diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/powerpc/init-first.c')
| -rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/powerpc/init-first.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/powerpc/init-first.c b/REORG.TODO/sysdeps/unix/sysv/linux/powerpc/init-first.c new file mode 100644 index 0000000000..64b7589c1f --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/powerpc/init-first.c @@ -0,0 +1,85 @@ +/* Initialization code run first thing by the ELF startup code. Linux/PowerPC. + 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 <dl-vdso.h> +# include <libc-vdso.h> + +int (*VDSO_SYMBOL(gettimeofday)) (struct timeval *, void *) + attribute_hidden; +int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *); +int (*VDSO_SYMBOL(clock_getres)) (clockid_t, struct timespec *); +unsigned long long (*VDSO_SYMBOL(get_tbfreq)) (void); +int (*VDSO_SYMBOL(getcpu)) (unsigned *, unsigned *); +time_t (*VDSO_SYMBOL(time)) (time_t *); + +#if defined(__PPC64__) || defined(__powerpc64__) +void *VDSO_SYMBOL(sigtramp_rt64); +#else +void *VDSO_SYMBOL(sigtramp32); +void *VDSO_SYMBOL(sigtramp_rt32); +#endif + +static inline void +_libc_vdso_platform_setup (void) +{ + PREPARE_VERSION (linux2615, "LINUX_2.6.15", 123718565); + + void *p = _dl_vdso_vsym ("__kernel_gettimeofday", &linux2615); + PTR_MANGLE (p); + VDSO_SYMBOL (gettimeofday) = p; + + p = _dl_vdso_vsym ("__kernel_clock_gettime", &linux2615); + PTR_MANGLE (p); + VDSO_SYMBOL (clock_gettime) = p; + + p = _dl_vdso_vsym ("__kernel_clock_getres", &linux2615); + PTR_MANGLE (p); + VDSO_SYMBOL (clock_getres) = p; + + p = _dl_vdso_vsym ("__kernel_get_tbfreq", &linux2615); + PTR_MANGLE (p); + VDSO_SYMBOL (get_tbfreq) = p; + + p = _dl_vdso_vsym ("__kernel_getcpu", &linux2615); + PTR_MANGLE (p); + VDSO_SYMBOL (getcpu) = p; + + p = _dl_vdso_vsym ("__kernel_time", &linux2615); + PTR_MANGLE (p); + VDSO_SYMBOL (time) = p; + + /* PPC64 uses only one signal trampoline symbol, while PPC32 will use + two depending if SA_SIGINFO is used (__kernel_sigtramp_rt32) or not + (__kernel_sigtramp32). + There is no need to pointer mangle these symbol because they will + used only for pointer comparison. */ +#if defined(__PPC64__) || defined(__powerpc64__) + VDSO_SYMBOL(sigtramp_rt64) = _dl_vdso_vsym ("__kernel_sigtramp_rt64", + &linux2615); +#else + VDSO_SYMBOL(sigtramp32) = _dl_vdso_vsym ("__kernel_sigtramp32", &linux2615); + VDSO_SYMBOL(sigtramp_rt32) = _dl_vdso_vsym ("__kernel_sigtramp_rt32", + &linux2615); +#endif +} + +# define VDSO_SETUP _libc_vdso_platform_setup +#endif + +#include <csu/init-first.c> |