2009-12-02 Rafael Avila de Espindola <espindola@google.com>
[binutils.git] / bfd / coff-apollo.c
blobe17709929755938ae2b51d8c8ceee39702a81905
1 /* BFD back-end for Apollo 68000 COFF binaries.
2 Copyright 1990, 1991, 1992, 1993, 1994, 1999, 2000, 2001, 2002, 2003,
3 2005, 2007, 2008 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 3 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,
22 MA 02110-1301, USA. */
24 #include "sysdep.h"
25 #include "bfd.h"
26 #include "libbfd.h"
27 #include "coff/apollo.h"
28 #include "coff/internal.h"
29 #include "libcoff.h"
31 #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
33 #ifdef ONLY_DECLARE_RELOCS
34 extern reloc_howto_type apollocoff_howto_table[];
35 #else
36 reloc_howto_type apollocoff_howto_table[] =
38 HOWTO (R_RELBYTE, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, 0, "8", TRUE, 0x000000ff,0x000000ff, FALSE),
39 HOWTO (R_RELWORD, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, 0, "16", TRUE, 0x0000ffff,0x0000ffff, FALSE),
40 HOWTO (R_RELLONG, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, 0, "32", TRUE, 0xffffffff,0xffffffff, FALSE),
41 HOWTO (R_PCRBYTE, 0, 0, 8, TRUE, 0, complain_overflow_signed, 0, "DISP8", TRUE, 0x000000ff,0x000000ff, FALSE),
42 HOWTO (R_PCRWORD, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0, "DISP16", TRUE, 0x0000ffff,0x0000ffff, FALSE),
43 HOWTO (R_PCRLONG, 0, 2, 32, TRUE, 0, complain_overflow_signed, 0, "DISP32", TRUE, 0xffffffff,0xffffffff, FALSE),
44 HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE, 0, complain_overflow_bitfield, 0, "-32", TRUE, 0xffffffff,0xffffffff, FALSE),
46 #endif /* not ONLY_DECLARE_RELOCS */
48 #ifndef BADMAG
49 #define BADMAG(x) M68KBADMAG(x)
50 #endif
51 #define APOLLO_M68 1 /* Customize coffcode.h */
53 /* Turn a howto into a reloc number. */
55 extern void apollo_rtype2howto PARAMS ((arelent *, int));
56 extern int apollo_howto2rtype PARAMS ((reloc_howto_type *));
57 #ifndef ONLY_DECLARE_RELOCS
59 void
60 apollo_rtype2howto (internal, relocentry)
61 arelent *internal;
62 int relocentry;
64 switch (relocentry)
66 case R_RELBYTE: internal->howto = apollocoff_howto_table + 0; break;
67 case R_RELWORD: internal->howto = apollocoff_howto_table + 1; break;
68 case R_RELLONG: internal->howto = apollocoff_howto_table + 2; break;
69 case R_PCRBYTE: internal->howto = apollocoff_howto_table + 3; break;
70 case R_PCRWORD: internal->howto = apollocoff_howto_table + 4; break;
71 case R_PCRLONG: internal->howto = apollocoff_howto_table + 5; break;
72 case R_RELLONG_NEG: internal->howto = apollocoff_howto_table + 6; break;
76 int
77 apollo_howto2rtype (internal)
78 reloc_howto_type *internal;
80 if (internal->pc_relative)
82 switch (internal->bitsize)
84 case 32: return R_PCRLONG;
85 case 16: return R_PCRWORD;
86 case 8: return R_PCRBYTE;
89 else
91 switch (internal->bitsize)
93 case 32: return R_RELLONG;
94 case 16: return R_RELWORD;
95 case 8: return R_RELBYTE;
98 return R_RELLONG;
100 #endif /* not ONLY_DECLARE_RELOCS */
102 #define RTYPE2HOWTO(internal, relocentry) \
103 apollo_rtype2howto (internal, (relocentry)->r_type)
105 #define SELECT_RELOC(external, internal) \
106 external.r_type = apollo_howto2rtype (internal);
108 #define bfd_pe_print_pdata NULL
110 #include "coffcode.h"
112 #ifndef TARGET_SYM
113 #define TARGET_SYM apollocoff_vec
114 #endif
116 #ifndef TARGET_NAME
117 #define TARGET_NAME "apollo-m68k"
118 #endif
120 #ifdef NAMES_HAVE_UNDERSCORE
121 CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, '_', NULL, COFF_SWAP_TABLE)
122 #else
123 CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, 0, NULL, COFF_SWAP_TABLE)
124 #endif