mirror of
https://sourceware.org/git/glibc.git
synced 2025-11-03 20:53:13 +03:00
0dc1a378b1
No architecture currently defines the vDSO symbol. On archictures with 64-bit time_t the HAVE_CLOCK_GETRES_VSYSCALL is renamed to HAVE_CLOCK_GETRES64_VSYSCALL, it simplifies clock_gettime code. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/* ELF symbol initialization functions for VDSO objects. Linux version.
|
|
Copyright (C) 2020 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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _DL_VDSO_INIT_H
|
|
#define _DL_VDSO_INIT_H
|
|
|
|
/* Initialize the VDSO functions pointers. */
|
|
static inline void __attribute__ ((always_inline))
|
|
setup_vdso_pointers (void)
|
|
{
|
|
#ifdef HAVE_CLOCK_GETTIME_VSYSCALL
|
|
GLRO(dl_vdso_clock_gettime) = dl_vdso_vsym (HAVE_CLOCK_GETTIME_VSYSCALL);
|
|
#endif
|
|
#ifdef HAVE_CLOCK_GETTIME64_VSYSCALL
|
|
GLRO(dl_vdso_clock_gettime64) = dl_vdso_vsym (HAVE_CLOCK_GETTIME64_VSYSCALL);
|
|
#endif
|
|
#ifdef HAVE_GETTIMEOFDAY_VSYSCALL
|
|
GLRO(dl_vdso_gettimeofday) = dl_vdso_vsym (HAVE_GETTIMEOFDAY_VSYSCALL);
|
|
#endif
|
|
#ifdef HAVE_TIME_VSYSCALL
|
|
GLRO(dl_vdso_time) = dl_vdso_vsym (HAVE_TIME_VSYSCALL);
|
|
#endif
|
|
#ifdef HAVE_GETCPU_VSYSCALL
|
|
GLRO(dl_vdso_getcpu) = dl_vdso_vsym (HAVE_GETCPU_VSYSCALL);
|
|
#endif
|
|
#ifdef HAVE_CLOCK_GETRES_VSYSCALL
|
|
GLRO(dl_vdso_clock_getres) = dl_vdso_vsym (HAVE_CLOCK_GETRES_VSYSCALL);
|
|
#endif
|
|
#ifdef HAVE_CLOCK_GETRES64_VSYSCALL
|
|
GLRO(dl_vdso_clock_getres_time64) = dl_vdso_vsym (HAVE_CLOCK_GETRES64_VSYSCALL);
|
|
#endif
|
|
#ifdef HAVE_GET_TBFREQ
|
|
GLRO(dl_vdso_get_tbfreq) = dl_vdso_vsym (HAVE_GET_TBFREQ);
|
|
#endif
|
|
#ifdef HAVE_SIGTRAMP_RT64
|
|
GLRO(dl_vdso_sigtramp_rt64) = dl_vdso_vsym (HAVE_SIGTRAMP_RT64);
|
|
#endif
|
|
#ifdef HAVE_SIGTRAMP_RT32
|
|
GLRO(dl_vdso_sigtramp_rt32) = dl_vdso_vsym (HAVE_SIGTRAMP_RT32);
|
|
#endif
|
|
#ifdef HAVE_SIGTRAMP_32
|
|
GLRO(dl_vdso_sigtramp_32) = dl_vdso_vsym (HAVE_SIGTRAMP_32);
|
|
#endif
|
|
}
|
|
|
|
#endif
|