Merge branch 'btrfs-3.0' of git://github.com/chrismason/linux
[linux-btrfs-devel.git] / scripts / tags.sh
blob75c5d24f1993ae009aedf2b12bd33f7dd9360b25
1 #!/bin/sh
2 # Generate tags or cscope files
3 # Usage tags.sh <mode>
5 # mode may be any of: tags, TAGS, cscope
7 # Uses the following environment variables:
8 # ARCH, SUBARCH, SRCARCH, srctree, src, obj
10 if [ "$KBUILD_VERBOSE" = "1" ]; then
11 set -x
14 # This is a duplicate of RCS_FIND_IGNORE without escaped '()'
15 ignore="( -name SCCS -o -name BitKeeper -o -name .svn -o \
16 -name CVS -o -name .pc -o -name .hg -o \
17 -name .git ) \
18 -prune -o"
20 # Do not use full path if we do not use O=.. builds
21 # Use make O=. {tags|cscope}
22 # to force full paths for a non-O= build
23 if [ "${KBUILD_SRC}" = "" ]; then
24 tree=
25 else
26 tree=${srctree}/
29 # Find all available archs
30 find_all_archs()
32 ALLSOURCE_ARCHS=""
33 for arch in `ls ${tree}arch`; do
34 ALLSOURCE_ARCHS="${ALLSOURCE_ARCHS} "${arch##\/}
35 done
38 # Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH
39 if [ "${ALLSOURCE_ARCHS}" = "" ]; then
40 ALLSOURCE_ARCHS=${SRCARCH}
41 elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then
42 find_all_archs
45 # find sources in arch/$ARCH
46 find_arch_sources()
48 for i in $archincludedir; do
49 prune="$prune -wholename $i -prune -o"
50 done
51 find ${tree}arch/$1 $ignore $prune -name "$2" -print;
54 # find sources in arch/$1/include
55 find_arch_include_sources()
57 include=$(find ${tree}arch/$1/ -name include -type d);
58 if [ -n "$include" ]; then
59 archincludedir="$archincludedir $include"
60 find $include $ignore -name "$2" -print;
64 # find sources in include/
65 find_include_sources()
67 find ${tree}include $ignore -name config -prune -o -name "$1" -print;
70 # find sources in rest of tree
71 # we could benefit from a list of dirs to search in here
72 find_other_sources()
74 find ${tree}* $ignore \
75 \( -name include -o -name arch -o -name '.tmp_*' \) -prune -o \
76 -name "$1" -print;
79 find_sources()
81 find_arch_sources $1 "$2"
84 all_sources()
86 find_arch_include_sources ${SRCARCH} '*.[chS]'
87 if [ ! -z "$archinclude" ]; then
88 find_arch_include_sources $archinclude '*.[chS]'
90 find_include_sources '*.[chS]'
91 for arch in $ALLSOURCE_ARCHS
93 find_sources $arch '*.[chS]'
94 done
95 find_other_sources '*.[chS]'
98 all_kconfigs()
100 for arch in $ALLSOURCE_ARCHS; do
101 find_sources $arch 'Kconfig*'
102 done
103 find_other_sources 'Kconfig*'
106 all_defconfigs()
108 find_sources $ALLSOURCE_ARCHS "defconfig"
111 docscope()
113 (echo \-k; echo \-q; all_sources) > cscope.files
114 cscope -b -f cscope.out
117 dogtags()
119 all_sources | gtags -f -
122 exuberant()
124 all_sources | xargs $1 -a \
125 -I __initdata,__exitdata,__acquires,__releases \
126 -I __read_mostly,____cacheline_aligned \
127 -I ____cacheline_aligned_in_smp \
128 -I ____cacheline_internodealigned_in_smp \
129 -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \
130 -I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
131 --extra=+f --c-kinds=+px \
132 --regex-asm='/^ENTRY\(([^)]*)\).*/\1/' \
133 --regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/' \
134 --regex-c++='/^TRACE_EVENT\(([^,)]*).*/trace_\1/' \
135 --regex-c++='/^DEFINE_EVENT\([^,)]*, *([^,)]*).*/trace_\1/'
137 all_kconfigs | xargs $1 -a \
138 --langdef=kconfig --language-force=kconfig \
139 --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/'
141 all_kconfigs | xargs $1 -a \
142 --langdef=kconfig --language-force=kconfig \
143 --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/CONFIG_\2/'
145 all_defconfigs | xargs -r $1 -a \
146 --langdef=dotconfig --language-force=dotconfig \
147 --regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/'
151 emacs()
153 all_sources | xargs $1 -a \
154 --regex='/^ENTRY(\([^)]*\)).*/\1/' \
155 --regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/' \
156 --regex='/^TRACE_EVENT(\([^,)]*\).*/trace_\1/' \
157 --regex='/^DEFINE_EVENT([^,)]*, *\([^,)]*\).*/trace_\1/'
159 all_kconfigs | xargs $1 -a \
160 --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/'
162 all_kconfigs | xargs $1 -a \
163 --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/CONFIG_\3/'
165 all_defconfigs | xargs -r $1 -a \
166 --regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/'
169 xtags()
171 if $1 --version 2>&1 | grep -iq exuberant; then
172 exuberant $1
173 elif $1 --version 2>&1 | grep -iq emacs; then
174 emacs $1
175 else
176 all_sources | xargs $1 -a
181 # Support um (which uses SUBARCH)
182 if [ "${ARCH}" = "um" ]; then
183 if [ "$SUBARCH" = "i386" ]; then
184 archinclude=x86
185 elif [ "$SUBARCH" = "x86_64" ]; then
186 archinclude=x86
187 else
188 archinclude=${SUBARCH}
192 case "$1" in
193 "cscope")
194 docscope
197 "gtags")
198 dogtags
201 "tags")
202 rm -f tags
203 xtags ctags
206 "TAGS")
207 rm -f TAGS
208 xtags etags
210 esac