1 /* BFD support for AArch64.
2 Copyright (C) 2009-2019 Free Software Foundation, Inc.
3 Contributed by ARM Ltd.
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; see the file COPYING3. If not,
19 see <http://www.gnu.org/licenses/>. */
24 #include "libiberty.h"
26 /* This routine is provided two arch_infos and works out which Aarch64
27 machine which would be compatible with both and returns a pointer
28 to its info structure. */
30 static const bfd_arch_info_type
*
31 compatible (const bfd_arch_info_type
* a
, const bfd_arch_info_type
* b
)
33 /* If a & b are for different architecture we can do nothing. */
34 if (a
->arch
!= b
->arch
)
37 /* If a & b are for the same machine then all is well. */
38 if (a
->mach
== b
->mach
)
41 /* Don't allow mixing ilp32 with lp64. */
42 if ((a
->mach
& bfd_mach_aarch64_ilp32
) != (b
->mach
& bfd_mach_aarch64_ilp32
))
45 /* Otherwise if either a or b is the 'default' machine
46 then it can be polymorphed into the other. */
53 /* So far all newer cores are
54 supersets of previous cores. */
55 if (a
->mach
< b
->mach
)
57 else if (a
->mach
> b
->mach
)
71 { bfd_mach_aarch64
, "cortex-a34" },
72 { bfd_mach_aarch64
, "cortex-a65" },
73 { bfd_mach_aarch64
, "cortex-a65ae" },
74 { bfd_mach_aarch64
, "cortex-a76ae" },
75 { bfd_mach_aarch64
, "cortex-a77" }
79 scan (const struct bfd_arch_info
*info
, const char *string
)
83 /* First test for an exact match. */
84 if (strcasecmp (string
, info
->printable_name
) == 0)
87 /* Next check for a processor name instead of an Architecture name. */
88 for (i
= sizeof (processors
) / sizeof (processors
[0]); i
--;)
90 if (strcasecmp (string
, processors
[i
].name
) == 0)
94 if (i
!= -1 && info
->mach
== processors
[i
].mach
)
97 /* Finally check for the default architecture. */
98 if (strcasecmp (string
, "aarch64") == 0)
99 return info
->the_default
;
104 #define N(NUMBER, PRINT, WORDSIZE, DEFAULT, NEXT) \
105 { WORDSIZE, WORDSIZE, 8, bfd_arch_aarch64, NUMBER, \
106 "aarch64", PRINT, 4, DEFAULT, compatible, scan, \
107 bfd_arch_default_fill, NEXT }
109 static const bfd_arch_info_type bfd_aarch64_arch_ilp32
=
110 N (bfd_mach_aarch64_ilp32
, "aarch64:ilp32", 32, FALSE
, NULL
);
112 const bfd_arch_info_type bfd_aarch64_arch
=
113 N (0, "aarch64", 64, TRUE
, &bfd_aarch64_arch_ilp32
);
116 bfd_is_aarch64_special_symbol_name (const char *name
, int type
)
118 if (!name
|| name
[0] != '$')
120 if (name
[1] == 'x' || name
[1] == 'd')
121 type
&= BFD_AARCH64_SPECIAL_SYM_TYPE_MAP
;
122 else if (name
[1] == 'm' || name
[1] == 'f' || name
[1] == 'p')
123 type
&= BFD_AARCH64_SPECIAL_SYM_TYPE_TAG
;
127 return (type
!= 0 && (name
[2] == 0 || name
[2] == '.'));