1 /* BFD library support routines for the i960 architecture.
2 Copyright (C) 1990, 91, 92, 93, 94, 95, 1996 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 (strcmp (string, "ka_sa") == 0)
63 machine = bfd_mach_i960_ka_sa;
64 else if (strcmp (string, "kb_sb") == 0)
65 machine = bfd_mach_i960_kb_sb;
66 else if (string[1] == '\0' || string[2] != '\0') /* rest are 2-char */
68 else if (string[0] == 'k' && string[1] == 'b')
69 machine = bfd_mach_i960_kb_sb;
70 else if (string[0] == 's' && string[1] == 'b')
71 machine = bfd_mach_i960_kb_sb;
72 else if (string[0] == 'm' && string[1] == 'c')
73 machine = bfd_mach_i960_mc;
74 else if (string[0] == 'x' && string[1] == 'a')
75 machine = bfd_mach_i960_xa;
76 else if (string[0] == 'c' && string[1] == 'a')
77 machine = bfd_mach_i960_ca;
78 else if (string[0] == 'k' && string[1] == 'a')
79 machine = bfd_mach_i960_ka_sa;
80 else if (string[0] == 's' && string[1] == 'a')
81 machine = bfd_mach_i960_ka_sa;
82 else if (string[0] == 'j' && string[1] == 'x')
83 machine = bfd_mach_i960_jx;
84 else if (string[0] == 'h' && string[1] == 'x')
85 machine = bfd_mach_i960_hx;
88 if (machine == ap->mach) return true;
94 /* This routine is provided two arch_infos and works out the i960
95 machine which would be compatible with both and returns a pointer
96 to its info structure */
98 static const bfd_arch_info_type *
100 const bfd_arch_info_type *a;
101 const bfd_arch_info_type *b;
104 /* The i960 has distinct subspecies which may not interbreed:
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 #define JX bfd_mach_i960_jx /*7*/
121 #define HX bfd_mach_i960_hx /*8*/
122 #define MAX_ARCH ((int)HX)
124 static CONST unsigned long matrix[MAX_ARCH+1][MAX_ARCH+1] =
126 { ERROR, CORE, KA, KB, MC, XA, CA, JX, HX },
127 { CORE, CORE, KA, KB, MC, XA, CA, JX, HX },
128 { KA, KA, KA, KB, MC, XA, ERROR, ERROR, ERROR},
129 { KB, KB, KB, KB, MC, XA, ERROR, ERROR, ERROR},
130 { MC, MC, MC, MC, MC, XA, ERROR, ERROR, ERROR},
131 { XA, XA, XA, XA, XA, XA, ERROR, ERROR, ERROR},
132 { CA, CA, ERROR, ERROR, ERROR, ERROR, CA, ERROR, ERROR},
133 { JX, JX, ERROR, ERROR, ERROR, ERROR, ERROR, JX, HX },
134 { HX, HX, ERROR, ERROR, ERROR, ERROR, ERROR, HX, HX },
138 if (a->arch != b->arch || matrix[a->mach][b->mach] == ERROR)
144 return (a->mach == matrix[a->mach][b->mach]) ? a : b;
150 int bfd_default_scan_num_mach();
152 { 32, 32, 8,bfd_arch_i960,a,"i960",b,3,d,compatible,scan_960_mach,n,}
154 static const bfd_arch_info_type arch_info_struct[] =
156 N(bfd_mach_i960_ka_sa,"i960:ka_sa",false, &arch_info_struct[1]),
157 N(bfd_mach_i960_kb_sb,"i960:kb_sb",false, &arch_info_struct[2]),
158 N(bfd_mach_i960_mc, "i960:mc", false, &arch_info_struct[3]),
159 N(bfd_mach_i960_xa, "i960:xa", false, &arch_info_struct[4]),
160 N(bfd_mach_i960_ca, "i960:ca", false, &arch_info_struct[5]),
161 N(bfd_mach_i960_jx, "i960:jx", false, &arch_info_struct[6]),
162 N(bfd_mach_i960_hx, "i960:hx", false, 0),
165 const bfd_arch_info_type bfd_i960_arch =
166 N(bfd_mach_i960_core, "i960:core", true, &arch_info_struct[0]);