1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3in="$1" 4out="$2" 5my_abis=`echo "($3)" | tr ',' '|'` 6align=1 7 8fileguard=_ASM_ARM_`basename "$out" | sed \ 9 -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \ 10 -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'` 11 12grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | tail -n1 | ( 13 echo "#ifndef ${fileguard} 14#define ${fileguard} 1 15 16/* 17 * This needs to be greater than __NR_last_syscall+1 in order to account 18 * for the padding in the syscall table. 19 */ 20" 21 22 while read nr abi name entry; do 23 nr=$(($nr + 1)) 24 while [ "$(($nr / (256 * $align) ))" -gt 0 ]; do 25 align=$(( $align * 4 )) 26 done 27 nr=$(( ($nr + $align - 1) & ~($align - 1) )) 28 echo "/* aligned to $align */" 29 echo "#define __NR_syscalls $nr" 30 done 31 32 echo "" 33 echo "#endif /* ${fileguard} */" 34) > "$out" 35