53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
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/* ELF symbol initialization functions for VDSO objects. Linux version.
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Copyright (C) 2020-2022 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
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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<https://www.gnu.org/licenses/>. */
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#ifndef _DL_VDSO_INIT_H
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#define _DL_VDSO_INIT_H
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/* Initialize the VDSO functions pointers. */
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static inline void __attribute__ ((always_inline))
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setup_vdso_pointers (void)
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{
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#ifdef HAVE_CLOCK_GETTIME_VSYSCALL
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GLRO(dl_vdso_clock_gettime) = dl_vdso_vsym (HAVE_CLOCK_GETTIME_VSYSCALL);
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#endif
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#ifdef HAVE_CLOCK_GETTIME64_VSYSCALL
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GLRO(dl_vdso_clock_gettime64) = dl_vdso_vsym (HAVE_CLOCK_GETTIME64_VSYSCALL);
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#endif
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#ifdef HAVE_GETTIMEOFDAY_VSYSCALL
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GLRO(dl_vdso_gettimeofday) = dl_vdso_vsym (HAVE_GETTIMEOFDAY_VSYSCALL);
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#endif
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#ifdef HAVE_TIME_VSYSCALL
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GLRO(dl_vdso_time) = dl_vdso_vsym (HAVE_TIME_VSYSCALL);
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#endif
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#ifdef HAVE_GETCPU_VSYSCALL
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GLRO(dl_vdso_getcpu) = dl_vdso_vsym (HAVE_GETCPU_VSYSCALL);
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#endif
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#ifdef HAVE_CLOCK_GETRES_VSYSCALL
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GLRO(dl_vdso_clock_getres) = dl_vdso_vsym (HAVE_CLOCK_GETRES_VSYSCALL);
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#endif
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#ifdef HAVE_CLOCK_GETRES64_VSYSCALL
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GLRO(dl_vdso_clock_getres_time64) = dl_vdso_vsym (HAVE_CLOCK_GETRES64_VSYSCALL);
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#endif
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#ifdef HAVE_GET_TBFREQ
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GLRO(dl_vdso_get_tbfreq) = dl_vdso_vsym (HAVE_GET_TBFREQ);
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#endif
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}
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#endif
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