LXR linux/arch/mips/kernel/syscalls/syscallhdr.sh

   1#!/bin/sh
   2# SPDX-License-Identifier: GPL-2.0
   3
   4in="$1"
   5out="$2"
   6my_abis=`echo "($3)" | tr ',' '|'`
   7prefix="$4"
   8offset="$5"
   9
  10fileguard=_UAPI_ASM_MIPS_`basename "$out" | sed \
  11        -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
  12        -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
  13grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
  14        printf "#ifndef %s\n" "${fileguard}"
  15        printf "#define %s\n" "${fileguard}"
  16        printf "\n"
  17
  18        nxt=0
  19        while read nr abi name entry compat ; do
  20                if [ -z "$offset" ]; then
  21                        printf "#define __NR_%s%s\t%s\n" \
  22                                "${prefix}" "${name}" "${nr}"
  23                else
  24                        printf "#define __NR_%s%s\t(%s + %s)\n" \
  25                                "${prefix}" "${name}" "${offset}" "${nr}"
  26                fi
  27                nxt=$((nr+1))
  28        done
  29
  30        printf "\n"
  31        printf "#ifdef __KERNEL__\n"
  32        printf "#define __NR_syscalls\t%s\n" "${nxt}"
  33        printf "#endif\n"
  34        printf "\n"
  35        printf "#endif /* %s */" "${fileguard}"
  36        printf "\n"
  37) > "$out"
  38