Commit | Line | Data |
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252b5132 | 1 | /* BFD library support routines for the Z800n architecture. |
eac93a98 | 2 | Copyright 1992, 1993, 1994, 2000, 2001, 2002, 2003 |
b34976b6 | 3 | Free Software Foundation, Inc. |
252b5132 RH |
4 | Hacked by Steve Chamberlain of Cygnus Support. |
5 | ||
6 | This file is part of BFD, the Binary File Descriptor library. | |
7 | ||
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. | |
12 | ||
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. | |
17 | ||
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. */ | |
21 | ||
22 | #include "bfd.h" | |
23 | #include "sysdep.h" | |
24 | #include "libbfd.h" | |
25 | ||
dc810e39 AM |
26 | static const bfd_arch_info_type *compatible |
27 | PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *)); | |
28 | ||
252b5132 RH |
29 | #if 0 /* not used currently */ |
30 | /* | |
31 | Relocations for the Z8K | |
32 | ||
33 | */ | |
34 | static bfd_reloc_status_type | |
35 | howto16_callback (abfd, reloc_entry, symbol_in, data, | |
36 | ignore_input_section, ignore_bfd) | |
37 | bfd *abfd; | |
38 | arelent *reloc_entry; | |
fc0a2244 | 39 | struct bfd_symbol *symbol_in; |
252b5132 RH |
40 | PTR data; |
41 | asection *ignore_input_section; | |
42 | bfd *ignore_bfd; | |
43 | { | |
44 | long relocation = 0; | |
45 | bfd_vma addr = reloc_entry->address; | |
46 | long x = bfd_get_16 (abfd, (bfd_byte *) data + addr); | |
47 | ||
48 | HOWTO_PREPARE (relocation, symbol_in); | |
49 | ||
50 | x = (x + relocation + reloc_entry->addend); | |
51 | ||
52 | bfd_put_16 (abfd, x, (bfd_byte *) data + addr); | |
53 | return bfd_reloc_ok; | |
54 | } | |
55 | ||
252b5132 RH |
56 | static bfd_reloc_status_type |
57 | howto8_callback (abfd, reloc_entry, symbol_in, data, | |
58 | ignore_input_section, ignore_bfd) | |
59 | bfd *abfd; | |
60 | arelent *reloc_entry; | |
fc0a2244 | 61 | struct bfd_symbol *symbol_in; |
252b5132 RH |
62 | PTR data; |
63 | asection *ignore_input_section; | |
64 | bfd *ignore_bfd; | |
65 | { | |
66 | long relocation = 0; | |
67 | bfd_vma addr = reloc_entry->address; | |
68 | long x = bfd_get_8 (abfd, (bfd_byte *) data + addr); | |
69 | ||
70 | HOWTO_PREPARE (relocation, symbol_in); | |
71 | ||
72 | x = (x + relocation + reloc_entry->addend); | |
73 | ||
74 | bfd_put_8 (abfd, x, (bfd_byte *) data + addr); | |
75 | return bfd_reloc_ok; | |
76 | } | |
77 | ||
252b5132 RH |
78 | static bfd_reloc_status_type |
79 | howto8_FFnn_callback (abfd, reloc_entry, symbol_in, data, | |
80 | ignore_input_section, ignore_bfd) | |
81 | bfd *abfd; | |
82 | arelent *reloc_entry; | |
fc0a2244 | 83 | struct bfd_symbol *symbol_in; |
252b5132 RH |
84 | PTR data; |
85 | asection *ignore_input_section; | |
86 | bfd *ignore_bfd; | |
87 | { | |
88 | long relocation = 0; | |
89 | bfd_vma addr = reloc_entry->address; | |
90 | ||
91 | long x = bfd_get_8 (abfd, (bfd_byte *) data + addr); | |
92 | abort (); | |
93 | HOWTO_PREPARE (relocation, symbol_in); | |
94 | ||
95 | x = (x + relocation + reloc_entry->addend); | |
96 | ||
97 | bfd_put_8 (abfd, x, (bfd_byte *) data + addr); | |
98 | return bfd_reloc_ok; | |
99 | } | |
100 | ||
101 | static bfd_reloc_status_type | |
102 | howto8_pcrel_callback (abfd, reloc_entry, symbol_in, data, | |
103 | ignore_input_section, ignore_bfd) | |
104 | bfd *abfd; | |
105 | arelent *reloc_entry; | |
fc0a2244 | 106 | struct bfd_symbol *symbol_in; |
252b5132 RH |
107 | PTR data; |
108 | asection *ignore_input_section; | |
109 | bfd *ignore_bfd; | |
110 | { | |
111 | long relocation = 0; | |
112 | bfd_vma addr = reloc_entry->address; | |
113 | long x = bfd_get_8 (abfd, (bfd_byte *) data + addr); | |
114 | abort (); | |
115 | HOWTO_PREPARE (relocation, symbol_in); | |
116 | ||
117 | x = (x + relocation + reloc_entry->addend); | |
118 | ||
119 | bfd_put_8 (abfd, x, (bfd_byte *) data + addr); | |
120 | return bfd_reloc_ok; | |
121 | } | |
122 | ||
252b5132 | 123 | static reloc_howto_type howto_16 |
b34976b6 | 124 | = NEWHOWTO (howto16_callback, "abs16", 1, FALSE, FALSE); |
252b5132 | 125 | static reloc_howto_type howto_8 |
b34976b6 | 126 | = NEWHOWTO (howto8_callback, "abs8", 0, FALSE, FALSE); |
252b5132 RH |
127 | |
128 | static reloc_howto_type howto_8_FFnn | |
b34976b6 | 129 | = NEWHOWTO (howto8_FFnn_callback, "ff00+abs8", 0, FALSE, FALSE); |
252b5132 RH |
130 | |
131 | static reloc_howto_type howto_8_pcrel | |
b34976b6 | 132 | = NEWHOWTO (howto8_pcrel_callback, "pcrel8", 0, FALSE, TRUE); |
252b5132 | 133 | |
252b5132 RH |
134 | static reloc_howto_type * |
135 | local_bfd_reloc_type_lookup (arch, code) | |
136 | const struct bfd_arch_info *arch; | |
137 | bfd_reloc_code_real_type code; | |
138 | { | |
139 | switch (code) | |
140 | { | |
141 | case BFD_RELOC_16: | |
142 | return &howto_16; | |
143 | case BFD_RELOC_8_FFnn: | |
144 | return &howto_8_FFnn; | |
145 | case BFD_RELOC_8: | |
146 | return &howto_8; | |
147 | case BFD_RELOC_8_PCREL: | |
148 | return &howto_8_pcrel; | |
149 | default: | |
150 | return (reloc_howto_type *) NULL; | |
151 | } | |
152 | } | |
153 | #endif | |
154 | ||
252b5132 RH |
155 | /* This routine is provided two arch_infos and returns whether |
156 | they'd be compatible */ | |
157 | ||
158 | static const bfd_arch_info_type * | |
159 | compatible (a, b) | |
160 | const bfd_arch_info_type *a; | |
161 | const bfd_arch_info_type *b; | |
162 | { | |
163 | if (a->arch != b->arch || a->mach != b->mach) | |
164 | return NULL; | |
165 | return a; | |
166 | } | |
167 | ||
252b5132 RH |
168 | static const bfd_arch_info_type arch_info_struct[] = |
169 | { | |
b34976b6 | 170 | { 32, 16, 8, bfd_arch_z8k, bfd_mach_z8002, "z8k", "z8002", 1, FALSE, |
638524b5 | 171 | compatible, bfd_default_scan, 0 } |
252b5132 RH |
172 | }; |
173 | ||
174 | const bfd_arch_info_type bfd_z8k_arch = | |
175 | { | |
b34976b6 | 176 | 32, 32, 8, bfd_arch_z8k, bfd_mach_z8001, "z8k", "z8001", 1, TRUE, |
638524b5 | 177 | compatible, bfd_default_scan, &arch_info_struct[0] |
252b5132 | 178 | }; |