1 | /* x86 version of processor capability information handling macros. |
2 | Copyright (C) 2017-2021 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 | #include <ldsodefs.h> |
22 | #include <dl-hwcap.h> |
23 | |
24 | #define _DL_HWCAP_COUNT HWCAP_COUNT |
25 | #define _DL_PLATFORMS_COUNT HWCAP_PLATFORMS_COUNT |
26 | |
27 | /* Start at 48 to reserve spaces for hardware capabilities. */ |
28 | #define _DL_FIRST_PLATFORM 48 |
29 | /* Mask to filter out platforms. */ |
30 | #define _DL_HWCAP_PLATFORM (((1ULL << _DL_PLATFORMS_COUNT) - 1) \ |
31 | << _DL_FIRST_PLATFORM) |
32 | |
33 | static inline int |
34 | __attribute__ ((unused, always_inline)) |
35 | _dl_string_platform (const char *str) |
36 | { |
37 | int i; |
38 | |
39 | if (str != NULL) |
40 | for (i = HWCAP_PLATFORMS_START; i < HWCAP_PLATFORMS_COUNT; ++i) |
41 | { |
42 | if (strcmp (str, GLRO(dl_x86_platforms)[i]) == 0) |
43 | return _DL_FIRST_PLATFORM + i; |
44 | } |
45 | return -1; |
46 | }; |
47 | |
48 | #endif /* dl-procinfo.h */ |
49 | |