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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2019-05-30 08:04:06 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2019-08-05 16:38:22 -0300
commit5e855c8954014bca7b0d6f07312ec09553695ffd (patch)
tree92f5a75cdb6c24563b8f02bf9497276c6968b0f5 /sysdeps/unix/sysv/linux/s390/init-first.c
parent27a0914e4586b06375b20731fa6515fe30334373 (diff)
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s390: Enable VDSO for static linking
Although s390 only enables vDSO for dynamically linked elf binaries
(arch/s390/kernel/vdso.c:217), there is no indication in the code or
associated commit message for why not enable it for statically linked
binaries as well.  To double check, I rebuilt a kernel with the
check removed and the vDSO does work for static build for supplied
symbols.

Checked on s390x-linux-gnu and s390-linux-gnu.

	[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/s390/s390-32/sysdep.h
	(ALWAYS_USE_VSYSCALL): Define.
	* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
	(ALWAYS_USE_VSYSCALL): Likewise.
Diffstat (limited to 'sysdeps/unix/sysv/linux/s390/init-first.c')
-rw-r--r--sysdeps/unix/sysv/linux/s390/init-first.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/init-first.c b/sysdeps/unix/sysv/linux/s390/init-first.c
index 1f46e8052a..8c54d13935 100644
--- a/sysdeps/unix/sysv/linux/s390/init-first.c
+++ b/sysdeps/unix/sysv/linux/s390/init-first.c
@@ -16,9 +16,8 @@
    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;
@@ -54,7 +53,4 @@ _libc_vdso_platform_setup (void)
   VDSO_SYMBOL (getcpu) = p;
 }
 
-# define VDSO_SETUP _libc_vdso_platform_setup
-#endif
-
 #include <csu/init-first.c>