sof/scripts/scan/clang-scan-build-xtensa.sh

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#!/bin/bash
# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2020 Intel Corporation. All rights reserved.
# Author: Janusz Jankowski <janusz.jankowski@linux.intel.com>
# This script configures & performs build for clang's static analyzer.
set -eu
function usage {
echo "Usage: $0 -t <toolchain> -c <config> -r <root_dir> [options]"
echo " -t Toolchain's name."
echo " -c Name of defconfig."
echo " -r Xtensa root dir."
echo " [-j n] Set number of make build jobs."
echo " [-v] Verbose output."
echo "Examples:"
echo " $0 -t xt -c apollolake \\"
echo " -r \$CONFIG_PATH/xtensa-elf"
echo " $0 -t xtensa-cnl-elf -c cannonlake \\"
echo " -r \`pwd\`/../xtensa-cnl-elf"
}
if [ "$#" -eq 0 ]
then
usage
exit 1
fi
TOOLCHAIN=""
DEFCONFIG=""
ROOT_DIR=""
JOBS=$(nproc --all)
VERBOSE_CMAKE=OFF
VERBOSE_SCAN_BUILD=""
while getopts "t:c:r:j:v" OPTION; do
case $OPTION in
t)
TOOLCHAIN=$OPTARG
;;
c)
DEFCONFIG=$OPTARG
;;
r)
ROOT_DIR=$OPTARG
;;
j)
JOBS=$OPTARG
;;
v)
VERBOSE_CMAKE=ON
VERBOSE_SCAN_BUILD="-v -v"
;;
*)
echo "Invalid options"
usage
exit 1
;;
esac
done
WORKDIR=`pwd`
SCRIPT_DIR=$(realpath $(dirname $0))
PROXY_COMPILER=$SCRIPT_DIR/proxy-gcc.sh
BUILD_DIR=build_clang_scan_${DEFCONFIG}_${TOOLCHAIN}
rm -fr $BUILD_DIR
mkdir $BUILD_DIR
cd $BUILD_DIR
scan-build $VERBOSE_SCAN_BUILD cmake \
-DBUILD_CLANG_SCAN=ON \
-DTOOLCHAIN=$TOOLCHAIN \
-DROOT_DIR=$ROOT_DIR \
-DCMAKE_VERBOSE_MAKEFILE=$VERBOSE_CMAKE \
..
make ${DEFCONFIG}_defconfig
if [[ "$TOOLCHAIN" == "xt" ]]
then
COMPILER=$TOOLCHAIN-xcc
else
COMPILER=$TOOLCHAIN-gcc
fi
# There are flags that are needed by clang but don't work for xtensa compiler.
# However clang tries to pass all flags to original compiler, so we need to put
# proxy compiler in the middle that is going to filter out unsupported flags.
PROXY_CC=$COMPILER PROXY_REMOVE_FLAGS=-m32 \
scan-build $VERBOSE_SCAN_BUILD --use-cc="$PROXY_COMPILER" -o report \
make sof -j$JOBS
cd "$WORKDIR"