1 /* BFD library support routines for the i960 architecture.
2 Copyright (C) 1990, 91, 92, 93, 94 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. */
27 /* This routine is provided a string, and tries to work out if it
28 could possibly refer to the i960 machine pointed at in the
29 info_struct pointer */
32 scan_960_mach (ap, string)
33 const bfd_arch_info_type *ap;
36 unsigned long machine;
38 /* Look for the string i960, or somesuch at the front of the string */
40 if (strncmp("i960",string,4) == 0) {
44 /* no match, can be us */
48 /* i960 on it's own means core to us*/
49 if (ap->mach == bfd_mach_i960_core) return true;
53 if (string[0] != ':') {
57 if (string[0] == '\0')
59 if (string[0] == 'c' && string[1] == 'o' && string[2] == 'r' &&
60 string[3] == 'e' && string[4] == '\0')
61 machine = bfd_mach_i960_core;
62 else if (string[1] == '\0' || string[2] != '\0') /* rest are 2-char */
64 else if (string[0] == 'k' && string[1] == 'b')
65 machine = bfd_mach_i960_kb_sb;
66 else if (string[0] == 's' && string[1] == 'b')
67 machine = bfd_mach_i960_kb_sb;
68 else if (string[0] == 'm' && string[1] == 'c')
69 machine = bfd_mach_i960_mc;
70 else if (string[0] == 'x' && string[1] == 'a')
71 machine = bfd_mach_i960_xa;
72 else if (string[0] == 'c' && string[1] == 'a')
73 machine = bfd_mach_i960_ca;
74 else if (string[0] == 'k' && string[1] == 'a')
75 machine = bfd_mach_i960_ka_sa;
76 else if (string[0] == 's' && string[1] == 'a')
77 machine = bfd_mach_i960_ka_sa;
78 /* start-sanitize-i960xl */
79 else if (string[0] == 'x' && string[1] == 'l')
80 machine = bfd_mach_i960_xl;
81 /* end-sanitize-i960xl */
82 else if (string[0] == 'h' && string[1] == 'x')
83 machine = bfd_mach_i960_hx;
86 if (machine == ap->mach) return true;
92 /* This routine is provided two arch_infos and works out the i960
93 machine which would be compatible with both and returns a pointer
94 to its info structure */
96 static const bfd_arch_info_type *
98 const bfd_arch_info_type *a;
99 const bfd_arch_info_type *b;
102 /* The i960 has distinct subspecies which may not interbreed:
105 start-sanitize-i960xl
108 Any architecture on the same line is compatible, the one on
109 the right is the least restrictive.
111 We represent this information in an array, each machine to a side */
114 #define CORE bfd_mach_i960_core /*1*/
115 #define KA bfd_mach_i960_ka_sa /*2*/
116 #define KB bfd_mach_i960_kb_sb /*3*/
117 #define MC bfd_mach_i960_mc /*4*/
118 #define XA bfd_mach_i960_xa /*5*/
119 #define CA bfd_mach_i960_ca /*6*/
120 /* start-sanitize-i960xl */
121 #define XL bfd_mach_i960_xl /*7*/
122 /* end-sanitize-i960xl */
123 #define HX bfd_mach_i960_hx /*8*/
124 #define MAX_ARCH ((int)HX)
126 static CONST unsigned long matrix[MAX_ARCH+1][MAX_ARCH+1] =
128 { ERROR, CORE, KA, KB, MC, XA, CA, 7, HX },
129 { CORE, CORE, KA, KB, MC, XA, CA, 7, HX },
130 { KA, KA, KA, KB, MC, XA, ERROR, ERROR, ERROR},
131 { KB, KB, KB, KB, MC, XA, ERROR, ERROR, ERROR},
132 { MC, MC, MC, MC, MC, XA, ERROR, ERROR, ERROR},
133 { XA, XA, XA, XA, XA, XA, ERROR, ERROR, ERROR},
134 { CA, CA, ERROR, ERROR, ERROR, ERROR, CA, ERROR, ERROR},
135 { 7, ERROR, ERROR, ERROR, ERROR, ERROR, ERROR, 7 },
136 { HX, ERROR, ERROR, ERROR, ERROR, ERROR, ERROR, 8 },
140 if (a->arch != b->arch || matrix[a->mach][b->mach] == ERROR)
146 return (a->mach == matrix[a->mach][b->mach]) ? a : b;
152 int bfd_default_scan_num_mach();
154 { 32, 32, 8,bfd_arch_i960,a,"i960",b,3,d,compatible,scan_960_mach,n,}
156 static const bfd_arch_info_type arch_info_struct[] =
158 N(bfd_mach_i960_ka_sa,"i960:ka_sa",false, &arch_info_struct[1]),
159 N(bfd_mach_i960_kb_sb,"i960:kb_sb",false, &arch_info_struct[2]),
160 N(bfd_mach_i960_mc, "i960:mc", false, &arch_info_struct[3]),
161 N(bfd_mach_i960_xa, "i960:xa", false, &arch_info_struct[4]),
162 N(bfd_mach_i960_ca, "i960:ca", false, &arch_info_struct[5]),
163 /* start-sanitize-i960xl */
164 N(bfd_mach_i960_xl, "i960:xl", false, &arch_info_struct[6]),
165 /* end-sanitize-i960xl */
166 N(bfd_mach_i960_hx, "i960:hx", false, 0),
169 const bfd_arch_info_type bfd_i960_arch =
170 N(bfd_mach_i960_core, "i960:core", true, &arch_info_struct[0]);