| 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/([ \t(])(__user|__force|__iomem)[ \t]/\1/g' \ |
| -e 's/__attribute_const__([ \t]|$)/\1/g' \ |
| -e 's@^#include <linux/compiler.h>@@' \ |
| -e 's/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g' \ |
| -e 's/(^|[ \t(])(inline|asm|volatile)([ \t(]|$)/\1__\2__\3/g' \ |
| -e 's@#(ifndef|define|endif[ \t]*/[*])[ \t]*_UAPI@#\1 @' \ |
| "$SRCDIR/$i" > "$OUTDIR/$FILE.sed" || exit 1 |
| scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__ "$OUTDIR/$FILE.sed" \ |
| rm -f "$OUTDIR/$FILE.sed" |