The Android Open Source Project | 34d6eab | 2009-03-03 19:30:45 -0800 | [diff] [blame] | 1 | #! /bin/sh |
The Android Open Source Project | 34d6eab | 2009-03-03 19:30:45 -0800 | [diff] [blame] | 2 | # Copyright (c) 2001 Wichert Akkerman <wichert@cistron.nl> |
| 3 | # 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 | # 3. The name of the author may not be used to endorse or promote products |
| 14 | # derived from this software without specific prior written permission. |
| 15 | # |
| 16 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 17 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 18 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 19 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 20 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 21 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 22 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 23 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 24 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 25 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
The Android Open Source Project | 34d6eab | 2009-03-03 19:30:45 -0800 | [diff] [blame] | 26 | |
| 27 | # Validate arg count. |
| 28 | case $# in |
| 29 | 1) |
| 30 | dir="$1" |
| 31 | asm=asm |
| 32 | ;; |
| 33 | 2) |
| 34 | dir="$1" |
| 35 | asm="$2" |
| 36 | ;; |
| 37 | *) |
| 38 | echo "usage: $0 include-directory [asm-subdirectory]" >&2 |
| 39 | exit 1 |
| 40 | ;; |
| 41 | esac |
| 42 | |
| 43 | lookup_ioctls() |
| 44 | { |
| 45 | type="$1" |
| 46 | shift |
| 47 | |
| 48 | # Build the list of all ioctls |
| 49 | regexp='^[[:space:]]*#[[:space:]]*define[[:space:]]\+[A-Z][A-Z0-9_]*[[:space:]]\+0x'"$type"'..\>' |
Elliott Hughes | 15fc6a2 | 2014-01-09 10:30:06 -0800 | [diff] [blame] | 50 | (cd "$dir" && for f; do grep "$regexp" "$f" "uapi/$f" 2>/dev/null; done) | |
The Android Open Source Project | 34d6eab | 2009-03-03 19:30:45 -0800 | [diff] [blame] | 51 | sed -ne "s,$asm/,asm/,g"' |
| 52 | s/^\(.*\):[[:space:]]*#[[:space:]]*define[[:space:]]*\([A-Z0-9_]*\)[[:space:]]*\(0x'"$type"'..\).*/ { "\1", "\2", \3 },/p' \ |
| 53 | >> ioctls.h |
| 54 | } |
| 55 | |
Jeff Brown | f76f96e | 2012-03-02 16:23:23 -0800 | [diff] [blame] | 56 | > ioctls.h |
| 57 | |
| 58 | lookup_ioctls 03 linux/hdreg.h |
The Android Open Source Project | 34d6eab | 2009-03-03 19:30:45 -0800 | [diff] [blame] | 59 | lookup_ioctls 22 scsi/sg.h |
| 60 | lookup_ioctls 46 linux/fb.h |
| 61 | lookup_ioctls 4B linux/kd.h |
Jeff Brown | f76f96e | 2012-03-02 16:23:23 -0800 | [diff] [blame] | 62 | lookup_ioctls 4C linux/loop.h |
The Android Open Source Project | 34d6eab | 2009-03-03 19:30:45 -0800 | [diff] [blame] | 63 | lookup_ioctls 53 linux/cdrom.h scsi/scsi.h scsi/scsi_ioctl.h |
Jeff Brown | f76f96e | 2012-03-02 16:23:23 -0800 | [diff] [blame] | 64 | lookup_ioctls 54 $asm/ioctls.h asm-generic/ioctls.h |
The Android Open Source Project | 34d6eab | 2009-03-03 19:30:45 -0800 | [diff] [blame] | 65 | lookup_ioctls 56 linux/vt.h |
| 66 | lookup_ioctls '7[12]' linux/videotext.h |
Jeff Brown | f76f96e | 2012-03-02 16:23:23 -0800 | [diff] [blame] | 67 | lookup_ioctls 89 $asm/sockios.h asm-generic/sockios.h linux/sockios.h |
The Android Open Source Project | 34d6eab | 2009-03-03 19:30:45 -0800 | [diff] [blame] | 68 | lookup_ioctls 8B linux/wireless.h |
| 69 | |
Jeff Brown | f76f96e | 2012-03-02 16:23:23 -0800 | [diff] [blame] | 70 | if [ -e $dir/Kbuild ]; then |
| 71 | # kernel has exported user space headers, so query only them |
| 72 | files=$( |
| 73 | cd $dir || exit |
| 74 | find . -mindepth 2 -name Kbuild | \ |
| 75 | sed -e 's:^\./::' -e 's:/Kbuild:/*:' | \ |
| 76 | grep -v '^asm-' |
| 77 | echo "$asm/* asm-generic/*" |
| 78 | ) |
| 79 | # special case: some headers aren't exported directly |
| 80 | files="${files} media/* net/bluetooth/* pcmcia/*" |
| 81 | else |
| 82 | # older kernel so just assume some headers |
| 83 | files="linux/* $asm/* asm-generic/* scsi/* sound/*" |
| 84 | fi |
The Android Open Source Project | 34d6eab | 2009-03-03 19:30:45 -0800 | [diff] [blame] | 85 | |
| 86 | # Build the list of all ioctls |
Jeff Brown | f76f96e | 2012-03-02 16:23:23 -0800 | [diff] [blame] | 87 | # Example output: |
| 88 | # { "asm/ioctls.h", "TIOCSWINSZ", 0x5414 }, |
| 89 | # { "asm/mce.h", "MCE_GETCLEAR_FLAGS", _IOC(_IOC_NONE,'M',3,0) }, |
The Android Open Source Project | 34d6eab | 2009-03-03 19:30:45 -0800 | [diff] [blame] | 90 | regexp='^[[:space:]]*#[[:space:]]*define[[:space:]]\+[A-Z][A-Z0-9_]*[[:space:]]\+_S\?\(IO\|IOW\|IOR\|IOWR\)\>' |
Jeff Brown | f76f96e | 2012-03-02 16:23:23 -0800 | [diff] [blame] | 91 | (cd $dir && grep $regexp $files 2>/dev/null) | \ |
| 92 | sed -n \ |
| 93 | -e "s,$asm/,asm/,g" \ |
| 94 | -e 's/^\(.*\):[[:space:]]*#[[:space:]]*define[[:space:]]*\([A-Z0-9_]*\)[[:space:]]*_S\?I.*(\([^[,]*\)[[:space:]]*,[[:space:]]*\([^,)]*\).*/ { "\1", "\2", _IOC(_IOC_NONE,\3,\4,0) },/p' \ |
The Android Open Source Project | 34d6eab | 2009-03-03 19:30:45 -0800 | [diff] [blame] | 95 | >> ioctls.h |
| 96 | |
Elliott Hughes | 15fc6a2 | 2014-01-09 10:30:06 -0800 | [diff] [blame] | 97 | # Strip uapi/ prefix |
| 98 | sed -i 's|"uapi/|"|' ioctls.h |
| 99 | |
| 100 | # Sort and drop dups |
| 101 | sort -u -o ioctls.h ioctls.h |
The Android Open Source Project | 34d6eab | 2009-03-03 19:30:45 -0800 | [diff] [blame] | 102 | |
Jeff Brown | f76f96e | 2012-03-02 16:23:23 -0800 | [diff] [blame] | 103 | > ioctldefs.h |
| 104 | |
| 105 | # Collect potential ioctl names. ('bases' is a bad name. Sigh) |
| 106 | # Some use a special base to offset their ioctls on. Extract that as well. |
| 107 | # Some use 2 defines: _IOC(_IOC_NONE,DM_IOCTL,DM_LIST_DEVICES_CMD,....) |
| 108 | bases=$(sed -n \ |
| 109 | -e 's/.*_IOC_NONE.*,[[:space:]]*\([A-Z][A-Z0-9_]\+\)[[:space:]]*,[[:space:]]*\([A-Z][A-Z0-9_]\+\)[[:space:]+,].*/\1\n\2/p' \ |
| 110 | -e 's/.*_IOC_NONE.*,[[:space:]]*\([A-Z][A-Z0-9_]\+\)[[:space:]+,].*/\1/p' \ |
| 111 | ioctls.h | sort -u) |
| 112 | |
| 113 | for base in $bases; do |
The Android Open Source Project | 34d6eab | 2009-03-03 19:30:45 -0800 | [diff] [blame] | 114 | echo "Looking for $base" |
| 115 | regexp="^[[:space:]]*#[[:space:]]*define[[:space:]]\+$base" |
Jeff Brown | f76f96e | 2012-03-02 16:23:23 -0800 | [diff] [blame] | 116 | line=$( (cd $dir && grep -h $regexp 2>/dev/null $files) | grep -v '\<_IO') |
| 117 | if [ x"$line" != x ]; then |
| 118 | echo "$base is a #define" # "($line)" |
| 119 | echo "$line" >> ioctldefs.h |
| 120 | fi |
| 121 | |
| 122 | if ! grep "\<$base\>" ioctldefs.h >/dev/null 2>/dev/null; then |
| 123 | # Not all ioctl's are defines ... some (like the DM_* stuff) |
| 124 | # are enums, so we have to extract that crap ourself |
| 125 | ( |
| 126 | cd $dir || exit |
| 127 | # -P: inhibit generation of linemarkers |
| 128 | ${CPP:-cpp} -P $(grep -l $base $files 2>/dev/null) | sed '/^$/d' | \ |
| 129 | awk -v base="$base" '{ |
| 130 | if ($1 == "enum") { |
| 131 | val = 0 |
| 132 | while ($NF != "};") { |
| 133 | if (!getline) |
| 134 | exit |
| 135 | gsub(/,/, "") |
| 136 | if ($0 ~ /=/) |
| 137 | val = $NF |
| 138 | if ($1 == base) { |
| 139 | print "#define " base " (" val ")" |
| 140 | exit |
| 141 | } |
| 142 | val++ |
| 143 | } |
| 144 | } |
| 145 | }' |
| 146 | ) >> ioctldefs.h |
| 147 | if ! grep "\<$base\>" ioctldefs.h >/dev/null 2>/dev/null; then |
| 148 | echo "Can't find the definition for $base" |
| 149 | else |
| 150 | echo "$base is an enum" |
| 151 | fi |
| 152 | fi |
The Android Open Source Project | 34d6eab | 2009-03-03 19:30:45 -0800 | [diff] [blame] | 153 | done |
Jeff Brown | f76f96e | 2012-03-02 16:23:23 -0800 | [diff] [blame] | 154 | |
| 155 | # Sort and drop dups? |
| 156 | # sort -u <ioctldefs.h >ioctldefs1.h && mv ioctldefs1.h ioctldefs.h |