[PATCH] Bash script to review BSP File Organization

Vipul Nayyar nayyar_vipul at yahoo.com
Sat Sep 14 20:01:58 UTC 2013


---
 merge-helpers/review_bsp_files | 465 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 465 insertions(+)
 create mode 100755 merge-helpers/review_bsp_files

diff --git a/merge-helpers/review_bsp_files b/merge-helpers/review_bsp_files
new file mode 100755
index 0000000..422d256
--- /dev/null
+++ b/merge-helpers/review_bsp_files
@@ -0,0 +1,465 @@
+#! /bin/bash
+
+# Bash Script to find discrepancies in BSP file organization
+# Author : Vipul Nayyar <nayyar_vipul at yahoo.com>
+
+
+filename="0"
+# Passing --verbose turns verbose to 1 & gives the whole story, otherwise '0' to give only important stuff.
+verbose="0"
+faults="0"
+# Passing --warnings turns warnings to 1 & gives all the critical & non-critical bsp file org. problems.
+warnings="0"
+flag="0"
+
+calling_path=`pwd`
+path=""
+
+important="1"
+rtems_internal=""
+internal_done="0"
+
+
+# Finds all rtems internal functions ( name starting with '_' & type specifier)
+# that are defined in cpukit & libcpu
+function find_rtems_internal(){
+	if [[ $internal_done == "1" ]]; then
+		return
+	fi
+	echo "Compiling list of RTEMS Internal functions ..."
+	internal_files=""
+
+	for k in `find -name *.c`
+	do
+		for j in `grep -oE "[a-z|A-Z|0-9|_]+[\ |^][_]+[a-z|A-Z|0-9|_]*[\ ]*\(" $k`
+		do
+			if [[ $j == "_"* ]]; then
+				j=${j%%\(}
+				internal_files="$j $internal_files"
+			fi
+
+		done
+	done
+
+	for k in `find ../c/src/lib/libcpu/ -name *.c`
+	do
+		for j in `grep -oE "[a-z|A-Z|0-9|_]+[\ |^][_]+[a-z|A-Z|0-9|_]*[\ ]*\(" $k`
+		do
+			if [[ $j == "_"* ]]; then
+				j=${j%%\(}
+				internal_files="$j $internal_files"
+			fi
+
+		done
+	done
+
+	for k in $internal_files
+	do
+		if echo $rtems_internal |grep -q $k ; then
+			echo > /dev/null
+		else
+			rtems_internal="$k $rtems_internal"
+		fi
+	done
+
+	internal_done="1"
+}
+
+# Finds all internal functions common in bsp and (cpukit + libcpu)
+function find_bsp_internal(){
+	bsp_methods=""
+	common_internal_methods=""
+
+# Searching for internal functions starting with '_' called(i.e ending with a ';')
+	for i in `find -name *.c`
+	do
+		file_contents=`tr -d '\n' < $i | grep -oE "[ |^][_]+[a-z|A-Z|0-9|_]*[ ]*[\n]*\([^;]*\)[ ]*;" | tr -d '\n' `
+
+		for j in `echo "$file_contents" | grep -oE "[_]+[a-z|A-Z|0-9|_]*[ ]*\("`
+		do
+			if `echo "$bsp_methods" |grep -q "${j%%\(}"` ; then
+				echo > /dev/null
+			else
+				bsp_methods="${j%%\(} $bsp_methods"
+			fi
+		done
+	done
+
+# Identifying common fucntions between $rtems_interval & $bsp_methods
+	for i in $rtems_internal
+	do
+		if [[ $i == "__asm__" || $i == "__attribute__" || $i == "__volatile__" || $i == "__"* ]];then
+			continue
+		fi
+		for j in $bsp_methods
+		do
+			if [[ $i == $j ]]; then
+				common_internal_methods="$j $common_internal_methods"
+			fi
+		done
+	done
+
+	if [[ $common_internal_methods != "" ]]; then
+		echo -e "$bsp : RTEMS Internal functions used : \c"
+		for i in $common_internal_methods
+		do
+			echo -e "${i}() \c"
+		done
+		flag="1"
+	fi
+}
+
+
+# Passing 1 initially to any check function states that the file/method/header
+# being checked is of critical nature
+function check_file(){
+	filename="0"
+	if [[ $1 == 1 ]]; then
+		important="1"
+		shift
+	else
+		important="0"
+	fi
+
+#Grabbing the path of file being evaluated from Makefile.am
+	if grep -wqE "[ ]*[^\ ]*/($1)" Makefile.am ; then
+		file_path=`grep -woE "[ ]*[^\ ]*/($1)" Makefile.am | head --lines=1`
+		cd `dirname $file_path`
+		filename=$1
+		file_path=`pwd`
+
+		cd - > /dev/null
+		shift
+
+# Checking if file lies in correct directory path
+		for i in $*
+		do
+			if [[ -d $i ]]; then
+				cd $i
+			else
+				continue
+			fi
+
+
+			if [[ "$file_path" == `pwd` ]]; then
+				filename="$file_path/$filename"
+				cd - >/dev/null
+				return
+			fi
+			cd - > /dev/null
+		done
+		echo "$bsp : $filename not present in correct path"
+		filename="$file_path/$filename"
+		return
+	else
+		if [[ $warnings -eq "1" || $important -eq "1" || $verbose -eq "1" ]]; then
+			flag="1"
+			echo "$bsp : $1 not compiled"
+		fi
+	fi
+
+	filename="0"
+	faults="1"
+	return
+}
+
+# Checking presence of functions in specific files
+function check_methods(){
+	if [[ $1 == 1 ]]; then
+		important="1"
+		shift
+	else
+		important="0"
+	fi
+
+	for i in $*
+	do
+
+# When correct file for this function does not exist
+		if [[ $filename == "0" ]];then
+			if grep -rqlE "[a-z|A-Z|0-9|_]+[ ]*$i[ ]*\(" * ;then
+			   if [[ $warnings -eq "1" || $important -eq "1" || $verbose -eq "1" ]];then
+			   	echo $bsp : ${i%(*}"()" present in file `grep -rlE "[a-z|A-Z|0-9|_]+[ ]*$i[ ]*\(" *`
+			   fi
+			fi
+		else
+
+# When correct file for this function exists
+			if grep -Eq "[a-z|A-Z|0-9|_]+[ ]*$i[ ]*\(" $filename ; then
+				if [[ $verbose -eq "1" ]] ;then
+					echo "$bsp : `basename $filename` : ${i%(*}() present in file"
+				fi
+			else
+				if grep -rqlE "[a-z|A-Z|0-9|_]+[ ]*$i[ ]*\(" * ;then
+				   if [[ $warnings -eq "1" || $important -eq "1" || $verbose -eq "1" ]];then
+				   	echo $bsp : ${i%(*}"()" present in file `grep -rlE "[a-z|A-Z|0-9|_]+[ ]*$i[ ]*\(" *`
+				   fi
+				else
+					if [[ $warnings -eq "1" || $important -eq "1" || $verbose -eq "1" ]]; then
+						echo "$bsp : `basename $filename` : ${i%(*}() function does not exist in $filename "
+						flag="1"
+					fi
+						faults="1"
+				fi
+			fi
+
+		fi
+	done
+}
+
+# Checking presence of headers installed by bsp
+function check_header(){
+	if [[ $1 == 1 ]]; then
+		important="1"
+		shift
+	else
+		important="0"
+	fi
+
+	for i in $*
+	do
+		if  grep -wq "$i" Makefile.am ;then
+			if [[ ! -f "$i" && ! -f "${i}.in" ]] ;then
+				continue
+			fi
+			if [[ $verbose -eq "1" ]] ;then
+				cd `dirname $i`
+				echo "$bsp : `basename $i` installed from directory" ${PWD##*/c/src/lib/}
+				cd - > /dev/null
+			fi
+			return
+		fi
+	done
+
+	if [[ $warnings -eq "1" || $important -eq "1" || $verbose -eq "1" ]]; then
+		echo "${bsp%%[\ ]*} : `basename $1` not installed "
+		flag="1"
+	fi
+	filename="0"
+	faults="1"
+	return
+
+}
+
+# Reviewing for a BSP Starts
+function main(){
+
+	flag="0"
+
+	check_file 1 start.S ../shared/start/ start/
+	if [[ $filename != "0" ]];then
+		if grep -wq "start" "$filename" || grep -wq "_start" "$filename"; then
+			if [[ $verbose -eq "1" ]] ;then
+				echo "$bsp : `basename $filename` start() present in $filename"
+			fi
+		else
+			echo "$bsp : `basename $filename` start() does not exist in start.S"
+		fi
+	fi
+
+	check_file 1 bspstart.c ../../shared/ ../shared/ startup/
+	check_methods "bsp_start"
+
+	check_file 1 bspreset.c ../../shared/ ../shared/ startup/
+	check_methods 1 "bsp_reset"
+
+
+	check_file 1 bootcard.c ../../shared/
+	check_header ../../shared/include/bootcard.h
+
+	check_file 1 bspclean.c ../../shared/ startup/
+	check_methods "bsp_fatal_extension"
+
+	check_file 1 bspgetworkarea.c ../../shared/ ../../shared/startup ../shared/ ../shared/startup/ startup/
+	check_methods 1 "bsp_work_area_initialize"
+
+
+	check_file 1 bsplibc.c ../../shared/
+	check_methods "bsp_libc_init"
+
+	check_file 1 bsppost.c ../../shared/
+	check_methods "bsp_postdriver_hook"
+
+	check_file 1 bsppredriverhook.c ../../shared/ ../shared/startup/ startup/
+	check_methods "bsp_predriver_hook"
+
+
+	check_file gnatinstallhandler.c ../../shared/
+
+	check_file sbrk.c ../../shared/ ../../shared/ startup/
+	check_methods "sbrk"
+
+
+	check_file stackalloc.c ../../shared/src/
+	check_methods "bsp_stack_allocate_init" "bsp_stack_allocate" "bsp_stack_free"
+
+	check_header ../../shared/include/stackalloc.h
+
+	# Interrupt Files
+	check_file 1 irq.c irq/
+	check_methods "bsp_interrupt_vector_enable" "bsp_interrupt_vector_disable" "bsp_interrupt_facility_initialize" "bsp_interrupt_dispatch"
+	check_header 1 include/irq.h
+
+	# PIC Support
+
+	check_file irq-default-handler.c ../../shared/src/
+
+	check_file 1 irq-generic.c ../../shared/src/
+	check_header 1 ../../shared/include/irq-generic.h
+
+	check_file irq-info.c ../../shared/src/
+	check_header ../../shared/include/irq-info.h
+
+	check_file irq-legacy.c ../../shared/src/
+	check_file irq-server.c ../../shared/src/
+	check_file irq-shell.c ../../shared/src/
+
+	# Real Time Clock
+	check_file rtc-config.c rtc/
+	check_methods "bsp_rtc_initialize" "bsp_rtc_get_time" "bsp_rtc_set_time" "bsp_rtc_probe"
+
+
+	check_file 1 tod.c ../../shared/ tod/
+
+	# Benchmark Timers
+	check_file benchmark_timer.c benchmark_timer/
+	check_methods "benchmark_timer_initialize" "benchmark_timer_read" "benchmark_timer_disable_subtracting_average_overhead"
+
+
+	# Standard Headers
+
+	check_header 1 include/bsp.h
+	check_header include/bspopts.h
+	check_header 1 ../../shared/include/coverhd.h include/coverhd.h
+	check_header ../../shared/include/utility.h
+	check_header 1 ../../shared/include/tm27.h include/tm27.h
+
+	# Finding all internal functions being used in a bsp
+	find_bsp_internal
+
+	if [[ $flag == "1" ]]; then
+		echo -e "\n"
+	fi
+}
+
+# Verifying if the directory given or pwd is a valid bsp, shared architecture, or libbsp directory
+function check_given_dir(){
+	if echo $cur_dir | grep -Eq "c/src/lib/libbsp/([^/]+)/([^/]+)/([^/]+)*" ; then
+		return 0
+
+	elif echo $cur_dir | grep -Eq "c/src/lib/libbsp/([^/]+)/([^/]+)" ; then
+# BSP given
+		cd ../../../../../../cpukit
+		find_rtems_internal
+
+		cd - > /dev/null
+		bsp=${cur_dir##*/}
+
+		if [[ $bsp == "shared" || $bsp == "autom4te.cache" || $bsp == "no_bsp" ]]; then
+			return 0
+		else
+			main
+		fi
+	elif echo $cur_dir | grep -Eq "c/src/lib/libbsp/([^/]+)" ; then
+# Shared architecture given
+		for i in *
+		do
+			if [[ -d $i ]]; then
+				if [[ $i == "shared" || $i == "autom4te.cache" || $i == "no_bsp" ]]; then
+					echo -n
+				else
+					cd ../../../../../cpukit
+					find_rtems_internal
+					cd - > /dev/null
+					bsp=$i
+
+					cd $bsp
+					main
+					cd .. > /dev/null
+				fi
+			fi
+		done
+	elif echo $cur_dir | grep -Eq "c/src/lib/libbsp" ; then
+# libbsp given
+		for i in */*/Makefile.am
+		do
+			i=`dirname $i`
+			if [[ -d $i ]]; then
+				if [[ $i == "shared" || $i == "autom4te.cache" || $i == "no_cpu/no_bsp" ]]; then
+					echo -n
+				else
+					cd ../../../../cpukit
+					find_rtems_internal
+					cd - > /dev/null
+					bsp=$i
+
+					cd $bsp
+					main
+					cd ../../ > /dev/null
+				fi
+			fi
+		done
+
+	else
+		return 0
+	fi
+}
+
+# Evaluating Command Line Arguments
+function start(){
+
+	for i in $*
+	do
+		case $i in
+			"--verbose") verbose="1" # The whole story
+			;;
+
+			"--warnings") warnings="1" # All warnings
+						  verbose="0"
+			;;
+
+			"--help") echo "Help to be provided"
+			;;
+
+			*) path="$path $i"  ;; # If not above options, then assumed to be a path for bsp
+		esac
+	done
+
+# No path given, search for bsp from pwd
+	if [[ -z $path ]];then
+		path=$PWD
+		cur_dir=`pwd`
+		check_given_dir
+		if [[ $? -eq 1 ]];then
+			echo "Current directory does not seem a valid RTEMS directory"
+		fi
+
+	else
+		for i in $path
+		do
+			if [[ -d $i ]]; then
+				echo > /dev/null
+			else
+				echo "$i is an invalid directory."
+				continue
+			fi
+
+			cd $i
+			cur_dir=`pwd`
+			check_given_dir
+			if [[ $? -eq 1 ]];then
+				echo "$i does not seem a valid RTEMS directory"
+			fi
+			cd $calling_path
+
+		done
+	fi
+}
+
+# Let the Game begin !!
+start $*
+
+# End of Checks
+if [[ $faults -eq "0" ]] ; then
+	echo -e "\nNo faults found in BSP organization"
+fi
-- 
1.7.11.7




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