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@@ -1,19 +1,10 @@
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#!/bin/sh
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-#
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-# Multi-language support postbuild script
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-# Description of proces:
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-# 0. remove output files
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-# 1. list symbol table of section '.text' from output elf file to text.sym (sorted by address)
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-# 2. list symbol table of section '.$PROGMEM' from all output object files to $PROGMEM.sym
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-# 3. filter only $PROGMEM symbols from text.sym and store it back to $PROGMEM.sym with absolute address
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-# 4. calculate start and stop address of section '.$PROGMEM'
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-# 5. extract string data from elf file to $PROGMEM.dat
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-# 6. prepare string data for character check and conversion (output to $PROGMEM.chr)
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-# 7. perform character check and conversion (output to $PROGMEM.var and $PROGMEM.txt)
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+# progmem.sh - multi-language support low-level script
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+# for examining content of progmem sections (default is progmem1)
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#
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# Input files:
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-# Firmware.ino.elf
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-# *.o (all object files)
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+# $OUTDIR/Firmware.ino.elf
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+# $OUTDIR/sketch/*.o (all object files)
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#
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# Output files:
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# text.sym
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@@ -34,11 +25,28 @@ OUTELF="$OUTDIR/Firmware.ino.elf"
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#
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# AVR gcc tools used:
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OBJDUMP=C:/arduino-1.6.8/hardware/tools/avr/bin/avr-objdump.exe
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-#READELF=C:/arduino-1.6.8/hardware/tools/avr/bin/avr-readelf.exe
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+#
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+#
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+# Description of process:
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+# 0. check input files
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+# 1. remove output files
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+# 2. list symbol table of section '.text' from output elf file to text.sym (sorted by address)
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+# 3. list symbol table of section '.$PROGMEM' from all output object files to $PROGMEM.sym
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+# 4. filter only $PROGMEM symbols from text.sym and store it back to $PROGMEM.sym with absolute address
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+# 5. calculate start and stop address of section '.$PROGMEM'
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+# 6. extract string data from elf file to $PROGMEM.dat
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+# 7. prepare string data for character check and conversion (output to $PROGMEM.chr)
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+# 8. perform character check and conversion (output to $PROGMEM.var and $PROGMEM.txt)
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+#
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+echo "progmem.sh started" >&2
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# (0)
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-echo "step 0 - removing output files"
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+echo " progmem.sh (0) - checking input files" >&2
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+if [ ! -e $OUTDIR ]; then echo "progmem.sh - file '$OUTELF' not found!" >&2; exit 1; fi
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+
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+# (1)
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+echo " progmem.sh (1) - removing output files" >&2
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#remove output files if exists
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if [ -e text.sym ]; then rm text.sym; fi
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if [ -e $PROGMEM.sym ]; then rm $PROGMEM.sym; fi
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@@ -49,21 +57,21 @@ if [ -e $PROGMEM.var ]; then rm $PROGMEM.var; fi
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if [ -e $PROGMEM.txt ]; then rm $PROGMEM.txt; fi
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# (1)
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-echo "step 1 - listing symbol table of section '.text'"
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+echo " progmem.sh (2) - listing symbol table of section '.text'" >&2
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#list symbols from section '.text' into file text.sym (only address, size and name)
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$OBJDUMP -t -j ".text" $OUTELF | tail -n +5 | grep -E "^[0-9a-f]{8} [gl] O" | cut -c1-9,28-36,37- | sed "/^$/d" | sort >> text.sym
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# (2)
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-echo "step 2 - listing symbol table of section '.$PROGMEM'"
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+echo " progmem.sh (3) - listing symbol table of section '.$PROGMEM'" >&2
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#loop over all object files
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ls "$OUTDIR"/sketch/*.o | while read fn; do
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- echo " processing $fn"
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+ echo " processing $fn" >&2
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#list symbols from section $PROGMEM (only address, size and name)
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- $OBJDUMP -t -j ".$PROGMEM" $fn | tail -n +5 | cut -c1-9,28-36,37- | sed "/^$/d" | sort >> $PROGMEM.sym
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-done 2>/dev/null
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+ $OBJDUMP -t -j ".$PROGMEM" $fn 2>/dev/null | tail -n +5 | cut -c1-9,28-36,37- | sed "/^$/d" | sort >> $PROGMEM.sym
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+done
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#exit
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# (3)
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-echo "step 3 - filtering $PROGMEM symbols"
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+echo " progmem.sh (4) - filtering $PROGMEM symbols" >&2
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#create list of $PROGMEM symbol names separated by '\|'
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progmem=$(cut -c19- $PROGMEM.sym)
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progmem=$(echo $progmem | sed "s/ /\\\b\\\|\\\b/g")
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@@ -72,16 +80,16 @@ progmem='\b'$progmem'\b'
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cat text.sym | grep $progmem > $PROGMEM.sym
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# (4)
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-echo "step 4 - calculating start and stop address"
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+echo " progmem.sh (5) - calculating start and stop address" >&2
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#calculate start addres of section ".$PROGMEM"
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PROGMEM_BEG=$(head -n1 $PROGMEM.sym | while read offs size name; do echo "0x"$offs; done)
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#calculate stop addres of section ".$PROGMEM"
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PROGMEM_END=$(tail -n1 $PROGMEM.sym | while read offs size name; do printf "0x%x" $(("0x"$offs + "0x"$size)); done)
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-echo " START address = "$PROGMEM_BEG
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-echo " STOP address = "$PROGMEM_END
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+echo " START address = "$PROGMEM_BEG >&2
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+echo " STOP address = "$PROGMEM_END >&2
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# (5)
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-echo "step 5 - extracting string data from elf"
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+echo " progmem.sh (6) - extracting string data from elf" >&2
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#dump $PROGMEM data in hex format, cut textual data (keep hex data only)
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$OBJDUMP -d -j ".text" -w -z --start-address=$PROGMEM_BEG --stop-address=$PROGMEM_END $OUTELF | cut -c1-57 > $PROGMEM.lss
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#convert $PROGMEM.lss to $PROGMEM.dat:
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@@ -94,7 +102,7 @@ cat $PROGMEM.lss | tail -n +7 | sed -E 's/^$/|/;s/^........:\t/ /;s/<//g;s/>:/ /
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tr -d '\n' | sed "s/[|]/\n/g" | grep $progmem > $PROGMEM.dat
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# (6)
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-echo "step 6 - preparing string data"
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+echo " progmem.sh (7) - preparing string data" >&2
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#convert $PROGMEM.dat to $PROGMEM.chr (prepare string data for character check and conversion)
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# replace first space with tab
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# replace second space with tab and space
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@@ -104,6 +112,7 @@ cat $PROGMEM.dat | sed 's/ /\t/;s/ /\t /;s/ /\\x/g;s/\t/ /g' > $PROGMEM.chr
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# (7)
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#convert $PROGMEM.chr to $PROGMEM.var (convert data to text)
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+echo " progmem.sh (8) - converting string data" >&2
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cat $PROGMEM.chr | \
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sed 's/ \\xff\\xff/ /;' | \
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sed 's/\\x22/\\\\\\x22/g;' | \
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@@ -113,4 +122,6 @@ cat $PROGMEM.chr | \
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sed 's/\\x00$/\\x0a/;s/^/printf "/;s/$/"/' | sh > $PROGMEM.var
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cat $PROGMEM.var | sed 's/\r/\n/g' |sed -E 's/^[0-9a-f]{8} [^ ]* //' >$PROGMEM.txt
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-read
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+echo "progmem.sh finished" >&2
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+
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+exit 0
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