162306a36Sopenharmony_ci#!/bin/sh -eu 262306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0 362306a36Sopenharmony_ci 462306a36Sopenharmony_citmp_file=$(mktemp) 562306a36Sopenharmony_citrap "rm -f $tmp_file.o $tmp_file $tmp_file.bin" EXIT 662306a36Sopenharmony_ci 762306a36Sopenharmony_cicat << "END" | $CC -c -x c - -o $tmp_file.o >/dev/null 2>&1 862306a36Sopenharmony_civoid *p = &p; 962306a36Sopenharmony_ciEND 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci# ld.lld before 15 did not support -z pack-relative-relocs. 1262306a36Sopenharmony_ciif ! $LD $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr -o $tmp_file 2>/dev/null; then 1362306a36Sopenharmony_ci $LD $tmp_file.o -shared -Bsymbolic -z pack-relative-relocs -o $tmp_file 2>&1 | 1462306a36Sopenharmony_ci grep -q pack-relative-relocs && exit 1 1562306a36Sopenharmony_cifi 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci# Despite printing an error message, GNU nm still exits with exit code 0 if it 1862306a36Sopenharmony_ci# sees a relr section. So we need to check that nothing is printed to stderr. 1962306a36Sopenharmony_citest -z "$($NM $tmp_file 2>&1 >/dev/null)" 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci$OBJCOPY -O binary $tmp_file $tmp_file.bin 22