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46 lines
1.3 KiB
46 lines
1.3 KiB
#!/bin/sh |
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if [ $# -lt 2 ] |
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then |
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echo "Usage: headers_install.sh OUTDIR SRCDIR [FILES...]" |
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echo |
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echo "Prepares kernel header files for use by user space, by removing" |
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echo "all compiler.h definitions and #includes, removing any" |
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echo "#ifdef __KERNEL__ sections, and putting __underscores__ around" |
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echo "asm/inline/volatile keywords." |
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echo |
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echo "OUTDIR: directory to write each userspace header FILE to." |
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echo "SRCDIR: source directory where files are picked." |
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echo "FILES: list of header files to operate on." |
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exit 1 |
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fi |
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# Grab arguments |
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OUTDIR="$1" |
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shift |
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SRCDIR="$1" |
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shift |
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# Iterate through files listed on command line |
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FILE= |
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trap 'rm -f "$OUTDIR/$FILE" "$OUTDIR/$FILE.sed"' EXIT |
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for i in "$@" |
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do |
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FILE="$(basename "$i")" |
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sed -r \ |
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-e 's/([ \t(])(__user|__force|__iomem)[ \t]/\1/g' \ |
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-e 's/__attribute_const__([ \t]|$)/\1/g' \ |
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-e 's@^#include <linux/compiler.h>@@' \ |
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-e 's/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g' \ |
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-e 's/(^|[ \t(])(inline|asm|volatile)([ \t(]|$)/\1__\2__\3/g' \ |
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-e 's@#(ifndef|define|endif[ \t]*/[*])[ \t]*_UAPI@#\1 @' \ |
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"$SRCDIR/$i" > "$OUTDIR/$FILE.sed" || exit 1 |
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scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__ "$OUTDIR/$FILE.sed" \ |
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> "$OUTDIR/$FILE" |
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[ $? -gt 1 ] && exit 1 |
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rm -f "$OUTDIR/$FILE.sed" |
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done |
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trap - EXIT
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