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scripts/headers_install.sh
1.36 KB
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#!/bin/sh |
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# SPDX-License-Identifier: GPL-2.0 |
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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 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." |
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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." exit 1 fi # Grab arguments OUTDIR="$1" shift |
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SRCDIR="$1" shift |
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# Iterate through files listed on command line FILE= trap 'rm -f "$OUTDIR/$FILE" "$OUTDIR/$FILE.sed"' EXIT for i in "$@" do FILE="$(basename "$i")" |
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sed -E \ -e 's/([[:space:](])(__user|__force|__iomem)[[:space:]]/\1/g' \ -e 's/__attribute_const__([[:space:]]|$)/\1/g' \ |
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-e 's@^#include <linux/compiler(|_types).h>@@' \ |
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-e 's/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g' \ |
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-e 's/(^|[[:space:](])(inline|asm|volatile)([[:space:](]|$)/\1__\2__\3/g' \ -e 's@#(ifndef|define|endif[[:space:]]*/[*])[[:space:]]*_UAPI@#\1 @' \ |
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"$SRCDIR/$i" > "$OUTDIR/$FILE.sed" || exit 1 |
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scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__ "$OUTDIR/$FILE.sed" \ > "$OUTDIR/$FILE" [ $? -gt 1 ] && exit 1 rm -f "$OUTDIR/$FILE.sed" done trap - EXIT |