scripts/atomic/gen-atomic-long.sh

Source file repositories/reference/linux-study-clean/scripts/atomic/gen-atomic-long.sh

File Facts

System
Linux kernel
Corpus path
scripts/atomic/gen-atomic-long.sh
Extension
.sh
Size
2273 bytes
Lines
101
Domain
Support Tooling And Documentation
Bucket
scripts
Inferred role
Support Tooling And Documentation: scripts
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#!/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, 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 atomicname="${pfx}${name}${sfx}${order}"

	local ret="$(gen_ret_type "${meta}" "long")"
	local params="$(gen_params "long" "atomic_long" "$@")"
	local argscast_32="$(gen_args_cast "int" "atomic" "$@")"
	local argscast_64="$(gen_args_cast "s64" "atomic64" "$@")"
	local retstmt="$(gen_ret_stmt "${meta}")"

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

cat <<EOF
static __always_inline ${ret}
raw_atomic_long_${atomicname}(${params})
{
#ifdef CONFIG_64BIT
	${retstmt}raw_atomic64_${atomicname}(${argscast_64});
#else
	${retstmt}raw_atomic_${atomicname}(${argscast_32});
#endif
}

EOF
}

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

Annotation

Implementation Notes