blob: 643764f53ea7288ac7bb78aea7512306ea171672 [file] [log] [blame]
Rob Landleye0e2fa42013-03-27 10:24:11 +11001#!/bin/sh
2
3if [ $# -lt 1 ]
4then
5 echo "Usage: headers_install.sh OUTDIR [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 "FILES: list of header files to operate on."
14
15 exit 1
16fi
17
18# Grab arguments
19
20OUTDIR="$1"
21shift
22
23# Iterate through files listed on command line
24
25FILE=
26trap 'rm -f "$OUTDIR/$FILE" "$OUTDIR/$FILE.sed"' EXIT
27for i in "$@"
28do
29 FILE="$(basename "$i")"
30 sed -r \
31 -e 's/([ \t(])(__user|__force|__iomem)[ \t]/\1/g' \
32 -e 's/__attribute_const__([ \t]|$)/\1/g' \
33 -e 's@^#include <linux/compiler.h>@@' \
34 -e 's/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g' \
35 -e 's/(^|[ \t(])(inline|asm|volatile)([ \t(]|$)/\1__\2__\3/g' \
36 -e 's@#(ifndef|define|endif[ \t]*/[*])[ \t]*_UAPI@#\1 @' \
37 "$i" > "$OUTDIR/$FILE.sed" || exit 1
38 scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__ "$OUTDIR/$FILE.sed" \
39 > "$OUTDIR/$FILE"
40 [ $? -gt 1 ] && exit 1
41 rm -f "$OUTDIR/$FILE.sed"
42done
43trap - EXIT