diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/x86_64/init-first.c')
-rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/x86_64/init-first.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/x86_64/init-first.c b/REORG.TODO/sysdeps/unix/sysv/linux/x86_64/init-first.c new file mode 100644 index 0000000000..f1c46cb5bc --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/x86_64/init-first.c @@ -0,0 +1,52 @@ +/* Initialization code run first thing by the ELF startup code. Linux/x86-64. + Copyright (C) 2007-2017 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 <libc-vdso.h> + +long int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *) + attribute_hidden; +long int (*VDSO_SYMBOL(getcpu)) (unsigned *, unsigned *, void *) + attribute_hidden; + +extern long int __syscall_clock_gettime (clockid_t, struct timespec *); + + +static inline void +__vdso_platform_setup (void) +{ + PREPARE_VERSION (linux26, "LINUX_2.6", 61765110); + + void *p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux26); + if (p == NULL) + p = __syscall_clock_gettime; + PTR_MANGLE (p); + VDSO_SYMBOL(clock_gettime) = p; + + p = _dl_vdso_vsym ("__vdso_getcpu", &linux26); + PTR_MANGLE (p); + VDSO_SYMBOL(getcpu) = p; +} + +# define VDSO_SETUP __vdso_platform_setup +#endif + +#include <csu/init-first.c> |