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/* Copyright (C) 2014-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>.
Versioned copy of debug/longjmp_chk.c modified for versioning
the reverted jmpbuf extension. */
#include <shlib-compat.h>
#if IS_IN (libc) && defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
/* this is a copy from debug/longjmp_chk.c because we need an unique name
for __longjmp_chk, but it is already named via a define
for __libc_siglongjmp in debug/longjmp_chk.c. */
# include <setjmp.h>
// XXX Should move to include/setjmp.h
extern void ____longjmp_chk (__jmp_buf __env, int __val)
__attribute__ ((__noreturn__));
# define __longjmp ____longjmp_chk
# define __libc_siglongjmp __v1__longjmp_chk
# include <setjmp/longjmp.c>
/* In glibc release 2.19 a new versions of __longjmp_chk was introduced,
but was reverted before 2.20. Thus both versions are the same function. */
strong_alias (__v1__longjmp_chk, __v2__longjmp_chk);
versioned_symbol (libc, __v1__longjmp_chk, __longjmp_chk, GLIBC_2_11);
compat_symbol (libc, __v2__longjmp_chk, __longjmp_chk, GLIBC_2_19);
#else
# include <debug/longjmp_chk.c>
#endif
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