| # SPDX-License-Identifier: GPL-2.0 |
| echo "Usage: headers_install.sh OUTDIR SRCDIR [FILES...]" |
| 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 "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." |
| # Iterate through files listed on command line |
| trap 'rm -f "$OUTDIR/$FILE" "$OUTDIR/$FILE.sed"' EXIT |
| -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/$FILE.sed" \ |
| rm -f "$OUTDIR/$FILE.sed" |