcmp(string,"H8500") == 0) return true;
return false;
}
#if 0 /* not used currently */
/* This routine is provided two arch_infos and returns whether
they'd be compatible */
static const bfd_arch_info_type *
compatible (a,b)
const bfd_arch_info_type *a;
const bfd_arch_info_type *b;
{
if (a->arch != b->arch || a->mach != b->mach)
return NULL;
return a;
}
#endif
const bfd_arch_info_type bfd_h8500_arch =
{
16, /* 16 bits in a word */
24, /* 24 bits in an address */
8, /* 8 bits in a byte */
bfd_arch_h8500,
0, /* only 1 machine */
"h8500", /* arch_name */
"h8500", /* printable name */
1,
true, /* the default machine */
bfd_default_compatible,
scan_mach,
0,
};