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47 lines
997 B
Bash
Executable File
47 lines
997 B
Bash
Executable File
#!/bin/sh
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usage() {
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echo "Usage: ${0##*/} DIR1 DIR2"
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echo
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echo "Compares all object files recursivelty found in DIR1 and DIR2."
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echo "Prints diff of their disassembly."
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echo
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exit $1
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}
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filter() {
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# sed removes " address: " prefixes which mess up diff
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sed $'s/^\\(\t*\\)[ ]*[0-9a-f][0-9a-f]*:[ \t]*/\\1/' \
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| sed 's/__GI_//g'
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}
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test -d "$1" || usage 1
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test -d "$2" || usage 1
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{
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(
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cd "$1" || exit 1
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find -name '*.o' # -o -name '*.os' # -o -name '*.so'
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)
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(
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cd "$2" || exit 1
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find -name '*.o' # -o -name '*.os' # -o -name '*.so'
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)
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} | sed 's:^\./::' | sort | uniq | \
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(
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while IFS='' read -r oname; do
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if ! test -f "$1/$oname"; then
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echo "Only $2/$oname"
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continue
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fi
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if ! test -f "$2/$oname"; then
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echo "Only $1/$oname"
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continue
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fi
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diff -q -- "$1/$oname" "$2/$oname" >/dev/null && continue
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(cd "$1"; objdump -dr "$oname" | filter >"$oname.disasm")
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(cd "$2"; objdump -dr "$oname" | filter >"$oname.disasm")
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diff -u -- "$1/$oname.disasm" "$2/$oname.disasm"
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done
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)
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