| /* Copyright (C) 2014-2018 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 |
