smatch_scripts/test_kernel.sh

   1 #!/bin/bash
   2
   3 NR_CPU=$(cat /proc/cpuinfo | grep ^processor | wc -l)
   4 TARGET="bzImage modules"
   5 WLOG="smatch_warns.txt"
   6 LOG="smatch_compile.warns"
   7 function 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
  21 while 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 [[ "$1" == "--help" ]] ; then
  38         usage
  39     else
  40             break
  41     fi
  42 done
  43
  44 # receive parameters from environment, which override
  45 [ -z "${SMATCH_ENV_TARGET:-}" ] || TARGET="$SMATCH_ENV_TARGET"
  46 [ -z "${SMATCH_ENV_BUILD_PARAM:-}" ] || BUILD_PARAM="$SMATCH_ENV_BUILD_PARAM"
  47
  48 SCRIPT_DIR=$(dirname $0)
  49 if [ -e $SCRIPT_DIR/../smatch ] ; then
  50     cp $SCRIPT_DIR/../smatch $SCRIPT_DIR/../bak.smatch
  51     CMD=$SCRIPT_DIR/../bak.smatch
  52 elif which smatch | grep smatch > /dev/null ; then
  53     CMD=smatch
  54 else
  55     echo "Smatch binary not found."
  56     exit 1
  57 fi
  58
  59 if [[ ! -z $ARCH ]]; then
  60         KERNEL_ARCH="ARCH=$ARCH"
  61 fi
  62 if [[ ! -z $CROSS_COMPILE ]] ; then
  63         KERNEL_CROSS_COMPILE="CROSS_COMPILE=$CROSS_COMPILE"
  64 fi
  65
  66 make $KERNEL_ARCH $KERNEL_CROSS_COMPILE clean
  67 find -name \*.c.smatch -exec rm \{\} \;
  68 make $KERNEL_ARCH $KERNEL_CROSS_COMPILE -j${NR_CPU} $ENDIAN -k CHECK="$CMD -p=kernel --file-output --succeed $*" \
  69         C=1 $BUILD_PARAM $TARGET 2>&1 | tee $LOG
  70 BUILD_STATUS=${PIPESTATUS[0]}
  71 find -name \*.c.smatch -exec cat \{\} \; -exec rm \{\} \; > $WLOG
  72 find -name \*.c.smatch.sql -exec cat \{\} \; -exec rm \{\} \; > $WLOG.sql
  73 find -name \*.c.smatch.caller_info -exec cat \{\} \; -exec rm \{\} \; > $WLOG.caller_info
  74
  75 echo "Done. Build with status $BUILD_STATUS. The warnings are saved to $WLOG"
  76 exit $BUILD_STATUS