blob: fdebd66f8fc16c2db0189480318c5f8599aebdf0
1 | #!/bin/sh |
2 | |
3 | if [ $# -lt 2 ] |
4 | then |
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 |
17 | fi |
18 | |
19 | # Grab arguments |
20 | |
21 | OUTDIR="$1" |
22 | shift |
23 | SRCDIR="$1" |
24 | shift |
25 | |
26 | # Iterate through files listed on command line |
27 | |
28 | FILE= |
29 | trap 'rm -f "$OUTDIR/$FILE" "$OUTDIR/$FILE.sed"' EXIT |
30 | for i in "$@" |
31 | do |
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" |
45 | done |
46 | trap - EXIT |
47 |