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- /* RISC-V VDSO initialization
- Copyright (C) 2017-2019 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
- 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>
- long int (*VDSO_SYMBOL (getcpu)) (unsigned int *, unsigned int *, void *)
- attribute_hidden;
- long int (*VDSO_SYMBOL (gettimeofday)) (struct timeval *, void *)
- attribute_hidden;
- long int (*VDSO_SYMBOL (clock_gettime)) (clockid_t, struct timespec *)
- attribute_hidden;
- long int (*VDSO_SYMBOL (clock_getres)) (clockid_t, struct timespec *)
- attribute_hidden;
- static inline void
- _libc_vdso_platform_setup (void)
- {
- PREPARE_VERSION_KNOWN (linux_version, LINUX_4_15);
- void *p = _dl_vdso_vsym ("__vdso_getcpu", &linux_version);
- PTR_MANGLE (p);
- VDSO_SYMBOL (getcpu) = p;
- p = _dl_vdso_vsym ("__vdso_gettimeofday", &linux_version);
- PTR_MANGLE (p);
- VDSO_SYMBOL (gettimeofday) = p;
- p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux_version);
- PTR_MANGLE (p);
- VDSO_SYMBOL (clock_gettime) = p;
- p = _dl_vdso_vsym ("__vdso_clock_getres", &linux_version);
- PTR_MANGLE (p);
- VDSO_SYMBOL (clock_getres) = p;
- }
- # define VDSO_SETUP _libc_vdso_platform_setup
- #endif
- #include <csu/init-first.c>
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