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46 lines
1.7 KiB
C
46 lines
1.7 KiB
C
/* Multiple versions of memmove. PowerPC64 version.
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Copyright (C) 2014-2019 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 lib and for
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DSO. In static binaries we need memmove before the initialization
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happened. */
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#if defined SHARED && 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_ppc attribute_hidden;
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extern __typeof (__redirect_memmove) __memmove_power7 attribute_hidden;
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libc_ifunc (__libc_memmove,
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(hwcap & PPC_FEATURE_HAS_VSX)
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? __memmove_power7
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: __memmove_ppc);
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#undef memmove
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strong_alias (__libc_memmove, memmove);
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libc_hidden_ver (__libc_memmove, memmove);
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#else
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# include <string/memmove.c>
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#endif
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