xref: /linux/scripts/atomic/gen-atomic-long.sh (revision 630399469ffcb937936644fbaa5daf61e700a329)
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
52cat <<EOF
53static __always_inline ${ret}
54raw_atomic_long_${atomicname}(${params})
55{
56#ifdef CONFIG_64BIT
57	${retstmt}raw_atomic64_${atomicname}(${argscast_64});
58#else
59	${retstmt}raw_atomic_${atomicname}(${argscast_32});
60#endif
61}
62
63EOF
64}
65
66cat << EOF
67// SPDX-License-Identifier: GPL-2.0
68
69// Generated by $0
70// DO NOT MODIFY THIS FILE DIRECTLY
71
72#ifndef _LINUX_ATOMIC_LONG_H
73#define _LINUX_ATOMIC_LONG_H
74
75#include <linux/compiler.h>
76#include <asm/types.h>
77
78#ifdef CONFIG_64BIT
79typedef atomic64_t atomic_long_t;
80#define ATOMIC_LONG_INIT(i)		ATOMIC64_INIT(i)
81#define atomic_long_cond_read_acquire	atomic64_cond_read_acquire
82#define atomic_long_cond_read_relaxed	atomic64_cond_read_relaxed
83#else
84typedef atomic_t atomic_long_t;
85#define ATOMIC_LONG_INIT(i)		ATOMIC_INIT(i)
86#define atomic_long_cond_read_acquire	atomic_cond_read_acquire
87#define atomic_long_cond_read_relaxed	atomic_cond_read_relaxed
88#endif
89
90EOF
91
92grep '^[a-z]' "$1" | while read name meta args; do
93	gen_proto "${meta}" "${name}" ${args}
94done
95
96cat <<EOF
97#endif /* _LINUX_ATOMIC_LONG_H */
98EOF
99