1 /* BFD library support routines for the i960 architecture.
2 Copyright (C) 1990-1991 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., 675 Mass Ave, Cambridge, MA 02139, 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 DEFUN(scan_960_mach
, (ap
, string
),
33 CONST bfd_arch_info_struct_type
*ap AND
36 unsigned long machine
;
38 /* Look for the string i960, or somesuch at the front of the string */
40 if (strncmp("i960",string
) == 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
;
80 if (machine
== ap
->mach
) return true;
86 /* This routine is provided two arch_infos and works out the i960
87 machine which would be compatible with both and returns a pointer
88 to its info structure */
90 CONST bfd_arch_info_struct_type
*
91 DEFUN(compatible
,(a
,b
),
92 CONST bfd_arch_info_struct_type
*a AND
93 CONST bfd_arch_info_struct_type
*b
)
96 /* The i960 has two distinct subspecies which may not interbreed:
99 Any architecture on the same line is compatible, the one on
100 the right is the least restrictive.
102 We represent this information in an array, each machine to a side */
105 #define CORE bfd_mach_i960_core /*1*/
106 #define KA bfd_mach_i960_ka_sa /*2*/
107 #define KB bfd_mach_i960_kb_sb /*3*/
108 #define MC bfd_mach_i960_mc /*4*/
109 #define XA bfd_mach_i960_xa /*5*/
110 #define CA bfd_mach_i960_ca /*6*/
113 static CONST
char matrix
[7][7] =
115 ERROR
,CORE
, KA
, KB
, MC
, XA
, CA
,
116 CORE
, CORE
, KA
, KB
, MC
, XA
, CA
,
117 KA
, KA
, KA
, KB
, MC
, XA
, ERROR
,
118 KB
, KB
, KB
, KB
, MC
, XA
, ERROR
,
119 MC
, MC
, MC
, MC
, MC
, XA
, ERROR
,
120 XA
, XA
, XA
, XA
, XA
, XA
, ERROR
,
121 CA
, CA
, ERROR
, ERROR
, ERROR
, ERROR
, CA
125 if (a
->arch
!= b
->arch
|| matrix
[a
->mach
][b
->mach
] == ERROR
)
127 return (bfd_arch_info_struct_type
*)NULL
;
131 return (a
->mach
== matrix
[a
->mach
][b
->mach
]) ? a
: b
;
137 int bfd_default_scan_num_mach();
139 { 32, 32, 8,bfd_arch_i960,a,"i960",b,d,compatible,scan_960_mach,0,}
141 static bfd_arch_info_struct_type arch_info_struct
[] =
143 N(bfd_mach_i960_core
,"i960:core",true),
144 N(bfd_mach_i960_ka_sa
,"i960:ka_sa",false),
145 N(bfd_mach_i960_kb_sb
,"i960:kb_sb",false),
146 N(bfd_mach_i960_mc
,"i960:mc",false),
147 N(bfd_mach_i960_xa
,"i960:xa",false),
148 N(bfd_mach_i960_ca
,"i960:ca",false)
152 void DEFUN_VOID(bfd_i960_arch
)
155 for (i
= 0; i
< 6; i
++) {
156 bfd_arch_linkin(arch_info_struct
+ i
);