| /* 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 |
| }; |