mirror of
https://github.com/kbeckmann/game-and-watch-retro-go.git
synced 2025-12-16 13:15:55 +01:00
46 lines
1.2 KiB
Bash
Executable File
46 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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# Usage: ./extflash_size.sh app.elf
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if [[ "${GCC_PATH}" != "" ]]; then
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DEFAULT_OBJDUMP=${GCC_PATH}/arm-none-eabi-objdump
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else
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DEFAULT_OBJDUMP=arm-none-eabi-objdump
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fi
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OBJDUMP=${OBJDUMP:-$DEFAULT_OBJDUMP}
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elf_file=$1
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function get_symbol {
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name=$1
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objdump_cmd="$OBJDUMP -t $elf_file"
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size=$($objdump_cmd | grep " $name" | cut -d " " -f1 | tr 'a-f' 'A-F')
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printf "$((16#${size}))\n"
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}
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function get_section_length {
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name=$1
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start=$(get_symbol "__${name}_start__")
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end=$(get_symbol "__${name}_end__")
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echo $(( $end - $start ))
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}
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function print_usage {
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symbol=$1
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length_symbol=$2
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usage=$(get_section_length $symbol)
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usagemb=$(printf "%.3f" "$(( ($usage * 1000000) / 1024 / 1024 ))e-6")
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length=$(get_symbol $length_symbol)
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lengthmb=$(printf "%.3f" "$(( ($length * 1000000) / 1024 / 1024 ))e-6")
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free=$(( $length - $usage ))
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freemb=$(printf "%.3f" "$(( ($free * 1000000) / 1024 / 1024 ))e-6")
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echo -e ""
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echo -e "External flash usage"
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printf " Capacity: %12d Bytes (%7.3f MB)\n" $length $lengthmb
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printf " Usage: %12d Bytes (%7.3f MB)\n" $usage $usagemb
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printf " Free: %12d Bytes (%7.3f MB)\n" $free $freemb
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echo -e ""
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}
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print_usage extflash __EXTFLASH_LENGTH__
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