52 lines
2.2 KiB
C
52 lines
2.2 KiB
C
/* Copyright (C) 2014-2022 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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Versioned copy of setjmp/longjmp.c modified for versioning
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the reverted jmpbuf extension. */
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#include <shlib-compat.h>
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#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
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/* We don't want the weak alias to longjmp, _longjmp, siglongjmp here,
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because we create the default/versioned symbols later. */
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# define __libc_siglongjmp __libc_siglongjmp
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#endif /* SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20) */
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#include <setjmp/longjmp.c>
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#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
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/* In glibc release 2.19 new versions of longjmp-functions were introduced,
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but were reverted before 2.20. Thus both versions are the same function. */
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strong_alias (__libc_siglongjmp, __libc_longjmp)
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weak_alias (__libc_siglongjmp, __v1_longjmp)
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weak_alias (__libc_siglongjmp, __v2_longjmp)
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versioned_symbol (libc, __v1_longjmp, _longjmp, GLIBC_2_0);
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compat_symbol (libc, __v2_longjmp, _longjmp, GLIBC_2_19);
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weak_alias (__libc_siglongjmp, __v1longjmp)
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weak_alias (__libc_siglongjmp, __v2longjmp)
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versioned_symbol (libc, __v1longjmp, longjmp, GLIBC_2_0);
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compat_symbol (libc, __v2longjmp, longjmp, GLIBC_2_19);
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weak_alias (__libc_siglongjmp, __v1siglongjmp)
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weak_alias (__libc_siglongjmp, __v2siglongjmp)
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versioned_symbol (libc, __v1siglongjmp, siglongjmp, GLIBC_2_0);
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compat_symbol (libc, __v2siglongjmp, siglongjmp, GLIBC_2_19);
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#endif /* SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20) */
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