1#!/bin/sh
 2# SPDX-License-Identifier: GPL-2.0
 3
 4if [ $# -lt 2 ]
 5then
 6	echo "Usage: headers_install.sh OUTDIR SRCDIR [FILES...]"
 7	echo
 8	echo "Prepares kernel header files for use by user space, by removing"
 9	echo "all compiler.h definitions and #includes, removing any"
10	echo "#ifdef __KERNEL__ sections, and putting __underscores__ around"
11	echo "asm/inline/volatile keywords."
12	echo
13	echo "OUTDIR: directory to write each userspace header FILE to."
14	echo "SRCDIR: source directory where files are picked."
15	echo "FILES:  list of header files to operate on."
16
17	exit 1
18fi
19
20# Grab arguments
21
22OUTDIR="$1"
23shift
24SRCDIR="$1"
25shift
26
27# Iterate through files listed on command line
28
29FILE=
30trap 'rm -f "$OUTDIR/$FILE" "$OUTDIR/$FILE.sed"' EXIT
31for i in "$@"
32do
33	FILE="$(basename "$i")"
34	sed -E \
35		-e 's/([[:space:](])(__user|__force|__iomem)[[:space:]]/\1/g' \
36		-e 's/__attribute_const__([[:space:]]|$)/\1/g' \
37		-e 's@^#include <linux/compiler(|_types).h>@@' \
38		-e 's/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g' \
39		-e 's/(^|[[:space:](])(inline|asm|volatile)([[:space:](]|$)/\1__\2__\3/g' \
40		-e 's@#(ifndef|define|endif[[:space:]]*/[*])[[:space:]]*_UAPI@#\1 @' \
41		"$SRCDIR/$i" > "$OUTDIR/$FILE.sed" || exit 1
42	scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__ "$OUTDIR/$FILE.sed" \
43		> "$OUTDIR/$FILE"
44	[ $? -gt 1 ] && exit 1
45	rm -f "$OUTDIR/$FILE.sed"
46done
47trap - EXIT

 1#!/bin/sh
 
 2
 3if [ $# -lt 1 ]
 4then
 5	echo "Usage: headers_install.sh OUTDIR SRCDIR [FILES...]
 6	echo
 7	echo "Prepares kernel header files for use by user space, by removing"
 8	echo "all compiler.h definitions and #includes, removing any"
 9	echo "#ifdef __KERNEL__ sections, and putting __underscores__ around"
10	echo "asm/inline/volatile keywords."
11	echo
12	echo "OUTDIR: directory to write each userspace header FILE to."
13	echo "SRCDIR: source directory where files are picked."
14	echo "FILES:  list of header files to operate on."
15
16	exit 1
17fi
18
19# Grab arguments
20
21OUTDIR="$1"
22shift
23SRCDIR="$1"
24shift
25
26# Iterate through files listed on command line
27
28FILE=
29trap 'rm -f "$OUTDIR/$FILE" "$OUTDIR/$FILE.sed"' EXIT
30for i in "$@"
31do
32	FILE="$(basename "$i")"
33	sed -r \
34		-e 's/([ \t(])(__user|__force|__iomem)[ \t]/\1/g' \
35		-e 's/__attribute_const__([ \t]|$)/\1/g' \
36		-e 's@^#include <linux/compiler.h>@@' \
37		-e 's/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g' \
38		-e 's/(^|[ \t(])(inline|asm|volatile)([ \t(]|$)/\1__\2__\3/g' \
39		-e 's@#(ifndef|define|endif[ \t]*/[*])[ \t]*_UAPI@#\1 @' \
40		"$SRCDIR/$i" > "$OUTDIR/$FILE.sed" || exit 1
41	scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__ "$OUTDIR/$FILE.sed" \
42		> "$OUTDIR/$FILE"
43	[ $? -gt 1 ] && exit 1
44	rm -f "$OUTDIR/$FILE.sed"
45done
46trap - EXIT