200 lines
5.0 KiB
C
200 lines
5.0 KiB
C
/* BFD library support routines for the H8/500 architecture.
|
|
Copyright (C) 1993 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 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;
|
|
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,
|
|
};
|