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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
in="$1"
out="$2"
syscall_macro() {
local abi="$1"
local nr="$2"
local entry="$3"
echo "__SYSCALL_${abi}($nr, $entry)"
}
emit() {
local abi="$1"
local nr="$2"
local entry="$3"
local compat="$4"
local umlentry=""
if [ "$abi" != "I386" -a -n "$compat" ]; then
echo "a compat entry ($abi: $compat) for a 64-bit syscall makes no sense" >&2
exit 1
fi
# For CONFIG_UML, we need to strip the __x64_sys prefix
if [ "${entry}" != "${entry#__x64_sys}" ]; then
umlentry="sys${entry#__x64_sys}"
fi
if [ -z "$compat" ]; then
if [ -n "$entry" -a -z "$umlentry" ]; then
syscall_macro "$abi" "$nr" "$entry"
elif [ -n "$umlentry" ]; then # implies -n "$entry"
echo "#ifdef CONFIG_X86"
syscall_macro "$abi" "$nr" "$entry"
echo "#else /* CONFIG_UML */"
syscall_macro "$abi" "$nr" "$umlentry"
echo "#endif"
fi
else
echo "#ifdef CONFIG_X86_32"
if [ -n "$entry" ]; then
syscall_macro "$abi" "$nr" "$entry"
fi
echo "#else"
syscall_macro "$abi" "$nr" "$compat"
echo "#endif"
fi
}
grep '^[0-9]' "$in" | sort -n | (
while read nr abi name entry compat; do
abi=`echo "$abi" | tr '[a-z]' '[A-Z]'`
emit "$abi" "$nr" "$entry" "$compat"
done
) > "$out"
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