Brad Bishop | 1a4b7ee | 2018-12-16 17:11:34 -0800 | [diff] [blame] | 1 | /* Stack protector support. |
| 2 | Copyright (C) 2005-2018 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GCC. |
| 5 | |
| 6 | GCC is free software; you can redistribute it and/or modify it under |
| 7 | the terms of the GNU General Public License as published by the Free |
| 8 | Software Foundation; either version 3, or (at your option) any later |
| 9 | version. |
| 10 | |
| 11 | In addition to the permissions in the GNU General Public License, the |
| 12 | Free Software Foundation gives you unlimited permission to link the |
| 13 | compiled version of this file into combinations with other programs, |
| 14 | and to distribute those combinations without any restriction coming |
| 15 | from the use of this file. (The General Public License restrictions |
| 16 | do apply in other respects; for example, they cover modification of |
| 17 | the file, and distribution when not linked into a combine |
| 18 | executable.) |
| 19 | |
| 20 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| 21 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 22 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 23 | for more details. |
| 24 | |
| 25 | Under Section 7 of GPL version 3, you are granted additional |
| 26 | permissions described in the GCC Runtime Library Exception, version |
| 27 | 3.1, as published by the Free Software Foundation. |
| 28 | |
| 29 | You should have received a copy of the GNU General Public License and |
| 30 | a copy of the GCC Runtime Library Exception along with this program; |
| 31 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| 32 | <http://www.gnu.org/licenses/>. */ |
| 33 | |
| 34 | extern void __stack_chk_fail (void); |
| 35 | |
| 36 | /* Some targets can avoid loading a GP for calls to hidden functions. |
| 37 | Using this entry point may avoid the load of a GP entirely for the |
| 38 | function, making the overall code smaller. */ |
| 39 | |
| 40 | void |
| 41 | __attribute__((visibility ("hidden"))) |
| 42 | __stack_chk_fail_local (void) |
| 43 | { |
| 44 | __stack_chk_fail (); |
| 45 | } |