1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0
3
4 # Test runner for nolibc tests
5
6 set -e
7
8 trap 'echo Aborting...' 'ERR'
9
10 crosstool_version=13.2.0
11 hostarch=x86_64
12 nproc=$(( $(nproc) + 2))
13 cache_dir="${XDG_CACHE_HOME:-"$HOME"/.cache}"
14 download_location="${cache_dir}/crosstools/"
15 build_location="$(realpath "${cache_dir}"/nolibc-tests/)"
16 perform_download=0
17 test_mode=system
18 werror=1
19 llvm=
20 archs="i386 x86_64 arm64 arm mips32le mips32be ppc ppc64 ppc64le riscv s390 loongarch"
21
22 TEMP=$(getopt -o 'j:d:c:b:a:m:pelh' -n "$0" -- "$@")
23
24 eval set -- "$TEMP"
25 unset TEMP
26
27 print_usage() {
28 cat <<EOF
29 Run nolibc testsuite for multiple architectures with crosstools
30
31 Usage:
32 $0 [options] <architectures>
33
34 Known architectures:
35 ${archs}
36
37 Options:
38 -j [N] Allow N jobs at once (default: ${nproc})
39 -p Allow download of toolchains
40 -d [DIR] Download location for toolchains (default: ${download_location})
41 -c [VERSION] Version of toolchains to use (default: ${crosstool_version})
42 -a [ARCH] Host architecture of toolchains to use (default: ${hostarch})
43 -b [DIR] Build location (default: ${build_location})
44 -m [MODE] Test mode user/system (default: ${test_mode})
45 -e Disable -Werror
46 -l Build with LLVM/clang
47 EOF
48 }
49
50 while true; do
51 case "$1" in
52 '-j')
53 nproc="$2"
54 shift 2; continue ;;
55 '-p')
56 perform_download=1
57 shift; continue ;;
58 '-d')
59 download_location="$2"
60 shift 2; continue ;;
61 '-c')
62 crosstool_version="$2"
63 shift 2; continue ;;
64 '-a')
65 hostarch="$2"
66 shift 2; continue ;;
67 '-b')
68 build_location="$(realpath "$2")"
69 shift 2; continue ;;
70 '-m')
71 test_mode="$2"
72 shift 2; continue ;;
73 '-e')
74 werror=0
75 shift; continue ;;
76 '-l')
77 llvm=1
78 shift; continue ;;
79 '-h')
80 print_usage
81 exit 0
82 ;;
83 '--')
84 shift; break ;;
85 *)
86 echo 'Internal error!' >&2; exit 1 ;;
87 esac
88 done
89
90 if [[ -n "$*" ]]; then
91 archs="$*"
92 fi
93
94 crosstool_arch() {
95 case "$1" in
96 arm64) echo aarch64;;
97 ppc) echo powerpc;;
98 ppc64) echo powerpc64;;
99 ppc64le) echo powerpc64;;
100 riscv) echo riscv64;;
101 loongarch) echo loongarch64;;
102 mips*) echo mips;;
103 *) echo "$1";;
104 esac
105 }
106
107 crosstool_abi() {
108 case "$1" in
109 arm) echo linux-gnueabi;;
110 *) echo linux;;
111 esac
112 }
113
114 download_crosstool() {
115 arch="$(crosstool_arch "$1")"
116 abi="$(crosstool_abi "$1")"
117
118 archive_name="${hostarch}-gcc-${crosstool_version}-nolibc-${arch}-${abi}.tar.gz"
119 url="https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/${hostarch}/${crosstool_version}/${archive_name}"
120 archive="${download_location}${archive_name}"
121 stamp="${archive}.stamp"
122
123 [ -f "${stamp}" ] && return
124
125 echo "Downloading crosstools ${arch} ${crosstool_version}"
126 mkdir -p "${download_location}"
127 curl -o "${archive}" --fail --continue-at - "${url}"
128 tar -C "${download_location}" -xf "${archive}"
129 touch "${stamp}"
130 }
131
132 # capture command output, print it on failure
133 # mimics chronic(1) from moreutils
134 function swallow_output() {
135 if ! OUTPUT="$("$@" 2>&1)"; then
136 echo "$OUTPUT"
137 return 1
138 fi
139 return 0
140 }
141
142 test_arch() {
143 arch=$1
144 ct_arch=$(crosstool_arch "$arch")
145 ct_abi=$(crosstool_abi "$1")
146 cross_compile=$(realpath "${download_location}gcc-${crosstool_version}-nolibc/${ct_arch}-${ct_abi}/bin/${ct_arch}-${ct_abi}-")
147 build_dir="${build_location}/${arch}"
148 if [ "$werror" -ne 0 ]; then
149 CFLAGS_EXTRA="$CFLAGS_EXTRA -Werror"
150 fi
151 MAKE=(make -j"${nproc}" XARCH="${arch}" CROSS_COMPILE="${cross_compile}" LLVM="${llvm}" O="${build_dir}")
152
153 mkdir -p "$build_dir"
154 if [ "$test_mode" = "system" ] && [ ! -f "${build_dir}/.config" ]; then
155 swallow_output "${MAKE[@]}" defconfig
156 fi
157 case "$test_mode" in
158 'system')
159 test_target=run
160 ;;
161 'user')
162 test_target=run-user
163 ;;
164 *)
165 echo "Unknown mode $test_mode"
166 exit 1
167 esac
168 printf '%-15s' "$arch:"
169 swallow_output "${MAKE[@]}" CFLAGS_EXTRA="$CFLAGS_EXTRA" "$test_target" V=1
170 cp run.out run.out."${arch}"
171 "${MAKE[@]}" report | grep passed
172 }
173
174 if [ "$perform_download" -ne 0 ]; then
175 for arch in $archs; do
176 download_crosstool "$arch"
177 done
178 fi
179
180 for arch in $archs; do
181 test_arch "$arch"
182 done
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