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45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
/* Multiple versions of memmove. AARCH64 version.
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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
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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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<http://www.gnu.org/licenses/>. */
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/* Define multiple versions only for the definition in libc. */
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#if IS_IN (libc)
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/* Redefine memmove so that the compiler won't complain about the type
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mismatch with the IFUNC selector in strong_alias, below. */
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# undef memmove
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# define memmove __redirect_memmove
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# include <string.h>
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# include <init-arch.h>
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extern __typeof (__redirect_memmove) __libc_memmove;
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extern __typeof (__redirect_memmove) __memmove_generic attribute_hidden;
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extern __typeof (__redirect_memmove) __memmove_thunderx attribute_hidden;
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extern __typeof (__redirect_memmove) __memmove_falkor attribute_hidden;
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libc_ifunc (__libc_memmove,
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(IS_THUNDERX (midr)
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? __memmove_thunderx
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: (IS_FALKOR (midr) || IS_PHECDA (midr)
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? __memmove_falkor
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: __memmove_generic)));
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# undef memmove
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strong_alias (__libc_memmove, memmove);
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#endif
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