/* Initialization code run first thing by the ELF startup code. Linux/PowerPC.
- Copyright (C) 2007-2013 Free Software Foundation, Inc.
+ Copyright (C) 2007-2019 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
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/>. */
+ <https://www.gnu.org/licenses/>. */
-#ifdef SHARED
-# include <dl-vdso.h>
-# undef __gettimeofday
-# undef __clock_gettime
-# undef __clock_getres
-# include <bits/libc-vdso.h>
+#include <dl-vdso.h>
+#include <libc-vdso.h>
-void *__vdso_gettimeofday attribute_hidden;
-void *__vdso_clock_gettime;
-void *__vdso_clock_getres;
-void *__vdso_get_tbfreq;
-void *__vdso_getcpu;
+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);
+ PREPARE_VERSION_KNOWN (linux2615, LINUX_2_6_15);
- __vdso_gettimeofday = _dl_vdso_vsym ("__kernel_gettimeofday", &linux2615);
+ void *p = _dl_vdso_vsym ("__kernel_gettimeofday", &linux2615);
+ PTR_MANGLE (p);
+ VDSO_SYMBOL (gettimeofday) = p;
- __vdso_clock_gettime = _dl_vdso_vsym ("__kernel_clock_gettime", &linux2615);
+ p = _dl_vdso_vsym ("__kernel_clock_gettime", &linux2615);
+ PTR_MANGLE (p);
+ VDSO_SYMBOL (clock_gettime) = p;
- __vdso_clock_getres = _dl_vdso_vsym ("__kernel_clock_getres", &linux2615);
+ p = _dl_vdso_vsym ("__kernel_clock_getres", &linux2615);
+ PTR_MANGLE (p);
+ VDSO_SYMBOL (clock_getres) = p;
- __vdso_get_tbfreq = _dl_vdso_vsym ("__kernel_get_tbfreq", &linux2615);
+ p = _dl_vdso_vsym ("__kernel_get_tbfreq", &linux2615);
+ PTR_MANGLE (p);
+ VDSO_SYMBOL (get_tbfreq) = p;
- __vdso_getcpu = _dl_vdso_vsym ("__kernel_getcpu", &linux2615);
-}
+ 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;
-# define VDSO_SETUP _libc_vdso_platform_setup
+ /* 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
#include <csu/init-first.c>