Dmitry V. Levin
e83e157021
Suppress repeated empty lines left after automated code removal. This change was made by filtering every source code file through "cat -s".
158 lines
5.1 KiB
Bash
Executable File
158 lines
5.1 KiB
Bash
Executable File
#! /bin/sh
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#
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# Copyright (c) 2001 Wichert Akkerman <wichert@cistron.nl>
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# 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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# 3. The name of the author may not be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# $Id$
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#
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# Validate arg count.
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case $# in
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1)
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dir="$1"
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asm=asm
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;;
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2)
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dir="$1"
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asm="$2"
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;;
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*)
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echo "usage: $0 include-directory [asm-subdirectory]" >&2
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exit 1
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;;
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esac
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lookup_ioctls()
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{
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type="$1"
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shift
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# Build the list of all ioctls
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regexp='^[[:space:]]*#[[:space:]]*define[[:space:]]\+[A-Z][A-Z0-9_]*[[:space:]]\+0x'"$type"'..\>'
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(cd "$dir" && grep "$regexp" "$@" /dev/null 2>/dev/null) |
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sed -ne "s,$asm/,asm/,g"'
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s/^\(.*\):[[:space:]]*#[[:space:]]*define[[:space:]]*\([A-Z0-9_]*\)[[:space:]]*\(0x'"$type"'..\).*/ { "\1", "\2", \3 },/p' \
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>> ioctls.h
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}
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> ioctls.h
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lookup_ioctls 03 linux/hdreg.h
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lookup_ioctls 22 scsi/sg.h
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lookup_ioctls 46 linux/fb.h
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lookup_ioctls 4B linux/kd.h
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lookup_ioctls 4C linux/loop.h
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lookup_ioctls 53 linux/cdrom.h scsi/scsi.h scsi/scsi_ioctl.h
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lookup_ioctls 54 $asm/ioctls.h asm-generic/ioctls.h
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lookup_ioctls 56 linux/vt.h
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lookup_ioctls '7[12]' linux/videotext.h
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lookup_ioctls 89 $asm/sockios.h asm-generic/sockios.h linux/sockios.h
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lookup_ioctls 8B linux/wireless.h
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if [ -e $dir/Kbuild ]; then
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# kernel has exported user space headers, so query only them
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files=$(
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cd $dir || exit
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find . -mindepth 2 -name Kbuild | \
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sed -e 's:^\./::' -e 's:/Kbuild:/*:' | \
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grep -v '^asm-'
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echo "$asm/* asm-generic/*"
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)
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# special case: some headers aren't exported directly
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files="${files} media/* net/bluetooth/* pcmcia/*"
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else
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# older kernel so just assume some headers
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files="linux/* $asm/* asm-generic/* scsi/* sound/*"
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fi
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# Build the list of all ioctls
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# Example output:
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# { "asm/ioctls.h", "TIOCSWINSZ", 0x5414 },
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# { "asm/mce.h", "MCE_GETCLEAR_FLAGS", _IOC(_IOC_NONE,'M',3,0) },
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regexp='^[[:space:]]*#[[:space:]]*define[[:space:]]\+[A-Z][A-Z0-9_]*[[:space:]]\+_S\?\(IO\|IOW\|IOR\|IOWR\)\>'
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(cd $dir && grep $regexp $files 2>/dev/null) | \
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sed -n \
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-e "s,$asm/,asm/,g" \
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-e 's/^\(.*\):[[:space:]]*#[[:space:]]*define[[:space:]]*\([A-Z0-9_]*\)[[:space:]]*_S\?I.*(\([^[,]*\)[[:space:]]*,[[:space:]]*\([^,)]*\).*/ { "\1", "\2", _IOC(_IOC_NONE,\3,\4,0) },/p' \
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>> ioctls.h
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# Sort and drop dups?
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# sort -u <ioctls.h >ioctls1.h && mv ioctls1.h ioctls.h
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> ioctldefs.h
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# Collect potential ioctl names. ('bases' is a bad name. Sigh)
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# Some use a special base to offset their ioctls on. Extract that as well.
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# Some use 2 defines: _IOC(_IOC_NONE,DM_IOCTL,DM_LIST_DEVICES_CMD,....)
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bases=$(sed -n \
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-e 's/.*_IOC_NONE.*,[[:space:]]*\([A-Z][A-Z0-9_]\+\)[[:space:]]*,[[:space:]]*\([A-Z][A-Z0-9_]\+\)[[:space:]+,].*/\1\n\2/p' \
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-e 's/.*_IOC_NONE.*,[[:space:]]*\([A-Z][A-Z0-9_]\+\)[[:space:]+,].*/\1/p' \
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ioctls.h | sort -u)
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for base in $bases; do
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echo "Looking for $base"
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regexp="^[[:space:]]*#[[:space:]]*define[[:space:]]\+$base"
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line=$( (cd $dir && grep -h $regexp 2>/dev/null $files) | grep -v '\<_IO')
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if [ x"$line" != x ]; then
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echo "$base is a #define" # "($line)"
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echo "$line" >> ioctldefs.h
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fi
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if ! grep "\<$base\>" ioctldefs.h >/dev/null 2>/dev/null; then
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# Not all ioctl's are defines ... some (like the DM_* stuff)
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# are enums, so we have to extract that crap ourself
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(
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cd $dir || exit
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# -P: inhibit generation of linemarkers
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${CPP:-cpp} -P $(grep -l $base $files 2>/dev/null) | sed '/^$/d' | \
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awk -v base="$base" '{
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if ($1 == "enum") {
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val = 0
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while ($NF != "};") {
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if (!getline)
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exit
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gsub(/,/, "")
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if ($0 ~ /=/)
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val = $NF
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if ($1 == base) {
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print "#define " base " (" val ")"
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exit
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}
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val++
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}
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}
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}'
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) >> ioctldefs.h
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if ! grep "\<$base\>" ioctldefs.h >/dev/null 2>/dev/null; then
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echo "Can't find the definition for $base"
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else
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echo "$base is an enum"
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fi
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fi
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done
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# Sort and drop dups?
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# sort -u <ioctldefs.h >ioctldefs1.h && mv ioctldefs1.h ioctldefs.h
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