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 | |
23 | extern char **__libc_argv attribute_hidden; |
24 | |
25 | void |
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 | |
40 | void |
41 | __attribute__ ((noreturn)) |
42 | __fortify_fail (const char *msg) |
43 | { |
44 | __fortify_fail_abort (true, msg); |
45 | } |
46 | |
47 | libc_hidden_def (__fortify_fail) |
48 | libc_hidden_def (__fortify_fail_abort) |
49 | |