diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/dl-vdso-setup.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/dl-vdso-setup.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/dl-vdso-setup.h b/sysdeps/unix/sysv/linux/dl-vdso-setup.h new file mode 100644 index 0000000000..9f5e4a3b0b --- /dev/null +++ b/sysdeps/unix/sysv/linux/dl-vdso-setup.h @@ -0,0 +1,55 @@ +/* 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_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_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 |