1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/* BFD support for the ARM processor
Copyright 1994, 95, 1997 Free Software Foundation, Inc.
Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
static const bfd_arch_info_type *compatible
PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
static boolean scan PARAMS ((const struct bfd_arch_info *, const char *));
/* This routine is provided two arch_infos and works out which ARM
machine which would be compatible with both and returns a pointer
to its info structure */
static const bfd_arch_info_type *
compatible (a,b)
const bfd_arch_info_type * a;
const bfd_arch_info_type * b;
{
/* If a & b are for different architecture we can do nothing */
if (a->arch != b->arch)
return NULL;
/* If a & b are for the same machine then all is well */
if (a->mach == b->mach)
return a;
/* Otherwise if either a or b is the 'default' machine then
it can be polymorphed into the other */
if (a->the_default)
return b;
if (b->the_default)
return a;
/* So far all newer ARM architecture cores are supersets of previous cores */
if (a->mach < b->mach)
return b;
else if (a->mach > b->mach)
return a;
/* Never reached! */
return NULL;
}
static struct
{
enum bfd_architecture arch;
char * name;
}
processors[] =
{
{ bfd_mach_arm_2, "arm2" },
{ bfd_mach_arm_2a, "arm250" },
{ bfd_mach_arm_2a, "arm3" },
{ bfd_mach_arm_3, "arm6" },
{ bfd_mach_arm_3, "arm60" },
{ bfd_mach_arm_3, "arm600" },
{ bfd_mach_arm_3, "arm610" },
{ bfd_mach_arm_3, "arm7" },
{ bfd_mach_arm_3, "arm710" },
{ bfd_mach_arm_3, "arm7500" },
{ bfd_mach_arm_3, "arm7d" },
{ bfd_mach_arm_3, "arm7di" },
{ bfd_mach_arm_3M, "arm7dm" },
{ bfd_mach_arm_3M, "arm7dmi" },
{ bfd_mach_arm_4, "arm8" },
{ bfd_mach_arm_4, "arm810" },
{ bfd_mach_arm_4, "sa1" },
{ bfd_mach_arm_4T, "arm7tdmi" }
};
static boolean
scan (info, string)
const struct bfd_arch_info * info;
const char * string;
{
int i;
/* First test for an exact match */
if (strcasecmp (string, info->printable_name) == 0)
return true;
/* Next check for a processor name instead of an Architecture name */
for (i = sizeof (processors) / sizeof (processors[0]); i--;)
{
if (strcasecmp (string, processors[ i ].name) == 0)
break;
}
if (i != -1 && info->arch == processors[ i ].arch)
return true;
/* Finally check for the default architecture */
if (strcasecmp (string, "arm") == 0)
return info->the_default;
return false;
}
#define N(number, print, default, next) \
{ 32, 32, 8, bfd_arch_arm, number, "arm", print, 4, default, compatible, scan, next }
static const bfd_arch_info_type arch_info_struct[] =
{
N( bfd_mach_arm_2, "armv2", false, & arch_info_struct[1] ),
N( bfd_mach_arm_2a, "armv2a", false, & arch_info_struct[2] ),
N( bfd_mach_arm_3, "armv3", false, & arch_info_struct[3] ),
N( bfd_mach_arm_3M, "armv3m", false, & arch_info_struct[4] ),
N( bfd_mach_arm_4, "armv4", false, & arch_info_struct[5] ),
N( bfd_mach_arm_4T, "armv4t", false, NULL )
};
const bfd_arch_info_type bfd_arm_arch =
N( 0, "arm", true, & arch_info_struct[0] );
|
