1 /* BFD library support routines for the i960 architecture.
2 Copyright 1990, 1991, 1993, 1994, 1996, 1999, 2000
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. */
26 /* This routine is provided a string, and tries to work out if it
27 could possibly refer to the i960 machine pointed at in the
28 info_struct pointer */
31 scan_960_mach (ap, string)
32 const bfd_arch_info_type *ap;
35 unsigned long machine;
36 int fail_because_not_80960 = false;
38 /* Look for the string i960 at the front of the string. */
39 if (strncasecmp ("i960", string, 4) == 0)
43 /* i960 on it's own means core to us. */
45 return ap->mach == bfd_mach_i960_core;
47 /* "i960:*" is valid, anything else is not. */
53 /* In some bfds the cpu-id is written as "80960KA", "80960KB",
54 "80960CA" or "80960MC". */
55 else if (strncmp ("80960", string, 5) == 0)
59 /* Sett his to true here. If a correct matching postfix
60 is detected below it will be reset to false. */
61 fail_because_not_80960 = true;
63 /* No match, can't be us. */
70 if (string[0] == 'c' && string[1] == 'o' && string[2] == 'r' &&
71 string[3] == 'e' && string[4] == '\0')
72 machine = bfd_mach_i960_core;
73 else if (strcasecmp (string, "ka_sa") == 0)
74 machine = bfd_mach_i960_ka_sa;
75 else if (strcasecmp (string, "kb_sb") == 0)
76 machine = bfd_mach_i960_kb_sb;
77 else if (string[1] == '\0' || string[2] != '\0') /* rest are 2-char. */
79 else if (string[0] == 'k' && string[1] == 'b')
80 { machine = bfd_mach_i960_kb_sb; fail_because_not_80960 = false; }
81 else if (string[0] == 's' && string[1] == 'b')
82 machine = bfd_mach_i960_kb_sb;
83 else if (string[0] == 'm' && string[1] == 'c')
84 { machine = bfd_mach_i960_mc; fail_because_not_80960 = false; }
85 else if (string[0] == 'x' && string[1] == 'a')
86 machine = bfd_mach_i960_xa;
87 else if (string[0] == 'c' && string[1] == 'a')
88 { machine = bfd_mach_i960_ca; fail_because_not_80960 = false; }
89 else if (string[0] == 'k' && string[1] == 'a')
90 { machine = bfd_mach_i960_ka_sa; fail_because_not_80960 = false; }
91 else if (string[0] == 's' && string[1] == 'a')
92 machine = bfd_mach_i960_ka_sa;
93 else if (string[0] == 'j' && string[1] == 'x')
94 machine = bfd_mach_i960_jx;
95 else if (string[0] == 'h' && string[1] == 'x')
96 machine = bfd_mach_i960_hx;
100 if (fail_because_not_80960)
103 if (machine == ap->mach)
109 /* This routine is provided two arch_infos and works out the i960
110 machine which would be compatible with both and returns a pointer
111 to its info structure */
113 static const bfd_arch_info_type *
115 const bfd_arch_info_type *a;
116 const bfd_arch_info_type *b;
119 /* The i960 has distinct subspecies which may not interbreed:
123 Any architecture on the same line is compatible, the one on
124 the right is the least restrictive.
126 We represent this information in an array, each machine to a side */
129 #define CORE bfd_mach_i960_core /*1*/
130 #define KA bfd_mach_i960_ka_sa /*2*/
131 #define KB bfd_mach_i960_kb_sb /*3*/
132 #define MC bfd_mach_i960_mc /*4*/
133 #define XA bfd_mach_i960_xa /*5*/
134 #define CA bfd_mach_i960_ca /*6*/
135 #define JX bfd_mach_i960_jx /*7*/
136 #define HX bfd_mach_i960_hx /*8*/
137 #define MAX_ARCH ((int)HX)
139 static CONST unsigned long matrix[MAX_ARCH+1][MAX_ARCH+1] =
141 { ERROR, CORE, KA, KB, MC, XA, CA, JX, HX },
142 { CORE, CORE, KA, KB, MC, XA, CA, JX, HX },
143 { KA, KA, KA, KB, MC, XA, ERROR, ERROR, ERROR},
144 { KB, KB, KB, KB, MC, XA, ERROR, ERROR, ERROR},
145 { MC, MC, MC, MC, MC, XA, ERROR, ERROR, ERROR},
146 { XA, XA, XA, XA, XA, XA, ERROR, ERROR, ERROR},
147 { CA, CA, ERROR, ERROR, ERROR, ERROR, CA, ERROR, ERROR},
148 { JX, JX, ERROR, ERROR, ERROR, ERROR, ERROR, JX, HX },
149 { HX, HX, ERROR, ERROR, ERROR, ERROR, ERROR, HX, HX },
152 if (a->arch != b->arch || matrix[a->mach][b->mach] == ERROR)
158 return (a->mach == matrix[a->mach][b->mach]) ? a : b;
162 int bfd_default_scan_num_mach();
164 { 32, 32, 8,bfd_arch_i960,a,"i960",b,3,d,compatible,scan_960_mach,n,}
166 static const bfd_arch_info_type arch_info_struct[] =
168 N(bfd_mach_i960_ka_sa,"i960:ka_sa",false, &arch_info_struct[1]),
169 N(bfd_mach_i960_kb_sb,"i960:kb_sb",false, &arch_info_struct[2]),
170 N(bfd_mach_i960_mc, "i960:mc", false, &arch_info_struct[3]),
171 N(bfd_mach_i960_xa, "i960:xa", false, &arch_info_struct[4]),
172 N(bfd_mach_i960_ca, "i960:ca", false, &arch_info_struct[5]),
173 N(bfd_mach_i960_jx, "i960:jx", false, &arch_info_struct[6]),
174 N(bfd_mach_i960_hx, "i960:hx", false, 0),
177 const bfd_arch_info_type bfd_i960_arch =
178 N(bfd_mach_i960_core, "i960:core", true, &arch_info_struct[0]);