diff options
Diffstat (limited to 'scripts/headers_install.sh')
-rwxr-xr-x | scripts/headers_install.sh | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh new file mode 100755 index 000000000..593f8879c --- /dev/null +++ b/scripts/headers_install.sh @@ -0,0 +1,47 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 + +if [ $# -lt 2 ] +then + echo "Usage: headers_install.sh OUTDIR SRCDIR [FILES...]" + echo + echo "Prepares kernel header files for use by user space, by removing" + echo "all compiler.h definitions and #includes, removing any" + echo "#ifdef __KERNEL__ sections, and putting __underscores__ around" + echo "asm/inline/volatile keywords." + echo + echo "OUTDIR: directory to write each userspace header FILE to." + echo "SRCDIR: source directory where files are picked." + echo "FILES: list of header files to operate on." + + exit 1 +fi + +# Grab arguments + +OUTDIR="$1" +shift +SRCDIR="$1" +shift + +# Iterate through files listed on command line + +FILE= +trap 'rm -f "$OUTDIR/$FILE" "$OUTDIR/$FILE.sed"' EXIT +for i in "$@" +do + FILE="$(basename "$i")" + sed -E \ + -e 's/([[:space:](])(__user|__force|__iomem)[[:space:]]/\1/g' \ + -e 's/__attribute_const__([[:space:]]|$)/\1/g' \ + -e 's@^#include <linux/compiler(|_types).h>@@' \ + -e 's/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g' \ + -e 's/(^|[[:space:](])(inline|asm|volatile)([[:space:](]|$)/\1__\2__\3/g' \ + -e 's@#(ifndef|define|endif[[:space:]]*/[*])[[:space:]]*_UAPI@#\1 @' \ + "$SRCDIR/$i" > "$OUTDIR/$FILE.sed" || exit 1 + scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__ "$OUTDIR/$FILE.sed" \ + > "$OUTDIR/$FILE" + [ $? -gt 1 ] && exit 1 + rm -f "$OUTDIR/$FILE.sed" +done +trap - EXIT |