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New lang, arduino 1.8.5 - progmem.sh reworked

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This commit is contained in:
Robert Pelnar 2018-10-18 13:05:44 +02:00
parent 41256ce017
commit 3834a06dc9
1 changed files with 28 additions and 45 deletions
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73
lang/progmem.sh
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@ -33,12 +33,10 @@ if [ -z "$1" ]; then PROGMEM=progmem1; fi
# 0. check input files
# 1. remove output files
# 2. list symbol table of section '.text' from output elf file to text.sym (sorted by address)
# 3. list symbol table of section '.$PROGMEM' from all output object files to $PROGMEM.sym
# 4. filter only $PROGMEM symbols from text.sym and store it back to $PROGMEM.sym with absolute address
# 5. calculate start and stop address of section '.$PROGMEM'
# 6. extract string data from elf file to $PROGMEM.hex
# 7. prepare string data for character check and conversion (output to $PROGMEM.chr)
# 8. perform character check and conversion (output to $PROGMEM.var and $PROGMEM.txt)
# 3. calculate start and stop address of section '.$PROGMEM'
# 4. extract string data from elf file to $PROGMEM.hex
# 5. prepare string data for character check and conversion (output to $PROGMEM.chr)
# 6. perform character check and conversion (output to $PROGMEM.var and $PROGMEM.txt)
#
echo "progmem.sh started" >&2
@ -61,71 +59,56 @@ if [ -e $PROGMEM.txt ]; then rm $PROGMEM.txt; fi
# (2)
echo " progmem.sh (2) - listing symbol table of section '.text'" >&2
#list symbols from section '.text' into file text.sym (only address, size and name)
$OBJDUMP -t -j ".text" $INOELF | tail -n +5 | grep -E "^[0-9a-f]{8} [gl] O" | cut -c1-9,28-36,37- | sed "/^$/d" | sort >> text.sym
#$OBJDUMP -t -j ".text" $INOELF | sort > text.sym
$OBJDUMP -t -j ".text" $INOELF | tail -n +5 | grep -E "^[0-9a-f]{8} [gl] [O ]" | cut -c1-9,28-36,37- | sed "/^$/d" | sort > text.sym
# (3)
echo " progmem.sh (3) - listing symbol table of section '.$PROGMEM'" >&2
#loop over all object files
ls "$OBJDIR"/*.o | while read fn; do
echo " processing $fn" >&2
#list symbols from section $PROGMEM (only address, size and name)
$OBJDUMP -t -j ".$PROGMEM" $fn 2>/dev/null | tail -n +5 | cut -c1-9,28-36,37- | sed "/^$/d" | sort >> $PROGMEM.sym
done
# (4)
echo " progmem.sh (4) - filtering $PROGMEM symbols" >&2
#create list of $PROGMEM symbol names separated by '\|'
progmem=$(cut -c19- $PROGMEM.sym)
progmem=$(echo $progmem | sed "s/ /\\\b\\\|\\\b/g")
progmem='\b'$progmem'\b'
#filter $PROGMEM symbols from section '.text' (result file will contain list sorted by absolute address)
cat text.sym | grep $progmem > $PROGMEM.sym
# (5)
echo " progmem.sh (5) - calculating start and stop address" >&2
echo " progmem.sh (3) - calculating start and end address" >&2
#calculate start addres of section ".$PROGMEM"
PROGMEM_BEG=$(head -n1 $PROGMEM.sym | while read offs size name; do echo "0x"$offs; done)
PROGMEM_BEG=$(cat text.sym | grep "__loc_pri_start" | while read offs size name; do echo "0x"$offs; done)
#calculate stop addres of section ".$PROGMEM"
PROGMEM_END=$(tail -n1 $PROGMEM.sym | while read offs size name; do printf "0x%x" $((0x$offs + 0x$size)); done)
PROGMEM_END=$(cat text.sym | grep "__loc_pri_end" | while read offs size name; do echo "0x"$offs; done)
echo " START address = "$PROGMEM_BEG >&2
echo " STOP address = "$PROGMEM_END >&2
# (6)
echo " progmem.sh (6) - extracting string data from elf" >&2
#dump $PROGMEM data in hex format, cut textual data (keep hex data only)
$OBJDUMP -d -j ".text" -w -z --start-address=$PROGMEM_BEG --stop-address=$PROGMEM_END $INOELF | cut -c1-57 > $PROGMEM.lss
# (4)
echo " progmem.sh (4) - extracting string data from elf" >&2
#dump $PROGMEM data in hex format, cut disassembly (keep hex data only)
$OBJDUMP -D -j ".text" -w -z --start-address=$PROGMEM_BEG --stop-address=$PROGMEM_END $INOELF |\
tail -n +7 | sed "s/ \t.*$//" > $PROGMEM.lss
#convert $PROGMEM.lss to $PROGMEM.hex:
# replace empty lines with '|' (variables separated by empty lines)
# remove address from multiline variables (keep address at first variable line only)
# remove '<' and '>:', remove whitespace at end of lines
# remove line-endings, replace separator with '\n' (join hex data lines - each line will contain single variable)
# filter progmem symbols
cat $PROGMEM.lss | tail -n +7 | sed -E 's/^$/|/;s/^........:\t/ /;s/<//g;s/>:/ /g;s/[ \t]*$//' |\
tr -d '\n' | sed "s/[|]/\n/g" | grep $progmem > $PROGMEM.hex
cat $PROGMEM.lss | sed -E 's/^$/|/;s/^ ....:\t//;s/[ ]*$/ /' | tr -d '\n' | tr '|' '\n' |\
sed "s/^ //;s/<//;s/>:/ /;s/00 [1-9a-f][1-9a-f] $/00 /; s/ $//" > $PROGMEM.hex
# (7)
echo " progmem.sh (7) - preparing string data" >&2
# (5)
echo " progmem.sh (5) - preparing string data" >&2
#convert $PROGMEM.hex to $PROGMEM.chr (prepare string data for character check and conversion)
# replace first space with tab
# replace second space with tab and space
# replace second and third space with tab and space
# replace all remaining spaces with '\x'
# replace all tabs with spaces
cat $PROGMEM.hex | sed 's/ /\t/;s/ /\t /;s/ /\\x/g;s/\t/ /g' > $PROGMEM.chr
cat $PROGMEM.hex | sed 's/ /\t/;s/ /\t /;s/ /\\x/g;s/\t/ /g' > $PROGMEM.chr
# (8)
#convert $PROGMEM.chr to $PROGMEM.var (convert data to text, TODO: rewrite as awk script)
echo " progmem.sh (8) - converting string data" >&2
# (6)
#convert $PROGMEM.chr to $PROGMEM.var (convert data to text)
echo " progmem.sh (6) - converting string data" >&2
(\
echo "/bin\/echo -e \\"; \
cat $PROGMEM.chr | \
sed 's/ \\xff\\xff/ /;' | \
sed 's/\\x22/\\\\\\x22/g;' | \
sed 's/\\x1b/\\\\\\x1b/g;' | \
sed 's/\\x01/\\\\\\x01/g;' | \
sed 's/\\xf8/\\\\\\xf8/g;' | \
sed 's/\\x00$//;s/^/\/bin\/echo -e "/;s/$/"/' | sh > $PROGMEM.var
sed 's/\\x00$/\n/;s/^/\"/;s/$/\"\\/'; \
) | sh > $PROGMEM.var
#this step can be omitted because .txt file is not used
#cat $PROGMEM.var | sed 's/\r/\n/g' | sed -E 's/^[0-9a-f]{8} [^ ]* //' >$PROGMEM.txt
cat $PROGMEM.var | sed 's/\r/\n/g' | sed -E 's/^[0-9a-f]{8} [^ ]* //' >$PROGMEM.txt
echo "progmem.sh finished" >&2