Commit | Line | Data |
---|---|---|
5cf896fb PC |
1 | #!/bin/sh -eu |
2 | # SPDX-License-Identifier: GPL-2.0 | |
3 | ||
4 | tmp_file=$(mktemp) | |
5 | trap "rm -f $tmp_file.o $tmp_file $tmp_file.bin" EXIT | |
6 | ||
7 | cat << "END" | "$CC" -c -x c - -o $tmp_file.o >/dev/null 2>&1 | |
8 | void *p = &p; | |
9 | END | |
10 | "$LD" $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr -o $tmp_file | |
11 | ||
12 | # Despite printing an error message, GNU nm still exits with exit code 0 if it | |
13 | # sees a relr section. So we need to check that nothing is printed to stderr. | |
14 | test -z "$("$NM" $tmp_file 2>&1 >/dev/null)" | |
15 | ||
16 | "$OBJCOPY" -O binary $tmp_file $tmp_file.bin |