Commit | Line | Data |
---|---|---|
e0e2fa4b | 1 | #!/bin/sh |
b2441318 | 2 | # SPDX-License-Identifier: GPL-2.0 |
e0e2fa4b | 3 | |
555187a8 | 4 | if [ $# -ne 2 ] |
e0e2fa4b | 5 | then |
555187a8 | 6 | echo "Usage: headers_install.sh INFILE OUTFILE" |
e0e2fa4b RL |
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 | |
555187a8 MY |
13 | echo "INFILE: header file to operate on" |
14 | echo "OUTFILE: output file which the processed header is writen to" | |
e0e2fa4b RL |
15 | |
16 | exit 1 | |
17 | fi | |
18 | ||
19 | # Grab arguments | |
555187a8 MY |
20 | INFILE=$1 |
21 | OUTFILE=$2 | |
22 | TMPFILE=$OUTFILE.tmp | |
e0e2fa4b | 23 | |
555187a8 | 24 | trap 'rm -f $OUTFILE $TMPFILE' EXIT |
e0e2fa4b | 25 | |
62244554 MY |
26 | # SPDX-License-Identifier with GPL variants must have "WITH Linux-syscall-note" |
27 | if [ -n "$(sed -n -e "/SPDX-License-Identifier:.*GPL-/{/WITH Linux-syscall-note/!p}" $INFILE)" ]; then | |
28 | echo "error: $INFILE: missing \"WITH Linux-syscall-note\" for SPDX-License-Identifier" >&2 | |
29 | exit 1 | |
30 | fi | |
31 | ||
555187a8 MY |
32 | sed -E -e ' |
33 | s/([[:space:](])(__user|__force|__iomem)[[:space:]]/\1/g | |
34 | s/__attribute_const__([[:space:]]|$)/\1/g | |
35 | s@^#include <linux/compiler(|_types).h>@@ | |
36 | s/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g | |
37 | s/(^|[[:space:](])(inline|asm|volatile)([[:space:](]|$)/\1__\2__\3/g | |
38 | s@#(ifndef|define|endif[[:space:]]*/[*])[[:space:]]*_UAPI@#\1 @ | |
39 | ' $INFILE > $TMPFILE || exit 1 | |
e0e2fa4b | 40 | |
555187a8 MY |
41 | scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__ $TMPFILE > $OUTFILE |
42 | [ $? -gt 1 ] && exit 1 | |
43 | ||
44 | rm -f $TMPFILE | |
e0e2fa4b | 45 | trap - EXIT |