[linux-block.git] / scripts / gcc-x86_32-has-stack-protector.sh

#!/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"
Commit	Line	Data
60a5317f	1	#!/bin/sh
b2441318	2	# SPDX-License-Identifier: GPL-2.0
60a5317f	3
3fb0fdb3 AL	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"