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From: "azanella at linux dot vnet.ibm.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/16431] PowerPC: gettimeofday calling from glibc internal symbol redirects to system call version
Date: Fri, 10 Jan 2014 17:07:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=16431

--- Comment #1 from Adhemerval Zanella Netto <azanella at linux dot vnet.ibm.com> ---
An fix for this issue:

diff --git a/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c
b/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c
index 29a5e08..a90fd3e 100644
--- a/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c
+++ b/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c
@@ -35,8 +35,13 @@ __gettimeofday_syscall (struct timeval *tv, struct timezone
*tz)
 void *
 gettimeofday_ifunc (void)
 {
+  void *vdso_gettimeofday;
+
+  PREPARE_VERSION (linux2615, "LINUX_2.6.15", 123718565);
+
   /* If the vDSO is not available we fall back syscall.  */
-  return (__vdso_gettimeofday ? VDSO_IFUNC_RET (__vdso_gettimeofday)
+  vdso_gettimeofday = _dl_vdso_vsym ("__kernel_gettimeofday", &linux2615);
+  return (vdso_gettimeofday ? VDSO_IFUNC_RET (vdso_gettimeofday)
          : __gettimeofday_syscall);
 }
 asm (".type __gettimeofday, %gnu_indirect_function");

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