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31 lines
1.1 KiB
C
31 lines
1.1 KiB
C
/* Hardware capability support for run-time dynamic loader.
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Copyright (C) 2017-2020 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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#include <elf/dl-tunables.h>
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#if HAVE_TUNABLES
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# define GET_HWCAP_MASK() TUNABLE_GET (glibc, cpu, hwcap_mask, uint64_t, NULL)
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#else
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# ifdef SHARED
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# define GET_HWCAP_MASK() GLRO(dl_hwcap_mask)
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# else
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/* HWCAP_MASK is ignored in static binaries when built without tunables. */
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# define GET_HWCAP_MASK() (0)
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# endif
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#endif
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