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dd8486ffc1
If libc_hidden_builtin_{def,proto} isn't properly set for *_chk routines,
there are unwanted PLT entries in libc.so.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
36 lines
1.4 KiB
C
36 lines
1.4 KiB
C
/* Multiple versions of __memset_chk
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All versions must be listed in ifunc-impl-list.c.
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Copyright (C) 2017-2023 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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/* Define multiple versions only for the definition in libc.so. */
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#if IS_IN (libc) && defined SHARED
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# define __memset_chk __redirect_memset_chk
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# include <string.h>
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# undef __memset_chk
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# define SYMBOL_NAME memset_chk
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# include "ifunc-memset.h"
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libc_ifunc_redirected (__redirect_memset_chk, __memset_chk,
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IFUNC_SELECTOR ());
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# ifdef SHARED
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__hidden_ver1 (__memset_chk, __GI___memset_chk, __redirect_memset_chk)
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__attribute__ ((visibility ("hidden"))) __attribute_copy__ (__memset_chk);
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# endif
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#endif
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