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linux-next/arch/x86/syscalls/syscallhdr.sh
H. Peter Anvin d181764ccf x86: Machine-readable syscall tables and scripts to process them
Create a simple set of syscall tables and scripts to turn them into
both header files (unistd_*.h) and macros for generating the system
call tables.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2011-11-17 13:35:36 -08:00

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#!/bin/sh
in="$1"
out="$2"
my_abis=`echo "$3" | tr ',' ' '`
prefix="$4"
offset="$5"
fileguard=_ASM_X86_`basename "$out" | sed \
-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
-e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
in_list () {
local x
for x in $1; do
if [ x"$x" = x"$2" ]; then
return 0
fi
done
return 1
}
grep '^[0-9]' "$in" | sort -n | (
echo "#ifndef ${fileguard}"
echo "#define ${fileguard} 1"
echo ""
while read nr abi name entry ; do
if in_list "$my_abis" "$abi"; then
echo "#define __NR_${prefix}${name}" $((nr+offset))
fi
done
echo ""
echo "#endif /* ${fileguard} */"
) > "$out"