1#!/bin/sh 2# 3# Copyright (c) 2006 "David Kirchner" <dpk@dpk.net>. All rights reserved. 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions 7# are met: 8# 1. Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 2. Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution. 13# 14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24# SUCH DAMAGE. 25# 26# $FreeBSD$ 27# 28# Generates tables_linux.h 29# 30 31set -e 32 33LC_ALL=C; export LC_ALL 34 35if [ -z "$1" ] 36then 37 echo "usage: sh $0 include-dir [output-file]" 38 exit 1 39fi 40include_dir=$1 41if [ -n "$2" ]; then 42 output_file="$2" 43 output_tmp=$(mktemp -u) 44 exec > "$output_tmp" 45fi 46 47all_headers= 48# 49# Generate a table C #definitions. The including file can define the 50# TABLE_NAME(n), TABLE_ENTRY(x), and TABLE_END macros to define what 51# the tables map to. 52# 53gen_table() 54{ 55 local name grep file excl filter 56 name=$1 57 grep=$2 58 file=$3 59 excl=$4 60 61 if [ -z "$excl" ]; then 62 filter="cat" 63 else 64 filter="egrep -v" 65 fi 66 cat <<_EOF_ 67TABLE_START(${name}) 68_EOF_ 69 if [ -e "${include_dir}/${file}" ]; then 70 all_headers="${all_headers:+${all_headers} }${file}" 71 egrep "^#[[:space:]]*define[[:space:]]+"${grep}"[[:space:]]*" \ 72 $include_dir/$file | ${filter} ${excl} | \ 73 awk '{ for (i = 1; i <= NF; i++) \ 74 if ($i ~ /define/) \ 75 break; \ 76 ++i; \ 77 sub(/LINUX_/, "", $i); \ 78 printf "TABLE_ENTRY(LINUX_%s, %s)\n", $i, $i }' 79 fi 80cat <<_EOF_ 81TABLE_END 82 83_EOF_ 84} 85 86cat <<_EOF_ 87/* This file is auto-generated. */ 88 89_EOF_ 90 91gen_table "atflags" "LINUX_AT_[A-Z_]+[[:space:]]+[0-9]+" "compat/linux/linux_file.h" 92gen_table "clockids" "LINUX_CLOCK_[A-Z_]+[[:space:]]+[0-9]+" "compat/linux/linux_time.h" 93gen_table "clockflags" "LINUX_TIMER_[A-Z_]+[[:space:]]+0x[0-9]+" "compat/linux/linux_time.h" 94gen_table "clockcpuids" "LINUX_CPUCLOCK_[A-Z_]+[[:space:]]+[0-9]+" "compat/linux/linux_time.h" "_MASK|_MAX" 95gen_table "openflags" "LINUX_O_[A-Z_]+[[:space:]]+[0-9]+" "compat/linux/linux_file.h" "O_RDONLY|O_RDWR|O_WRONLY|O_ACCMODE" 96gen_table "sigprocmaskhow" "LINUX_SIG_[A-Z]+[[:space:]]+[0-9]+" "compat/linux/linux.h" 97 98# Generate a .depend file for our output file 99if [ -n "$output_file" ]; then 100 depend_tmp=$(mktemp -u) 101 { 102 echo "$output_file: \\" 103 echo "$all_headers" | tr ' ' '\n' | sort -u | 104 sed -e "s,^, $include_dir/," -e 's,$, \\,' 105 echo 106 } > "$depend_tmp" 107 if cmp -s "$output_tmp" "$output_file"; then 108 rm -f "$output_tmp" "$depend_tmp" 109 else 110 mv -f "$depend_tmp" ".depend.${output_file}" 111 mv -f "$output_tmp" "$output_file" 112 fi 113fi 114