116 lines
4.7 KiB
Bash
116 lines
4.7 KiB
Bash
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#!/bin/bash
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#
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# progmem.sh - multi-language support script
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# Examine content of progmem sections (default is progmem1).
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#
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# Input 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 - formated symbol listing of section '.text'
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# $PROGMEM.sym - formated symbol listing of section '.progmemX'
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# $PROGMEM.lss - disassembly listing file
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# $PROGMEM.hex - variables - hex
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# $PROGMEM.chr - variables - char escape
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# $PROGMEM.var - variables - strings
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# $PROGMEM.txt - text data only (not used)
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#
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#
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# Config:
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if [ -z "$CONFIG_OK" ]; then eval "$(cat config.sh)"; fi
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if [ -z "$OUTDIR" ]; then echo 'variable OUTDIR not set!' >&2; exit 1; fi
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if [ -z "$OBJDIR" ]; then echo 'variable OBJDIR not set!' >&2; exit 1; fi
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if [ -z "$INOELF" ]; then echo 'variable INOELF not set!' >&2; exit 1; fi
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if [ -z "$OBJDUMP" ]; then echo 'variable OBJDUMP not set!' >&2; exit 1; fi
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if [ -z "$CONFIG_OK" ] | [ $CONFIG_OK -eq 0 ]; then echo 'Config NG!' >&2; exit 1; fi
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#
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# Program memory used
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PROGMEM=progmem$1
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if [ -z "$1" ]; then PROGMEM=progmem1; fi
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#
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# Description of process:
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# 0. check input files
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# 1. remove output files
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# 2. list symbol table of section '.text' from output elf file to text.sym (sorted by address)
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# 3. calculate start and stop address of section '.$PROGMEM'
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# 4. extract string data from elf file to $PROGMEM.hex
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# 5. prepare string data for character check and conversion (output to $PROGMEM.chr)
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# 6. 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 " progmem.sh (0) - checking input files" >&2
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if [ ! -e $OUTDIR ]; then echo "progmem.sh - file '$INOELF' not found!" >&2; exit 1; fi
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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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if [ -e $PROGMEM.lss ]; then rm $PROGMEM.lss; fi
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if [ -e $PROGMEM.hex ]; then rm $PROGMEM.hex; fi
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if [ -e $PROGMEM.chr ]; then rm $PROGMEM.chr; fi
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if [ -e $PROGMEM.var ]; then rm $PROGMEM.var; fi
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if [ -e $PROGMEM.txt ]; then rm $PROGMEM.txt; fi
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# (2)
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echo " progmem.sh (2) - listing symbol table of section '.text'" >&2
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#list symbols from section '.text' into file text.sym (only address, size and name)
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#$OBJDUMP -t -j ".text" $INOELF | sort > text.sym
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$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
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# (3)
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echo " progmem.sh (3) - calculating start and end address" >&2
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#calculate start addres of section ".$PROGMEM"
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PROGMEM_BEG=$(cat text.sym | grep "__loc_pri_start" | 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=$(cat text.sym | grep "__loc_pri_end" | while read offs size name; do echo "0x"$offs; done)
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echo " START address = "$PROGMEM_BEG >&2
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echo " STOP address = "$PROGMEM_END >&2
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# (4)
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echo " progmem.sh (4) - extracting string data from elf" >&2
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#dump $PROGMEM data in hex format, cut disassembly (keep hex data only)
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$OBJDUMP -D -j ".text" -w -z --start-address=$PROGMEM_BEG --stop-address=$PROGMEM_END $INOELF |\
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tail -n +7 | sed "s/ \t.*$//" > $PROGMEM.lss
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#convert $PROGMEM.lss to $PROGMEM.hex:
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# replace empty lines with '|' (variables separated by empty lines)
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# remove address from multiline variables (keep address at first variable line only)
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# remove '<' and '>:', remove whitespace at end of lines
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# remove line-endings, replace separator with '\n' (join hex data lines - each line will contain single variable)
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cat $PROGMEM.lss | sed -E 's/^$/|/;s/^ ....:\t//;s/[ ]*$/ /' | tr -d '\n' | tr '|' '\n' |\
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sed "s/^ //;s/<//;s/>:/ /;s/00 [1-9a-f][1-9a-f] $/00 /; s/ $//" > $PROGMEM.hex
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# (5)
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echo " progmem.sh (5) - preparing string data" >&2
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#convert $PROGMEM.hex 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 and third space with tab and space
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# replace all remaining spaces with '\x'
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# replace all tabs with spaces
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cat $PROGMEM.hex | sed 's/ /\t/;s/ /\t /;s/ /\\x/g;s/\t/ /g' > $PROGMEM.chr
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# (6)
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#convert $PROGMEM.chr to $PROGMEM.var (convert data to text)
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echo " progmem.sh (6) - converting string data" >&2
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(\
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echo "/bin\/echo -e \\"; \
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cat $PROGMEM.chr | \
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sed 's/ \\xff\\xff/ /;' | \
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sed 's/\\x22/\\\\\\x22/g;' | \
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sed 's/\\x1b/\\\\\\x1b/g;' | \
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sed 's/\\x01/\\\\\\x01/g;' | \
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sed 's/\\xf8/\\\\\\xf8/g;' | \
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sed 's/\\x0a/\\\\\\x0a/g;' | \
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sed 's/\\x00$/\n/;s/^/\"/;s/$/\"\\/'; \
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) | sh > $PROGMEM.var
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#this step can be omitted because .txt file is not used
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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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echo "progmem.sh finished" >&2
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exit 0
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