1#!/bin/sh -eu
 2# SPDX-License-Identifier: GPL-2.0
 3
 4tmp_file=$(mktemp)
 5trap "rm -f $tmp_file.o $tmp_file $tmp_file.bin" EXIT
 6
 7cat << "END" | $CC -c -x c - -o $tmp_file.o >/dev/null 2>&1
 8void *p = &p;
 9END
10$LD $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr -o $tmp_file
11
12# Despite printing an error message, GNU nm still exits with exit code 0 if it
13# sees a relr section. So we need to check that nothing is printed to stderr.
14test -z "$($NM $tmp_file 2>&1 >/dev/null)"
15
16$OBJCOPY -O binary $tmp_file $tmp_file.bin