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[glibc] riscv: Enable VDSO for static linking
- From: Adhemerval Zanella <azanella at sourceware dot org>
- To: glibc-cvs at sourceware dot org
- Date: 5 Aug 2019 19:45:28 -0000
- Subject: [glibc] riscv: Enable VDSO for static linking
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=27a0914e4586b06375b20731fa6515fe30334373
commit 27a0914e4586b06375b20731fa6515fe30334373
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed May 29 18:48:38 2019 -0300
riscv: Enable VDSO for static linking
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.
Diff:
---
ChangeLog | 6 ++++++
sysdeps/unix/sysv/linux/riscv/init-first.c | 8 +++-----
sysdeps/unix/sysv/linux/riscv/libc-vdso.h | 6 +-----
sysdeps/unix/sysv/linux/riscv/sysdep.h | 3 +++
4 files changed, 13 insertions(+), 10 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index bd17d9e..bd12f2d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
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.
2019-08-05 Florian Weimer <fweimer@redhat.com>
diff --git a/sysdeps/unix/sysv/linux/riscv/init-first.c b/sysdeps/unix/sysv/linux/riscv/init-first.c
index 8134c79..98a8ce3 100644
--- a/sysdeps/unix/sysv/linux/riscv/init-first.c
+++ b/sysdeps/unix/sysv/linux/riscv/init-first.c
@@ -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>
long int (*VDSO_SYMBOL (getcpu)) (unsigned int *, unsigned int *, void *)
attribute_hidden;
@@ -52,7 +51,6 @@ _libc_vdso_platform_setup (void)
VDSO_SYMBOL (clock_getres) = p;
}
-# define VDSO_SETUP _libc_vdso_platform_setup
-#endif
+#define VDSO_SETUP _libc_vdso_platform_setup
#include <csu/init-first.c>
diff --git a/sysdeps/unix/sysv/linux/riscv/libc-vdso.h b/sysdeps/unix/sysv/linux/riscv/libc-vdso.h
index b0c46f3..2373292 100644
--- a/sysdeps/unix/sysv/linux/riscv/libc-vdso.h
+++ b/sysdeps/unix/sysv/linux/riscv/libc-vdso.h
@@ -20,9 +20,7 @@
#ifndef _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 *)
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 *)
attribute_hidden;
-#endif
-
#endif /* _LIBC_VDSO_H */
diff --git a/sysdeps/unix/sysv/linux/riscv/sysdep.h b/sysdeps/unix/sysv/linux/riscv/sysdep.h
index 5470ea3..caf013a 100644
--- a/sysdeps/unix/sysv/linux/riscv/sysdep.h
+++ b/sysdeps/unix/sysv/linux/riscv/sysdep.h
@@ -19,6 +19,9 @@
#ifndef _LINUX_RISCV_SYSDEP_H
#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 <tls.h>