#! /bin/sh # # Copyright (c) 2001 Wichert Akkerman <wichert@cistron.nl> # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # 3. The name of the author may not be used to endorse or promote products # derived from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # $Id$ # # Validate arg count. case $# in 1) dir="$1" asm=asm ;; 2) dir="$1" asm="$2" ;; *) echo "usage: $0 include-directory [asm-subdirectory]" >&2 exit 1 ;; esac lookup_ioctls() { type="$1" shift # Build the list of all ioctls regexp='^[[:space:]]*#[[:space:]]*define[[:space:]]\+[A-Z][A-Z0-9_]*[[:space:]]\+0x'"$type"'..\>' (cd "$dir" && grep "$regexp" "$@" /dev/null 2>/dev/null) | sed -ne "s,$asm/,asm/,g"' s/^\(.*\):[[:space:]]*#[[:space:]]*define[[:space:]]*\([A-Z0-9_]*\)[[:space:]]*\(0x'"$type"'..\).*/ { "\1", "\2", \3 },/p' \ >> ioctls.h } > ioctls.h lookup_ioctls 03 linux/hdreg.h lookup_ioctls 22 scsi/sg.h lookup_ioctls 46 linux/fb.h lookup_ioctls 4B linux/kd.h lookup_ioctls 4C linux/loop.h lookup_ioctls 53 linux/cdrom.h scsi/scsi.h scsi/scsi_ioctl.h lookup_ioctls 54 $asm/ioctls.h asm-generic/ioctls.h lookup_ioctls 56 linux/vt.h lookup_ioctls '7[12]' linux/videotext.h lookup_ioctls 89 $asm/sockios.h asm-generic/sockios.h linux/sockios.h lookup_ioctls 8B linux/wireless.h if [ -e $dir/Kbuild ]; then # kernel has exported user space headers, so query only them files=$( cd $dir || exit find . -mindepth 2 -name Kbuild | \ sed -e 's:^\./::' -e 's:/Kbuild:/*:' | \ grep -v '^asm-' echo "$asm/* asm-generic/*" ) # special case: some headers aren't exported directly files="${files} media/* net/bluetooth/* pcmcia/*" else # older kernel so just assume some headers files="linux/* $asm/* asm-generic/* scsi/* sound/*" fi # Build the list of all ioctls # Example output: # { "asm/ioctls.h", "TIOCSWINSZ", 0x5414 }, # { "asm/mce.h", "MCE_GETCLEAR_FLAGS", _IOC(_IOC_NONE,'M',3,0) }, regexp='^[[:space:]]*#[[:space:]]*define[[:space:]]\+[A-Z][A-Z0-9_]*[[:space:]]\+_S\?\(IO\|IOW\|IOR\|IOWR\)\>' (cd $dir && grep $regexp $files 2>/dev/null) | \ sed -n \ -e "s,$asm/,asm/,g" \ -e 's/^\(.*\):[[:space:]]*#[[:space:]]*define[[:space:]]*\([A-Z0-9_]*\)[[:space:]]*_S\?I.*(\([^[,]*\)[[:space:]]*,[[:space:]]*\([^,)]*\).*/ { "\1", "\2", _IOC(_IOC_NONE,\3,\4,0) },/p' \ >> ioctls.h # Sort and drop dups? # sort -u <ioctls.h >ioctls1.h && mv ioctls1.h ioctls.h > ioctldefs.h # Collect potential ioctl names. ('bases' is a bad name. Sigh) # Some use a special base to offset their ioctls on. Extract that as well. # Some use 2 defines: _IOC(_IOC_NONE,DM_IOCTL,DM_LIST_DEVICES_CMD,....) bases=$(sed -n \ -e 's/.*_IOC_NONE.*,[[:space:]]*\([A-Z][A-Z0-9_]\+\)[[:space:]]*,[[:space:]]*\([A-Z][A-Z0-9_]\+\)[[:space:]+,].*/\1\n\2/p' \ -e 's/.*_IOC_NONE.*,[[:space:]]*\([A-Z][A-Z0-9_]\+\)[[:space:]+,].*/\1/p' \ ioctls.h | sort -u) for base in $bases; do echo "Looking for $base" regexp="^[[:space:]]*#[[:space:]]*define[[:space:]]\+$base" line=$( (cd $dir && grep -h $regexp 2>/dev/null $files) | grep -v '\<_IO') if [ x"$line" != x ]; then echo "$base is a #define" # "($line)" echo "$line" >> ioctldefs.h fi if ! grep "\<$base\>" ioctldefs.h >/dev/null 2>/dev/null; then # Not all ioctl's are defines ... some (like the DM_* stuff) # are enums, so we have to extract that crap ourself ( cd $dir || exit # -P: inhibit generation of linemarkers ${CPP:-cpp} -P $(grep -l $base $files 2>/dev/null) | sed '/^$/d' | \ awk -v base="$base" '{ if ($1 == "enum") { val = 0 while ($NF != "};") { if (!getline) exit gsub(/,/, "") if ($0 ~ /=/) val = $NF if ($1 == base) { print "#define " base " (" val ")" exit } val++ } } }' ) >> ioctldefs.h if ! grep "\<$base\>" ioctldefs.h >/dev/null 2>/dev/null; then echo "Can't find the definition for $base" else echo "$base is an enum" fi fi done # Sort and drop dups? # sort -u <ioctldefs.h >ioctldefs1.h && mv ioctldefs1.h ioctldefs.h