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Enable VDSO on i386 statically linked programs.

Message ID CAMe9rOp9xFOQ9X0wn-nZ-V_LjnTDLv++7t06ufSP4nrPjfhf4w@mail.gmail.com
State New, archived
Headers show

Commit Message

H.J. Lu Nov. 30, 2018, 10:33 p.m. UTC
On Fri, Nov 30, 2018 at 12:22 PM Rafael Avila de Espindola
<rafael@espindo.la> wrote:
>
> "H.J. Lu" <hjl.tools@gmail.com> writes:
>
> > On Mon, Nov 12, 2018 at 3:17 PM Rafael Avila de Espindola
> > <rafael@espindo.la> wrote:
> >>
> >> A rebased version is attached. The new changelog is
> >>
> >>
> >>
> >> 2018-11-12  Rafael Ávila de Espíndola  <rafael@espindo.la>
> >>
> >>         [BZ #19767]
> >>         * sysdeps/unix/sysv/linux/i386/init-first.c: remove #ifdef SHARED.
> >>         * sysdeps/unix/sysv/linux/i386/sysdep.h: define ALWAYS_USE_VSYSCALL.
> >
> > LGTM.
>
> Could you please commit it?
>

This is what I pushed.

Comments

Rafael Avila de Espindola Nov. 30, 2018, 11:34 p.m. UTC | #1
"H.J. Lu" <hjl.tools@gmail.com> writes:

>> Could you please commit it?
>>
>
> This is what I pushed.
>

Thanks!

Cheers,
Rafael
diff mbox

Patch

From 15b8d67e29142251a30576b5ab469051a8833e97 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafael=20=C3=81vila=20de=20Esp=C3=ADndola?=
 <rafael@espindo.la>
Date: Fri, 30 Nov 2018 14:32:35 -0800
Subject: [PATCH] Enable VDSO on i386 statically linked programs

	[BZ #19767]
	* sysdeps/unix/sysv/linux/i386/init-first.c: Don't check SHARED.
	* sysdeps/unix/sysv/linux/i386/sysdep.h (ALWAYS_USE_VSYSCALL):
	New.
---
 ChangeLog                                 |  7 +++++++
 sysdeps/unix/sysv/linux/i386/init-first.c | 12 +++++-------
 sysdeps/unix/sysv/linux/i386/sysdep.h     |  3 +++
 3 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index bb53b641a8..87d3863e7c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@ 
+2018-11-30  Rafael Ávila de Espíndola  <rafael@espindo.la>
+
+	[BZ #19767]
+	* sysdeps/unix/sysv/linux/i386/init-first.c: Don't check SHARED.
+	* sysdeps/unix/sysv/linux/i386/sysdep.h (ALWAYS_USE_VSYSCALL):
+	New.
+
 2018-11-30  Florian Weimer  <fweimer@redhat.com>
 
 	* scripts/abilist.awk: Print "0x0" for size 0. Handle "g"/"D".
diff --git a/sysdeps/unix/sysv/linux/i386/init-first.c b/sysdeps/unix/sysv/linux/i386/init-first.c
index 82ac7f5cf2..6e62dd5923 100644
--- a/sysdeps/unix/sysv/linux/i386/init-first.c
+++ b/sysdeps/unix/sysv/linux/i386/init-first.c
@@ -16,11 +16,10 @@ 
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#ifdef SHARED
-# include <time.h>
-# include <sysdep.h>
-# include <dl-vdso.h>
-# include <sysdep-vdso.h>
+#include <time.h>
+#include <sysdep.h>
+#include <dl-vdso.h>
+#include <sysdep-vdso.h>
 
 long int (*VDSO_SYMBOL (clock_gettime)) (clockid_t, struct timespec *)
   attribute_hidden;
@@ -44,7 +43,6 @@  __vdso_platform_setup (void)
   VDSO_SYMBOL (clock_gettime) = p;
 }
 
-# define VDSO_SETUP __vdso_platform_setup
-#endif
+#define VDSO_SETUP __vdso_platform_setup
 
 #include <csu/init-first.c>
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h
index 3255cc78b8..3891663a64 100644
--- a/sysdeps/unix/sysv/linux/i386/sysdep.h
+++ b/sysdeps/unix/sysv/linux/i386/sysdep.h
@@ -19,6 +19,9 @@ 
 #ifndef _LINUX_I386_SYSDEP_H
 #define _LINUX_I386_SYSDEP_H 1
 
+/* Always enable vsyscalls on i386 */
+#define ALWAYS_USE_VSYSCALL 1
+
 /* There is some commonality.  */
 #include <sysdeps/unix/sysv/linux/sysdep.h>
 #include <sysdeps/unix/i386/sysdep.h>
-- 
2.19.2