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riscv: Enable VDSO for static linking

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Checked on riscv64-linux-gnu-rv64imafdc-lp64d qemu system with
some static tests.

	[BZ #19767]
	* sysdeps/unix/sysv/linux/riscv/init-first.c: Remove #ifdef SHARED.
	* sysdeps/unix/sysv/linux/riscv/libc-vdso.h: Likewise.
	* sysdeps/unix/sysv/linux/riscv/sysdep.h (ALWAYS_USE_VSYSCALL):
	Define.
This commit is contained in:
Adhemerval Zanella 2019-05-29 18:48:38 -03:00
parent 503fc587f3
commit 27a0914e45
4 changed files with 13 additions and 10 deletions
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6
ChangeLog
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@ -1,5 +1,11 @@
2019-08-05 Adhemerval Zanella <adhemerval.zanella@linaro.org> 2019-08-05 Adhemerval Zanella <adhemerval.zanella@linaro.org>
[BZ #19767]
* sysdeps/unix/sysv/linux/riscv/init-first.c: Remove #ifdef SHARED.
* sysdeps/unix/sysv/linux/riscv/libc-vdso.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/sysdep.h (ALWAYS_USE_VSYSCALL):
Define.
* sysdeps/sh/libm-test-ulps: Update. * sysdeps/sh/libm-test-ulps: Update.
2019-08-05 Florian Weimer <fweimer@redhat.com> 2019-08-05 Florian Weimer <fweimer@redhat.com>

8
sysdeps/unix/sysv/linux/riscv/init-first.c
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@ -17,9 +17,8 @@
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>
long int (*VDSO_SYMBOL (getcpu)) (unsigned int *, unsigned int *, void *) long int (*VDSO_SYMBOL (getcpu)) (unsigned int *, unsigned int *, void *)
attribute_hidden; attribute_hidden;
@ -52,7 +51,6 @@ _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>

6
sysdeps/unix/sysv/linux/riscv/libc-vdso.h
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@ -20,9 +20,7 @@
#ifndef _LIBC_VDSO_H #ifndef _LIBC_VDSO_H
#define _LIBC_VDSO_H #define _LIBC_VDSO_H
#ifdef SHARED #include <sysdep-vdso.h>
# include <sysdep-vdso.h>
extern long int (*VDSO_SYMBOL (getcpu)) (unsigned int *, unsigned int *, void *) extern long int (*VDSO_SYMBOL (getcpu)) (unsigned int *, unsigned int *, void *)
attribute_hidden; attribute_hidden;
@ -33,6 +31,4 @@ extern long int (*VDSO_SYMBOL (clock_gettime)) (clockid_t, struct timespec *)
extern long int (*VDSO_SYMBOL (clock_getres)) (clockid_t, struct timespec *) extern long int (*VDSO_SYMBOL (clock_getres)) (clockid_t, struct timespec *)
attribute_hidden; attribute_hidden;
#endif
#endif /* _LIBC_VDSO_H */ #endif /* _LIBC_VDSO_H */

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