1 /* BFD library support routines for the H8/500 architecture.
2 Copyright 1993, 1995, 2000 Free Software Foundation, Inc.
3 Hacked by Steve Chamberlain of Cygnus Support.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
28 Relocations for the Z8K
31 static bfd_reloc_status_type
32 howto16_callback (abfd, reloc_entry, symbol_in, data,
33 ignore_input_section, ignore_bfd)
36 struct symbol_cache_entry *symbol_in;
38 asection *ignore_input_section;
42 bfd_vma addr = reloc_entry->address;
43 long x = bfd_get_16 (abfd, (bfd_byte *)data + addr);
45 HOWTO_PREPARE(relocation, symbol_in);
47 x = (x + relocation + reloc_entry->addend);
49 bfd_put_16 (abfd, x, (bfd_byte *)data + addr);
53 static bfd_reloc_status_type
54 howto8_callback (abfd, reloc_entry, symbol_in, data,
55 ignore_input_section, ignore_bfd)
58 struct symbol_cache_entry *symbol_in;
60 asection *ignore_input_section;
64 bfd_vma addr = reloc_entry->address;
65 long x = bfd_get_8 (abfd, (bfd_byte *)data + addr);
67 HOWTO_PREPARE(relocation, symbol_in);
69 x = (x + relocation + reloc_entry->addend);
71 bfd_put_8 (abfd, x, (bfd_byte *)data + addr);
75 static bfd_reloc_status_type
76 howto8_FFnn_callback (abfd, reloc_entry, symbol_in, data,
77 ignore_input_section, ignore_bfd)
80 struct symbol_cache_entry *symbol_in;
82 asection *ignore_input_section;
86 bfd_vma addr = reloc_entry->address;
88 long x = bfd_get_8 (abfd, (bfd_byte *)data + addr);
90 HOWTO_PREPARE(relocation, symbol_in);
92 x = (x + relocation + reloc_entry->addend);
94 bfd_put_8 (abfd, x, (bfd_byte *)data + addr);
98 static bfd_reloc_status_type
99 howto8_pcrel_callback (abfd, reloc_entry, symbol_in, data,
100 ignore_input_section, ignore_bfd)
102 arelent *reloc_entry;
103 struct symbol_cache_entry *symbol_in;
105 asection *ignore_input_section;
109 bfd_vma addr = reloc_entry->address;
110 long x = bfd_get_8 (abfd, (bfd_byte *)data + addr);
112 HOWTO_PREPARE(relocation, symbol_in);
114 x = (x + relocation + reloc_entry->addend);
116 bfd_put_8 (abfd, x, (bfd_byte *)data + addr);
120 static reloc_howto_type howto_16
121 = NEWHOWTO(howto16_callback,"abs16",1,false,false);
122 static reloc_howto_type howto_8
123 = NEWHOWTO(howto8_callback,"abs8",0,false,false);
125 static reloc_howto_type howto_8_FFnn
126 = NEWHOWTO(howto8_FFnn_callback,"ff00+abs8",0,false,false);
128 static reloc_howto_type howto_8_pcrel
129 = NEWHOWTO(howto8_pcrel_callback,"pcrel8",0,false,true);
131 static reloc_howto_type *
132 local_bfd_reloc_type_lookup (arch, code)
133 const struct bfd_arch_info *arch;
134 bfd_reloc_code_real_type code;
139 case BFD_RELOC_8_FFnn:
140 return &howto_8_FFnn;
143 case BFD_RELOC_8_PCREL:
144 return &howto_8_pcrel;
146 return (reloc_howto_type *)NULL;
150 int bfd_default_scan_num_mach();
153 scan_mach (info, string)
154 const struct bfd_arch_info *info ATTRIBUTE_UNUSED;
157 if (strcmp(string,"h8/500") == 0) return true;
158 if (strcmp(string,"H8/500") == 0) return true;
159 if (strcmp(string,"h8500") == 0) return true;
160 if (strcmp(string,"H8500") == 0) return true;
164 #if 0 /* not used currently */
165 /* This routine is provided two arch_infos and returns whether
166 they'd be compatible */
168 static const bfd_arch_info_type *
170 const bfd_arch_info_type *a;
171 const bfd_arch_info_type *b;
173 if (a->arch != b->arch || a->mach != b->mach)
179 const bfd_arch_info_type bfd_h8500_arch =
181 16, /* 16 bits in a word */
182 24, /* 24 bits in an address */
183 8, /* 8 bits in a byte */
185 0, /* only 1 machine */
186 "h8500", /* arch_name */
187 "h8500", /* printable name */
189 true, /* the default machine */
190 bfd_default_compatible,