1 /* BFD library support routines for the i960 architecture.
2 Copyright (C) 1990-2016 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, 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 (const bfd_arch_info_type *ap,
34 unsigned long machine;
35 int fail_because_not_80960 = FALSE;
37 /* Look for the string i960 at the front of the string. */
38 if (strncasecmp ("i960", string, 4) == 0)
42 /* i960 on it's own means core to us. */
44 return ap->mach == bfd_mach_i960_core;
46 /* "i960:*" is valid, anything else is not. */
52 /* In some bfds the cpu-id is written as "80960KA", "80960KB",
53 "80960CA" or "80960MC". */
54 else if (CONST_STRNEQ (string, "80960"))
58 /* Set this to TRUE here. If a correct matching postfix
59 is detected below it will be reset to FALSE. */
60 fail_because_not_80960 = TRUE;
62 /* No match, can't be us. */
69 if (string[0] == 'c' && string[1] == 'o' && string[2] == 'r' &&
70 string[3] == 'e' && string[4] == '\0')
71 machine = bfd_mach_i960_core;
72 else if (strcasecmp (string, "ka_sa") == 0)
73 machine = bfd_mach_i960_ka_sa;
74 else if (strcasecmp (string, "kb_sb") == 0)
75 machine = bfd_mach_i960_kb_sb;
76 else if (string[1] == '\0' || string[2] != '\0') /* rest are 2-char. */
78 else if (string[0] == 'k' && string[1] == 'b')
79 { machine = bfd_mach_i960_kb_sb; fail_because_not_80960 = FALSE; }
80 else if (string[0] == 's' && string[1] == 'b')
81 machine = bfd_mach_i960_kb_sb;
82 else if (string[0] == 'm' && string[1] == 'c')
83 { machine = bfd_mach_i960_mc; fail_because_not_80960 = FALSE; }
84 else if (string[0] == 'x' && string[1] == 'a')
85 machine = bfd_mach_i960_xa;
86 else if (string[0] == 'c' && string[1] == 'a')
87 { machine = bfd_mach_i960_ca; fail_because_not_80960 = FALSE; }
88 else if (string[0] == 'k' && string[1] == 'a')
89 { machine = bfd_mach_i960_ka_sa; fail_because_not_80960 = FALSE; }
90 else if (string[0] == 's' && string[1] == 'a')
91 machine = bfd_mach_i960_ka_sa;
92 else if (string[0] == 'j' && string[1] == 'x')
93 machine = bfd_mach_i960_jx;
94 else if (string[0] == 'h' && string[1] == 'x')
95 machine = bfd_mach_i960_hx;
99 if (fail_because_not_80960)
102 if (machine == ap->mach)
108 /* This routine is provided two arch_infos and works out the i960
109 machine which would be compatible with both and returns a pointer
110 to its info structure */
112 static const bfd_arch_info_type *
113 compatible (const bfd_arch_info_type *a,
114 const bfd_arch_info_type *b)
117 /* The i960 has distinct subspecies which may not interbreed:
121 Any architecture on the same line is compatible, the one on
122 the right is the least restrictive.
124 We represent this information in an array, each machine to a side */
127 #define CORE bfd_mach_i960_core /*1*/
128 #define KA bfd_mach_i960_ka_sa /*2*/
129 #define KB bfd_mach_i960_kb_sb /*3*/
130 #define MC bfd_mach_i960_mc /*4*/
131 #define XA bfd_mach_i960_xa /*5*/
132 #define CA bfd_mach_i960_ca /*6*/
133 #define JX bfd_mach_i960_jx /*7*/
134 #define HX bfd_mach_i960_hx /*8*/
135 #define MAX_ARCH ((int)HX)
137 static const unsigned long matrix[MAX_ARCH+1][MAX_ARCH+1] =
139 { ERROR, CORE, KA, KB, MC, XA, CA, JX, HX },
140 { CORE, CORE, KA, KB, MC, XA, CA, JX, HX },
141 { KA, KA, KA, KB, MC, XA, ERROR, ERROR, ERROR},
142 { KB, KB, KB, KB, MC, XA, ERROR, ERROR, ERROR},
143 { MC, MC, MC, MC, MC, XA, ERROR, ERROR, ERROR},
144 { XA, XA, XA, XA, XA, XA, ERROR, ERROR, ERROR},
145 { CA, CA, ERROR, ERROR, ERROR, ERROR, CA, ERROR, ERROR},
146 { JX, JX, ERROR, ERROR, ERROR, ERROR, ERROR, JX, HX },
147 { HX, HX, ERROR, ERROR, ERROR, ERROR, ERROR, HX, HX },
150 if (a->arch != b->arch || matrix[a->mach][b->mach] == ERROR)
153 return (a->mach == matrix[a->mach][b->mach]) ? a : b;
157 { 32, 32, 8,bfd_arch_i960,a,"i960",b,3,d,compatible,scan_960_mach, \
158 bfd_arch_default_fill, n,}
160 static const bfd_arch_info_type arch_info_struct[] =
162 N(bfd_mach_i960_ka_sa,"i960:ka_sa",FALSE, &arch_info_struct[1]),
163 N(bfd_mach_i960_kb_sb,"i960:kb_sb",FALSE, &arch_info_struct[2]),
164 N(bfd_mach_i960_mc, "i960:mc", FALSE, &arch_info_struct[3]),
165 N(bfd_mach_i960_xa, "i960:xa", FALSE, &arch_info_struct[4]),
166 N(bfd_mach_i960_ca, "i960:ca", FALSE, &arch_info_struct[5]),
167 N(bfd_mach_i960_jx, "i960:jx", FALSE, &arch_info_struct[6]),
168 N(bfd_mach_i960_hx, "i960:hx", FALSE, 0),
171 const bfd_arch_info_type bfd_i960_arch =
172 N(bfd_mach_i960_core, "i960:core", TRUE, &arch_info_struct[0]);