| 1 | |
| 2 | |
| 3 |
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| 4 | if [ $# -lt 2 ]
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| 5 | then
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| 6 | echo "Usage: headers_install.sh OUTDIR SRCDIR [FILES...]"
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| 7 | echo
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| 8 | echo "Prepares kernel header files for use by user space, by removing"
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| 9 | echo "all compiler.h definitions and #includes, removing any"
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| 10 | echo "#ifdef __KERNEL__ sections, and putting __underscores__ around"
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| 11 | echo "asm/inline/volatile keywords."
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| 12 | echo
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| 13 | echo "OUTDIR: directory to write each userspace header FILE to."
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| 14 | echo "SRCDIR: source directory where files are picked."
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| 15 | echo "FILES: list of header files to operate on."
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| 16 |
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| 17 | exit 1
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| 18 | fi
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| 19 |
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| 20 | |
| 21 |
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| 22 | OUTDIR="$1"
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| 23 | shift
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| 24 | SRCDIR="$1"
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| 25 | shift
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| 26 |
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| 27 | |
| 28 |
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| 29 | FILE=
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| 30 | trap 'rm -f "$OUTDIR/$FILE" "$OUTDIR/$FILE.sed"' EXIT
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| 31 | for i in "$@"
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| 32 | do
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| 33 | FILE="$(basename "$i")"
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| 34 | sed -r \
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| 35 | -e 's/([ \t(])(__user|__force|__iomem)[ \t]/\1/g' \
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| 36 | -e 's/__attribute_const__([ \t]|$)/\1/g' \
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| 37 | -e 's@^#include <linux/compiler.h>@@' \
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| 38 | -e 's/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g' \
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| 39 | -e 's/(^|[ \t(])(inline|asm|volatile)([ \t(]|$)/\1__\2__\3/g' \
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| 40 | -e 's@#(ifndef|define|endif[ \t]*/[*])[ \t]*_UAPI@#\1 @' \
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| 41 | "$SRCDIR/$i" > "$OUTDIR/$FILE.sed" || exit 1
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| 42 | scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__ "$OUTDIR/$FILE.sed" \
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| 43 | > "$OUTDIR/$FILE"
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| 44 | [ $? -gt 1 ] && exit 1
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| 45 | rm -f "$OUTDIR/$FILE.sed"
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| 46 | done
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| 47 | trap - EXIT
|