bd35e83bcf
Reviewed by: emaste Differential Revision: https://reviews.freebsd.org/D40150 MFC after: 1 week
115 lines
3.6 KiB
Bash
115 lines
3.6 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) 2006 "David Kirchner" <dpk@dpk.net>. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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# Generates tables_linux.h
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#
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set -e
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LC_ALL=C; export LC_ALL
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if [ -z "$1" ]
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then
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echo "usage: sh $0 include-dir [output-file]"
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exit 1
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fi
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include_dir=$1
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if [ -n "$2" ]; then
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output_file="$2"
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output_tmp=$(mktemp -u)
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exec > "$output_tmp"
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fi
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all_headers=
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#
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# Generate a table C #definitions. The including file can define the
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# TABLE_NAME(n), TABLE_ENTRY(x), and TABLE_END macros to define what
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# the tables map to.
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#
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gen_table()
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{
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local name grep file excl filter
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name=$1
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grep=$2
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file=$3
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excl=$4
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if [ -z "$excl" ]; then
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filter="cat"
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else
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filter="egrep -v"
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fi
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cat <<_EOF_
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TABLE_START(${name})
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_EOF_
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if [ -e "${include_dir}/${file}" ]; then
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all_headers="${all_headers:+${all_headers} }${file}"
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egrep "^#[[:space:]]*define[[:space:]]+"${grep}"[[:space:]]*" \
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$include_dir/$file | ${filter} ${excl} | \
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awk '{ for (i = 1; i <= NF; i++) \
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if ($i ~ /define/) \
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break; \
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++i; \
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sub(/LINUX_/, "", $i); \
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printf "TABLE_ENTRY(LINUX_%s, %s)\n", $i, $i }'
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fi
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cat <<_EOF_
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TABLE_END
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_EOF_
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}
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cat <<_EOF_
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/* This file is auto-generated. */
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_EOF_
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gen_table "atflags" "LINUX_AT_[A-Z_]+[[:space:]]+[0-9]+" "compat/linux/linux_file.h"
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gen_table "clockids" "LINUX_CLOCK_[A-Z_]+[[:space:]]+[0-9]+" "compat/linux/linux_time.h"
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gen_table "clockflags" "LINUX_TIMER_[A-Z_]+[[:space:]]+0x[0-9]+" "compat/linux/linux_time.h"
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gen_table "clockcpuids" "LINUX_CPUCLOCK_[A-Z_]+[[:space:]]+[0-9]+" "compat/linux/linux_time.h" "_MASK|_MAX"
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gen_table "openflags" "LINUX_O_[A-Z_]+[[:space:]]+[0-9]+" "compat/linux/linux_file.h" "O_RDONLY|O_RDWR|O_WRONLY|O_ACCMODE"
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gen_table "sigprocmaskhow" "LINUX_SIG_[A-Z]+[[:space:]]+[0-9]+" "compat/linux/linux.h"
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gen_table "cloneflags" "LINUX_CLONE_[A-Z_]+[[:space:]]+[[:alnum:]]+" "compat/linux/linux_fork.h" "LINUX_CLONE_LEGACY_FLAGS|LINUX_CLONE_CLEAR_SIGHAND|LINUX_CLONE_INTO_CGROUP|LINUX_CLONE_NEWTIME"
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# Generate a .depend file for our output file
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if [ -n "$output_file" ]; then
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depend_tmp=$(mktemp -u)
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{
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echo "$output_file: \\"
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echo "$all_headers" | tr ' ' '\n' | sort -u |
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sed -e "s,^, $include_dir/," -e 's,$, \\,'
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echo
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} > "$depend_tmp"
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if cmp -s "$output_tmp" "$output_file"; then
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rm -f "$output_tmp" "$depend_tmp"
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else
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mv -f "$depend_tmp" ".depend.${output_file}"
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mv -f "$output_tmp" "$output_file"
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fi
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fi
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