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Enable VDSO for static linking on mips

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I have tested that this builds and the resulting program still work.

This was tested on gcc23.fsffrance.org, and for some reason the vdso
there seems unused even when using shared libraries.

	[BZ #19767]
	* sysdeps/unix/sysv/linux/mips/init-first.c: Remove #ifdef SHARED.
        * sysdeps/unix/sysv/linux/mips/libc-vdso.h: Remove #ifdef SHARED.
        * sysdeps/unix/sysv/linux/mips/mips32/sysdep.h: Define
	ALWAYS_USE_VSYSCALL.
        * sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h: Define
	ALWAYS_USE_VSYSCALL.
	* sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h: Define
	ALWAYS_USE_VSYSCALL.
This commit is contained in:
Rafael Ávila de Espíndola 2018-12-10 21:27:54 +00:00 committed by Joseph Myers
parent 8d20a2f414
commit f9ba9eb821
6 changed files with 25 additions and 10 deletions
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12
ChangeLog
View File

@ -1,3 +1,15 @@
2018-12-10 Rafael Ávila de Espíndola <rafael@espindo.la>
[BZ #19767]
* sysdeps/unix/sysv/linux/mips/init-first.c: Remove #ifdef SHARED.
* sysdeps/unix/sysv/linux/mips/libc-vdso.h: Remove #ifdef SHARED.
* sysdeps/unix/sysv/linux/mips/mips32/sysdep.h: Define
ALWAYS_USE_VSYSCALL.
* sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h: Define
ALWAYS_USE_VSYSCALL.
* sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h: Define
ALWAYS_USE_VSYSCALL.
2018-12-10 Florian Weimer <fweimer@redhat.com>
[BZ #23972]

8
sysdeps/unix/sysv/linux/mips/init-first.c
View File

@ -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>
int (*VDSO_SYMBOL(gettimeofday)) (struct timeval *, void *) attribute_hidden;
int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *);
@ -38,7 +37,6 @@ _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>

6
sysdeps/unix/sysv/linux/mips/libc-vdso.h
View File

@ -20,14 +20,10 @@
#ifndef _LIBC_VDSO_H
#define _LIBC_VDSO_H
#ifdef SHARED
# include <sysdep-vdso.h>
#include <sysdep-vdso.h>
extern int (*VDSO_SYMBOL(gettimeofday)) (struct timeval *, void *)
attribute_hidden;
extern int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *);
#endif
#endif /* _LIBC_VDSO_H */

3
sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
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@ -18,6 +18,9 @@
#ifndef _LINUX_MIPS_MIPS32_SYSDEP_H
#define _LINUX_MIPS_MIPS32_SYSDEP_H 1
/* Always enable vsyscalls on mips32. */
#define ALWAYS_USE_VSYSCALL 1
/* There is some commonality. */
#include <sysdeps/unix/sysv/linux/sysdep.h>
#include <sysdeps/unix/mips/mips32/sysdep.h>

3
sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h
View File

@ -18,6 +18,9 @@
#ifndef _LINUX_MIPS_SYSDEP_H
#define _LINUX_MIPS_SYSDEP_H 1
/* Always enable vsyscalls on n32. */
#define ALWAYS_USE_VSYSCALL 1
/* There is some commonality. */
#include <sysdeps/unix/sysv/linux/sysdep.h>
#include <sysdeps/unix/mips/mips64/n32/sysdep.h>

3
sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h
View File

@ -18,6 +18,9 @@
#ifndef _LINUX_MIPS_SYSDEP_H
#define _LINUX_MIPS_SYSDEP_H 1
/* Always enable vsyscalls on n64. */
#define ALWAYS_USE_VSYSCALL 1
/* There is some commonality. */
#include <sysdeps/unix/sysv/linux/sysdep.h>
#include <sysdeps/unix/mips/mips64/n64/sysdep.h>