[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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