diff --git a/sysdeps/unix/sysv/linux/aarch64/gettimeofday.c b/sysdeps/unix/sysv/linux/aarch64/gettimeofday.c
index 67b7f6d..daa6538 100644
--- a/sysdeps/unix/sysv/linux/aarch64/gettimeofday.c
+++ b/sysdeps/unix/sysv/linux/aarch64/gettimeofday.c
@@ -21,7 +21,8 @@
 
 #undef __gettimeofday
 
-#include <libc-vdso.h>
+#define HAVE_VSYSCALL
+#include <sysdep-vdso.h>
 
 /* Get the current time of day and timezone information,
    putting it into *tv and *tz.  If tz is null, *tz is not filled.
diff --git a/sysdeps/unix/sysv/linux/aarch64/init-first.c b/sysdeps/unix/sysv/linux/aarch64/init-first.c
index d99c821..854189a 100644
--- a/sysdeps/unix/sysv/linux/aarch64/init-first.c
+++ b/sysdeps/unix/sysv/linux/aarch64/init-first.c
@@ -23,18 +23,26 @@
 # undef __clock_getres
 # include <libc-vdso.h>
 
-void (*__vdso_gettimeofday) (struct timeval *, void *) attribute_hidden;
-void (*__vdso_clock_gettime) (clockid_t, struct timespec *);
-void (*__vdso_clock_getres) (clockid_t, struct timespec *);
+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)
 {
   PREPARE_VERSION (linux2639, "LINUX_2.6.39", 123718537);
 
-  __vdso_gettimeofday  = _dl_vdso_vsym ("__kernel_gettimeofday",  &linux2639);
-  __vdso_clock_gettime = _dl_vdso_vsym ("__kernel_clock_gettime", &linux2639);
-  __vdso_clock_getres  = _dl_vdso_vsym ("__kernel_clock_getres",  &linux2639);
+  void *p = _dl_vdso_vsym ("__kernel_gettimeofday", &linux2639);
+  PTR_MANGLE (p);
+  VDSO_SYMBOL(gettimeofday) = p;
+
+  p = _dl_vdso_vsym ("__kernel_clock_gettime", &linux2639);
+  PTR_MANGLE (p);
+  VDSO_SYMBOL(clock_gettime) = p;
+
+  p = _dl_vdso_vsym ("__kernel_clock_getres", &linux2639);
+  PTR_MANGLE (p);
+  VDSO_SYMBOL(clock_getres) = p;
 }
 
 # define VDSO_SETUP _libc_vdso_platform_setup
diff --git a/sysdeps/unix/sysv/linux/aarch64/libc-vdso.h b/sysdeps/unix/sysv/linux/aarch64/libc-vdso.h
index 1f6bb36..c5678a0 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libc-vdso.h
+++ b/sysdeps/unix/sysv/linux/aarch64/libc-vdso.h
@@ -21,10 +21,12 @@
 
 #ifdef SHARED
 
-extern void (*__vdso_gettimeofday) (struct timeval *, void *)
+# include <sysdep-vdso.h>
+
+extern int (*VDSO_SYMBOL(gettimeofday)) (struct timeval *, void *)
    attribute_hidden;
-extern void (*__vdso_clock_gettime) (clockid_t, struct timespec *);
-extern void (*__vdso_clock_getres) (clockid_t, struct timespec *);
+extern int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *);
+extern int (*VDSO_SYMBOL(clock_getres)) (clockid_t, struct timespec *);
 
 #endif
 
diff --git a/sysdeps/unix/sysv/linux/aarch64/sysdep.h b/sysdeps/unix/sysv/linux/aarch64/sysdep.h
index 91e03fc..80716c7 100644
--- a/sysdeps/unix/sysv/linux/aarch64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/aarch64/sysdep.h
@@ -151,59 +151,6 @@
 
 #else /* not __ASSEMBLER__ */
 
-# ifdef SHARED
-#  define INLINE_VSYSCALL(name, nr, args...)				      \
-  ({									      \
-    __label__ out;							      \
-    __label__ iserr;							      \
-    long sc_ret;							      \
-    INTERNAL_SYSCALL_DECL (sc_err);					      \
-									      \
-    if (__vdso_##name != NULL)						      \
-      {									      \
-	sc_ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, sc_err, nr, ##args);   \
-	if (!INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err))			      \
-	  goto out;							      \
-	if (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err) != ENOSYS)		      \
-	  goto iserr;							      \
-      }									      \
-									      \
-    sc_ret = INTERNAL_SYSCALL (name, sc_err, nr, ##args);		      \
-    if (INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err))			      \
-      {									      \
-      iserr:								      \
-        __set_errno (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err));		      \
-        sc_ret = -1L;							      \
-      }									      \
-  out:									      \
-    sc_ret;								      \
-  })
-# else
-#  define INLINE_VSYSCALL(name, nr, args...) \
-  INLINE_SYSCALL (name, nr, ##args)
-# endif
-
-# ifdef SHARED
-#  define INTERNAL_VSYSCALL(name, err, nr, args...)			      \
-  ({									      \
-    __label__ out;							      \
-    long v_ret;								      \
-									      \
-    if (__vdso_##name != NULL)						      \
-      {									      \
-	v_ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, err, nr, ##args);	      \
-	if (!INTERNAL_SYSCALL_ERROR_P (v_ret, err)			      \
-	    || INTERNAL_SYSCALL_ERRNO (v_ret, err) != ENOSYS)		      \
-	  goto out;							      \
-      }									      \
-    v_ret = INTERNAL_SYSCALL (name, err, nr, ##args);			      \
-  out:									      \
-    v_ret;								      \
-  })
-# else
-#  define INTERNAL_VSYSCALL(name, err, nr, args...) \
-  INTERNAL_SYSCALL (name, err, nr, ##args)
-# endif
 
 /* List of system calls which are supported as vsyscalls.  */
 # define HAVE_CLOCK_GETRES_VSYSCALL	1
diff --git a/sysdeps/unix/sysv/linux/clock_getres.c b/sysdeps/unix/sysv/linux/clock_getres.c
index 9b31d8c..5641967 100644
--- a/sysdeps/unix/sysv/linux/clock_getres.c
+++ b/sysdeps/unix/sysv/linux/clock_getres.c
@@ -21,14 +21,10 @@
 #include <time.h>
 #include "kernel-posix-cpu-timers.h"
 
-#ifndef HAVE_CLOCK_GETRES_VSYSCALL
-# undef INTERNAL_VSYSCALL
-# define INTERNAL_VSYSCALL INTERNAL_SYSCALL
-# undef INLINE_VSYSCALL
-# define INLINE_VSYSCALL INLINE_SYSCALL
-#else
-# include <libc-vdso.h>
+#ifdef HAVE_CLOCK_GETRES_VSYSCALL
+# define HAVE_VSYSCALL
 #endif
+#include <sysdep-vdso.h>
 
 #define SYSCALL_GETRES \
   retval = INLINE_VSYSCALL (clock_getres, 2, clock_id, res); \
diff --git a/sysdeps/unix/sysv/linux/clock_gettime.c b/sysdeps/unix/sysv/linux/clock_gettime.c
index 93aa095..457114f 100644
--- a/sysdeps/unix/sysv/linux/clock_gettime.c
+++ b/sysdeps/unix/sysv/linux/clock_gettime.c
@@ -21,23 +21,10 @@
 #include <time.h>
 #include "kernel-posix-cpu-timers.h"
 
-#ifndef HAVE_CLOCK_GETTIME_VSYSCALL
-# undef INTERNAL_VSYSCALL
-# define INTERNAL_VSYSCALL INTERNAL_SYSCALL
-# undef INLINE_VSYSCALL
-# define INLINE_VSYSCALL INLINE_SYSCALL
-#else
-# include <libc-vdso.h>
-#endif
-
-#ifndef SYSCALL_GETTIME
-# define SYSCALL_GETTIME(id, tp) \
-  INLINE_VSYSCALL (clock_gettime, 2, id, tp)
-#endif
-#ifndef INTERNAL_GETTIME
-# define INTERNAL_GETTIME(id, tp) \
-  INTERNAL_VSYSCALL (clock_gettime, err, 2, id, tp)
+#ifdef HAVE_CLOCK_GETTIME_VSYSCALL
+# define HAVE_VSYSCALL
 #endif
+#include <sysdep-vdso.h>
 
 /* The REALTIME and MONOTONIC clock are definitely supported in the
    kernel.  */
@@ -45,7 +32,7 @@
   SYSDEP_GETTIME_CPUTIME;						      \
   case CLOCK_REALTIME:							      \
   case CLOCK_MONOTONIC:							      \
-    retval = SYSCALL_GETTIME (clock_id, tp);				      \
+    retval = INLINE_VSYSCALL (clock_gettime, 2, clock_id, tp);		      \
     break
 
 /* We handled the REALTIME clock here.  */
@@ -53,7 +40,7 @@
 #define HANDLED_CPUTIME	1
 
 #define SYSDEP_GETTIME_CPU(clock_id, tp) \
-  retval = SYSCALL_GETTIME (clock_id, tp); \
+  retval = INLINE_VSYSCALL (clock_gettime, 2, clock_id, tp); \
   break
 #define SYSDEP_GETTIME_CPUTIME	/* Default catches them too.  */
 
diff --git a/sysdeps/unix/sysv/linux/i386/init-first.c b/sysdeps/unix/sysv/linux/i386/init-first.c
index 5d09bec..98d1827 100644
--- a/sysdeps/unix/sysv/linux/i386/init-first.c
+++ b/sysdeps/unix/sysv/linux/i386/init-first.c
@@ -20,9 +20,9 @@
 # include <time.h>
 # include <sysdep.h>
 # include <dl-vdso.h>
-# include <libc-vdso.h>
+# include <sysdep-vdso.h>
 
-long int (*__vdso_clock_gettime) (clockid_t, struct timespec *)
+long int (*VDSO_SYMBOL (clock_gettime)) (clockid_t, struct timespec *)
   attribute_hidden;
 
 static long int
@@ -41,7 +41,7 @@ __vdso_platform_setup (void)
   if (p == NULL)
     p = clock_gettime_syscall;
   PTR_MANGLE (p);
-  __vdso_clock_gettime = p;
+  VDSO_SYMBOL (clock_gettime) = p;
 }
 
 # define VDSO_SETUP __vdso_platform_setup
diff --git a/sysdeps/unix/sysv/linux/powerpc/init-first.c b/sysdeps/unix/sysv/linux/powerpc/init-first.c
index b4917d1..ee91c0b 100644
--- a/sysdeps/unix/sysv/linux/powerpc/init-first.c
+++ b/sysdeps/unix/sysv/linux/powerpc/init-first.c
@@ -23,17 +23,19 @@
 # undef __clock_getres
 # include <libc-vdso.h>
 
-void *__vdso_gettimeofday attribute_hidden;
-void *__vdso_clock_gettime;
-void *__vdso_clock_getres;
-void *__vdso_get_tbfreq;
-void *__vdso_getcpu;
-void *__vdso_time;
+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 *);
+unsigned long long (*VDSO_SYMBOL(get_tbfreq)) (void);
+int (*VDSO_SYMBOL(getcpu)) (unsigned *, unsigned *);
+time_t (*VDSO_SYMBOL(time)) (time_t *);
+
 #if defined(__PPC64__) || defined(__powerpc64__)
-void *__vdso_sigtramp_rt64;
+void *VDSO_SYMBOL(sigtramp_rt64);
 #else
-void *__vdso_sigtramp32;
-void *__vdso_sigtramp_rt32;
+void *VDSO_SYMBOL(sigtramp32);
+void *VDSO_SYMBOL(sigtramp_rt32);
 #endif
 
 static inline void
@@ -41,26 +43,42 @@ _libc_vdso_platform_setup (void)
 {
   PREPARE_VERSION (linux2615, "LINUX_2.6.15", 123718565);
 
-  __vdso_gettimeofday = _dl_vdso_vsym ("__kernel_gettimeofday", &linux2615);
+  void *p = _dl_vdso_vsym ("__kernel_gettimeofday", &linux2615);
+  PTR_MANGLE (p);
+  VDSO_SYMBOL (gettimeofday) = p;
 
-  __vdso_clock_gettime = _dl_vdso_vsym ("__kernel_clock_gettime", &linux2615);
+  p = _dl_vdso_vsym ("__kernel_clock_gettime", &linux2615);
+  PTR_MANGLE (p);
+  VDSO_SYMBOL (clock_gettime) = p;
 
-  __vdso_clock_getres = _dl_vdso_vsym ("__kernel_clock_getres", &linux2615);
+  p = _dl_vdso_vsym ("__kernel_clock_getres", &linux2615);
+  PTR_MANGLE (p);
+  VDSO_SYMBOL (clock_getres) = p;
 
-  __vdso_get_tbfreq = _dl_vdso_vsym ("__kernel_get_tbfreq", &linux2615);
+  p = _dl_vdso_vsym ("__kernel_get_tbfreq", &linux2615);
+  PTR_MANGLE (p);
+  VDSO_SYMBOL (get_tbfreq) = p;
 
-  __vdso_getcpu = _dl_vdso_vsym ("__kernel_getcpu", &linux2615);
+  p = _dl_vdso_vsym ("__kernel_getcpu", &linux2615);
+  PTR_MANGLE (p);
+  VDSO_SYMBOL (getcpu) = p;
 
-  __vdso_time = _dl_vdso_vsym ("__kernel_time", &linux2615);
+  p = _dl_vdso_vsym ("__kernel_time", &linux2615);
+  PTR_MANGLE (p);
+  VDSO_SYMBOL (time) = p;
 
   /* PPC64 uses only one signal trampoline symbol, while PPC32 will use
      two depending if SA_SIGINFO is used (__kernel_sigtramp_rt32) or not
-     (__kernel_sigtramp32).  */
+     (__kernel_sigtramp32).
+     There is no need to pointer mangle these symbol because they will
+     used only for pointer comparison.  */
 #if defined(__PPC64__) || defined(__powerpc64__)
-  __vdso_sigtramp_rt64 = _dl_vdso_vsym ("__kernel_sigtramp_rt64", &linux2615);
+  VDSO_SYMBOL(sigtramp_rt64) = _dl_vdso_vsym ("__kernel_sigtramp_rt64",
+					      &linux2615);
 #else
-  __vdso_sigtramp32 = _dl_vdso_vsym ("__kernel_sigtramp32", &linux2615);
-  __vdso_sigtramp_rt32 = _dl_vdso_vsym ("__kernel_sigtramp_rt32", &linux2615);
+  VDSO_SYMBOL(sigtramp32) = _dl_vdso_vsym ("__kernel_sigtramp32", &linux2615);
+  VDSO_SYMBOL(sigtramp_rt32) = _dl_vdso_vsym ("__kernel_sigtramp_rt32",
+					      &linux2615);
 #endif
 }
 
diff --git a/sysdeps/unix/sysv/linux/powerpc/libc-vdso.h b/sysdeps/unix/sysv/linux/powerpc/libc-vdso.h
index 63a7a9b..5868d24 100644
--- a/sysdeps/unix/sysv/linux/powerpc/libc-vdso.h
+++ b/sysdeps/unix/sysv/linux/powerpc/libc-vdso.h
@@ -22,23 +22,21 @@
 
 #ifdef SHARED
 
-extern void *__vdso_gettimeofday attribute_hidden;
+#include <sysdep-vdso.h>
 
-extern void *__vdso_clock_gettime;
-
-extern void *__vdso_clock_getres;
-
-extern void *__vdso_get_tbfreq;
-
-extern void *__vdso_getcpu;
-
-extern void *__vdso_time;
+extern int (*VDSO_SYMBOL(gettimeofday)) (struct timeval *, void *)
+  attribute_hidden;
+extern int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *);
+extern int (*VDSO_SYMBOL(clock_getres)) (clockid_t, struct timespec *);
+extern unsigned long long (*VDSO_SYMBOL(get_tbfreq)) (void);
+extern int (*VDSO_SYMBOL(getcpu)) (unsigned *, unsigned *);
+extern time_t (*VDSO_SYMBOL(time)) (time_t *);
 
 #if defined(__PPC64__) || defined(__powerpc64__)
-extern void *__vdso_sigtramp_rt64;
+extern void *VDSO_SYMBOL(sigtramp_rt64);
 #else
-extern void *__vdso_sigtramp32;
-extern void *__vdso_sigtramp_rt32;
+extern void *VDSO_SYMBOL(sigtramp32);
+extern void *VDSO_SYMBOL(sigtramp_rt32);
 #endif
 
 #if (defined(__PPC64__) || defined(__powerpc64__)) && _CALL_ELF != 2
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
index 0b41e8c..8bd42ec 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
@@ -50,77 +50,6 @@
 
 # include <errno.h>
 
-# ifdef SHARED
-#  define INLINE_VSYSCALL(name, nr, args...) \
-  ({									      \
-    __label__ out;							      \
-    __label__ iserr;							      \
-    INTERNAL_SYSCALL_DECL (sc_err);					      \
-    long int sc_ret;							      \
-									      \
-    if (__vdso_##name != NULL)						      \
-      {									      \
-	sc_ret =							      \
-	  INTERNAL_VSYSCALL_NCS (__vdso_##name, sc_err, long int, nr, ##args);\
-	if (!INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err))			      \
-	  goto out;							      \
-	if (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err) != ENOSYS)		      \
-	  goto iserr;							      \
-      }									      \
-									      \
-    sc_ret = INTERNAL_SYSCALL (name, sc_err, nr, ##args);		      \
-    if (INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err))			      \
-      {									      \
-      iserr:								      \
-        __set_errno (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err));		      \
-        sc_ret = -1L;							      \
-      }									      \
-  out:									      \
-    sc_ret;								      \
-  })
-# else
-#  define INLINE_VSYSCALL(name, nr, args...) \
-  INLINE_SYSCALL (name, nr, ##args)
-# endif
-
-# ifdef SHARED
-#  define INTERNAL_VSYSCALL(name, err, nr, args...) \
-  ({									      \
-    __label__ out;							      \
-    long int v_ret;							      \
-									      \
-    if (__vdso_##name != NULL)						      \
-      {									      \
-	v_ret =								      \
-	  INTERNAL_VSYSCALL_NCS (__vdso_##name, err, long int, nr, ##args);   \
-	if (!INTERNAL_SYSCALL_ERROR_P (v_ret, err)			      \
-	    || INTERNAL_SYSCALL_ERRNO (v_ret, err) != ENOSYS)		      \
-	  goto out;							      \
-      }									      \
-    v_ret = INTERNAL_SYSCALL (name, err, nr, ##args);			      \
-  out:									      \
-    v_ret;								      \
-  })
-# else
-#  define INTERNAL_VSYSCALL(name, err, nr, args...) \
-  INTERNAL_SYSCALL (name, err, nr, ##args)
-# endif
-
-# define INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK(name, err, type, nr, args...)  \
-  ({									      \
-    type sc_ret = ENOSYS;						      \
-									      \
-    if (__vdso_##name != NULL)						      \
-      sc_ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, err, type, nr, ##args);  \
-    else								      \
-      err = 1 << 28;							      \
-    sc_ret;								      \
-  })
-
-/* List of system calls which are supported as vsyscalls.  */
-# define HAVE_CLOCK_GETRES_VSYSCALL	1
-# define HAVE_CLOCK_GETTIME_VSYSCALL	1
-
 /* Define a macro which expands inline into the wrapper code for a VDSO
    call. This use is for internal calls that do not need to handle errors
    normally. It will never touch errno.
@@ -128,7 +57,7 @@
    function call, with the exception of LR (which is needed for the
    "sc; bnslr+" sequence) and CR (where only CR0.SO is clobbered to signal
    an error return status).  */
-# define INTERNAL_VSYSCALL_NCS(funcptr, err, type, nr, args...) \
+# define INTERNAL_VSYSCALL_NCS_TYPE(funcptr, err, nr, type, args...) \
   ({									      \
     register void *r0  __asm__ ("r0");					      \
     register long int r3  __asm__ ("r3");				      \
@@ -155,6 +84,9 @@
     rval;								      \
   })
 
+#define INTERNAL_VSYSCALL_NCS(funcptr, err, nr, args...) \
+  INTERNAL_VSYSCALL_NCS_TYPE(funcptr, err, nr, long int, args)
+
 # undef INLINE_SYSCALL
 # define INLINE_SYSCALL(name, nr, args...)				\
   ({									\
@@ -216,6 +148,25 @@
 # undef INTERNAL_SYSCALL_ERRNO
 # define INTERNAL_SYSCALL_ERRNO(val, err)     (val)
 
+# define INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK(name, err, type, nr, args...)  \
+  ({									      \
+    type sc_ret = ENOSYS;						      \
+									      \
+    __typeof (__vdso_##name) vdsop = __vdso_##name;			      \
+    PTR_DEMANGLE (vdsop);						      \
+    if (vdsop != NULL)							      \
+      sc_ret = 								      \
+        INTERNAL_VSYSCALL_NCS_TYPE (vdsop, err, nr, type, ##args);	      \
+    else								      \
+      err = 1 << 28;							      \
+    sc_ret;								      \
+  })
+
+/* List of system calls which are supported as vsyscalls.  */
+# define HAVE_CLOCK_GETRES_VSYSCALL	1
+# define HAVE_CLOCK_GETTIME_VSYSCALL	1
+
+
 # define LOADARGS_0(name, dummy)					      \
 	r0 = name
 # define LOADARGS_1(name, __arg1) \
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
index 324e19b..1bad856 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
@@ -61,74 +61,17 @@
 
 #endif /* __ASSEMBLER__ */
 
-/* This version is for kernels that implement system calls that
-   behave like function calls as far as register saving.
-   It falls back to the syscall in the case that the vDSO doesn't
-   exist or fails for ENOSYS */
-#ifdef SHARED
-# define INLINE_VSYSCALL(name, nr, args...) \
-  ({									      \
-    __label__ out;							      \
-    __label__ iserr;							      \
-    INTERNAL_SYSCALL_DECL (sc_err);					      \
-    long int sc_ret;							      \
-									      \
-    if (__vdso_##name != NULL)						      \
-      {									      \
-	sc_ret =							      \
-	  INTERNAL_VSYSCALL_NCS (__vdso_##name, sc_err, long int, nr, ##args);\
-	if (!INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err))			      \
-	  goto out;							      \
-	if (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err) != ENOSYS)		      \
-	  goto iserr;							      \
-      }									      \
-									      \
-    sc_ret = INTERNAL_SYSCALL (name, sc_err, nr, ##args);		      \
-    if (INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err))			      \
-      {									      \
-      iserr:								      \
-        __set_errno (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err));		      \
-        sc_ret = -1L;							      \
-      }									      \
-  out:									      \
-    sc_ret;								      \
-  })
-#else
-# define INLINE_VSYSCALL(name, nr, args...) \
-  INLINE_SYSCALL (name, nr, ##args)
-#endif
-
-#ifdef SHARED
-# define INTERNAL_VSYSCALL(name, err, nr, args...) \
-  ({									      \
-    __label__ out;							      \
-    long int v_ret;							      \
-									      \
-    if (__vdso_##name != NULL)						      \
-      {									      \
-	v_ret =								      \
-	  INTERNAL_VSYSCALL_NCS (__vdso_##name, err, long int, nr, ##args);   \
-	if (!INTERNAL_SYSCALL_ERROR_P (v_ret, err)			      \
-	    || INTERNAL_SYSCALL_ERRNO (v_ret, err) != ENOSYS)		      \
-	  goto out;							      \
-      }									      \
-    v_ret = INTERNAL_SYSCALL (name, err, nr, ##args);			      \
-  out:									      \
-    v_ret;								      \
-  })
-#else
-# define INTERNAL_VSYSCALL(name, err, nr, args...) \
-  INTERNAL_SYSCALL (name, err, nr, ##args)
-#endif
-
 /* This version is for internal uses when there is no desire
    to set errno */
 #define INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK(name, err, type, nr, args...)   \
   ({									      \
     type sc_ret = ENOSYS;						      \
 									      \
-    if (__vdso_##name != NULL)						      \
-      sc_ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, err, type, nr, ##args);  \
+    __typeof (__vdso_##name) vdsop = __vdso_##name;			      \
+    PTR_DEMANGLE (vdsop);						      \
+    if (vdsop != NULL)							      \
+      sc_ret =								      \
+        INTERNAL_VSYSCALL_NCS_TYPE (vdsop, err, type, nr, ##args);	      \
     else								      \
       err = 1 << 28;							      \
     sc_ret;								      \
@@ -144,7 +87,7 @@
    gave back in the non-error (CR0.SO cleared) case, otherwise (CR0.SO set)
    the negation of the return value in the kernel gets reverted.  */
 
-#define INTERNAL_VSYSCALL_NCS(funcptr, err, type, nr, args...) \
+#define INTERNAL_VSYSCALL_NCS_TYPE(funcptr, err, type, nr, args...) \
   ({									\
     register void *r0  __asm__ ("r0");					\
     register long int r3  __asm__ ("r3");				\
@@ -168,6 +111,9 @@
     rval;								\
   })
 
+#define INTERNAL_VSYSCALL_NCS(funcptr, err, nr, args...) \
+  INTERNAL_VSYSCALL_NCS_TYPE(funcptr, err, long int, nr, args)
+
 #undef INLINE_SYSCALL
 
 /* This version is for kernels that implement system calls that
diff --git a/sysdeps/unix/sysv/linux/powerpc/sched_getcpu.c b/sysdeps/unix/sysv/linux/powerpc/sched_getcpu.c
index 5bf540c..f93be01 100644
--- a/sysdeps/unix/sysv/linux/powerpc/sched_getcpu.c
+++ b/sysdeps/unix/sysv/linux/powerpc/sched_getcpu.c
@@ -17,8 +17,7 @@
 
 #include <sched.h>
 #include <sysdep.h>
-#include <libc-vdso.h>
-
+#include <sysdep-vdso.h>
 
 int
 sched_getcpu (void)
diff --git a/sysdeps/unix/sysv/linux/s390/gettimeofday.c b/sysdeps/unix/sysv/linux/s390/gettimeofday.c
index e8dee26..9f98f29 100644
--- a/sysdeps/unix/sysv/linux/s390/gettimeofday.c
+++ b/sysdeps/unix/sysv/linux/s390/gettimeofday.c
@@ -21,7 +21,8 @@
 #include <time.h>
 #include <hp-timing.h>
 
-#include <libc-vdso.h>
+#define HAVE_VSYSCALL
+#include <sysdep-vdso.h>
 
 /* Get the current time of day and timezone information,
    putting it into *TV and *TZ.  If TZ is NULL, *TZ is not filled.
diff --git a/sysdeps/unix/sysv/linux/s390/init-first.c b/sysdeps/unix/sysv/linux/s390/init-first.c
index 2e00a99..8129967 100644
--- a/sysdeps/unix/sysv/linux/s390/init-first.c
+++ b/sysdeps/unix/sysv/linux/s390/init-first.c
@@ -23,15 +23,14 @@
 # undef __clock_getres
 # include <libc-vdso.h>
 
-long int (*__vdso_gettimeofday) (struct timeval *, void *) attribute_hidden;
+long int (*VDSO_SYMBOL(gettimeofday)) (struct timeval *, void *)
+   attribute_hidden;
 
-long int (*__vdso_clock_gettime) (clockid_t, struct timespec *)
+long int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *)
   __attribute__ ((nocommon));
-strong_alias (__vdso_clock_gettime, __GI___vdso_clock_gettime attribute_hidden)
 
-long int (*__vdso_clock_getres) (clockid_t, struct timespec *)
+long int (*VDSO_SYMBOL(clock_getres)) (clockid_t, struct timespec *)
   __attribute__ ((nocommon));
-strong_alias (__vdso_clock_getres, __GI___vdso_clock_getres attribute_hidden)
 
 
 static inline void
@@ -39,9 +38,17 @@ _libc_vdso_platform_setup (void)
 {
   PREPARE_VERSION (linux2629, "LINUX_2.6.29", 123718585);
 
-  __vdso_gettimeofday = _dl_vdso_vsym ("__kernel_gettimeofday", &linux2629);
-  __vdso_clock_gettime = _dl_vdso_vsym ("__kernel_clock_gettime", &linux2629);
-  __vdso_clock_getres = _dl_vdso_vsym ("__kernel_clock_getres", &linux2629);
+  void *p = _dl_vdso_vsym ("__kernel_gettimeofday", &linux2629);
+  PTR_MANGLE (p);
+  VDSO_SYMBOL (gettimeofday) = p;
+
+  p = _dl_vdso_vsym ("__kernel_clock_gettime", &linux2629);
+  PTR_MANGLE (p);
+  VDSO_SYMBOL (clock_gettime) = p;
+
+  p = _dl_vdso_vsym ("__kernel_clock_getres", &linux2629);
+  PTR_MANGLE (p);
+  VDSO_SYMBOL (clock_getres) = p;
 }
 
 # define VDSO_SETUP _libc_vdso_platform_setup
diff --git a/sysdeps/unix/sysv/linux/s390/libc-vdso.h b/sysdeps/unix/sysv/linux/s390/libc-vdso.h
index 3fd3d06..9bb562e 100644
--- a/sysdeps/unix/sysv/linux/s390/libc-vdso.h
+++ b/sysdeps/unix/sysv/linux/s390/libc-vdso.h
@@ -22,12 +22,14 @@
 
 #ifdef SHARED
 
-extern long int (*__vdso_gettimeofday) (struct timeval *, void *)
-  attribute_hidden;
-
-extern long int (*__vdso_clock_gettime) (clockid_t, struct timespec *);
-
-extern long int (*__vdso_clock_getres) (clockid_t, struct timespec *);
+#include <sysdep-vdso.h>
+
+extern long int (*VDSO_SYMBOL(gettimeofday)) (struct timeval *, void *)
+   attribute_hidden;
+ 
+extern long int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *);
+ 
+extern long int (*VDSO_SYMBOL(clock_getres)) (clockid_t, struct timespec *);
 
 #endif
 
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
index 9c194b8..6808651 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
@@ -282,71 +282,16 @@
 #define HAVE_CLOCK_GETRES_VSYSCALL	1
 #define HAVE_CLOCK_GETTIME_VSYSCALL	1
 
-/* This version is for kernels that implement system calls that
-   behave like function calls as far as register saving.
-   It falls back to the syscall in the case that the vDSO doesn't
-   exist or fails for ENOSYS */
-#ifdef SHARED
-# define INLINE_VSYSCALL(name, nr, args...) \
-  ({									      \
-    __label__ out;							      \
-    __label__ iserr;							      \
-    long int _ret;							      \
-									      \
-    if (__vdso_##name != NULL)						      \
-      {									      \
-	_ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, , nr, ##args);	      \
-	if (!INTERNAL_SYSCALL_ERROR_P (_ret, ))				      \
-	  goto out;							      \
-	if (INTERNAL_SYSCALL_ERRNO (_ret, ) != ENOSYS)			      \
-	  goto iserr;							      \
-      }									      \
-									      \
-    _ret = INTERNAL_SYSCALL (name, , nr, ##args);			      \
-    if (INTERNAL_SYSCALL_ERROR_P (_ret, ))				      \
-      {									      \
-      iserr:								      \
-	__set_errno (INTERNAL_SYSCALL_ERRNO (_ret, ));			      \
-	_ret = -1L;							      \
-      }									      \
-  out:									      \
-    (int) _ret;								      \
-  })
-#else
-# define INLINE_VSYSCALL(name, nr, args...) \
-  INLINE_SYSCALL (name, nr, ##args)
-#endif
-
-#ifdef SHARED
-# define INTERNAL_VSYSCALL(name, err, nr, args...) \
-  ({									      \
-    __label__ out;							      \
-    long int _ret;							      \
-									      \
-    if (__vdso_##name != NULL)						      \
-      {									      \
-	_ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, err, nr, ##args);	      \
-	if (!INTERNAL_SYSCALL_ERROR_P (_ret, err)			      \
-	    || INTERNAL_SYSCALL_ERRNO (_ret, err) != ENOSYS)		      \
-	  goto out;							      \
-      }									      \
-    _ret = INTERNAL_SYSCALL (name, err, nr, ##args);			      \
-  out:									      \
-    _ret;								      \
-  })
-#else
-# define INTERNAL_VSYSCALL(name, err, nr, args...) \
-  INTERNAL_SYSCALL (name, err, nr, ##args)
-#endif
-
 /* This version is for internal uses when there is no desire
    to set errno */
 #define INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK(name, err, nr, args...)	      \
   ({									      \
     long int _ret = ENOSYS;						      \
 									      \
-    if (__vdso_##name != NULL)						      \
-      _ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, err, nr, ##args);	      \
+    __typeof (__vdso_##name) vdsop = __vdso_##name;			      \
+    PTR_DEMANGLE (vdsop);						      \
+    if (vdsop != NULL)							      \
+      _ret = INTERNAL_VSYSCALL_NCS (vdsop, err, nr, ##args);		      \
     else								      \
       err = 1 << 28;							      \
     _ret;								      \
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
index 4631cb1..be76452 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
@@ -288,71 +288,16 @@
 #define HAVE_CLOCK_GETRES_VSYSCALL	1
 #define HAVE_CLOCK_GETTIME_VSYSCALL	1
 
-/* This version is for kernels that implement system calls that
-   behave like function calls as far as register saving.
-   It falls back to the syscall in the case that the vDSO doesn't
-   exist or fails for ENOSYS */
-#ifdef SHARED
-# define INLINE_VSYSCALL(name, nr, args...) \
-  ({									      \
-    __label__ out;							      \
-    __label__ iserr;							      \
-    long int _ret;							      \
-									      \
-    if (__vdso_##name != NULL)						      \
-      {									      \
-	_ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, , nr, ##args);	      \
-	if (!INTERNAL_SYSCALL_ERROR_P (_ret, ))				      \
-	  goto out;							      \
-	if (INTERNAL_SYSCALL_ERRNO (_ret, ) != ENOSYS)			      \
-	  goto iserr;							      \
-      }									      \
-									      \
-    _ret = INTERNAL_SYSCALL (name, , nr, ##args);			      \
-    if (INTERNAL_SYSCALL_ERROR_P (_ret, ))				      \
-      {									      \
-      iserr:								      \
-	__set_errno (INTERNAL_SYSCALL_ERRNO (_ret, ));			      \
-	_ret = -1L;							      \
-      }									      \
-  out:									      \
-    (int) _ret;								      \
-  })
-#else
-# define INLINE_VSYSCALL(name, nr, args...) \
-  INLINE_SYSCALL (name, nr, ##args)
-#endif
-
-#ifdef SHARED
-# define INTERNAL_VSYSCALL(name, err, nr, args...) \
-  ({									      \
-    __label__ out;							      \
-    long int _ret;							      \
-									      \
-    if (__vdso_##name != NULL)						      \
-      {									      \
-	_ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, err, nr, ##args);	      \
-	if (!INTERNAL_SYSCALL_ERROR_P (_ret, err)			      \
-	    || INTERNAL_SYSCALL_ERRNO (_ret, err) != ENOSYS)		      \
-	  goto out;							      \
-      }									      \
-    _ret = INTERNAL_SYSCALL (name, err, nr, ##args);			      \
-  out:									      \
-    _ret;								      \
-  })
-#else
-# define INTERNAL_VSYSCALL(name, err, nr, args...) \
-  INTERNAL_SYSCALL (name, err, nr, ##args)
-#endif
-
 /* This version is for internal uses when there is no desire
    to set errno */
 #define INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK(name, err, nr, args...)	      \
   ({									      \
     long int _ret = ENOSYS;						      \
 									      \
-    if (__vdso_##name != NULL)						      \
-      _ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, err, nr, ##args);	      \
+    __typeof (__vdso_##name) vdsop = __vdso_##name;			      \
+    PTR_DEMANGLE (vdsop);						      \
+    if (vdsop != NULL)							      \
+      _ret = INTERNAL_VSYSCALL_NCS (vdsop, err, nr, ##args);		      \
     else								      \
       err = 1 << 28;							      \
     _ret;								      \
diff --git a/sysdeps/unix/sysv/linux/sysdep-vdso.h b/sysdeps/unix/sysv/linux/sysdep-vdso.h
new file mode 100644
index 0000000..70458d1
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sysdep-vdso.h
@@ -0,0 +1,98 @@
+/* vDSO common definition for Linux.
+   Copyright (C) 2015 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.
+G
+   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/>.  */
+
+#ifndef SYSDEP_VDSO_LINUX_H
+# define SYSDEP_VDSO_LINUX_H
+
+#define VDSO_SYMBOL(__name) __vdso_##__name
+
+#ifndef INTERNAL_VSYSCALL_NCS
+# define INTERNAL_VSYSCALL_NCS(funcptr, err, nr, args...)		      \
+     funcptr (args)
+#endif
+
+#ifdef SHARED
+
+# ifdef HAVE_VSYSCALL
+
+#include <libc-vdso.h>
+
+#  define INLINE_VSYSCALL(name, nr, args...)				      \
+  ({									      \
+    __label__ out;							      \
+    __label__ iserr;							      \
+    INTERNAL_SYSCALL_DECL (sc_err);					      \
+    long int sc_ret;							      \
+									      \
+    __typeof (__vdso_##name) vdsop = __vdso_##name;			      \
+    PTR_DEMANGLE (vdsop);						      \
+    if (vdsop != NULL)							      \
+      {									      \
+	sc_ret = INTERNAL_VSYSCALL_NCS (vdsop, sc_err, nr, ##args);	      \
+	if (!INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err))			      \
+	  goto out;							      \
+	if (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err) != ENOSYS)		      \
+	  goto iserr;							      \
+      }									      \
+									      \
+    sc_ret = INTERNAL_SYSCALL (name, sc_err, nr, ##args);		      \
+    if (INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err))			      \
+      {									      \
+      iserr:								      \
+        __set_errno (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err));		      \
+        sc_ret = -1L;							      \
+      }									      \
+  out:									      \
+    sc_ret;								      \
+  })
+
+#  define INTERNAL_VSYSCALL(name, err, nr, args...)			      \
+  ({									      \
+    __label__ out;							      \
+    long v_ret;								      \
+									      \
+    __typeof (__vdso_##name) vdsop = __vdso_##name;			      \
+    PTR_DEMANGLE (vdsop);						      \
+    if (vdsop != NULL)							      \
+      {									      \
+	v_ret = INTERNAL_VSYSCALL_NCS (vdsop, err, nr, ##args);		      \
+	if (!INTERNAL_SYSCALL_ERROR_P (v_ret, err)			      \
+	    || INTERNAL_SYSCALL_ERRNO (v_ret, err) != ENOSYS)		      \
+	  goto out;							      \
+      }									      \
+    v_ret = INTERNAL_SYSCALL (name, err, nr, ##args);			      \
+  out:									      \
+    v_ret;								      \
+  })
+#  else
+#  define INLINE_VSYSCALL(name, nr, args...) \
+   INLINE_SYSCALL (name, nr, ##args)
+#  define INTERNAL_VSYSCALL(name, err, nr, args...) \
+   INTERNAL_SYSCALL (name, err, nr, ##args)
+# endif /* HAVE_VSYSCALL  */
+
+# else
+
+#  define INLINE_VSYSCALL(name, nr, args...) \
+    INLINE_SYSCALL (name, nr, ##args)
+#  define INTERNAL_VSYSCALL(name, err, nr, args...) \
+    INTERNAL_SYSCALL (name, err, nr, ##args)
+
+#endif /* SHARED  */
+
+#endif /* SYSDEP_VDSO_LINUX_H  */
diff --git a/sysdeps/unix/sysv/linux/tile/gettimeofday.c b/sysdeps/unix/sysv/linux/tile/gettimeofday.c
index 8d34b40..13382ab 100644
--- a/sysdeps/unix/sysv/linux/tile/gettimeofday.c
+++ b/sysdeps/unix/sysv/linux/tile/gettimeofday.c
@@ -19,7 +19,9 @@
 #include <stddef.h>
 #include <sys/time.h>
 #include <time.h>
-#include <libc-vdso.h>
+
+#define HAVE_VSYSCALL
+#include <sysdep-vdso.h>
 
 int
 __gettimeofday (struct timeval *tv, struct timezone *tz)
diff --git a/sysdeps/unix/sysv/linux/tile/init-first.c b/sysdeps/unix/sysv/linux/tile/init-first.c
index 6b0e26a..29356c2 100644
--- a/sysdeps/unix/sysv/linux/tile/init-first.c
+++ b/sysdeps/unix/sysv/linux/tile/init-first.c
@@ -19,21 +19,27 @@
 #include <dl-vdso.h>
 #include <libc-vdso.h>
 
-struct syscall_return_value (*__vdso_gettimeofday) (struct timeval *, void *)
+struct syscall_return_value (*VDSO_SYMBOL(gettimeofday)) (struct timeval *,
+							  void *)
   attribute_hidden;
 
-struct syscall_return_value (*__vdso_clock_gettime) (clockid_t,
-                                                     struct timespec *)
+struct syscall_return_value (*VDSO_SYMBOL(clock_gettime)) (clockid_t,
+                                                           struct timespec *)
   __attribute__ ((nocommon));
-strong_alias (__vdso_clock_gettime, __GI___vdso_clock_gettime attribute_hidden)
 
 
 static inline void
 _libc_vdso_platform_setup (void)
 {
   PREPARE_VERSION (linux26, "LINUX_2.6", 61765110);
-  __vdso_gettimeofday = _dl_vdso_vsym ("__vdso_gettimeofday", &linux26);
-  __vdso_clock_gettime = _dl_vdso_vsym ("__vdso_clock_gettime", &linux26);
+
+  void *p = _dl_vdso_vsym ("__vdso_gettimeofday", &linux26);
+  PTR_MANGLE (p);
+  VDSO_SYMBOL (gettimeofday) = p;
+
+  p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux26);
+  PTR_MANGLE (p);
+  VDSO_SYMBOL (clock_gettime) = p;
 }
 
 #define VDSO_SETUP _libc_vdso_platform_setup
diff --git a/sysdeps/unix/sysv/linux/tile/libc-vdso.h b/sysdeps/unix/sysv/linux/tile/libc-vdso.h
index 44f8286..2f5b23d 100644
--- a/sysdeps/unix/sysv/linux/tile/libc-vdso.h
+++ b/sysdeps/unix/sysv/linux/tile/libc-vdso.h
@@ -22,19 +22,21 @@
 
 #ifdef SHARED
 
+#include <sysdep-vdso.h>
+
 struct syscall_return_value
 {
   long int value;
   long int error;
 };
 
-extern struct syscall_return_value (*__vdso_gettimeofday) (struct timeval *,
-                                                           void *)
+extern struct syscall_return_value (*VDSO_SYMBOL (gettimeofday)) (struct
+								  timeval *,
+								  void *)
   attribute_hidden;
 
-extern struct syscall_return_value (*__vdso_clock_gettime) (clockid_t,
-                                                            struct timespec *);
-
+extern struct syscall_return_value (*VDSO_SYMBOL (clock_gettime)) (clockid_t,
+								   struct
+								   timespec *);
 #endif
-
 #endif /* _LIBC_VDSO_H */
diff --git a/sysdeps/unix/sysv/linux/tile/sysdep.h b/sysdeps/unix/sysv/linux/tile/sysdep.h
index 64c8920..019e800 100644
--- a/sysdeps/unix/sysv/linux/tile/sysdep.h
+++ b/sysdeps/unix/sysv/linux/tile/sysdep.h
@@ -202,71 +202,19 @@
   "=R02" (_clobber_r2), "=R03" (_clobber_r3), "=R04" (_clobber_r4),     \
     "=R05" (_clobber_r5), "=R10" (_clobber_r10)
 
-/* This version is for kernels that implement system calls that
-   behave like function calls as far as register saving.
-   It falls back to the syscall in the case that the vDSO doesn't
-   exist or fails for ENOSYS */
-# ifdef SHARED
-#  define INLINE_VSYSCALL(name, nr, args...) \
-  ({									      \
-    __label__ out;							      \
-    __label__ iserr;							      \
-    INTERNAL_SYSCALL_DECL (sc_err);					      \
-    long int sc_ret;							      \
-									      \
-    __typeof (__vdso_##name) vdsop = __vdso_##name;			      \
-    if (vdsop != NULL)							      \
-      {									      \
-        struct syscall_return_value rv = vdsop (args);			      \
-        sc_ret = rv.value;						      \
-        sc_err = rv.error;						      \
-        if (!INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err))			      \
-          goto out;							      \
-        if (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err) != ENOSYS)		      \
-          goto iserr;							      \
-      }									      \
-									      \
-    sc_ret = INTERNAL_SYSCALL (name, sc_err, nr, ##args);		      \
-    if (INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err))			      \
-      {									      \
-      iserr:								      \
-        __set_errno (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err));		      \
-        sc_ret = -1L;							      \
-      }									      \
-  out:									      \
-    sc_ret;								      \
-  })
-#  define INTERNAL_VSYSCALL(name, err, nr, args...) \
-  ({									      \
-    __label__ out;							      \
-    long int v_ret;							      \
-									      \
-    __typeof (__vdso_##name) vdsop = __vdso_##name;			      \
-    if (vdsop != NULL)							      \
-      {									      \
-        struct syscall_return_value rv = vdsop (args);			      \
-        v_ret = rv.value;						      \
-        err = rv.error;							      \
-        if (!INTERNAL_SYSCALL_ERROR_P (v_ret, err)			      \
-            || INTERNAL_SYSCALL_ERRNO (v_ret, err) != ENOSYS)		      \
-          goto out;							      \
-      }									      \
-    v_ret = INTERNAL_SYSCALL (name, err, nr, ##args);			      \
-  out:									      \
-    v_ret;								      \
-  })
 
-# else
-#  define INLINE_VSYSCALL(name, nr, args...) \
-  INLINE_SYSCALL (name, nr, ##args)
-#  define INTERNAL_VSYSCALL(name, err, nr, args...) \
-  INTERNAL_SYSCALL (name, err, nr, ##args)
-# endif
-#endif /* not __ASSEMBLER__ */
+#define INTERNAL_VSYSCALL_NCS(funcptr, err, nr, args...)		     \
+  ({									     \
+     struct syscall_return_value rv = funcptr (args);			     \
+     err = rv.error;							     \
+     rv.value;								     \
+  })
 
 /* List of system calls which are supported as vsyscalls.  */
 #define HAVE_CLOCK_GETTIME_VSYSCALL	1
 
+#endif /* __ASSEMBLER__  */
+
 /* Pointer mangling support.  */
 #if IS_IN (rtld)
 /* We cannot use the thread descriptor because in ld.so we use setjmp
diff --git a/sysdeps/unix/sysv/linux/timespec_get.c b/sysdeps/unix/sysv/linux/timespec_get.c
index 2561649..0e5f513 100644
--- a/sysdeps/unix/sysv/linux/timespec_get.c
+++ b/sysdeps/unix/sysv/linux/timespec_get.c
@@ -18,31 +18,21 @@
 #include <time.h>
 #include <sysdep.h>
 
-#ifndef HAVE_CLOCK_GETTIME_VSYSCALL
-# undef INTERNAL_VSYSCALL
-# define INTERNAL_VSYSCALL INTERNAL_SYSCALL
-#else
-# include <libc-vdso.h>
+#ifdef HAVE_CLOCK_GETTIME_VSYSCALL
+# define HAVE_VSYSCALL
 #endif
-
-#ifndef INTERNAL_GETTIME
-# define INTERNAL_GETTIME(id, tp) \
-  INTERNAL_VSYSCALL (clock_gettime, err, 2, id, tp)
-#endif
-
+#include <sysdep-vdso.h>
 
 /* Set TS to calendar time based in time base BASE.  */
 int
-timespec_get (ts, base)
-     struct timespec *ts;
-     int base;
+timespec_get (struct timespec *ts, int base)
 {
   switch (base)
     {
       int res;
       INTERNAL_SYSCALL_DECL (err);
     case TIME_UTC:
-      res = INTERNAL_GETTIME (CLOCK_REALTIME, ts);
+      res = INTERNAL_VSYSCALL (clock_gettime, err, 2, CLOCK_REALTIME, ts);
       if (INTERNAL_SYSCALL_ERROR_P (res, err))
 	return 0;
       break;
diff --git a/sysdeps/unix/sysv/linux/x86/libc-vdso.h b/sysdeps/unix/sysv/linux/x86/libc-vdso.h
index 79b6411..fea9c2b 100644
--- a/sysdeps/unix/sysv/linux/x86/libc-vdso.h
+++ b/sysdeps/unix/sysv/linux/x86/libc-vdso.h
@@ -24,7 +24,9 @@
 
 #ifdef SHARED
 
-extern long int (*__vdso_clock_gettime) (clockid_t, struct timespec *)
+# include <sysdep-vdso.h>
+
+extern long int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *)
   attribute_hidden;
 
 #endif
diff --git a/sysdeps/unix/sysv/linux/x86_64/init-first.c b/sysdeps/unix/sysv/linux/x86_64/init-first.c
index 25c38e4..b7bdbd1 100644
--- a/sysdeps/unix/sysv/linux/x86_64/init-first.c
+++ b/sysdeps/unix/sysv/linux/x86_64/init-first.c
@@ -22,9 +22,10 @@
 # include <dl-vdso.h>
 # include <libc-vdso.h>
 
-long int (*__vdso_clock_gettime) (clockid_t, struct timespec *)
+long int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *)
+  attribute_hidden;
+long int (*VDSO_SYMBOL(getcpu)) (unsigned *, unsigned *, void *)
   attribute_hidden;
-long int (*__vdso_getcpu) (unsigned *, unsigned *, void *) attribute_hidden;
 
 extern long int __syscall_clock_gettime (clockid_t, struct timespec *);
 
@@ -38,7 +39,7 @@ __vdso_platform_setup (void)
   if (p == NULL)
     p = __syscall_clock_gettime;
   PTR_MANGLE (p);
-  __vdso_clock_gettime = p;
+  VDSO_SYMBOL(clock_gettime) = p;
 
   p = _dl_vdso_vsym ("__vdso_getcpu", &linux26);
   /* If the vDSO is not available we fall back on the old vsyscall.  */
@@ -46,7 +47,7 @@ __vdso_platform_setup (void)
   if (p == NULL)
     p = (void *) VSYSCALL_ADDR_vgetcpu;
   PTR_MANGLE (p);
-  __vdso_getcpu = p;
+  VDSO_SYMBOL(getcpu) = p;
 }
 
 # define VDSO_SETUP __vdso_platform_setup
diff --git a/sysdeps/unix/sysv/linux/x86_64/sysdep.h b/sysdeps/unix/sysv/linux/x86_64/sysdep.h
index 3dbd7d2..cc66093 100644
--- a/sysdeps/unix/sysv/linux/x86_64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/x86_64/sysdep.h
@@ -252,61 +252,6 @@
 # undef INTERNAL_SYSCALL_ERRNO
 # define INTERNAL_SYSCALL_ERRNO(val, err)	(-(val))
 
-# ifdef SHARED
-#  define INLINE_VSYSCALL(name, nr, args...) \
-  ({									      \
-    __label__ out;							      \
-    __label__ iserr;							      \
-    INTERNAL_SYSCALL_DECL (sc_err);					      \
-    long int sc_ret;							      \
-									      \
-    __typeof (__vdso_##name) vdsop = __vdso_##name;			      \
-    PTR_DEMANGLE (vdsop);						      \
-    if (vdsop != NULL)							      \
-      {									      \
-	sc_ret = vdsop (args);						      \
-	if (!INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err))			      \
-	  goto out;							      \
-	if (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err) != ENOSYS)		      \
-	  goto iserr;							      \
-      }									      \
-									      \
-    sc_ret = INTERNAL_SYSCALL (name, sc_err, nr, ##args);		      \
-    if (INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err))			      \
-      {									      \
-      iserr:								      \
-	__set_errno (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err));		      \
-	sc_ret = -1L;							      \
-      }									      \
-  out:									      \
-    sc_ret;								      \
-  })
-#  define INTERNAL_VSYSCALL(name, err, nr, args...) \
-  ({									      \
-    __label__ out;							      \
-    long int v_ret;							      \
-									      \
-    __typeof (__vdso_##name) vdsop = __vdso_##name;			      \
-    PTR_DEMANGLE (vdsop);						      \
-    if (vdsop != NULL)							      \
-      {									      \
-	v_ret = vdsop (args);						      \
-	if (!INTERNAL_SYSCALL_ERROR_P (v_ret, err)			      \
-	    || INTERNAL_SYSCALL_ERRNO (v_ret, err) != ENOSYS)		      \
-	  goto out;							      \
-      }									      \
-    v_ret = INTERNAL_SYSCALL (name, err, nr, ##args);			      \
-  out:									      \
-    v_ret;								      \
-  })
-
-# else
-#  define INLINE_VSYSCALL(name, nr, args...) \
-  INLINE_SYSCALL (name, nr, ##args)
-#  define INTERNAL_VSYSCALL(name, err, nr, args...) \
-  INTERNAL_SYSCALL (name, err, nr, ##args)
-# endif
-
 # define LOAD_ARGS_0()
 # define LOAD_REGS_0
 # define ASM_ARGS_0
