1 /* Processor capability information handling macros - aarch64 version. 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)) _dl_hwcap_string(int idx)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)) _dl_string_hwcap(const char * str)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