blob: 97a2c844a95e46ca168fea3ca78332db0086ec76 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
#!/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
|
