scripts: fix error from checkpatch.pl when no commits are found
[qemu/ar7.git] / linux-user / i386 / syscallhdr.sh
blobb2eca96db7e8424ffe1072ee90948c9c85cde2da
1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0
4 in="$1"
5 out="$2"
6 my_abis=`echo "($3)" | tr ',' '|'`
7 prefix="$4"
8 offset="$5"
10 fileguard=LINUX_USER_I386_`basename "$out" | sed \
11 -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
12 -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
13 grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
14 echo "#ifndef ${fileguard}"
15 echo "#define ${fileguard} 1"
16 echo ""
18 while read nr abi name entry ; do
19 if [ -z "$offset" ]; then
20 echo "#define TARGET_NR_${prefix}${name} $nr"
21 else
22 echo "#define TARGET_NR_${prefix}${name} ($offset + $nr)"
24 done
26 echo ""
27 echo "#endif /* ${fileguard} */"
28 ) > "$out"