1 /* BFD back-end for Apollo 68000 COFF binaries.
2 Copyright 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
3 By Troy Rollo (troy@cbme.unsw.edu.au)
4 Based on m68k standard COFF version Written by Cygnus Support.
6 This file is part of BFD, the Binary File Descriptor library.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
26 #include "coff/apollo.h"
27 #include "coff/internal.h"
30 #ifdef ONLY_DECLARE_RELOCS
31 extern reloc_howto_type apollocoff_howto_table[];
33 reloc_howto_type apollocoff_howto_table[] =
35 HOWTO(R_RELBYTE, 0, 0, 8, false, 0, complain_overflow_bitfield, 0, "8", true, 0x000000ff,0x000000ff, false),
36 HOWTO(R_RELWORD, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "16", true, 0x0000ffff,0x0000ffff, false),
37 HOWTO(R_RELLONG, 0, 2, 32, false, 0, complain_overflow_bitfield, 0, "32", true, 0xffffffff,0xffffffff, false),
38 HOWTO(R_PCRBYTE, 0, 0, 8, true, 0, complain_overflow_signed, 0, "DISP8", true, 0x000000ff,0x000000ff, false),
39 HOWTO(R_PCRWORD, 0, 1, 16, true, 0, complain_overflow_signed, 0, "DISP16", true, 0x0000ffff,0x0000ffff, false),
40 HOWTO(R_PCRLONG, 0, 2, 32, true, 0, complain_overflow_signed, 0, "DISP32", true, 0xffffffff,0xffffffff, false),
41 HOWTO(R_RELLONG_NEG, 0, -2, 32, false, 0, complain_overflow_bitfield, 0, "-32", true, 0xffffffff,0xffffffff, false),
43 #endif /* not ONLY_DECLARE_RELOCS */
46 #define BADMAG(x) M68KBADMAG(x)
48 #define APOLLO_M68 1 /* Customize coffcode.h */
50 /* Turn a howto into a reloc number */
52 #ifdef ONLY_DECLARE_RELOCS
53 extern void apollo_rtype2howto PARAMS ((arelent *internal, int relocentry));
54 extern int apollo_howto2rtype PARAMS ((CONST struct reloc_howto_struct *));
57 apollo_rtype2howto(internal, relocentry)
63 case R_RELBYTE: internal->howto = apollocoff_howto_table + 0; break;
64 case R_RELWORD: internal->howto = apollocoff_howto_table + 1; break;
65 case R_RELLONG: internal->howto = apollocoff_howto_table + 2; break;
66 case R_PCRBYTE: internal->howto = apollocoff_howto_table + 3; break;
67 case R_PCRWORD: internal->howto = apollocoff_howto_table + 4; break;
68 case R_PCRLONG: internal->howto = apollocoff_howto_table + 5; break;
69 case R_RELLONG_NEG: internal->howto = apollocoff_howto_table + 6; break;
74 apollo_howto2rtype (internal)
75 CONST struct reloc_howto_struct *internal;
77 if (internal->pc_relative)
79 switch (internal->bitsize)
81 case 32: return R_PCRLONG;
82 case 16: return R_PCRWORD;
83 case 8: return R_PCRBYTE;
88 switch (internal->bitsize)
90 case 32: return R_RELLONG;
91 case 16: return R_RELWORD;
92 case 8: return R_RELBYTE;
97 #endif /* not ONLY_DECLARE_RELOCS */
99 #define RTYPE2HOWTO(internal, relocentry) \
100 apollo_rtype2howto(internal, (relocentry)->r_type)
102 #define SELECT_RELOC(external, internal) \
103 external.r_type = apollo_howto2rtype(internal);
105 #include "coffcode.h"
117 "apollo-m68k", /* name */
119 bfd_target_coff_flavour,
120 true, /* data byte order is big */
121 true, /* header byte order is big */
123 (HAS_RELOC | EXEC_P | /* object flags */
124 HAS_LINENO | HAS_DEBUG |
125 HAS_SYMS | HAS_LOCALS | WP_TEXT),
127 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
128 #ifdef NAMES_HAVE_UNDERSCORE
131 0, /* leading underscore */
133 '/', /* ar_pad_char */
134 15, /* ar_max_namelen */
135 3, /* minimum section alignment */
136 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
137 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
138 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
139 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
140 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
141 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
143 {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
144 bfd_generic_archive_p, _bfd_dummy_target},
145 {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
147 {bfd_false, coff_write_object_contents, /* bfd_write_contents */
148 _bfd_write_archive_contents, bfd_false},
150 BFD_JUMP_TABLE_GENERIC (coff),
151 BFD_JUMP_TABLE_COPY (coff),
152 BFD_JUMP_TABLE_CORE (_bfd_nocore),
153 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
154 BFD_JUMP_TABLE_SYMBOLS (coff),
155 BFD_JUMP_TABLE_RELOCS (coff),
156 BFD_JUMP_TABLE_WRITE (coff),
157 BFD_JUMP_TABLE_LINK (coff),