2000-12-22 H.J. Lu <hjl@gnu.org>
[binutils.git] / bfd / coff-apollo.c
blob7a28efa59fbd21d5087ba4513374c37f100ed6ac
1 /* BFD back-end for Apollo 68000 COFF binaries.
2 Copyright 1990, 91, 92, 93, 94, 95, 1997 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
22 #include "bfd.h"
23 #include "sysdep.h"
24 #include "libbfd.h"
25 #include "coff/apollo.h"
26 #include "coff/internal.h"
27 #include "libcoff.h"
29 #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
31 #ifdef ONLY_DECLARE_RELOCS
32 extern reloc_howto_type apollocoff_howto_table[];
33 #else
34 reloc_howto_type apollocoff_howto_table[] =
36 HOWTO(R_RELBYTE, 0, 0, 8, false, 0, complain_overflow_bitfield, 0, "8", true, 0x000000ff,0x000000ff, false),
37 HOWTO(R_RELWORD, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "16", true, 0x0000ffff,0x0000ffff, false),
38 HOWTO(R_RELLONG, 0, 2, 32, false, 0, complain_overflow_bitfield, 0, "32", true, 0xffffffff,0xffffffff, false),
39 HOWTO(R_PCRBYTE, 0, 0, 8, true, 0, complain_overflow_signed, 0, "DISP8", true, 0x000000ff,0x000000ff, false),
40 HOWTO(R_PCRWORD, 0, 1, 16, true, 0, complain_overflow_signed, 0, "DISP16", true, 0x0000ffff,0x0000ffff, false),
41 HOWTO(R_PCRLONG, 0, 2, 32, true, 0, complain_overflow_signed, 0, "DISP32", true, 0xffffffff,0xffffffff, false),
42 HOWTO(R_RELLONG_NEG, 0, -2, 32, false, 0, complain_overflow_bitfield, 0, "-32", true, 0xffffffff,0xffffffff, false),
44 #endif /* not ONLY_DECLARE_RELOCS */
46 #ifndef BADMAG
47 #define BADMAG(x) M68KBADMAG(x)
48 #endif
49 #define APOLLO_M68 1 /* Customize coffcode.h */
51 /* Turn a howto into a reloc number */
53 #ifdef ONLY_DECLARE_RELOCS
54 extern void apollo_rtype2howto PARAMS ((arelent *internal, int relocentry));
55 extern int apollo_howto2rtype PARAMS ((reloc_howto_type *));
56 #else
57 void
58 apollo_rtype2howto(internal, relocentry)
59 arelent *internal;
60 int relocentry;
62 switch (relocentry)
64 case R_RELBYTE: internal->howto = apollocoff_howto_table + 0; break;
65 case R_RELWORD: internal->howto = apollocoff_howto_table + 1; break;
66 case R_RELLONG: internal->howto = apollocoff_howto_table + 2; break;
67 case R_PCRBYTE: internal->howto = apollocoff_howto_table + 3; break;
68 case R_PCRWORD: internal->howto = apollocoff_howto_table + 4; break;
69 case R_PCRLONG: internal->howto = apollocoff_howto_table + 5; break;
70 case R_RELLONG_NEG: internal->howto = apollocoff_howto_table + 6; break;
74 int
75 apollo_howto2rtype (internal)
76 reloc_howto_type *internal;
78 if (internal->pc_relative)
80 switch (internal->bitsize)
82 case 32: return R_PCRLONG;
83 case 16: return R_PCRWORD;
84 case 8: return R_PCRBYTE;
87 else
89 switch (internal->bitsize)
91 case 32: return R_RELLONG;
92 case 16: return R_RELWORD;
93 case 8: return R_RELBYTE;
96 return R_RELLONG;
98 #endif /* not ONLY_DECLARE_RELOCS */
100 #define RTYPE2HOWTO(internal, relocentry) \
101 apollo_rtype2howto(internal, (relocentry)->r_type)
103 #define SELECT_RELOC(external, internal) \
104 external.r_type = apollo_howto2rtype(internal);
106 #include "coffcode.h"
108 #ifndef TARGET_SYM
109 #define TARGET_SYM apollocoff_vec
110 #endif
112 #ifndef TARGET_NAME
113 #define TARGET_NAME "apollo-m68k"
114 #endif
116 #ifdef NAMES_HAVE_UNDERSCORE
117 CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, '_', NULL)
118 #else
119 CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, 0, NULL)
120 #endif