1#!/bin/bash 2 3NR_CPU=$(cat /proc/cpuinfo | grep ^processor | wc -l) 4TARGET="bzImage modules" 5WLOG="smatch_warns.txt" 6LOG="smatch_compile.warns" 7function usage { 8 echo 9 echo "Usage: $0 [smatch options]" 10 echo "Compiles the kernel with -j${NR_CPU}" 11 echo " available options:" 12 echo " --endian : enable endianess check" 13 echo " --target {TARGET} : specify build target, default: $TARGET" 14 echo " --log {FILE} : Output compile log to file, default is: $LOG" 15 echo " --wlog {FILE} : Output warnigs to file, default is: $WLOG" 16 echo " --help : Show this usage" 17 exit 1 18} 19 20 21while true ; do 22 if [[ "$1" == "--endian" ]] ; then 23 ENDIAN="CF=-D__CHECK_ENDIAN__" 24 shift 25 elif [[ "$1" == "--target" ]] ; then 26 shift 27 TARGET="$1" 28 shift 29 elif [[ "$1" == "--log" ]] ; then 30 shift 31 LOG="$1" 32 shift 33 elif [[ "$1" == "--wlog" ]] ; then 34 shift 35 WLOG="$1" 36 shift 37 elif [[ "$1" == "--help" ]] ; then 38 usage 39 else 40 break 41 fi 42done 43 44SCRIPT_DIR=$(dirname $0) 45if [ -e $SCRIPT_DIR/../smatch ] ; then 46 cp $SCRIPT_DIR/../smatch $SCRIPT_DIR/../bak.smatch 47 CMD=$SCRIPT_DIR/../bak.smatch 48elif which smatch | grep smatch > /dev/null ; then 49 CMD=smatch 50else 51 echo "Smatch binary not found." 52 exit 1 53fi 54 55make clean 56find -name \*.c.smatch -exec rm \{\} \; 57make -j${NR_CPU} $ENDIAN -k CHECK="$CMD -p=kernel --file-output --succeed $*" \ 58 C=1 $TARGET 2>&1 | tee $LOG 59find -name \*.c.smatch -exec cat \{\} \; -exec rm \{\} \; > $WLOG 60find -name \*.c.smatch.sql -exec cat \{\} \; -exec rm \{\} \; > $WLOG.sql 61find -name \*.c.smatch.caller_info -exec cat \{\} \; -exec rm \{\} \; > $WLOG.caller_info 62 63echo "Done. The warnings are saved to $WLOG" 64