diff options
Diffstat (limited to 'sysdeps/unix/sysv')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/gettimeofday.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c b/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c index 06aae83cc5..cc5d82e10a 100644 --- a/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c +++ b/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c @@ -43,8 +43,24 @@ asm (".type __gettimeofday, %gnu_indirect_function"); /* This is doing "libc_hidden_def (__gettimeofday)" but the compiler won't let us do it in C because it doesn't know we're defining __gettimeofday here in this file. */ -asm (".globl __GI___gettimeofday\n" - "__GI___gettimeofday = __gettimeofday"); +asm (".globl __GI___gettimeofday"); + +/* __GI___gettimeofday is defined as hidden and for ppc32 it enables the + compiler make a local call (symbol@local) for internal GLIBC usage. It + means the PLT won't be used and the ifunc resolver will be called directly. + For ppc64 a call to a function in another translation unit might use a + different toc pointer thus disallowing direct branchess and making internal + ifuncs calls safe. */ +#ifdef __powerpc64__ +asm ("__GI___gettimeofday = __gettimeofday"); +#else +int +__gettimeofday_vsyscall (struct timeval *tv, struct timezone *tz) +{ + return INLINE_VSYSCALL (gettimeofday, 2, tv, tz); +} +asm ("__GI___gettimeofday = __gettimeofday_vsyscall"); +#endif #else |