// SPDX-License-Identifier: GPL-2.0-only /* * Fast user context implementation of clock_gettime, gettimeofday, and time. * * Copyright 2006 Andi Kleen, SUSE Labs. * Copyright 2019 ARM Limited * * 32 Bit compat layer by Stefani Seibold * sponsored by Rohde & Schwarz GmbH & Co. KG Munich/Germany */ #include #include #include #include "../../../../lib/vdso/gettimeofday.c" extern int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz); extern time_t __vdso_time(time_t *t); int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz) { return __cvdso_gettimeofday(tv, tz); } int gettimeofday(struct __kernel_old_timeval *, struct timezone *) __attribute__((weak, alias("__vdso_gettimeofday"))); time_t __vdso_time(time_t *t) { return __cvdso_time(t); } time_t time(time_t *t) __attribute__((weak, alias("__vdso_time"))); #if defined(CONFIG_X86_64) && !defined(BUILD_VDSO32_64) /* both 64-bit and x32 use these */ extern int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts); int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts) { return __cvdso_clock_gettime(clock, ts); } int clock_gettime(clockid_t, struct __kernel_timespec *) __attribute__((weak, alias("__vdso_clock_gettime"))); #else /* i386 only */ extern int __vdso_clock_gettime(clockid_t clock, struct old_timespec32 *ts); int __vdso_clock_gettime(clockid_t clock, struct old_timespec32 *ts) { return __cvdso_clock_gettime32(clock, ts); } int clock_gettime(clockid_t, struct old_timespec32 *) __attribute__((weak, alias("__vdso_clock_gettime"))); #endif