Add script about parsing the variable which size is greater than [SIZE] from elf

diff --git a/tools/memory/g_var_profiler.sh b/tools/memory/g_var_profiler.sh
new file mode 100644 (file)
index 0000000..f791198
--- /dev/null
+++ b/tools/memory/g_var_profiler.sh
@@ -0,0 +1,77 @@
+#!/bin/bash
+###########################################################################
+#
+# Copyright 2017 Samsung Electronics All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+# either express or implied. See the License for the specific
+# language governing permissions and limitations under the License.
+#
+###########################################################################
+# File          : g_var_profiler.sh
+# Description : parse the global variable which size is greater than <SIZE>
+
+ref_size=$1
+path=$2
+output_file=$3
+WD=`pwd`
+prefix=`echo ${PWD%/*/*}`
+
+if [ "$1" == "--help" ]
+then
+       echo "Usage: $0 [SIZE] [ELF_PATH] [OUTPUT_FILENAME]"
+       echo "This script parses the global variable which size is greater than [SIZE]"
+       echo -e "\tIf no input params are specified, below is assumed"
+       echo -e "\tSIZE : 256"
+       echo -e "\tELF_PATH : ../../build/output/bin/tinyara"
+       echo -e "\tOUTPUT_FILENAME : var_list_over_SIZEbytes.txt"
+       echo "Output file info"
+       echo -e "\tSIZE : variable size(bytes)"
+       echo -e "\tTYPE : you can refer to this site <https://sourceware.org/binutils/docs/binutils/nm.html>"
+       exit
+fi
+
+if [ -z ${ref_size} ]
+then
+       ref_size=256
+fi
+
+if [ -z ${path} ]
+then
+       path="${WD}/../../build/output/bin/tinyara"
+fi
+
+if [ -z ${output_file} ]
+then
+       output_file="var_list_over_${ref_size}bytes.txt"
+fi
+
+temp_output_file="temp_var_list.txt"
+
+## find over-size global variables through nm
+nm -S --size-sort -l $path > $temp_output_file
+
+rm $output_file
+echo "SIZE(bytes)      TYPE    VARIABLE                PATH" >> $output_file
+echo "------------------------------------------------------------" >> $output_file
+while read line 
+do
+       IFS=' ' read -a array <<< $line
+       var_size=`echo $((16#${array[1]}))`
+       #Parse only type B, b, d, D, G, g, S, s
+       if [ ${array[2]} == "B" ] || [ ${array[2]} == "b" ] || [ ${array[2]} == "d" ] || [ ${array[2]} == "D" ] || [ ${array[2]} == "G" ] || [ ${array[2]} == "g" ] || [ ${array[2]} == "s" ] || [ ${array[2]} == "S" ] && [ $ref_size -le $var_size ]; then 
+               echo -e $var_size"\t\t"${array[2]}"\t"${array[3]}"\t\t"${array[4]#$prefix} >> $output_file
+       fi
+
+done < $temp_output_file
+rm $temp_output_file
+
+echo "Output file(${output_file}) is generated."