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.bi
6
7 cat << "END" | $CC -c -x c - -o $tmp_file.o >/
8 void *p = &p;
9 END
10
11 # ld.lld before 15 did not support -z pack-rel
12 if ! $LD $tmp_file.o -shared -Bsymbolic --pack
13 $LD $tmp_file.o -shared -Bsymbolic -z
14 grep -q pack-relative-relocs &
15 fi
16
17 # Despite printing an error message, GNU nm st
18 # sees a relr section. So we need to check tha
19 test -z "$($NM $tmp_file 2>&1 >/dev/null)"
20
21 $OBJCOPY -O binary $tmp_file $tmp_file.bin
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