1/* x86 version of processor capability information handling macros.
2 Copyright (C) 2017-2023 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
33static 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