1 /* BFD support for the ARM processor
2 Copyright 1994, 1997, 1999, 2000, 2002 Free Software Foundation, Inc.
3 Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
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. */
25 static const bfd_arch_info_type * compatible
26 PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
27 static bfd_boolean scan
28 PARAMS ((const struct bfd_arch_info *, const char *));
30 /* This routine is provided two arch_infos and works out which ARM
31 machine which would be compatible with both and returns a pointer
32 to its info structure. */
34 static const bfd_arch_info_type *
36 const bfd_arch_info_type * a;
37 const bfd_arch_info_type * b;
39 /* If a & b are for different architecture we can do nothing. */
40 if (a->arch != b->arch)
43 /* If a & b are for the same machine then all is well. */
44 if (a->mach == b->mach)
47 /* Otherwise if either a or b is the 'default' machine
48 then it can be polymorphed into the other. */
55 /* So far all newer ARM architecture cores are
56 supersets of previous cores. */
57 if (a->mach < b->mach)
59 else if (a->mach > b->mach)
73 { bfd_mach_arm_2, "arm2" },
74 { bfd_mach_arm_2a, "arm250" },
75 { bfd_mach_arm_2a, "arm3" },
76 { bfd_mach_arm_3, "arm6" },
77 { bfd_mach_arm_3, "arm60" },
78 { bfd_mach_arm_3, "arm600" },
79 { bfd_mach_arm_3, "arm610" },
80 { bfd_mach_arm_3, "arm7" },
81 { bfd_mach_arm_3, "arm710" },
82 { bfd_mach_arm_3, "arm7500" },
83 { bfd_mach_arm_3, "arm7d" },
84 { bfd_mach_arm_3, "arm7di" },
85 { bfd_mach_arm_3M, "arm7dm" },
86 { bfd_mach_arm_3M, "arm7dmi" },
87 { bfd_mach_arm_4T, "arm7tdmi" },
88 { bfd_mach_arm_4, "arm8" },
89 { bfd_mach_arm_4, "arm810" },
90 { bfd_mach_arm_4, "arm9" },
91 { bfd_mach_arm_4, "arm920" },
92 { bfd_mach_arm_4T, "arm920t" },
93 { bfd_mach_arm_4T, "arm9tdmi" },
94 { bfd_mach_arm_4, "sa1" },
95 { bfd_mach_arm_4, "strongarm"},
96 { bfd_mach_arm_4, "strongarm110" },
97 { bfd_mach_arm_4, "strongarm1100" },
98 { bfd_mach_arm_XScale, "xscale" }
103 const struct bfd_arch_info * info;
108 /* First test for an exact match. */
109 if (strcasecmp (string, info->printable_name) == 0)
112 /* Next check for a processor name instead of an Architecture name. */
113 for (i = sizeof (processors) / sizeof (processors[0]); i--;)
115 if (strcasecmp (string, processors [i].name) == 0)
119 if (i != -1 && info->mach == processors [i].mach)
122 /* Finally check for the default architecture. */
123 if (strcasecmp (string, "arm") == 0)
124 return info->the_default;
129 #define N(number, print, default, next) \
130 { 32, 32, 8, bfd_arch_arm, number, "arm", print, 4, default, compatible, scan, next }
132 static const bfd_arch_info_type arch_info_struct[] =
134 N (bfd_mach_arm_2, "armv2", FALSE, & arch_info_struct[1]),
135 N (bfd_mach_arm_2a, "armv2a", FALSE, & arch_info_struct[2]),
136 N (bfd_mach_arm_3, "armv3", FALSE, & arch_info_struct[3]),
137 N (bfd_mach_arm_3M, "armv3m", FALSE, & arch_info_struct[4]),
138 N (bfd_mach_arm_4, "armv4", FALSE, & arch_info_struct[5]),
139 N (bfd_mach_arm_4T, "armv4t", FALSE, & arch_info_struct[6]),
140 N (bfd_mach_arm_5, "armv5", FALSE, & arch_info_struct[7]),
141 N (bfd_mach_arm_5T, "armv5t", FALSE, & arch_info_struct[8]),
142 N (bfd_mach_arm_5TE, "armv5te", FALSE, & arch_info_struct[9]),
143 N (bfd_mach_arm_XScale, "xscale", FALSE, NULL)
146 const bfd_arch_info_type bfd_arm_arch =
147 N (0, "arm", TRUE, & arch_info_struct[0]);