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)) _dl_string_platform(const char * str)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