HatariWii/tools/debugger/nm-symbols-cleanup.sh
2018-05-25 20:45:09 +02:00

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#!/bin/sh
#
# script to cleanup 'nm' output for Hatari debugger.
#
# 2013 (C) Eero Tamminen, licenced under GPL v2+
usage ()
{
name=${0##*/}
echo
echo "Usage: $name <nm output file>"
echo
echo "Clean up from 'nm' symbol adddress output"
echo "symbols that aren't useful with Hatari debugger"
echo "e.g. because those (non-interesting) symbols"
echo "are bound to multiple addresses:"
echo "- GCC (2.x) internal symbols"
echo "- Repeating local symbol names ('.L<number>')"
echo "- Assignments / defines which aren't addresses"
echo "- Weak symbols that are just aliases for other symbols"
echo "Paths are also remove from object file names."
echo
echo "For example:"
echo " $name foobar.nm > foobar.sym"
echo
echo "ERROR: $1!"
echo
exit 1
}
if [ $# -ne 1 ]; then
usage "incorrect number of arguments"
fi
if [ \! -f $1 ]; then
usage "given '$1' nm output file not found"
fi
# clean symbol cruft & sort by hex address
cat $1 | grep -v -e ' [aAwW] ' -e ' t \.L' -e gcc2_compiled -e _gnu_compiled_c | sed 's%/.*/%%' | sort