/* Copyright (C) 2007-2018 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 . */ #ifdef SHARED # include # include int (*VDSO_SYMBOL(gettimeofday)) (struct timeval *, void *) attribute_hidden; int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *); int (*VDSO_SYMBOL(clock_getres)) (clockid_t, struct timespec *); static inline void _libc_vdso_platform_setup (void) { #ifdef __LP64__ PREPARE_VERSION (linux_version, "LINUX_2.6.39", 123718537); #else PREPARE_VERSION (linux_version, "LINUX_4.9", 61765625); #endif void *p = _dl_vdso_vsym ("__kernel_gettimeofday", &linux_version); PTR_MANGLE (p); VDSO_SYMBOL(gettimeofday) = p; p = _dl_vdso_vsym ("__kernel_clock_gettime", &linux_version); PTR_MANGLE (p); VDSO_SYMBOL(clock_gettime) = p; p = _dl_vdso_vsym ("__kernel_clock_getres", &linux_version); PTR_MANGLE (p); VDSO_SYMBOL(clock_getres) = p; } # define VDSO_SETUP _libc_vdso_platform_setup #endif #include