| /* RISC-V VDSO initialization |
| Copyright (C) 2017-2018 Free Software Foundation, Inc. |
| |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public License as |
| published by the Free Software Foundation; either version 2.1 of the |
| License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifdef SHARED |
| # include <dl-vdso.h> |
| # include <libc-vdso.h> |
| |
| long int (*VDSO_SYMBOL (getcpu)) (unsigned int *, unsigned int *, void *) |
| attribute_hidden; |
| long int (*VDSO_SYMBOL (gettimeofday)) (struct timeval *, void *) |
| attribute_hidden; |
| long int (*VDSO_SYMBOL (clock_gettime)) (clockid_t, struct timespec *) |
| attribute_hidden; |
| long int (*VDSO_SYMBOL (clock_getres)) (clockid_t, struct timespec *) |
| attribute_hidden; |
| |
| static inline void |
| _libc_vdso_platform_setup (void) |
| { |
| PREPARE_VERSION_KNOWN (linux_version, LINUX_4_15); |
| |
| void *p = _dl_vdso_vsym ("__vdso_getcpu", &linux_version); |
| PTR_MANGLE (p); |
| VDSO_SYMBOL (getcpu) = p; |
| |
| p = _dl_vdso_vsym ("__vdso_gettimeofday", &linux_version); |
| PTR_MANGLE (p); |
| VDSO_SYMBOL (gettimeofday) = p; |
| |
| p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux_version); |
| PTR_MANGLE (p); |
| VDSO_SYMBOL (clock_gettime) = p; |
| |
| p = _dl_vdso_vsym ("__vdso_clock_getres", &linux_version); |
| PTR_MANGLE (p); |
| VDSO_SYMBOL (clock_getres) = p; |
| } |
| |
| # define VDSO_SETUP _libc_vdso_platform_setup |
| #endif |
| |
| #include <csu/init-first.c> |
