xref: /linux/scripts/atomic/gen-atomic-long.sh (revision cdd5b5a9761fd66d17586e4f4ba6588c70e640ea) 
1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3
4ATOMICDIR=$(dirname $0)
5
6. ${ATOMICDIR}/atomic-tbl.sh
7
8#gen_cast(arg, int, atomic)
9gen_cast()
10{
11	local arg="$1"; shift
12	local int="$1"; shift
13	local atomic="$1"; shift
14
15	[ "${arg%%:*}" = "p" ] || return
16
17	printf "($(gen_param_type "${arg}" "${int}" "${atomic}"))"
18}
19
20#gen_args_cast(int, atomic, arg...)
21gen_args_cast()
22{
23	local int="$1"; shift
24	local atomic="$1"; shift
25
26	while [ "$#" -gt 0 ]; do
27		local cast="$(gen_cast "$1" "${int}" "${atomic}")"
28		local arg="$(gen_param_name "$1")"
29		printf "${cast}${arg}"
30		[ "$#" -gt 1 ] && printf ", "
31		shift;
32	done
33}
34
35#gen_proto_order_variant(meta, pfx, name, sfx, order, arg...)
36gen_proto_order_variant()
37{
38	local meta="$1"; shift
39	local pfx="$1"; shift
40	local name="$1"; shift
41	local sfx="$1"; shift
42	local order="$1"; shift
43
44	local atomicname="${pfx}${name}${sfx}${order}"
45
46	local ret="$(gen_ret_type "${meta}" "long")"
47	local params="$(gen_params "long" "atomic_long" "$@")"
48	local argscast_32="$(gen_args_cast "int" "atomic" "$@")"
49	local argscast_64="$(gen_args_cast "s64" "atomic64" "$@")"
50	local retstmt="$(gen_ret_stmt "${meta}")"
51
52	gen_kerneldoc "raw_" "${meta}" "${pfx}" "${name}" "${sfx}" "${order}" "atomic_long" "long" "$@"
53
54cat <<EOF
55static __always_inline ${ret}
56raw_atomic_long_${atomicname}(${params})
57{
58#ifdef CONFIG_64BIT
59	${retstmt}raw_atomic64_${atomicname}(${argscast_64});
60#else
61	${retstmt}raw_atomic_${atomicname}(${argscast_32});
62#endif
63}
64
65EOF
66}
67
68cat << EOF
69// SPDX-License-Identifier: GPL-2.0
70
71// Generated by $0
72// DO NOT MODIFY THIS FILE DIRECTLY
73
74#ifndef _LINUX_ATOMIC_LONG_H
75#define _LINUX_ATOMIC_LONG_H
76
77#include <linux/compiler.h>
78#include <asm/types.h>
79
80#ifdef CONFIG_64BIT
81typedef atomic64_t atomic_long_t;
82#define ATOMIC_LONG_INIT(i)		ATOMIC64_INIT(i)
83#define atomic_long_cond_read_acquire	atomic64_cond_read_acquire
84#define atomic_long_cond_read_relaxed	atomic64_cond_read_relaxed
85#else
86typedef atomic_t atomic_long_t;
87#define ATOMIC_LONG_INIT(i)		ATOMIC_INIT(i)
88#define atomic_long_cond_read_acquire	atomic_cond_read_acquire
89#define atomic_long_cond_read_relaxed	atomic_cond_read_relaxed
90#endif
91
92EOF
93
94grep '^[a-z]' "$1" | while read name meta args; do
95	gen_proto "${meta}" "${name}" ${args}
96done
97
98cat <<EOF
99#endif /* _LINUX_ATOMIC_LONG_H */
100EOF
101