aboutsummaryrefslogtreecommitdiffstats
path: root/scripts/gcc-x86_32-has-stack-protector.sh
blob: 825c75c5b715051405905c599ff0e7b9f19a9106 (plain)
1
2
3
4
5
6
7
8
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0

# This requires GCC 8.1 or better.  Specifically, we require
# -mstack-protector-guard-reg, added by
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81708

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"