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|
#!/bin/sh
if test "$#" -lt 1 || test "$#" -gt 2
then
echo "Usage: extract-syscall-ranges.sh FILENAME [abiname_regex]"
exit 1
fi
numbers_to_ranges()
{
if ! read number
then
printf '{}\n'
return
fi
low="$number"
high="$number"
while true
do
if read number
then
if test "$number" -eq "$((high + 1))"
then
high="$number"
else
break
fi
else
printf '{ {%d, %d} }\n' "$low" "$high"
return
fi
done
printf '{ {%d, %d}' "$low" "$high"
low="$number"
high="$number"
while true
do
if read number
then
if test "$number" -eq "$((high + 1))"
then
high="$number"
else
printf ', {%d, %d}' "$low" "$high"
low="$number"
high="$number"
fi
else
printf ', {%d, %d} }\n' "$low" "$high"
return
fi
done
}
if test "$#" -eq 2
then
abi_regex="$2"
getnumbers()
{
# delete comment lines and space-only lines
sed -e '/^[[:space:]]*#/d ; /^[[:space:]]*$/d' |
# filter to only include lines with target abi or "common"
grep -E "^[0-9]+[[:space:]]+(common|(${abi_regex}))[[:space:]]" |
# limit to only syscall number
sed -e 's/\([0-9]\+\).*/\1/g'
}
else
getnumbers()
{
# delete comment lines and space-only lines and limit to syscall number
sed -e '/^[[:space:]]*#/d ; /^[[:space:]]*$/d ; s/\([0-9]\+\).*/\1/g'
}
fi
getnumbers < "$1" |
sort -n |
uniq | # Yes, there are duplicate syscall entries...
numbers_to_ranges
|
