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 int fail_because_not_80960 = false;
40 for (i = 0; i < strlen (string); i ++)
41 string[i] = tolower (string[i]);
43 /* Look for the string i960 at the front of the string. */
44 if (strncmp ("i960", string, 4) == 0)
48 /* i960 on it's own means core to us. */
50 return ap->mach == bfd_mach_i960_core;
52 /* "i960:*" is valid, anything else is not. */
58 /* In some bfds the cpu-id is written as "80960KA", "80960KB",
59 "80960CA" or "80960MC". */
60 else if (strncmp ("80960", string, 5) == 0)
64 /* Sett his to true here. If a correct matching postfix
65 is detected below it will be reset to false. */
66 fail_because_not_80960 = true;
68 /* No match, can't be us. */
75 if (string[0] == 'c' && string[1] == 'o' && string[2] == 'r' &&
76 string[3] == 'e' && string[4] == '\0')
77 machine = bfd_mach_i960_core;
78 else if (strcmp (string, "ka_sa") == 0)
79 machine = bfd_mach_i960_ka_sa;
80 else if (strcmp (string, "kb_sb") == 0)
81 machine = bfd_mach_i960_kb_sb;
82 else if (string[1] == '\0' || string[2] != '\0') /* rest are 2-char. */
84 else if (string[0] == 'k' && string[1] == 'b')
85 { machine = bfd_mach_i960_kb_sb; fail_because_not_80960 = false; }
86 else if (string[0] == 's' && string[1] == 'b')
87 machine = bfd_mach_i960_kb_sb;
88 else if (string[0] == 'm' && string[1] == 'c')
89 { machine = bfd_mach_i960_mc; fail_because_not_80960 = false; }
90 else if (string[0] == 'x' && string[1] == 'a')
91 machine = bfd_mach_i960_xa;
92 else if (string[0] == 'c' && string[1] == 'a')
93 { machine = bfd_mach_i960_ca; fail_because_not_80960 = false; }
94 else if (string[0] == 'k' && string[1] == 'a')
95 { machine = bfd_mach_i960_ka_sa; fail_because_not_80960 = false; }
96 else if (string[0] == 's' && string[1] == 'a')
97 machine = bfd_mach_i960_ka_sa;
98 else if (string[0] == 'j' && string[1] == 'x')
99 machine = bfd_mach_i960_jx;
100 else if (string[0] == 'h' && string[1] == 'x')
101 machine = bfd_mach_i960_hx;
105 if (fail_because_not_80960)
108 if (machine == ap->mach)
116 /* This routine is provided two arch_infos and works out the i960
117 machine which would be compatible with both and returns a pointer
118 to its info structure */
120 static const bfd_arch_info_type *
122 const bfd_arch_info_type *a;
123 const bfd_arch_info_type *b;
126 /* The i960 has distinct subspecies which may not interbreed:
130 Any architecture on the same line is compatible, the one on
131 the right is the least restrictive.
133 We represent this information in an array, each machine to a side */
136 #define CORE bfd_mach_i960_core /*1*/
137 #define KA bfd_mach_i960_ka_sa /*2*/
138 #define KB bfd_mach_i960_kb_sb /*3*/
139 #define MC bfd_mach_i960_mc /*4*/
140 #define XA bfd_mach_i960_xa /*5*/
141 #define CA bfd_mach_i960_ca /*6*/
142 #define JX bfd_mach_i960_jx /*7*/
143 #define HX bfd_mach_i960_hx /*8*/
144 #define MAX_ARCH ((int)HX)
146 static CONST unsigned long matrix[MAX_ARCH+1][MAX_ARCH+1] =
148 { ERROR, CORE, KA, KB, MC, XA, CA, JX, HX },
149 { CORE, CORE, KA, KB, MC, XA, CA, JX, HX },
150 { KA, KA, KA, KB, MC, XA, ERROR, ERROR, ERROR},
151 { KB, KB, KB, KB, MC, XA, ERROR, ERROR, ERROR},
152 { MC, MC, MC, MC, MC, XA, ERROR, ERROR, ERROR},
153 { XA, XA, XA, XA, XA, XA, ERROR, ERROR, ERROR},
154 { CA, CA, ERROR, ERROR, ERROR, ERROR, CA, ERROR, ERROR},
155 { JX, JX, ERROR, ERROR, ERROR, ERROR, ERROR, JX, HX },
156 { HX, HX, ERROR, ERROR, ERROR, ERROR, ERROR, HX, HX },
160 if (a->arch != b->arch || matrix[a->mach][b->mach] == ERROR)
166 return (a->mach == matrix[a->mach][b->mach]) ? a : b;
172 int bfd_default_scan_num_mach();
174 { 32, 32, 8,bfd_arch_i960,a,"i960",b,3,d,compatible,scan_960_mach,n,}
176 static const bfd_arch_info_type arch_info_struct[] =
178 N(bfd_mach_i960_ka_sa,"i960:ka_sa",false, &arch_info_struct[1]),
179 N(bfd_mach_i960_kb_sb,"i960:kb_sb",false, &arch_info_struct[2]),
180 N(bfd_mach_i960_mc, "i960:mc", false, &arch_info_struct[3]),
181 N(bfd_mach_i960_xa, "i960:xa", false, &arch_info_struct[4]),
182 N(bfd_mach_i960_ca, "i960:ca", false, &arch_info_struct[5]),
183 N(bfd_mach_i960_jx, "i960:jx", false, &arch_info_struct[6]),
184 N(bfd_mach_i960_hx, "i960:hx", false, 0),
187 const bfd_arch_info_type bfd_i960_arch =
188 N(bfd_mach_i960_core, "i960:core", true, &arch_info_struct[0]);