1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3in="$1" 4out="$2" 5align=1 6 7fileguard=_ASM_ARM_`basename "$out" | sed \ 8 -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \ 9 -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'` 10 11grep -E "^[0-9A-Fa-fXx]+[[:space:]]+" "$in" | sort -n | tail -n1 | ( 12 echo "#ifndef ${fileguard} 13#define ${fileguard} 1 14 15/* 16 * This needs to be greater than __NR_last_syscall+1 in order to account 17 * for the padding in the syscall table. 18 */ 19" 20 21 while read nr abi name entry; do 22 nr=$(($nr + 1)) 23 while [ "$(($nr / (256 * $align) ))" -gt 0 ]; do 24 align=$(( $align * 4 )) 25 done 26 nr=$(( ($nr + $align - 1) & ~($align - 1) )) 27 echo "/* aligned to $align */" 28 echo "#define __NR_syscalls $nr" 29 done 30 31 echo "" 32 echo "#endif /* ${fileguard} */" 33) > "$out" 34