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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, SRCARCH, srctree, src, obj | |
9 | ||
10 | if [ "$KBUILD_VERBOSE" = "1" ]; then | |
11 | set -x | |
12 | fi | |
13 | ||
14 | # This is a duplicate of RCS_FIND_IGNORE without escaped '()' | |
15 | ignore="( -name SCCS -o -name BitKeeper -o -name .svn -o \ | |
16 | -name CVS -o -name .pc -o -name .hg -o \ | |
17 | -name .git ) \ | |
18 | -prune -o" | |
19 | ||
20 | # Do not use full path if we do not use O=.. builds | |
21 | # Use make O=. {tags|cscope} | |
22 | # to force full paths for a non-O= build | |
23 | if [ "${KBUILD_SRC}" = "" ]; then | |
24 | tree= | |
25 | else | |
26 | tree=${srctree}/ | |
27 | fi | |
28 | ||
29 | # Find all available archs | |
30 | find_all_archs() | |
31 | { | |
32 | ALLSOURCE_ARCHS="" | |
33 | for arch in `ls ${tree}arch`; do | |
34 | ALLSOURCE_ARCHS="${ALLSOURCE_ARCHS} "${arch##\/} | |
35 | done | |
36 | } | |
37 | ||
38 | # Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH | |
39 | if [ "${ALLSOURCE_ARCHS}" = "" ]; then | |
40 | ALLSOURCE_ARCHS=${SRCARCH} | |
41 | elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then | |
42 | find_all_archs | |
43 | fi | |
44 | ||
45 | # find sources in arch/$ARCH | |
46 | find_arch_sources() | |
47 | { | |
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; | |
52 | } | |
53 | ||
54 | # find sources in arch/$1/include | |
55 | find_arch_include_sources() | |
56 | { | |
57 | include=$(find ${tree}arch/$1/ -name include -type d); | |
58 | if [ -n "$include" ]; then | |
59 | archincludedir="$archincludedir $include" | |
60 | find $include $ignore -name "$2" -print; | |
61 | fi | |
62 | } | |
63 | ||
64 | # find sources in include/ | |
65 | find_include_sources() | |
66 | { | |
67 | find ${tree}include $ignore -name config -prune -o -name "$1" -print; | |
68 | } | |
69 | ||
70 | # find sources in rest of tree | |
71 | # we could benefit from a list of dirs to search in here | |
72 | find_other_sources() | |
73 | { | |
74 | find ${tree}* $ignore \ | |
75 | \( -name include -o -name arch -o -name '.tmp_*' \) -prune -o \ | |
76 | -name "$1" -print; | |
77 | } | |
78 | ||
79 | find_sources() | |
80 | { | |
81 | find_arch_sources $1 "$2" | |
82 | } | |
83 | ||
84 | all_sources() | |
85 | { | |
86 | find_arch_include_sources ${SRCARCH} '*.[chS]' | |
87 | if [ ! -z "$archinclude" ]; then | |
88 | find_arch_include_sources $archinclude '*.[chS]' | |
89 | fi | |
90 | find_include_sources '*.[chS]' | |
91 | for arch in $ALLSOURCE_ARCHS | |
92 | do | |
93 | find_sources $arch '*.[chS]' | |
94 | done | |
95 | find_other_sources '*.[chS]' | |
96 | } | |
97 | ||
98 | all_kconfigs() | |
99 | { | |
100 | for arch in $ALLSOURCE_ARCHS; do | |
101 | find_sources $arch 'Kconfig*' | |
102 | done | |
103 | find_other_sources 'Kconfig*' | |
104 | } | |
105 | ||
106 | all_defconfigs() | |
107 | { | |
108 | find_sources $ALLSOURCE_ARCHS "defconfig" | |
109 | } | |
110 | ||
111 | docscope() | |
112 | { | |
113 | (echo \-k; echo \-q; all_sources) > cscope.files | |
114 | cscope -b -f cscope.out | |
115 | } | |
116 | ||
117 | exuberant() | |
118 | { | |
119 | all_sources | xargs $1 -a \ | |
120 | -I __initdata,__exitdata,__acquires,__releases \ | |
121 | -I __read_mostly,____cacheline_aligned \ | |
122 | -I ____cacheline_aligned_in_smp \ | |
123 | -I ____cacheline_internodealigned_in_smp \ | |
124 | -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \ | |
125 | -I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \ | |
126 | --extra=+f --c-kinds=-px \ | |
127 | --regex-asm='/^ENTRY\(([^)]*)\).*/\1/' \ | |
128 | --regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/' | |
129 | ||
130 | all_kconfigs | xargs $1 -a \ | |
131 | --langdef=kconfig --language-force=kconfig \ | |
132 | --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/' | |
133 | ||
134 | all_kconfigs | xargs $1 -a \ | |
135 | --langdef=kconfig --language-force=kconfig \ | |
136 | --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/CONFIG_\2/' | |
137 | ||
138 | all_defconfigs | xargs -r $1 -a \ | |
139 | --langdef=dotconfig --language-force=dotconfig \ | |
140 | --regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/' | |
141 | ||
142 | } | |
143 | ||
144 | emacs() | |
145 | { | |
146 | all_sources | xargs $1 -a \ | |
147 | --regex='/^ENTRY(\([^)]*\)).*/\1/' \ | |
148 | --regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/' | |
149 | ||
150 | all_kconfigs | xargs $1 -a \ | |
151 | --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/' | |
152 | ||
153 | all_kconfigs | xargs $1 -a \ | |
154 | --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/CONFIG_\3/' | |
155 | ||
156 | all_defconfigs | xargs -r $1 -a \ | |
157 | --regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/' | |
158 | } | |
159 | ||
160 | xtags() | |
161 | { | |
162 | if $1 --version 2>&1 | grep -iq exuberant; then | |
163 | exuberant $1 | |
164 | elif $1 --version 2>&1 | grep -iq emacs; then | |
165 | emacs $1 | |
166 | else | |
167 | all_sources | xargs $1 -a | |
168 | fi | |
169 | } | |
170 | ||
171 | ||
172 | # Support um (which uses SUBARCH) | |
173 | if [ "${ARCH}" = "um" ]; then | |
174 | if [ "$SUBARCH" = "i386" ]; then | |
175 | archinclude=x86 | |
176 | elif [ "$SUBARCH" = "x86_64" ]; then | |
177 | archinclude=x86 | |
178 | else | |
179 | archinclude=${SUBARCH} | |
180 | fi | |
181 | fi | |
182 | ||
183 | case "$1" in | |
184 | "cscope") | |
185 | docscope | |
186 | ;; | |
187 | ||
188 | "tags") | |
189 | rm -f tags | |
190 | xtags ctags | |
191 | ;; | |
192 | ||
193 | "TAGS") | |
194 | rm -f TAGS | |
195 | xtags etags | |
196 | ;; | |
197 | esac |