linux/scripts/atomic/gen-atomic-long.sh

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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
ATOMICDIR=$(dirname $0)
. ${ATOMICDIR}/atomic-tbl.sh
#gen_cast(arg, int, atomic)
gen_cast()
{
local arg="$1"; shift
local int="$1"; shift
local atomic="$1"; shift
[ "${arg%%:*}" = "p" ] || return
printf "($(gen_param_type "${arg}" "${int}" "${atomic}"))"
}
#gen_args_cast(int, atomic, arg...)
gen_args_cast()
{
local int="$1"; shift
local atomic="$1"; shift
while [ "$#" -gt 0 ]; do
local cast="$(gen_cast "$1" "${int}" "${atomic}")"
local arg="$(gen_param_name "$1")"
printf "${cast}${arg}"
[ "$#" -gt 1 ] && printf ", "
shift;
done
}
#gen_proto_order_variant(meta, pfx, name, sfx, order, atomic, int, arg...)
gen_proto_order_variant()
{
local meta="$1"; shift
local name="$1$2$3$4"; shift; shift; shift; shift
local atomic="$1"; shift
local int="$1"; shift
local ret="$(gen_ret_type "${meta}" "long")"
local params="$(gen_params "long" "atomic_long" "$@")"
local argscast="$(gen_args_cast "${int}" "${atomic}" "$@")"
local retstmt="$(gen_ret_stmt "${meta}")"
cat <<EOF
static inline ${ret}
atomic_long_${name}(${params})
{
${retstmt}${atomic}_${name}(${argscast});
}
EOF
}
cat << EOF
// SPDX-License-Identifier: GPL-2.0
// Generated by $0
// DO NOT MODIFY THIS FILE DIRECTLY
#ifndef _ASM_GENERIC_ATOMIC_LONG_H
#define _ASM_GENERIC_ATOMIC_LONG_H
#include <asm/types.h>
#ifdef CONFIG_64BIT
typedef atomic64_t atomic_long_t;
#define ATOMIC_LONG_INIT(i) ATOMIC64_INIT(i)
#define atomic_long_cond_read_acquire atomic64_cond_read_acquire
#define atomic_long_cond_read_relaxed atomic64_cond_read_relaxed
#else
typedef atomic_t atomic_long_t;
#define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
#define atomic_long_cond_read_acquire atomic_cond_read_acquire
#define atomic_long_cond_read_relaxed atomic_cond_read_relaxed
#endif
#ifdef CONFIG_64BIT
EOF
grep '^[a-z]' "$1" | while read name meta args; do
gen_proto "${meta}" "${name}" "atomic64" "s64" ${args}
done
cat <<EOF
#else /* CONFIG_64BIT */
EOF
grep '^[a-z]' "$1" | while read name meta args; do
gen_proto "${meta}" "${name}" "atomic" "int" ${args}
done
cat <<EOF
#endif /* CONFIG_64BIT */
#endif /* _ASM_GENERIC_ATOMIC_LONG_H */
EOF