blob: 825c75c5b715051405905c599ff0e7b9f19a9106 [file] [log] [blame]
Tejun Heo60a53172009-02-09 22:17:40 +09001#!/bin/sh
Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01002# SPDX-License-Identifier: GPL-2.0
Tejun Heo60a53172009-02-09 22:17:40 +09003
Andy Lutomirski3fb0fdb2021-02-13 11:19:44 -08004# 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
8echo "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"