daily update
[binutils.git] / bfd / cpu-z8k.c
blob60d82ef62aa0bdf723b396725970c94d9763b351
1 /* BFD library support routines for the Z800n architecture.
2 Copyright 1992, 1993, 1994, 2000, 2001, 2002
3 Free Software Foundation, Inc.
4 Hacked by Steve Chamberlain of 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"
26 static const bfd_arch_info_type *compatible
27 PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
29 #if 0 /* not used currently */
31 Relocations for the Z8K
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;
39 struct symbol_cache_entry *symbol_in;
40 PTR data;
41 asection *ignore_input_section;
42 bfd *ignore_bfd;
44 long relocation = 0;
45 bfd_vma addr = reloc_entry->address;
46 long x = bfd_get_16 (abfd, (bfd_byte *) data + addr);
48 HOWTO_PREPARE (relocation, symbol_in);
50 x = (x + relocation + reloc_entry->addend);
52 bfd_put_16 (abfd, x, (bfd_byte *) data + addr);
53 return bfd_reloc_ok;
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;
61 struct symbol_cache_entry *symbol_in;
62 PTR data;
63 asection *ignore_input_section;
64 bfd *ignore_bfd;
66 long relocation = 0;
67 bfd_vma addr = reloc_entry->address;
68 long x = bfd_get_8 (abfd, (bfd_byte *) data + addr);
70 HOWTO_PREPARE (relocation, symbol_in);
72 x = (x + relocation + reloc_entry->addend);
74 bfd_put_8 (abfd, x, (bfd_byte *) data + addr);
75 return bfd_reloc_ok;
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;
83 struct symbol_cache_entry *symbol_in;
84 PTR data;
85 asection *ignore_input_section;
86 bfd *ignore_bfd;
88 long relocation = 0;
89 bfd_vma addr = reloc_entry->address;
91 long x = bfd_get_8 (abfd, (bfd_byte *) data + addr);
92 abort ();
93 HOWTO_PREPARE (relocation, symbol_in);
95 x = (x + relocation + reloc_entry->addend);
97 bfd_put_8 (abfd, x, (bfd_byte *) data + addr);
98 return bfd_reloc_ok;
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;
106 struct symbol_cache_entry *symbol_in;
107 PTR data;
108 asection *ignore_input_section;
109 bfd *ignore_bfd;
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);
117 x = (x + relocation + reloc_entry->addend);
119 bfd_put_8 (abfd, x, (bfd_byte *) data + addr);
120 return bfd_reloc_ok;
123 static reloc_howto_type howto_16
124 = NEWHOWTO (howto16_callback, "abs16", 1, FALSE, FALSE);
125 static reloc_howto_type howto_8
126 = NEWHOWTO (howto8_callback, "abs8", 0, FALSE, FALSE);
128 static reloc_howto_type howto_8_FFnn
129 = NEWHOWTO (howto8_FFnn_callback, "ff00+abs8", 0, FALSE, FALSE);
131 static reloc_howto_type howto_8_pcrel
132 = NEWHOWTO (howto8_pcrel_callback, "pcrel8", 0, FALSE, TRUE);
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;
139 switch (code)
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;
153 #endif
155 /* This routine is provided two arch_infos and returns whether
156 they'd be compatible */
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;
163 if (a->arch != b->arch || a->mach != b->mach)
164 return NULL;
165 return a;
168 static const bfd_arch_info_type arch_info_struct[] =
170 { 32, 16, 8, bfd_arch_z8k, bfd_mach_z8002, "z8k", "z8002", 1, FALSE,
171 compatible, bfd_default_scan, 0 }
174 const bfd_arch_info_type bfd_z8k_arch =
176 32, 32, 8, bfd_arch_z8k, bfd_mach_z8001, "z8k", "z8001", 1, TRUE,
177 compatible, bfd_default_scan, &arch_info_struct[0]