1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0
3
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 -m32 -O0 -fstack-protector -mstack-protector-guard-reg=fs -mstack-protector-guard-symbol=__stack_chk_guard - -o - 2> /dev/null | grep -q "%fs"
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