arch/arm/tools/syscallhdr.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 in="$1"
   5 out="$2"
   6 my_abis=`echo "($3)" | tr ',' '|'`
   7 prefix="$4"
   8 offset="$5"
   9
  10 fileguard=_ASM_ARM_`basename "$out" | sed \
  11     -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
  12     -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
  13 if echo $out | grep -q uapi; then
  14     fileguard="_UAPI$fileguard"
  15 fi
  16 grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
  17     echo "#ifndef ${fileguard}"
  18     echo "#define ${fileguard} 1"
  19     echo ""
  20
  21     while read nr abi name entry ; do
  22         if [ -z "$offset" ]; then
  23             echo "#define __NR_${prefix}${name} $nr"
  24         else
  25             echo "#define __NR_${prefix}${name} ($offset + $nr)"
  26         fi
  27     done
  28
  29     echo ""
  30     echo "#endif /* ${fileguard} */"
  31 ) > "$out"