1 /* BFD library support routines for the Z800n architecture.
2 Copyright (C) 1992 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. */
26 #if 0 /* not used currently */
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);
54 static bfd_reloc_status_type
55 howto8_callback (abfd, reloc_entry, symbol_in, data,
56 ignore_input_section, ignore_bfd)
59 struct symbol_cache_entry *symbol_in;
61 asection *ignore_input_section;
65 bfd_vma addr = reloc_entry->address;
66 long x = bfd_get_8 (abfd, (bfd_byte *) data + addr);
68 HOWTO_PREPARE (relocation, symbol_in);
70 x = (x + relocation + reloc_entry->addend);
72 bfd_put_8 (abfd, x, (bfd_byte *) data + addr);
77 static bfd_reloc_status_type
78 howto8_FFnn_callback (abfd, reloc_entry, symbol_in, data,
79 ignore_input_section, ignore_bfd)
82 struct symbol_cache_entry *symbol_in;
84 asection *ignore_input_section;
88 bfd_vma addr = reloc_entry->address;
90 long x = bfd_get_8 (abfd, (bfd_byte *) data + addr);
92 HOWTO_PREPARE (relocation, symbol_in);
94 x = (x + relocation + reloc_entry->addend);
96 bfd_put_8 (abfd, x, (bfd_byte *) data + addr);
100 static bfd_reloc_status_type
101 howto8_pcrel_callback (abfd, reloc_entry, symbol_in, data,
102 ignore_input_section, ignore_bfd)
104 arelent *reloc_entry;
105 struct symbol_cache_entry *symbol_in;
107 asection *ignore_input_section;
111 bfd_vma addr = reloc_entry->address;
112 long x = bfd_get_8 (abfd, (bfd_byte *) data + addr);
114 HOWTO_PREPARE (relocation, symbol_in);
116 x = (x + relocation + reloc_entry->addend);
118 bfd_put_8 (abfd, x, (bfd_byte *) data + addr);
124 static reloc_howto_type howto_16
125 = NEWHOWTO (howto16_callback, "abs16", 1, false, false);
126 static reloc_howto_type howto_8
127 = NEWHOWTO (howto8_callback, "abs8", 0, false, false);
129 static reloc_howto_type howto_8_FFnn
130 = NEWHOWTO (howto8_FFnn_callback, "ff00+abs8", 0, false, false);
132 static reloc_howto_type howto_8_pcrel
133 = NEWHOWTO (howto8_pcrel_callback, "pcrel8", 0, false, true);
136 static reloc_howto_type *
137 local_bfd_reloc_type_lookup (arch, code)
138 const struct bfd_arch_info *arch;
139 bfd_reloc_code_real_type code;
145 case BFD_RELOC_8_FFnn:
146 return &howto_8_FFnn;
149 case BFD_RELOC_8_PCREL:
150 return &howto_8_pcrel;
152 return (reloc_howto_type *) NULL;
157 int bfd_default_scan_num_mach ();
160 scan_mach (info, string)
161 const struct bfd_arch_info *info;
164 if (strcmp (string, "z8001") == 0 || strcmp (string, "z8k") == 0)
166 return bfd_mach_z8001 == info->mach;
168 if (strcmp (string, "z8002") == 0)
170 return bfd_mach_z8002 == info->mach;
176 /* This routine is provided two arch_infos and returns whether
177 they'd be compatible */
179 static const bfd_arch_info_type *
181 const bfd_arch_info_type *a;
182 const bfd_arch_info_type *b;
184 if (a->arch != b->arch || a->mach != b->mach)
190 static const bfd_arch_info_type arch_info_struct[] =
192 {32, 32, 8, bfd_arch_z8k, bfd_mach_z8001, "z8k", "z8001", 1, false, compatible, scan_mach, 0,},
195 const bfd_arch_info_type bfd_z8k_arch =
197 32, 16, 8, bfd_arch_z8k, bfd_mach_z8002, "z8k", "z8002", 1, true, compatible, scan_mach, &arch_info_struct[0],