coff-apollo.c
4.08 KB
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/* BFD back-end for Apollo 68000 COFF binaries.
Copyright 1990, 1991, 1992, 1993, 1994, 1999, 2000, 2001, 2002
Free Software Foundation, Inc.
By Troy Rollo (troy@cbme.unsw.edu.au)
Based on m68k standard COFF version Written by 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"
#include "coff/apollo.h"
#include "coff/internal.h"
#include "libcoff.h"
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
#ifdef ONLY_DECLARE_RELOCS
extern reloc_howto_type apollocoff_howto_table[];
#else
reloc_howto_type apollocoff_howto_table[] =
{
HOWTO (R_RELBYTE, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, 0, "8", TRUE, 0x000000ff,0x000000ff, FALSE),
HOWTO (R_RELWORD, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, 0, "16", TRUE, 0x0000ffff,0x0000ffff, FALSE),
HOWTO (R_RELLONG, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, 0, "32", TRUE, 0xffffffff,0xffffffff, FALSE),
HOWTO (R_PCRBYTE, 0, 0, 8, TRUE, 0, complain_overflow_signed, 0, "DISP8", TRUE, 0x000000ff,0x000000ff, FALSE),
HOWTO (R_PCRWORD, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0, "DISP16", TRUE, 0x0000ffff,0x0000ffff, FALSE),
HOWTO (R_PCRLONG, 0, 2, 32, TRUE, 0, complain_overflow_signed, 0, "DISP32", TRUE, 0xffffffff,0xffffffff, FALSE),
HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE, 0, complain_overflow_bitfield, 0, "-32", TRUE, 0xffffffff,0xffffffff, FALSE),
};
#endif /* not ONLY_DECLARE_RELOCS */
#ifndef BADMAG
#define BADMAG(x) M68KBADMAG(x)
#endif
#define APOLLO_M68 1 /* Customize coffcode.h */
/* Turn a howto into a reloc number. */
extern void apollo_rtype2howto PARAMS ((arelent *, int));
extern int apollo_howto2rtype PARAMS ((reloc_howto_type *));
#ifndef ONLY_DECLARE_RELOCS
void
apollo_rtype2howto (internal, relocentry)
arelent *internal;
int relocentry;
{
switch (relocentry)
{
case R_RELBYTE: internal->howto = apollocoff_howto_table + 0; break;
case R_RELWORD: internal->howto = apollocoff_howto_table + 1; break;
case R_RELLONG: internal->howto = apollocoff_howto_table + 2; break;
case R_PCRBYTE: internal->howto = apollocoff_howto_table + 3; break;
case R_PCRWORD: internal->howto = apollocoff_howto_table + 4; break;
case R_PCRLONG: internal->howto = apollocoff_howto_table + 5; break;
case R_RELLONG_NEG: internal->howto = apollocoff_howto_table + 6; break;
}
}
int
apollo_howto2rtype (internal)
reloc_howto_type *internal;
{
if (internal->pc_relative)
{
switch (internal->bitsize)
{
case 32: return R_PCRLONG;
case 16: return R_PCRWORD;
case 8: return R_PCRBYTE;
}
}
else
{
switch (internal->bitsize)
{
case 32: return R_RELLONG;
case 16: return R_RELWORD;
case 8: return R_RELBYTE;
}
}
return R_RELLONG;
}
#endif /* not ONLY_DECLARE_RELOCS */
#define RTYPE2HOWTO(internal, relocentry) \
apollo_rtype2howto (internal, (relocentry)->r_type)
#define SELECT_RELOC(external, internal) \
external.r_type = apollo_howto2rtype (internal);
#include "coffcode.h"
#ifndef TARGET_SYM
#define TARGET_SYM apollocoff_vec
#endif
#ifndef TARGET_NAME
#define TARGET_NAME "apollo-m68k"
#endif
#ifdef NAMES_HAVE_UNDERSCORE
CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, '_', NULL, COFF_SWAP_TABLE)
#else
CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, 0, NULL, COFF_SWAP_TABLE)
#endif