diff options
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/check_clang.sh | 76 |
1 files changed, 72 insertions, 4 deletions
diff --git a/scripts/check_clang.sh b/scripts/check_clang.sh index c074a243..5bf902e3 100755 --- a/scripts/check_clang.sh +++ b/scripts/check_clang.sh @@ -17,7 +17,7 @@ # Builds the Arm ports with an LLVM based toolchain: every assembly source of # every Arm gnu port, and the common C sources for one core per architecture # profile. Compilation only, no linking, so no target C library is required -# beyond whatever the toolchain ships. +# profile, then links the example builds that have a script driver. # # scripts/check_clang.sh # clang from PATH # scripts/check_clang.sh --clang /path/to/clang @@ -25,7 +25,8 @@ # # Options: # --clang <path> Compiler to use; defaults to $CLANG then to clang. -# --asm-only Skip the C sources. +# --asm-only Skip the C sources and the example builds. +# --no-examples Skip the example builds. # --quiet Print only failures and the summary. # # Exit status is 0 when everything builds and 1 otherwise. @@ -45,12 +46,14 @@ cd "$(dirname "$(realpath "$0")")/.." CC="${CLANG:-clang}" asm_only=0 +no_examples=0 quiet=0 while [ "$#" -gt 0 ]; do case "$1" in --clang) [ "$#" -ge 2 ] || { echo "Error: --clang needs a path" >&2; exit 2; }; CC="$2"; shift 2 ;; - --asm-only) asm_only=1; shift ;; + --asm-only) asm_only=1; no_examples=1; shift ;; + --no-examples) no_examples=1; shift ;; --quiet) quiet=1; shift ;; -h|--help) sed -n '17,33p' "$0"; exit 0 ;; *) echo "Error: unknown option '$1'" >&2; exit 2 ;; @@ -67,8 +70,18 @@ if ! command -v "$CC" >/dev/null 2>&1 && [ ! -x "$CC" ]; then exit 1 fi +# Resolve to an absolute path. The example stage runs the build scripts from +# inside their own directories, so a relative compiler path would stop +# resolving there. +if [ -e "$CC" ]; then + CC="$(realpath "$CC")" +else + CC="$(command -v "$CC")" +fi + say "" -say "Using: $("$CC" --version | head -1)" +say "Using: $CC" +say " $("$CC" --version | head -1)" # Each port directory is mapped explicitly to a target triple and CPU. Do not # replace this with prefix matching: cortex_a5* also matches cortex_a53 and @@ -131,6 +144,24 @@ declare -A PORT_TARGET=( # port headers differ by profile rather than by core. C_CORES="cortex_m0 cortex_m4 cortex_m23 cortex_m33 cortex_m55 cortex_a7 cortex_a53 cortex_r5" +# Example builds that are not expected to link, with the reason. Listed +# explicitly rather than silently skipped, so the gaps stay visible. +# +# These fail with the GNU toolchain too, so they are not LLVM problems: +# cortex_m0 cortexm0_crt0.S references __text_load_start__, +# __text_start__ and __text_end__, which its linker +# script never defines. The Cortex-M4 script defines the +# equivalents, so this is a gap in that one example. +# arm9 arm11 need newlib multilib variants for those CPUs, which are +# cortex_r4 cortex_r5 not present in every GNU toolchain packaging. +# +# This one is specific to LLVM: +# cortex_a12 a15 a17 their link line omits -nostartfiles, so the toolchain's +# own crt0 is linked, and it needs picolibc's +# __data_start, __data_source, __data_size and __bss_size, +# which the example's linker script does not define. +EXAMPLES_EXPECTED_TO_FAIL="arm9 arm11 cortex_m0 cortex_r4 cortex_r5 cortex_a12 cortex_a15 cortex_a17" + failures=0 skipped="" @@ -194,6 +225,43 @@ if [ "$asm_only" -eq 0 ]; then done fi + +# -------------------------------------------------------------------------- +if [ "$no_examples" -eq 0 ]; then + say "" + say "== Example builds, linked with lld ==" + + example_ok=0 + example_total=0 + example_known="" + for dir in ports/*/gnu/example_build; do + [ -f "$dir/build_threadx.sh" ] && [ -f "$dir/build_threadx_sample.sh" ] || continue + core="$(echo "$dir" | cut -d/ -f2)" + case " $EXAMPLES_EXPECTED_TO_FAIL " in + *" $core "*) example_known="$example_known $core"; continue ;; + esac + example_total=$((example_total + 1)) + + rm -f "$dir"/*.o "$dir"/*.a "$dir"/*.out "$dir"/*.map 2>/dev/null || true + log="$(cd "$dir" && TOOLCHAIN=atfe ATFE_CLANG="$CC" ./build_threadx.sh 2>&1 && \ + TOOLCHAIN=atfe ATFE_CLANG="$CC" ./build_threadx_sample.sh 2>&1)" || true + + if [ -f "$dir/sample_threadx.out" ]; then + example_ok=$((example_ok + 1)) + else + fail "$core: example build produced no image" + # Not filtered on "error": a missing tool reports "command not + # found" or "Permission denied", and filtering hid exactly that. + echo "$log" | tail -6 | sed 's/^/ /' + failures=$((failures + 1)) + fi + rm -f "$dir"/*.o "$dir"/*.a "$dir"/*.out "$dir"/*.map 2>/dev/null || true + done + say " $example_ok of $example_total example builds linked" + if [ -n "$example_known" ]; then + say " known not to link, see the list at the top of this script:$example_known" + fi +fi # -------------------------------------------------------------------------- say "" if [ "$failures" -eq 0 ]; then |