| #! /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 22 scsi/sg.h |
| lookup_ioctls 46 linux/fb.h |
| lookup_ioctls 4B linux/kd.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/*" |
| ) |
| 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 |