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author | Steve Chamberlain <sac@cygnus> | 1991-11-27 18:35:48 +0000 |
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committer | Steve Chamberlain <sac@cygnus> | 1991-11-27 18:35:48 +0000 |
commit | b4e42a642cc812e5688cf4181db693554933f08e (patch) | |
tree | 64411e257e450a806bd16420d5b2325d3bd62df7 /bfd/coff-h8300.c | |
parent | 71e3403212cbfb44d3586685fed38ab0ab7cae70 (diff) | |
download | gdb-b4e42a642cc812e5688cf4181db693554933f08e.zip gdb-b4e42a642cc812e5688cf4181db693554933f08e.tar.gz gdb-b4e42a642cc812e5688cf4181db693554933f08e.tar.bz2 |
Initial revision
Diffstat (limited to 'bfd/coff-h8300.c')
-rw-r--r-- | bfd/coff-h8300.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/bfd/coff-h8300.c b/bfd/coff-h8300.c new file mode 100644 index 0000000..79757f4 --- /dev/null +++ b/bfd/coff-h8300.c @@ -0,0 +1,103 @@ +/* Motorola 68000 COFF back-end for BFD. + Copyright (C) 1990-1991 Free Software Foundation, Inc. + 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + + +#include "bfd.h" +#include "sysdep.h" +#include "libbfd.h" +#include "obstack.h" +#include "coff-h8300.h" +#include "internalcoff.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), +}; + + +/* 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_16 +#define SWAP_OUT_RELOC_OFFSET bfd_h_put_16 +#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 + */ + +#define RTYPE2HOWTO(internal, relocentry) \ + (internal)->howto = ( howto_table + (relocentry).r_type - R_RELBYTE); + + +/* 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; + + +#include "coffcode.h" + + +#define coff_write_armap bsd_write_armap + +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 */ + '/', /* 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 +}; |