bd23fbbd0
Denis Vlasenko
2008-05-24
Subject
docs/depmod: and example of depmod in shell/sed/awk...
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docs/depmod+57 -0
| @@ -0,0 +1,57 @@ | |
| + | #!/bin/sh |
| + | # |
| + | # Simple depmod, use to generate modprobe.conf |
| + | # |
| + | # Copyright (C) 2008 by Vladimir Dronnikov <[email protected]> |
| + | # |
| + | # Licensed under GPLv2 |
| + | # |
| + | |
| + | local BASE="${1:-/usr/lib/modules}" |
| + | |
| + | find "$BASE" -name '*.ko.gz' | while read I ; do |
| + | N=`basename "$I" '.ko.gz'` |
| + | echo -n "@$N" |
| + | zcat "$I" | strings | grep '^depends=' | sed -e 's/^depends=$//' -e 's/^depends=/,/' -e 's/,/ @/g' |
| + | done | awk ' |
| + | { |
| + | # modules which has no dependencies are resolved |
| + | if ( NF == 1 ) { res[$1] = ""; next } |
| + | # others have to be resolved based on those which already resolved |
| + | i = $1; $1 = ""; deps[i] = $0; ++ndeps |
| + | } |
| + | END { |
| + | # resolve implicit dependencies |
| + | while ( ndeps ) for (mod in deps) { |
| + | if ( index(deps[mod], "@") > 0 ) { |
| + | $0 = deps[mod] |
| + | for ( i=1; i<=NF; ++i ) { |
| + | if ( substr($i,1,1) == "@" ) { |
| + | if ( $i in res ) { |
| + | $i = res[$i] " " substr($i,2) |
| + | } |
| + | } |
| + | } |
| + | deps[mod] = $0 |
| + | } else { |
| + | res[mod] = deps[mod] |
| + | delete deps[mod] |
| + | --ndeps |
| + | } |
| + | } |
| + | |
| + | # output dependencies in modules.dep format |
| + | for ( mod in res ) { |
| + | $0 = res[mod] |
| + | s = "" |
| + | delete a |
| + | for ( i=1; i<=NF; ++i ) { |
| + | if ( ! ($i in a) ) { |
| + | a[$i] = $i |
| + | s = " ," $i s |
| + | } |
| + | } |
| + | print "," substr(mod,2) ":" s |
| + | } |
| + | } |
| + | ' | sort | sed -r -e "s!,([^,: ]*)!/usr/lib/modules/\\1.ko.gz!g" |