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1 | /* Processor capability information handling macros - aarch64 version. |
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2 | Copyright (C) 2017-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #ifndef _DL_PROCINFO_H |
20 | #define _DL_PROCINFO_H 1 |
21 | |
22 | #include <sys/auxv.h> |
23 | #include <unistd.h> |
24 | #include <ldsodefs.h> |
25 | #include <sysdep.h> |
26 | |
27 | /* We cannot provide a general printing function. */ |
28 | #define _dl_procinfo(type, word) -1 |
29 | |
30 | /* No additional library search paths. */ |
31 | #define HWCAP_IMPORTANT HWCAP_ATOMICS |
32 | |
33 | static inline const char * |
34 | __attribute__ ((unused)) |
35 | _dl_hwcap_string (int idx) |
36 | { |
37 | return (unsigned)idx < _DL_HWCAP_COUNT ? GLRO(dl_aarch64_cap_flags)[idx] : ""; |
38 | }; |
39 | |
40 | static inline int |
41 | __attribute__ ((unused)) |
42 | _dl_string_hwcap (const char *str) |
43 | { |
44 | for (int i = 0; i < _DL_HWCAP_COUNT; i++) |
45 | { |
46 | if (strcmp (str, _dl_hwcap_string (i)) == 0) |
47 | return i; |
48 | } |
49 | return -1; |
50 | }; |
51 | |
52 | /* There're no platforms to filter out. */ |
53 | #define _DL_HWCAP_PLATFORM 0 |
54 | |
55 | #define _dl_string_platform(str) (-1) |
56 | |
57 | #endif /* dl-procinfo.h */ |
58 |
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