mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-12 22:30:12 +00:00
49 lines
1.8 KiB
C
49 lines
1.8 KiB
C
/* Copyright (C) 2014-2017 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
|
|
<http://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
|