Tejun Heo | 60a5317 | 2009-02-09 22:17:40 +0900 | [diff] [blame] | 1 | #!/bin/sh |
Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 2 | # SPDX-License-Identifier: GPL-2.0 |
Tejun Heo | 60a5317 | 2009-02-09 22:17:40 +0900 | [diff] [blame] | 3 | |
Andy Lutomirski | 3fb0fdb | 2021-02-13 11:19:44 -0800 | [diff] [blame] | 4 | # This requires GCC 8.1 or better. Specifically, we require |
| 5 | # -mstack-protector-guard-reg, added by |
| 6 | # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81708 |
| 7 | |
| 8 | echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -m32 -O0 -fstack-protector -mstack-protector-guard-reg=fs -mstack-protector-guard-symbol=__stack_chk_guard - -o - 2> /dev/null | grep -q "%fs" |