1 files changed, 71 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/aarch64/gettimeofday.c b/sysdeps/unix/sysv/linux/aarch64/gettimeofday.c
new file mode 100644
index 0000000000..8ff83e4e7d
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/aarch64/gettimeofday.c
@@ -0,0 +1,71 @@
+/* Copyright (C) 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/>.  */
+
+/* Get the current time of day and timezone information,
+   putting it into *tv and *tz.  If tz is null, *tz is not filled.
+   Returns 0 on success, -1 on errors.  */
+
+#ifdef SHARED
+
+# define __gettimeofday __redirect___gettimeofday
+# include <sys/time.h>
+# undef __gettimeofday
+# define HAVE_VSYSCALL
+# include <dl-vdso.h>
+# include <sysdep-vdso.h>
+
+/* Used as a fallback in the ifunc resolver if VDSO is not available
+   and for libc.so internal __gettimeofday calls.  */
+
+static int
+__gettimeofday_vsyscall (struct timeval *tv, struct timezone *tz)
+{
+  return INLINE_VSYSCALL (gettimeofday, 2, tv, tz);
+}
+
+/* PREPARE_VERSION will need an __LP64__ ifdef when ILP32 support
+   goes in.  See _libc_vdso_platform_setup in
+   sysdeps/unix/sysv/linux/aarch64/init-first.c.  */
+
+# undef INIT_ARCH
+# define INIT_ARCH() \
+	   PREPARE_VERSION (linux_version, "LINUX_2.6.39", 123718537); \
+	   void *vdso_gettimeofday = \
+	     _dl_vdso_vsym ("__kernel_gettimeofday", &linux_version);
+
+libc_ifunc_hidden (__redirect___gettimeofday, __gettimeofday,
+		   vdso_gettimeofday ?: (void *) __gettimeofday_vsyscall)
+
+__hidden_ver1 (__gettimeofday_vsyscall, __GI___gettimeofday,
+	       __gettimeofday_vsyscall);
+
+#else
+
+# include <sys/time.h>
+# include <sysdep.h>
+int
+__gettimeofday (struct timeval *tv, struct timezone *tz)
+{
+  return INLINE_SYSCALL (gettimeofday, 2, tv, tz);
+}
+libc_hidden_def (__gettimeofday)
+
+#endif
+
+weak_alias (__gettimeofday, gettimeofday)
+libc_hidden_weak (gettimeofday)