scripts/atomic/gen-rust-atomic-helpers.sh

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0

ATOMICDIR=$(dirname $0)

. ${ATOMICDIR}/atomic-tbl.sh

#gen_proto_order_variant(meta, pfx, name, sfx, order, atomic, int, arg...)
gen_proto_order_variant()
{
	local meta="$1"; shift
	local pfx="$1"; shift
	local name="$1"; shift
	local sfx="$1"; shift
	local order="$1"; shift
	local atomic="$1"; shift
	local int="$1"; shift

	local atomicname="${atomic}_${pfx}${name}${sfx}${order}"

	local ret="$(gen_ret_type "${meta}" "${int}")"
	local params="$(gen_params "${int}" "${atomic}" "$@")"
	local args="$(gen_args "$@")"
	local retstmt="$(gen_ret_stmt "${meta}")"

cat <<EOF
__rust_helper ${ret}
rust_helper_${atomicname}(${params})
{
	${retstmt}${atomicname}(${args});
}

EOF
}

cat << EOF
// SPDX-License-Identifier: GPL-2.0

// Generated by $0
// DO NOT MODIFY THIS FILE DIRECTLY

/*
 * This file provides helpers for the various atomic functions for Rust.
 */
#ifndef _RUST_ATOMIC_API_H
#define _RUST_ATOMIC_API_H

#include <linux/atomic.h>

// TODO: Remove this after INLINE_HELPERS support is added.
#ifndef __rust_helper
#define __rust_helper
#endif

EOF

grep '^[a-z]' "$1" | while read name meta args; do
	gen_proto "${meta}" "${name}" "atomic" "int" ${args}
done

grep '^[a-z]' "$1" | while read name meta args; do
	gen_proto "${meta}" "${name}" "atomic64" "s64" ${args}
done

cat <<EOF
#endif /* _RUST_ATOMIC_API_H */
EOF