diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/time.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/time.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/time.c b/sysdeps/unix/sysv/linux/powerpc/time.c new file mode 100644 index 0000000000..66b4eb3049 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/time.c @@ -0,0 +1,62 @@ +/* time system call for Linux/PowerPC. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifdef SHARED + +# include <time.h> +# include <sysdep.h> +# include <bits/libc-vdso.h> + +void *time_ifunc (void) asm ("time"); + +static time_t +time_syscall (time_t *t) +{ + struct timeval tv; + time_t result; + + if (INLINE_VSYSCALL (gettimeofday, 2, &tv, NULL) < 0) + result = (time_t) -1; + else + result = (time_t) tv.tv_sec; + + if (t != NULL) + *t = result; + return result; +} + +void * +time_ifunc (void) +{ + /* If the vDSO is not available we fall back to the syscall. */ + return (__vdso_time ? VDSO_IFUNC_RET (__vdso_time) + : time_syscall); +} +asm (".type time, %gnu_indirect_function"); + +/* This is doing "libc_hidden_def (time)" but the compiler won't + * let us do it in C because it doesn't know we're defining time + * here in this file. */ +asm (".globl __GI_time\n" + "__GI_time = time"); + +#else + +#include <sysdeps/posix/time.c> + +#endif |