1/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
17
18#include <stdio.h>
19#include <stdlib.h>
20#include <stdbool.h>
21
22
23extern char **__libc_argv attribute_hidden;
24
25void
26__attribute__ ((noreturn))
27__fortify_fail_abort (_Bool need_backtrace, const char *msg)
28{
29 /* The loop is added only to keep gcc happy. Don't pass down
30 __libc_argv[0] if we aren't doing backtrace since __libc_argv[0]
31 may point to the corrupted stack. */
32 while (1)
33 __libc_message (need_backtrace ? (do_abort | do_backtrace) : do_abort,
34 "*** %s ***: %s terminated\n",
35 msg,
36 (need_backtrace && __libc_argv[0] != NULL
37 ? __libc_argv[0] : "<unknown>"));
38}
39
40void
41__attribute__ ((noreturn))
42__fortify_fail (const char *msg)
43{
44 __fortify_fail_abort (true, msg);
45}
46
47libc_hidden_def (__fortify_fail)
48libc_hidden_def (__fortify_fail_abort)
49