sparc: Enable VDSO for static linking

Checked on sparc64-linux-gnu and sparcv9-linux-gnu.

	[BZ #19767]
	* sysdeps/unix/sysv/linux/sparc/init-first.c: Remove #ifdef SHARED.
	* sysdeps/unix/sysv/linux/sparc/libc-vdso.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sysdep.h (ALWAYS_USE_VSYSCALL):
	Define.

ChangeLog

@@ -1,5 +1,11 @@
 2019-08-05  Adhemerval Zanella  <[email protected]>
 
+	[BZ #19767]
+	* sysdeps/unix/sysv/linux/sparc/init-first.c: Remove #ifdef SHARED.
+	* sysdeps/unix/sysv/linux/sparc/libc-vdso.h: Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sysdep.h (ALWAYS_USE_VSYSCALL):
+	Define.
+
 	[BZ #19767]
 	* sysdeps/unix/sysv/linux/s390/init-first.c: Remove #ifdef SHARED.
 	* sysdeps/unix/sysv/linux/s390/libc-vdso.h: Likewise.

sysdeps/unix/sysv/linux/sparc/init-first.c

@@ -17,9 +17,8 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#ifdef SHARED
-# include <dl-vdso.h>
-# include <libc-vdso.h>
+#include <dl-vdso.h>
+#include <libc-vdso.h>
 
 long int (*VDSO_SYMBOL (gettimeofday)) (struct timeval *, void *)
     attribute_hidden;
@@ -40,7 +39,6 @@ _libc_vdso_platform_setup (void)
   VDSO_SYMBOL (clock_gettime) = p;
 }
 
-# define VDSO_SETUP _libc_vdso_platform_setup
-#endif
+#define VDSO_SETUP _libc_vdso_platform_setup
 
 #include <csu/init-first.c>

sysdeps/unix/sysv/linux/sparc/libc-vdso.h

@@ -20,14 +20,10 @@
 #ifndef _LIBC_VDSO_H
 #define _LIBC_VDSO_H
 
-#ifdef SHARED
-
-# include <sysdep-vdso.h>
+#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 *);
 
-#endif
-
 #endif /* _LIBC_VDSO_H */

sysdeps/unix/sysv/linux/sparc/sysdep.h

@@ -19,6 +19,9 @@
 #ifndef _LINUX_SPARC_SYSDEP_H
 #define _LINUX_SPARC_SYSDEP_H 1
 
+/* Always enable vsyscalls on sparc */
+#define ALWAYS_USE_VSYSCALL 1
+
 #include <sysdeps/unix/sysdep.h>
 #include <sysdeps/unix/sysv/linux/sysdep.h>
 #include <sysdeps/sparc/sysdep.h>