1 #! /bin/sh 2 # 3 # Copyright (c) 2001 Wichert Akkerman <wichert (at] cistron.nl> 4 # All rights reserved. 5 # 6 # Redistribution and use in source and binary forms, with or without 7 # modification, are permitted provided that the following conditions 8 # are met: 9 # 1. Redistributions of source code must retain the above copyright 10 # notice, this list of conditions and the following disclaimer. 11 # 2. Redistributions in binary form must reproduce the above copyright 12 # notice, this list of conditions and the following disclaimer in the 13 # documentation and/or other materials provided with the distribution. 14 # 3. The name of the author may not be used to endorse or promote products 15 # derived from this software without specific prior written permission. 16 # 17 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 # 28 # $Id$ 29 # 30 31 # Validate arg count. 32 case $# in 33 1) 34 dir="$1" 35 asm=asm 36 ;; 37 2) 38 dir="$1" 39 asm="$2" 40 ;; 41 *) 42 echo "usage: $0 include-directory [asm-subdirectory]" >&2 43 exit 1 44 ;; 45 esac 46 47 lookup_ioctls() 48 { 49 type="$1" 50 shift 51 52 # Build the list of all ioctls 53 regexp='^[[:space:]]*#[[:space:]]*define[[:space:]]\+[A-Z][A-Z0-9_]*[[:space:]]\+0x'"$type"'..\>' 54 (cd "$dir" && grep "$regexp" "$@" /dev/null 2>/dev/null) | 55 sed -ne "s,$asm/,asm/,g"' 56 s/^\(.*\):[[:space:]]*#[[:space:]]*define[[:space:]]*\([A-Z0-9_]*\)[[:space:]]*\(0x'"$type"'..\).*/ { "\1", "\2", \3 },/p' \ 57 >> ioctls.h 58 } 59 60 61 > ioctls.h 62 63 lookup_ioctls 03 linux/hdreg.h 64 lookup_ioctls 22 scsi/sg.h 65 lookup_ioctls 46 linux/fb.h 66 lookup_ioctls 4B linux/kd.h 67 lookup_ioctls 4C linux/loop.h 68 lookup_ioctls 53 linux/cdrom.h scsi/scsi.h scsi/scsi_ioctl.h 69 lookup_ioctls 54 $asm/ioctls.h asm-generic/ioctls.h 70 lookup_ioctls 56 linux/vt.h 71 lookup_ioctls '7[12]' linux/videotext.h 72 lookup_ioctls 89 $asm/sockios.h asm-generic/sockios.h linux/sockios.h 73 lookup_ioctls 8B linux/wireless.h 74 75 if [ -e $dir/Kbuild ]; then 76 # kernel has exported user space headers, so query only them 77 files=$( 78 cd $dir || exit 79 find . -mindepth 2 -name Kbuild | \ 80 sed -e 's:^\./::' -e 's:/Kbuild:/*:' | \ 81 grep -v '^asm-' 82 echo "$asm/* asm-generic/*" 83 ) 84 # special case: some headers aren't exported directly 85 files="${files} media/* net/bluetooth/* pcmcia/*" 86 else 87 # older kernel so just assume some headers 88 files="linux/* $asm/* asm-generic/* scsi/* sound/*" 89 fi 90 91 # Build the list of all ioctls 92 # Example output: 93 # { "asm/ioctls.h", "TIOCSWINSZ", 0x5414 }, 94 # { "asm/mce.h", "MCE_GETCLEAR_FLAGS", _IOC(_IOC_NONE,'M',3,0) }, 95 regexp='^[[:space:]]*#[[:space:]]*define[[:space:]]\+[A-Z][A-Z0-9_]*[[:space:]]\+_S\?\(IO\|IOW\|IOR\|IOWR\)\>' 96 (cd $dir && grep $regexp $files 2>/dev/null) | \ 97 sed -n \ 98 -e "s,$asm/,asm/,g" \ 99 -e 's/^\(.*\):[[:space:]]*#[[:space:]]*define[[:space:]]*\([A-Z0-9_]*\)[[:space:]]*_S\?I.*(\([^[,]*\)[[:space:]]*,[[:space:]]*\([^,)]*\).*/ { "\1", "\2", _IOC(_IOC_NONE,\3,\4,0) },/p' \ 100 >> ioctls.h 101 102 # Sort and drop dups? 103 # sort -u <ioctls.h >ioctls1.h && mv ioctls1.h ioctls.h 104 105 106 > ioctldefs.h 107 108 # Collect potential ioctl names. ('bases' is a bad name. Sigh) 109 # Some use a special base to offset their ioctls on. Extract that as well. 110 # Some use 2 defines: _IOC(_IOC_NONE,DM_IOCTL,DM_LIST_DEVICES_CMD,....) 111 bases=$(sed -n \ 112 -e 's/.*_IOC_NONE.*,[[:space:]]*\([A-Z][A-Z0-9_]\+\)[[:space:]]*,[[:space:]]*\([A-Z][A-Z0-9_]\+\)[[:space:]+,].*/\1\n\2/p' \ 113 -e 's/.*_IOC_NONE.*,[[:space:]]*\([A-Z][A-Z0-9_]\+\)[[:space:]+,].*/\1/p' \ 114 ioctls.h | sort -u) 115 116 for base in $bases; do 117 echo "Looking for $base" 118 regexp="^[[:space:]]*#[[:space:]]*define[[:space:]]\+$base" 119 line=$( (cd $dir && grep -h $regexp 2>/dev/null $files) | grep -v '\<_IO') 120 if [ x"$line" != x ]; then 121 echo "$base is a #define" # "($line)" 122 echo "$line" >> ioctldefs.h 123 fi 124 125 if ! grep "\<$base\>" ioctldefs.h >/dev/null 2>/dev/null; then 126 # Not all ioctl's are defines ... some (like the DM_* stuff) 127 # are enums, so we have to extract that crap ourself 128 ( 129 cd $dir || exit 130 # -P: inhibit generation of linemarkers 131 ${CPP:-cpp} -P $(grep -l $base $files 2>/dev/null) | sed '/^$/d' | \ 132 awk -v base="$base" '{ 133 if ($1 == "enum") { 134 val = 0 135 while ($NF != "};") { 136 if (!getline) 137 exit 138 gsub(/,/, "") 139 if ($0 ~ /=/) 140 val = $NF 141 if ($1 == base) { 142 print "#define " base " (" val ")" 143 exit 144 } 145 val++ 146 } 147 } 148 }' 149 ) >> ioctldefs.h 150 if ! grep "\<$base\>" ioctldefs.h >/dev/null 2>/dev/null; then 151 echo "Can't find the definition for $base" 152 else 153 echo "$base is an enum" 154 fi 155 fi 156 done 157 158 # Sort and drop dups? 159 # sort -u <ioctldefs.h >ioctldefs1.h && mv ioctldefs1.h ioctldefs.h 160
