2005-12-19 Paolo Bonzini <bonzini@gnu.org>
[binutils.git] / bfd / coff-apollo.c
blob2fe1b3e556752758a0b21cf8e41e262cc19cab6a
1 /* BFD back-end for Apollo 68000 COFF binaries.
2 Copyright 1990, 1991, 1992, 1993, 1994, 1999, 2000, 2001, 2002, 2003
3 Free Software Foundation, Inc.
4 By Troy Rollo (troy@cbme.unsw.edu.au)
5 Based on m68k standard COFF version Written by Cygnus Support.
7 This file is part of BFD, the Binary File Descriptor library.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
23 #include "bfd.h"
24 #include "sysdep.h"
25 #include "libbfd.h"
26 #include "coff/apollo.h"
27 #include "coff/internal.h"
28 #include "libcoff.h"
30 #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
32 #ifdef ONLY_DECLARE_RELOCS
33 extern reloc_howto_type apollocoff_howto_table[];
34 #else
35 reloc_howto_type apollocoff_howto_table[] =
37 HOWTO (R_RELBYTE, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, 0, "8", TRUE, 0x000000ff,0x000000ff, FALSE),
38 HOWTO (R_RELWORD, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, 0, "16", TRUE, 0x0000ffff,0x0000ffff, FALSE),
39 HOWTO (R_RELLONG, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, 0, "32", TRUE, 0xffffffff,0xffffffff, FALSE),
40 HOWTO (R_PCRBYTE, 0, 0, 8, TRUE, 0, complain_overflow_signed, 0, "DISP8", TRUE, 0x000000ff,0x000000ff, FALSE),
41 HOWTO (R_PCRWORD, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0, "DISP16", TRUE, 0x0000ffff,0x0000ffff, FALSE),
42 HOWTO (R_PCRLONG, 0, 2, 32, TRUE, 0, complain_overflow_signed, 0, "DISP32", TRUE, 0xffffffff,0xffffffff, FALSE),
43 HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE, 0, complain_overflow_bitfield, 0, "-32", TRUE, 0xffffffff,0xffffffff, FALSE),
45 #endif /* not ONLY_DECLARE_RELOCS */
47 #ifndef BADMAG
48 #define BADMAG(x) M68KBADMAG(x)
49 #endif
50 #define APOLLO_M68 1 /* Customize coffcode.h */
52 /* Turn a howto into a reloc number. */
54 extern void apollo_rtype2howto PARAMS ((arelent *, int));
55 extern int apollo_howto2rtype PARAMS ((reloc_howto_type *));
56 #ifndef ONLY_DECLARE_RELOCS
58 void
59 apollo_rtype2howto (internal, relocentry)
60 arelent *internal;
61 int relocentry;
63 switch (relocentry)
65 case R_RELBYTE: internal->howto = apollocoff_howto_table + 0; break;
66 case R_RELWORD: internal->howto = apollocoff_howto_table + 1; break;
67 case R_RELLONG: internal->howto = apollocoff_howto_table + 2; break;
68 case R_PCRBYTE: internal->howto = apollocoff_howto_table + 3; break;
69 case R_PCRWORD: internal->howto = apollocoff_howto_table + 4; break;
70 case R_PCRLONG: internal->howto = apollocoff_howto_table + 5; break;
71 case R_RELLONG_NEG: internal->howto = apollocoff_howto_table + 6; break;
75 int
76 apollo_howto2rtype (internal)
77 reloc_howto_type *internal;
79 if (internal->pc_relative)
81 switch (internal->bitsize)
83 case 32: return R_PCRLONG;
84 case 16: return R_PCRWORD;
85 case 8: return R_PCRBYTE;
88 else
90 switch (internal->bitsize)
92 case 32: return R_RELLONG;
93 case 16: return R_RELWORD;
94 case 8: return R_RELBYTE;
97 return R_RELLONG;
99 #endif /* not ONLY_DECLARE_RELOCS */
101 #define RTYPE2HOWTO(internal, relocentry) \
102 apollo_rtype2howto (internal, (relocentry)->r_type)
104 #define SELECT_RELOC(external, internal) \
105 external.r_type = apollo_howto2rtype (internal);
107 #include "coffcode.h"
109 #ifndef TARGET_SYM
110 #define TARGET_SYM apollocoff_vec
111 #endif
113 #ifndef TARGET_NAME
114 #define TARGET_NAME "apollo-m68k"
115 #endif
117 #ifdef NAMES_HAVE_UNDERSCORE
118 CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, '_', NULL, COFF_SWAP_TABLE)
119 #else
120 CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, 0, NULL, COFF_SWAP_TABLE)
121 #endif