diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/s390/longjmp_chk.c')
-rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/s390/longjmp_chk.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/s390/longjmp_chk.c b/REORG.TODO/sysdeps/unix/sysv/linux/s390/longjmp_chk.c new file mode 100644 index 0000000000..878cbd4850 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/s390/longjmp_chk.c @@ -0,0 +1,48 @@ +/* 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 |