From 252b5132c753830d5fd56823373aed85f2a0db63 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Mon, 3 May 1999 07:29:11 +0000 Subject: 19990502 sourceware import --- bfd/coff-apollo.c | 161 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 161 insertions(+) create mode 100644 bfd/coff-apollo.c (limited to 'bfd/coff-apollo.c') diff --git a/bfd/coff-apollo.c b/bfd/coff-apollo.c new file mode 100644 index 0000000..253ec89 --- /dev/null +++ b/bfd/coff-apollo.c @@ -0,0 +1,161 @@ +/* BFD back-end for Apollo 68000 COFF binaries. + Copyright 1990, 91, 92, 93, 94, 95, 1997 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 */ + +#ifdef ONLY_DECLARE_RELOCS +extern void apollo_rtype2howto PARAMS ((arelent *internal, int relocentry)); +extern int apollo_howto2rtype PARAMS ((reloc_howto_type *)); +#else +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" + +const bfd_target +#ifdef TARGET_SYM + TARGET_SYM = +#else + apollocoff_vec = +#endif +{ +#ifdef TARGET_NAME + TARGET_NAME, +#else + "apollo-m68k", /* name */ +#endif + bfd_target_coff_flavour, + BFD_ENDIAN_BIG, /* data byte order is big */ + BFD_ENDIAN_BIG, /* header byte order is big */ + + (HAS_RELOC | EXEC_P | /* object flags */ + HAS_LINENO | HAS_DEBUG | + HAS_SYMS | HAS_LOCALS | WP_TEXT), + + (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ +#ifdef NAMES_HAVE_UNDERSCORE + '_', +#else + 0, /* leading underscore */ +#endif + '/', /* ar_pad_char */ + 15, /* ar_max_namelen */ + bfd_getb64, bfd_getb_signed_64, bfd_putb64, + bfd_getb32, bfd_getb_signed_32, bfd_putb32, + bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ + bfd_getb64, bfd_getb_signed_64, bfd_putb64, + bfd_getb32, bfd_getb_signed_32, bfd_putb32, + bfd_getb16, bfd_getb_signed_16, bfd_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}, + + BFD_JUMP_TABLE_GENERIC (coff), + BFD_JUMP_TABLE_COPY (coff), + BFD_JUMP_TABLE_CORE (_bfd_nocore), + BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), + BFD_JUMP_TABLE_SYMBOLS (coff), + BFD_JUMP_TABLE_RELOCS (coff), + BFD_JUMP_TABLE_WRITE (coff), + BFD_JUMP_TABLE_LINK (coff), + BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), + + COFF_SWAP_TABLE + }; -- cgit v1.1