Commit | Line | Data |
---|---|---|
e0e2fa4b RL |
1 | #!/bin/sh |
2 | ||
3 | if [ $# -lt 1 ] | |
4 | then | |
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 | |
16 | fi | |
17 | ||
18 | # Grab arguments | |
19 | ||
20 | OUTDIR="$1" | |
21 | shift | |
22 | ||
23 | # Iterate through files listed on command line | |
24 | ||
25 | FILE= | |
26 | trap 'rm -f "$OUTDIR/$FILE" "$OUTDIR/$FILE.sed"' EXIT | |
27 | for i in "$@" | |
28 | do | |
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" | |
42 | done | |
43 | trap - EXIT |