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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/scripts/atomic/gen-atomic-long.sh
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#!/bin/sh

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# SPDX-License-Identifier: GPL-2.0

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ATOMICDIR=$(dirname $0)

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. ${ATOMICDIR}/atomic-tbl.sh

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#gen_cast(arg, int, atomic)

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gen_cast()

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{

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	local arg="$1"; shift

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	local int="$1"; shift

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	local atomic="$1"; shift

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	[ "${arg%%:*}" = "p" ] || return

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	printf "($(gen_param_type "${arg}" "${int}" "${atomic}"))"

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}

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#gen_args_cast(int, atomic, arg...)

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gen_args_cast()

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{

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	local int="$1"; shift

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	local atomic="$1"; shift

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	while [ "$#" -gt 0 ]; do

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		local cast="$(gen_cast "$1" "${int}" "${atomic}")"

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		local arg="$(gen_param_name "$1")"

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		printf "${cast}${arg}"

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		[ "$#" -gt 1 ] && printf ", "

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		shift;

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	done

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}

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#gen_proto_order_variant(meta, pfx, name, sfx, order, arg...)

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gen_proto_order_variant()

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{

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	local meta="$1"; shift

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	local pfx="$1"; shift

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	local name="$1"; shift

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	local sfx="$1"; shift

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	local order="$1"; shift

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

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	local ret="$(gen_ret_type "${meta}" "long")"

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	local params="$(gen_params "long" "atomic_long" "$@")"

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	local argscast_32="$(gen_args_cast "int" "atomic" "$@")"

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	local argscast_64="$(gen_args_cast "s64" "atomic64" "$@")"

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	local retstmt="$(gen_ret_stmt "${meta}")"

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	gen_kerneldoc "raw_" "${meta}" "${pfx}" "${name}" "${sfx}" "${order}" "atomic_long" "long" "$@"

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cat <<EOF

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static __always_inline ${ret}

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raw_atomic_long_${atomicname}(${params})

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{

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#ifdef CONFIG_64BIT

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	${retstmt}raw_atomic64_${atomicname}(${argscast_64});

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#else

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	${retstmt}raw_atomic_${atomicname}(${argscast_32});

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#endif

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}

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EOF

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}

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cat << EOF

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// SPDX-License-Identifier: GPL-2.0

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// Generated by $0

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// DO NOT MODIFY THIS FILE DIRECTLY

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#ifndef _LINUX_ATOMIC_LONG_H

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#define _LINUX_ATOMIC_LONG_H

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#include <linux/compiler.h>

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#include <asm/types.h>

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#ifdef CONFIG_64BIT

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typedef atomic64_t atomic_long_t;

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#define ATOMIC_LONG_INIT(i)		ATOMIC64_INIT(i)

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#define atomic_long_cond_read_acquire	atomic64_cond_read_acquire

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#define atomic_long_cond_read_relaxed	atomic64_cond_read_relaxed

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#else

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typedef atomic_t atomic_long_t;

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#define ATOMIC_LONG_INIT(i)		ATOMIC_INIT(i)

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#define atomic_long_cond_read_acquire	atomic_cond_read_acquire

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#define atomic_long_cond_read_relaxed	atomic_cond_read_relaxed

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#endif

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EOF

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grep '^[a-z]' "$1" | while read name meta args; do

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	gen_proto "${meta}" "${name}" ${args}

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done

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cat <<EOF

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#endif /* _LINUX_ATOMIC_LONG_H */

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EOF

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