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27a0914e45
Checked on riscv64-linux-gnu-rv64imafdc-lp64d qemu system with some static tests. [BZ #19767] * sysdeps/unix/sysv/linux/riscv/init-first.c: Remove #ifdef SHARED. * sysdeps/unix/sysv/linux/riscv/libc-vdso.h: Likewise. * sysdeps/unix/sysv/linux/riscv/sysdep.h (ALWAYS_USE_VSYSCALL): Define.
57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/* RISC-V VDSO initialization
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Copyright (C) 2017-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <dl-vdso.h>
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#include <libc-vdso.h>
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long int (*VDSO_SYMBOL (getcpu)) (unsigned int *, unsigned int *, void *)
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attribute_hidden;
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long int (*VDSO_SYMBOL (gettimeofday)) (struct timeval *, void *)
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attribute_hidden;
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long int (*VDSO_SYMBOL (clock_gettime)) (clockid_t, struct timespec *)
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attribute_hidden;
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long int (*VDSO_SYMBOL (clock_getres)) (clockid_t, struct timespec *)
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attribute_hidden;
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static inline void
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_libc_vdso_platform_setup (void)
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{
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PREPARE_VERSION_KNOWN (linux_version, LINUX_4_15);
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void *p = _dl_vdso_vsym ("__vdso_getcpu", &linux_version);
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PTR_MANGLE (p);
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VDSO_SYMBOL (getcpu) = p;
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p = _dl_vdso_vsym ("__vdso_gettimeofday", &linux_version);
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PTR_MANGLE (p);
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VDSO_SYMBOL (gettimeofday) = p;
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p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux_version);
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PTR_MANGLE (p);
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VDSO_SYMBOL (clock_gettime) = p;
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p = _dl_vdso_vsym ("__vdso_clock_getres", &linux_version);
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PTR_MANGLE (p);
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VDSO_SYMBOL (clock_getres) = p;
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}
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#define VDSO_SETUP _libc_vdso_platform_setup
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#include <csu/init-first.c>
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