dwarves/ctfdwdiff

58 lines
1.0 KiB
Bash
Executable File

#!/bin/bash
results_dir=/tmp/ctfdwdiff
diff_tool() {
local tool=$1
local dwarf_options=$2
local ctf_options=$3
local obj=$4
diff=$results_dir/$obj.$tool.diff
ctf=$results_dir/$obj.$tool.ctf.c
dwarf=$results_dir/$obj.$tool.dwarf.c
$tool -F ctf $ctf_options $obj > $ctf
$tool -F dwarf $dwarf_options $obj > $dwarf
diff -up $dwarf $ctf > $diff
if [ -s $diff ] ; then
[ $# -gt 4 ] && vim $diff
exit 0
else
rm -f $diff $ctf $dwarf
fi
}
diff_one() {
local obj=$1
diff_tool "pahole" "--flat_arrays --show_private_classes --fixup_silly_bitfields" " " $obj $2
diff_tool "pfunct" "-V --no_parm_names" "-V" $obj $2
}
diff_dir() {
find . -type d | \
while read dir ; do
cd $dir
ls *.o 2> /dev/null |
while read obj ; do
ncus=$(readelf -wi $obj | grep DW_TAG_compile_unit | wc -l)
if [ $ncus -ne 1 ] ; then
continue
fi
echo $obj
pahole -Z $obj
diff_one $obj $1
done
cd - > /dev/null
done
}
rm -rf $results_dir
mkdir $results_dir
if [ $# -lt 2 ] ; then
diff_dir
else
diff_one $*
fi