| #!/bin/sh -eu |
| # SPDX-License-Identifier: GPL-2.0 |
| |
| tmp_file=$(mktemp) |
| trap "rm -f $tmp_file.o $tmp_file $tmp_file.bin" EXIT |
| |
| cat << "END" | $CC -c -x c - -o $tmp_file.o >/dev/null 2>&1 |
| void *p = &p; |
| END |
| $LD $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr -o $tmp_file |
| |
| # Despite printing an error message, GNU nm still exits with exit code 0 if it |
| # sees a relr section. So we need to check that nothing is printed to stderr. |
| test -z "$($NM $tmp_file 2>&1 >/dev/null)" |
| |
| $OBJCOPY -O binary $tmp_file $tmp_file.bin |
