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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
in="$1"
out="$2"
my_abis=`echo "($3)" | tr ',' '|'`
align=1
fileguard=_ASM_ARM_`basename "$out" | sed \
-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
-e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | tail -n1 | (
echo "#ifndef ${fileguard}
#define ${fileguard} 1
/*
* This needs to be greater than __NR_last_syscall+1 in order to account
* for the padding in the syscall table.
*/
"
while read nr abi name entry; do
nr=$(($nr + 1))
while [ "$(($nr / (256 * $align) ))" -gt 0 ]; do
align=$(( $align * 4 ))
done
nr=$(( ($nr + $align - 1) & ~($align - 1) ))
echo "/* aligned to $align */"
echo "#define __NR_syscalls $nr"
done
echo ""
echo "#endif /* ${fileguard} */"
) > "$out"
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