4.4BSD/usr/src/contrib/gdb-4.7.lbl/bfd/coff-h8300.c
/* BFD back-end for Hitachi H8/300 COFF binaries.
Copyright 1990, 1991, 1992 Free Software Foundation, Inc.
Written by Steve Chamberlain, <sac@cygnus.com>.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "obstack.h"
#include "coff/h8300.h"
#include "coff/internal.h"
#include "libcoff.h"
static reloc_howto_type howto_table[] =
{
HOWTO(R_RELBYTE, 0, 0, 8, false, 0, true, true,0,"8", true, 0x000000ff,0x000000ff, false),
HOWTO(R_RELWORD, 0, 1, 16, false, 0, true, true,0,"16", true, 0x0000ffff,0x0000ffff, false),
HOWTO(R_RELLONG, 0, 2, 32, false, 0, true, true,0,"32", true, 0xffffffff,0xffffffff, false),
HOWTO(R_PCRBYTE, 0, 0, 8, true, 0, false, true,0,"DISP8", true, 0x000000ff,0x000000ff, true),
HOWTO(R_PCRWORD, 0, 1, 16, true, 0, false, true,0,"DISP16", true, 0x0000ffff,0x0000ffff, true),
HOWTO(R_PCRLONG, 0, 2, 32, true, 0, false, true,0,"DISP32", true, 0xffffffff,0xffffffff, true),
HOWTO(R_MOVB1, 0, 1, 16, false, 0, true,
true,0,"16/8", true, 0x0000ffff,0x0000ffff, false),
HOWTO(R_MOVB2, 0, 1, 16, false, 0, true,
true,0,"8/16", true, 0x0000ffff,0x0000ffff, false),
HOWTO(R_JMP1, 0, 1, 16, false, 0, true, true,0,"16/pcrel", true, 0x0000ffff,0x0000ffff, false),
HOWTO(R_JMP2, 0, 0, 8, false, 0, true, true,0,"pcrecl/16", true, 0x000000ff,0x000000ff, false),
};
/* Turn a howto into a reloc number */
#define SELECT_RELOC(x,howto) \
{ x = howto_table[howto->size +(int)howto->pc_relative*3].type; }
#define BADMAG(x) H8300BADMAG(x)
#define H8300 1 /* Customize coffcode.h */
#define __A_MAGIC_SET__
/* Code to swap in the reloc */
#define SWAP_IN_RELOC_OFFSET bfd_h_get_32
#define SWAP_OUT_RELOC_OFFSET bfd_h_put_32
#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
dst->r_stuff[0] = 'S'; \
dst->r_stuff[1] = 'C';
/* Code to turn a r_type into a howto ptr, uses the above howto table
*/
static void
DEFUN(rtype2howto,(internal, dst),
arelent *internal AND
struct internal_reloc *dst)
{
switch (dst->r_type) {
case R_RELBYTE:
internal->howto = howto_table+ 0;
break;
case R_RELWORD:
internal->howto = howto_table+ 1;
break;
case R_PCRBYTE:
internal->howto = howto_table+3;
break;
case R_PCRWORD:
internal->howto = howto_table+ 4;
break;
case R_MOVB1:
internal->howto = howto_table + 6;
break;
case R_MOVB2:
internal->howto = howto_table + 7;
break;
case R_JMP1:
internal->howto = howto_table +8;
break;
case R_JMP2:
internal->howto = howto_table +9;
break;
default:
fprintf(stderr,"Bad reloc\n");
break;
}
}
#define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry)
/* Perform any necessaru magic to the addend in a reloc entry */
#define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \
cache_ptr->addend = ext_reloc.r_offset;
#define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \
reloc_processing(relent, reloc, symbols, abfd, section)
static void DEFUN(reloc_processing,(relent,reloc, symbols, abfd, section) ,
arelent *relent AND
struct internal_reloc *reloc AND
asymbol **symbols AND
bfd *abfd AND
asection *section)
{
relent->address = reloc->r_vaddr;
rtype2howto(relent,reloc);
if (reloc->r_symndx > 0)
{
relent->sym_ptr_ptr = symbols + obj_convert(abfd)[reloc->r_symndx];
}
else
{
relent->sym_ptr_ptr = &(bfd_abs_symbol);
}
relent->addend = reloc->r_offset;
relent->address-= section->vma;
/* relent->section = 0;*/
}
#include "coffcode.h"
#undef coff_bfd_get_relocated_section_contents
#undef coff_bfd_relax_section
#define coff_bfd_get_relocated_section_contents bfd_coff_get_relocated_section_contents
#define coff_bfd_relax_section bfd_coff_relax_section
bfd_target h8300coff_vec =
{
"coff-h8300", /* name */
bfd_target_coff_flavour,
true, /* data byte order is big */
true, /* header byte order is big */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
( SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
'_', /* leading char */
'/', /* ar_pad_char */
15, /* ar_max_namelen */
1, /* minimum section alignment */
_do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */
_do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
{_bfd_dummy_target, coff_object_p, /* bfd_check_format */
bfd_generic_archive_p, _bfd_dummy_target},
{bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
bfd_false},
{bfd_false, coff_write_object_contents, /* bfd_write_contents */
_bfd_write_archive_contents, bfd_false},
JUMP_TABLE(coff),
COFF_SWAP_TABLE
};