diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/i386/init-first.c')
-rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/i386/init-first.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/i386/init-first.c b/REORG.TODO/sysdeps/unix/sysv/linux/i386/init-first.c new file mode 100644 index 0000000000..bbbecdd41f --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/i386/init-first.c @@ -0,0 +1,50 @@ +/* Initialization code run first thing by the ELF startup code. Linux/i386. + Copyright (C) 2015-2017 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 <dl-vdso.h> +# include <sysdep-vdso.h> + +long int (*VDSO_SYMBOL (clock_gettime)) (clockid_t, struct timespec *) + attribute_hidden; + +static long int +clock_gettime_syscall (clockid_t id, struct timespec *tp) +{ + INTERNAL_SYSCALL_DECL (err); + return INTERNAL_SYSCALL (clock_gettime, err, 2, id, tp); +} + +static inline void +__vdso_platform_setup (void) +{ + PREPARE_VERSION_KNOWN (linux26, LINUX_2_6); + + void *p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux26); + if (p == NULL) + p = clock_gettime_syscall; + PTR_MANGLE (p); + VDSO_SYMBOL (clock_gettime) = p; +} + +# define VDSO_SETUP __vdso_platform_setup +#endif + +#include <csu/init-first.c> |