blob: 5de5660cb7085ac899df9f9dc87989bc931f24be [file] [log] [blame]
Rob Landleye0e2fa42013-03-27 10:24:11 +11001#!/bin/sh
2
3if [ $# -lt 1 ]
4then
Nicolas Dichtelc0ff68f2013-04-29 14:15:51 +02005 echo "Usage: headers_install.sh OUTDIR SRCDIR [FILES...]
Rob Landleye0e2fa42013-03-27 10:24:11 +11006 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."
Nicolas Dichtelc0ff68f2013-04-29 14:15:51 +020013 echo "SRCDIR: source directory where files are picked."
Rob Landleye0e2fa42013-03-27 10:24:11 +110014 echo "FILES: list of header files to operate on."
15
16 exit 1
17fi
18
19# Grab arguments
20
21OUTDIR="$1"
22shift
Nicolas Dichtelc0ff68f2013-04-29 14:15:51 +020023SRCDIR="$1"
24shift
Rob Landleye0e2fa42013-03-27 10:24:11 +110025
26# Iterate through files listed on command line
27
28FILE=
29trap 'rm -f "$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(]|$)/\1__\2__\3/g' \
39 -e 's@#(ifndef|define|endif[ \t]*/[*])[ \t]*_UAPI@#\1 @' \
Nicolas Dichtelc0ff68f2013-04-29 14:15:51 +020040 "$SRCDIR/$i" > "$OUTDIR/$FILE.sed" || exit 1
Rob Landleye0e2fa42013-03-27 10:24:11 +110041 scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__ "$OUTDIR/$FILE.sed" \
42 > "$OUTDIR/$FILE"
43 [ $? -gt 1 ] && exit 1
44 rm -f "$OUTDIR/$FILE.sed"
45done
46trap - EXIT