51 lines
1.3 KiB
Bash
51 lines
1.3 KiB
Bash
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#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Simple script to disassemble a file .inc generated by
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# src/helper/bin2char.sh
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# Can be useful to check the correctness of the file .inc
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#
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# By default it decodes ARM thumb little-endian, e.g. cortex-m.
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# Set CROSS_COMPILE for other toolchains.
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# Set OBJDUMP_FLAGS for different objdump flags.
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#
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# Usage:
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# contrib/loaders/disassemble_inc.sh file.inc
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default_CROSS_COMPILE="arm-none-eabi-"
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default_OBJDUMP_FLAGS="-m arm -EL -M force-thumb"
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if [ $# != 1 -o ! -f "$1" ]; then
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echo "Usage:"
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echo " $0 path/to/file.inc"
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echo ""
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echo "Set CROSS_COMPILE and/or OBJDUMP_FLAGS to override current default:"
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echo " export CROSS_COMPILE=\"${default_CROSS_COMPILE}\""
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echo " export OBJDUMP_FLAGS=\"${default_OBJDUMP_FLAGS}\""
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exit 1
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fi
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if [ -z "${CROSS_COMPILE}" ]; then
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CROSS_COMPILE="${default_CROSS_COMPILE}"
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fi
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if [ -z "${OBJDUMP_FLAGS}" ]; then
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OBJDUMP_FLAGS="${default_OBJDUMP_FLAGS}"
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fi
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perl -v > /dev/null 2>&1
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if [ $? != 0 ]; then
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echo "Error: 'perl' interpreter not available."
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exit 1
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fi
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tmpfile=$(mktemp --suffix=.bin)
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echo "Disassemble $1:"
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echo "${CROSS_COMPILE}objdump ${OBJDUMP_FLAGS} -b binary -D ${tmpfile}"
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perl -e 'while (<>){while ($_=~/(0x..)/g){print chr(hex($1));}}' $1 > ${tmpfile}
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${CROSS_COMPILE}objdump ${OBJDUMP_FLAGS} -b binary -D ${tmpfile}
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rm ${tmpfile}
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