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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# Generate system call table for perf. Derived from
# powerpc script.
#
# Author(s): Ming Wang <wangming01@loongson.cn>
# Author(s): Huacai Chen <chenhuacai@loongson.cn>
# Copyright (C) 2020-2023 Loongson Technology Corporation Limited
gcc=$1
hostcc=$2
incpath=$3
input=$4
if ! test -r $input; then
echo "Could not read input file" >&2
exit 1
fi
create_sc_table()
{
local sc nr max_nr
while read sc nr; do
printf "%s\n" " [$nr] = \"$sc\","
max_nr=$nr
done
echo "#define SYSCALLTBL_LOONGARCH_MAX_ID $max_nr"
}
create_table()
{
echo "#include \"$input\""
echo "static const char *const syscalltbl_loongarch[] = {"
create_sc_table
echo "};"
}
$gcc -E -dM -x c -I $incpath/include/uapi $input \
|awk '$2 ~ "__NR" && $3 !~ "__NR3264_" {
sub("^#define __NR(3264)?_", "");
print | "sort -k2 -n"}' \
|create_table
|
