diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c b/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c deleted file mode 100644 index 7a4492c567..0000000000 --- a/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c +++ /dev/null @@ -1,54 +0,0 @@ -/* Copyright (C) 2009-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek <jakub@redhat.com>. - - 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/>. */ - -#include <errno.h> -#include <sysdep.h> -#include <setjmp.h> -#include <bits/setjmp.h> -#include <stdlib.h> -#include <unistd.h> -#include <stdio.h> -#include <stdint.h> -#include <signal.h> -#include <sys/syscall.h> - -#define __longjmp ____longjmp_chk - -#define CHECK_SP(env, guard) \ - do \ - { \ - uintptr_t cur_sp; \ - uintptr_t new_sp = env->__gregs[9]; \ - __asm__ ("lgr %0, %%r15" : "=r" (cur_sp)); \ - new_sp ^= guard; \ - if (new_sp < cur_sp) \ - { \ - stack_t oss; \ - INTERNAL_SYSCALL_DECL (err); \ - int res = INTERNAL_SYSCALL (sigaltstack, err, 2, NULL, &oss); \ - if (!INTERNAL_SYSCALL_ERROR_P (res, err)) \ - { \ - if ((oss.ss_flags & SS_ONSTACK) == 0 \ - || ((uintptr_t) (oss.ss_sp + oss.ss_size) - new_sp \ - < oss.ss_size)) \ - __fortify_fail ("longjmp causes uninitialized stack frame");\ - } \ - } \ - } while (0) - -#include "__longjmp.c" |