1 files changed, 90 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/init-first.c b/sysdeps/unix/sysv/linux/init-first.c
new file mode 100644
index 0000000000..d005d13322
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/init-first.c
@@ -0,0 +1,90 @@
+/* vDSO internal symbols.  Linux generic version.
+   Copyright (C) 2019 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/>.  */
+
+#include <dl-vdso.h>
+#include <libc-vdso.h>
+
+/* vDSO symbol used on clock_gettime implementation.  */
+#ifdef HAVE_CLOCK_GETTIME_VSYSCALL
+int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *)
+  attribute_hidden;
+#endif
+/* vDSO symbol used on clock_gettime64 implementation.  */
+#ifdef HAVE_CLOCK_GETTIME64_VSYSCALL
+int (*VDSO_SYMBOL(clock_gettime64)) (clockid_t, struct __timespec64 *)
+  attribute_hidden;
+#endif
+/* vDSO symbol used on clock_getres implementation.  */
+#ifdef HAVE_CLOCK_GETRES_VSYSCALL
+int (*VDSO_SYMBOL(clock_getres)) (clockid_t, struct timespec *)
+  attribute_hidden;
+#endif
+/* vDSO symbol used on gettimeofday implementation.  */
+#ifdef HAVE_GETTIMEOFDAY_VSYSCALL
+int (*VDSO_SYMBOL (gettimeofday)) (struct timeval *, void *)
+  attribute_hidden;
+#endif
+/* vDSO symbol used on GNU extension getcpu implementation.  */
+#ifdef HAVE_GETCPU_VSYSCALL
+long int (*VDSO_SYMBOL(getcpu)) (unsigned *, unsigned *, void *)
+   attribute_hidden;
+#endif
+/* vDSO symbol used on time implementation.  */
+#ifdef HAVE_TIME_VSYSCALL
+time_t (*VDSO_SYMBOL(time)) (time_t *) attribute_hidden;
+#endif
+
+static inline void
+__libc_vdso_platform_setup (void)
+{
+#ifdef HAVE_CLOCK_GETTIME_VSYSCALL
+  VDSO_SYMBOL(clock_gettime)
+    = get_vdso_mangle_symbol (HAVE_CLOCK_GETTIME_VSYSCALL);
+#endif
+
+#ifdef HAVE_CLOCK_GETTIME64_VSYSCALL
+  VDSO_SYMBOL(clock_gettime64)
+    = get_vdso_mangle_symbol (HAVE_CLOCK_GETTIME64_VSYSCALL);
+#endif
+
+#ifdef HAVE_CLOCK_GETRES_VSYSCALL
+  VDSO_SYMBOL(clock_getres)
+    = get_vdso_mangle_symbol (HAVE_CLOCK_GETRES_VSYSCALL);
+#endif
+
+#ifdef HAVE_GETTIMEOFDAY_VSYSCALL
+  VDSO_SYMBOL(gettimeofday)
+    = get_vdso_mangle_symbol (HAVE_GETTIMEOFDAY_VSYSCALL);
+#endif
+
+#ifdef HAVE_GETCPU_VSYSCALL
+  VDSO_SYMBOL(getcpu) = get_vdso_mangle_symbol (HAVE_GETCPU_VSYSCALL);
+#endif
+
+#ifdef HAVE_TIME_VSYSCALL
+  VDSO_SYMBOL(time) = get_vdso_mangle_symbol (HAVE_TIME_VSYSCALL);
+#endif
+
+#ifdef VDSO_SETUP_ARCH
+  VDSO_SETUP_ARCH ();
+#endif
+}
+
+#define VDSO_SETUP __libc_vdso_platform_setup
+
+#include <csu/init-first.c>