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Enable VDSO for static linking on aarch64

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[BZ #19767]
	* sysdeps/unix/sysv/linux/aarch64/init-first.c: Remove #ifdef SHARED.
	* sysdeps/unix/sysv/linux/aarch64/libc-vdso.h: Remove #ifdef SHARED.
	* sysdeps/unix/sysv/linux/aarch64/sysdep.h (ALWAYS_USE_VSYSCALL):
	Define.
This commit is contained in:
Rafael Ávila de Espíndola 2018-11-27 12:27:39 +00:00 committed by Szabolcs Nagy
parent ce035c6e90
commit 979cfed05d
4 changed files with 15 additions and 10 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2018-11-27 Rafael Ávila de Espíndola <rafael@espindo.la>
[BZ #19767]
* sysdeps/unix/sysv/linux/aarch64/init-first.c: Remove #ifdef SHARED.
* sysdeps/unix/sysv/linux/aarch64/libc-vdso.h: Remove #ifdef SHARED.
* sysdeps/unix/sysv/linux/aarch64/sysdep.h: Define ALWAYS_USE_VSYSCALL.
2018-11-26 Carlos O'Donell <carlos@redhat.com> 2018-11-26 Carlos O'Donell <carlos@redhat.com>
* scripts/abilist.awk: Handle .tdata. Error for unknown combinations. * scripts/abilist.awk: Handle .tdata. Error for unknown combinations.

8
sysdeps/unix/sysv/linux/aarch64/init-first.c
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@ -16,9 +16,8 @@
License along with the GNU C Library; if not, see License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */ <http://www.gnu.org/licenses/>. */
#ifdef SHARED #include <dl-vdso.h>
# include <dl-vdso.h> #include <libc-vdso.h>
# include <libc-vdso.h>
int (*VDSO_SYMBOL(gettimeofday)) (struct timeval *, void *) attribute_hidden; int (*VDSO_SYMBOL(gettimeofday)) (struct timeval *, void *) attribute_hidden;
int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *); int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *);
@ -46,7 +45,6 @@ _libc_vdso_platform_setup (void)
VDSO_SYMBOL(clock_getres) = p; VDSO_SYMBOL(clock_getres) = p;
} }
# define VDSO_SETUP _libc_vdso_platform_setup #define VDSO_SETUP _libc_vdso_platform_setup
#endif
#include <csu/init-first.c> #include <csu/init-first.c>

7
sysdeps/unix/sysv/linux/aarch64/libc-vdso.h
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@ -19,15 +19,12 @@
#ifndef _LIBC_VDSO_H #ifndef _LIBC_VDSO_H
#define _LIBC_VDSO_H #define _LIBC_VDSO_H
#ifdef SHARED #include <sysdep.h>
#include <sysdep-vdso.h>
# include <sysdep-vdso.h>
extern int (*VDSO_SYMBOL(gettimeofday)) (struct timeval *, void *) extern int (*VDSO_SYMBOL(gettimeofday)) (struct timeval *, void *)
attribute_hidden; attribute_hidden;
extern int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *); extern int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *);
extern int (*VDSO_SYMBOL(clock_getres)) (clockid_t, struct timespec *); extern int (*VDSO_SYMBOL(clock_getres)) (clockid_t, struct timespec *);
#endif
#endif /* _LIBC_VDSO_H */ #endif /* _LIBC_VDSO_H */

3
sysdeps/unix/sysv/linux/aarch64/sysdep.h
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@ -19,6 +19,9 @@
#ifndef _LINUX_AARCH64_SYSDEP_H #ifndef _LINUX_AARCH64_SYSDEP_H
#define _LINUX_AARCH64_SYSDEP_H 1 #define _LINUX_AARCH64_SYSDEP_H 1
/* Always enable vsyscalls on aarch64 */
#define ALWAYS_USE_VSYSCALL 1
#include <sysdeps/unix/sysdep.h> #include <sysdeps/unix/sysdep.h>
#include <sysdeps/aarch64/sysdep.h> #include <sysdeps/aarch64/sysdep.h>
#include <sysdeps/unix/sysv/linux/generic/sysdep.h> #include <sysdeps/unix/sysv/linux/generic/sysdep.h>