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October 22, 2019 10:30
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kcrctab from /dev/mem
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| offsets=($(egrep "__kcrctab" /proc/kallsyms | cut -d " " -f 1 | sort -u)); | |
| for ((i=0; i<$((${#offsets[@]}-1)); i++)); do | |
| start=$((0x${offsets[$i]})); | |
| stop=$((0x${offsets[(($i+1))]})); | |
| len=$(($stop-$start)); | |
| dd if=/dev/mem bs=${len} skip=${start} count=1 status=none; | |
| done | od --endian little -t x4 -w4 -A |
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| "${OBJCOPY}" -I binary -O elf32-littlearm --add-section '.modinfo'=<(sed -re "s/(vermagic=)[^\0]*/\1$(modinfo -F vermagic "${KNOWNGOOD}")/" <("${OBJCOPY}" -j '.modinfo' -I elf32-littlearm -O binary "${FIXUP}" /dev/stdout)) "${FIXUP}" |
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