kbuild: drop debugging leftover in tags.sh
[linux-2.6.git] / scripts / tags.sh
1 #!/bin/sh
2 # Generate tags or cscope files
3 # Usage tags.sh <mode>
4 #
5 # mode may be any of: tags, TAGS, cscope
6 #
7 # Uses the following environment variables:
8 # ARCH, SUBARCH, srctree, src, obj
9
10 if [ "$KBUILD_VERBOSE" = "1" ]; then
11         set -x
12 fi
13
14 # This is a duplicate of RCS_FIND_IGNORE without escaped '()'
15 ignore="( -name SCCS -o -name BitKeeper -o -name .svn -o \
16           -name CVS  -o -name .pc       -o -name .hg  -o \
17           -name .git )                                   \
18           -prune -o"
19
20 # Do not use full path is we do not use O=.. builds
21 if [ "${KBUILD_SRC}" = "" ]; then
22         tree=
23 else
24         tree=${srctree}/
25 fi
26
27 # find sources in arch/$ARCH
28 find_arch_sources()
29 {
30         find ${tree}arch/$1 $ignore -name "$2" -print;
31 }
32
33 # find sources in arch/$1/include
34 find_arch_include_sources()
35 {
36         find ${tree}arch/$1/include $ignore -name "$2" -print;
37 }
38
39 # find sources in include/
40 find_include_sources()
41 {
42         find ${tree}include $ignore -name config -prune -o -name "$1" -print;
43 }
44
45 # find sources in rest of tree
46 # we could benefit from a list of dirs to search in here
47 find_other_sources()
48 {
49         find ${tree}* $ignore \
50              \( -name include -o -name arch -o -name '.tmp_*' \) -prune -o \
51                -name "$1" -print;
52 }
53
54 find_sources()
55 {
56         find_arch_sources $1 "$2"
57         find_include_sources "$2"
58         find_other_sources "$2"
59 }
60
61 all_sources()
62 {
63         find_sources $SRCARCH '*.[chS]'
64         if [ ! -z "$archinclude" ]; then
65                 find_arch_include_sources $archinclude '*.[chS]'
66         fi
67 }
68
69 all_kconfigs()
70 {
71         find_sources $SRCARCH 'Kconfig*'
72 }
73
74 all_defconfigs()
75 {
76         find_sources $SRCARCH "defconfig"
77 }
78
79 docscope()
80 {
81         (echo \-k; echo \-q; all_sources) > cscope.files
82         cscope -b -f cscope.out
83 }
84
85 exuberant()
86 {
87         all_sources | xargs $1 -a                               \
88         -I __initdata,__exitdata,__acquires,__releases          \
89         -I __read_mostly,____cacheline_aligned                  \
90         -I ____cacheline_aligned_in_smp                         \
91         -I ____cacheline_internodealigned_in_smp                \
92         -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL                      \
93         --extra=+f --c-kinds=+px                                \
94         --regex-asm='/^ENTRY\(([^)]*)\).*/\1/'
95
96         all_kconfigs | xargs $1 -a                              \
97         --langdef=kconfig --language-force=kconfig              \
98         --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/'
99
100         all_kconfigs | xargs $1 -a                              \
101         --langdef=kconfig --language-force=kconfig              \
102         --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/CONFIG_\2/'
103
104         all_defconfigs | xargs -r $1 -a                         \
105         --langdef=dotconfig --language-force=dotconfig          \
106         --regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/'
107
108 }
109
110 emacs()
111 {
112         all_sources | xargs $1 -a
113
114         all_kconfigs | xargs $1 -a                              \
115         --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/'
116
117         all_kconfigs | xargs $1 -a                              \
118         --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/CONFIG_\3/'
119
120         all_defconfigs | xargs -r $1 -a                         \
121         --regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/'
122 }
123
124 xtags()
125 {
126         if $1 --version 2>&1 | grep -iq exuberant; then
127                 exuberant $1
128         elif $1 --version 2>&1 | grep -iq emacs; then
129                 emacs $1
130         else
131                 all_sources | xargs $1 -a
132         fi
133 }
134
135
136 # Support um (which uses SUBARCH)
137 if [ "${ARCH}" = "um" ]; then
138         if [ "$SUBARCH" = "i386" ]; then
139                 archinclude=x86
140         elif [ "$SUBARCH" = "x86_64" ]; then
141                 archinclude=x86
142         else
143                 archinclude=${SUBARCH}
144         fi
145 fi
146
147 case "$1" in
148         "cscope")
149                 docscope
150                 ;;
151
152         "tags")
153                 xtags ctags
154                 ;;
155
156         "TAGS")
157                 xtags etags
158                 ;;
159 esac