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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 $subarchprune $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/ $subarchprune \ | |
58 | -name include -type d -print); | |
59 | if [ -n "$include" ]; then | |
60 | archincludedir="$archincludedir $include" | |
61 | find $include $ignore -name "$2" -print; | |
62 | fi | |
63 | } | |
64 | ||
65 | # find sources in include/ | |
66 | find_include_sources() | |
67 | { | |
68 | find ${tree}include $ignore -name config -prune -o -name "$1" -print; | |
69 | } | |
70 | ||
71 | # find sources in rest of tree | |
72 | # we could benefit from a list of dirs to search in here | |
73 | find_other_sources() | |
74 | { | |
75 | find ${tree}* $ignore \ | |
76 | \( -name include -o -name arch -o -name '.tmp_*' \) -prune -o \ | |
77 | -name "$1" -print; | |
78 | } | |
79 | ||
80 | find_sources() | |
81 | { | |
82 | find_arch_sources $1 "$2" | |
83 | } | |
84 | ||
85 | all_sources() | |
86 | { | |
87 | find_arch_include_sources ${SRCARCH} '*.[chS]' | |
88 | if [ ! -z "$archinclude" ]; then | |
89 | find_arch_include_sources $archinclude '*.[chS]' | |
90 | fi | |
91 | find_include_sources '*.[chS]' | |
92 | for arch in $ALLSOURCE_ARCHS | |
93 | do | |
94 | find_sources $arch '*.[chS]' | |
95 | done | |
96 | find_other_sources '*.[chS]' | |
97 | } | |
98 | ||
99 | all_compiled_sources() | |
100 | { | |
101 | for i in $(all_sources); do | |
102 | case "$i" in | |
103 | *.[cS]) | |
104 | j=${i/\.[cS]/\.o} | |
105 | if [ -e $j ]; then | |
106 | echo $i | |
107 | fi | |
108 | ;; | |
109 | *) | |
110 | echo $i | |
111 | ;; | |
112 | esac | |
113 | done | |
114 | } | |
115 | ||
116 | all_target_sources() | |
117 | { | |
118 | if [ -n "$COMPILED_SOURCE" ]; then | |
119 | all_compiled_sources | |
120 | else | |
121 | all_sources | |
122 | fi | |
123 | } | |
124 | ||
125 | all_kconfigs() | |
126 | { | |
127 | for arch in $ALLSOURCE_ARCHS; do | |
128 | find_sources $arch 'Kconfig*' | |
129 | done | |
130 | find_other_sources 'Kconfig*' | |
131 | } | |
132 | ||
133 | all_defconfigs() | |
134 | { | |
135 | find_sources $ALLSOURCE_ARCHS "defconfig" | |
136 | } | |
137 | ||
138 | docscope() | |
139 | { | |
140 | (echo \-k; echo \-q; all_target_sources) > cscope.files | |
141 | cscope -b -f cscope.out | |
142 | } | |
143 | ||
144 | dogtags() | |
145 | { | |
146 | all_target_sources | gtags -i -f - | |
147 | } | |
148 | ||
149 | exuberant() | |
150 | { | |
151 | all_target_sources | xargs $1 -a \ | |
152 | -I __initdata,__exitdata,__acquires,__releases \ | |
153 | -I __read_mostly,____cacheline_aligned \ | |
154 | -I ____cacheline_aligned_in_smp \ | |
155 | -I ____cacheline_internodealigned_in_smp \ | |
156 | -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \ | |
157 | -I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \ | |
158 | --extra=+f --c-kinds=+px \ | |
159 | --regex-asm='/^(ENTRY|_GLOBAL)\(([^)]*)\).*/\2/' \ | |
160 | --regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/' \ | |
161 | --regex-c++='/^TRACE_EVENT\(([^,)]*).*/trace_\1/' \ | |
162 | --regex-c++='/^DEFINE_EVENT\([^,)]*, *([^,)]*).*/trace_\1/' \ | |
163 | --regex-c++='/PAGEFLAG\(([^,)]*).*/Page\1/' \ | |
164 | --regex-c++='/PAGEFLAG\(([^,)]*).*/SetPage\1/' \ | |
165 | --regex-c++='/PAGEFLAG\(([^,)]*).*/ClearPage\1/' \ | |
166 | --regex-c++='/TESTSETFLAG\(([^,)]*).*/TestSetPage\1/' \ | |
167 | --regex-c++='/TESTPAGEFLAG\(([^,)]*).*/Page\1/' \ | |
168 | --regex-c++='/SETPAGEFLAG\(([^,)]*).*/SetPage\1/' \ | |
169 | --regex-c++='/__SETPAGEFLAG\(([^,)]*).*/__SetPage\1/' \ | |
170 | --regex-c++='/TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \ | |
171 | --regex-c++='/__TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \ | |
172 | --regex-c++='/CLEARPAGEFLAG\(([^,)]*).*/ClearPage\1/' \ | |
173 | --regex-c++='/__CLEARPAGEFLAG\(([^,)]*).*/__ClearPage\1/' \ | |
174 | --regex-c++='/__PAGEFLAG\(([^,)]*).*/__SetPage\1/' \ | |
175 | --regex-c++='/__PAGEFLAG\(([^,)]*).*/__ClearPage\1/' \ | |
176 | --regex-c++='/PAGEFLAG_FALSE\(([^,)]*).*/Page\1/' \ | |
177 | --regex-c++='/TESTSCFLAG\(([^,)]*).*/TestSetPage\1/' \ | |
178 | --regex-c++='/TESTSCFLAG\(([^,)]*).*/TestClearPage\1/' \ | |
179 | --regex-c++='/SETPAGEFLAG_NOOP\(([^,)]*).*/SetPage\1/' \ | |
180 | --regex-c++='/CLEARPAGEFLAG_NOOP\(([^,)]*).*/ClearPage\1/' \ | |
181 | --regex-c++='/__CLEARPAGEFLAG_NOOP\(([^,)]*).*/__ClearPage\1/' \ | |
182 | --regex-c++='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \ | |
183 | --regex-c++='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/' \ | |
184 | --regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/' \ | |
185 | --regex-c='/PCI_OP_READ\(([a-z]*[a-z]).*[1-4]\)/pci_bus_read_config_\1/' \ | |
186 | --regex-c='/PCI_OP_WRITE\(([a-z]*[a-z]).*[1-4]\)/pci_bus_write_config_\1/' | |
187 | ||
188 | all_kconfigs | xargs $1 -a \ | |
189 | --langdef=kconfig --language-force=kconfig \ | |
190 | --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/' | |
191 | ||
192 | all_kconfigs | xargs $1 -a \ | |
193 | --langdef=kconfig --language-force=kconfig \ | |
194 | --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/CONFIG_\2/' | |
195 | ||
196 | all_defconfigs | xargs -r $1 -a \ | |
197 | --langdef=dotconfig --language-force=dotconfig \ | |
198 | --regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/' | |
199 | } | |
200 | ||
201 | emacs() | |
202 | { | |
203 | all_target_sources | xargs $1 -a \ | |
204 | --regex='/^(ENTRY|_GLOBAL)(\([^)]*\)).*/\2/' \ | |
205 | --regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/' \ | |
206 | --regex='/^TRACE_EVENT(\([^,)]*\).*/trace_\1/' \ | |
207 | --regex='/^DEFINE_EVENT([^,)]*, *\([^,)]*\).*/trace_\1/' \ | |
208 | --regex='/PAGEFLAG\(([^,)]*).*/Page\1/' \ | |
209 | --regex='/PAGEFLAG\(([^,)]*).*/SetPage\1/' \ | |
210 | --regex='/PAGEFLAG\(([^,)]*).*/ClearPage\1/' \ | |
211 | --regex='/TESTSETFLAG\(([^,)]*).*/TestSetPage\1/' \ | |
212 | --regex='/TESTPAGEFLAG\(([^,)]*).*/Page\1/' \ | |
213 | --regex='/SETPAGEFLAG\(([^,)]*).*/SetPage\1/' \ | |
214 | --regex='/__SETPAGEFLAG\(([^,)]*).*/__SetPage\1/' \ | |
215 | --regex='/TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \ | |
216 | --regex='/__TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \ | |
217 | --regex='/CLEARPAGEFLAG\(([^,)]*).*/ClearPage\1/' \ | |
218 | --regex='/__CLEARPAGEFLAG\(([^,)]*).*/__ClearPage\1/' \ | |
219 | --regex='/__PAGEFLAG\(([^,)]*).*/__SetPage\1/' \ | |
220 | --regex='/__PAGEFLAG\(([^,)]*).*/__ClearPage\1/' \ | |
221 | --regex='/PAGEFLAG_FALSE\(([^,)]*).*/Page\1/' \ | |
222 | --regex='/TESTSCFLAG\(([^,)]*).*/TestSetPage\1/' \ | |
223 | --regex='/TESTSCFLAG\(([^,)]*).*/TestClearPage\1/' \ | |
224 | --regex='/SETPAGEFLAG_NOOP\(([^,)]*).*/SetPage\1/' \ | |
225 | --regex='/CLEARPAGEFLAG_NOOP\(([^,)]*).*/ClearPage\1/' \ | |
226 | --regex='/__CLEARPAGEFLAG_NOOP\(([^,)]*).*/__ClearPage\1/' \ | |
227 | --regex='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \ | |
228 | --regex='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/' \ | |
229 | --regex='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/' \ | |
230 | --regex='/PCI_OP_READ\(([a-z]*[a-z]).*[1-4]\)/pci_bus_read_config_\1/' \ | |
231 | --regex='/PCI_OP_WRITE\(([a-z]*[a-z]).*[1-4]\)/pci_bus_write_config_\1/' | |
232 | ||
233 | all_kconfigs | xargs $1 -a \ | |
234 | --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/' | |
235 | ||
236 | all_kconfigs | xargs $1 -a \ | |
237 | --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/CONFIG_\3/' | |
238 | ||
239 | all_defconfigs | xargs -r $1 -a \ | |
240 | --regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/' | |
241 | } | |
242 | ||
243 | xtags() | |
244 | { | |
245 | if $1 --version 2>&1 | grep -iq exuberant; then | |
246 | exuberant $1 | |
247 | elif $1 --version 2>&1 | grep -iq emacs; then | |
248 | emacs $1 | |
249 | else | |
250 | all_target_sources | xargs $1 -a | |
251 | fi | |
252 | } | |
253 | ||
254 | # Support um (which uses SUBARCH) | |
255 | if [ "${ARCH}" = "um" ]; then | |
256 | if [ "$SUBARCH" = "i386" ]; then | |
257 | archinclude=x86 | |
258 | elif [ "$SUBARCH" = "x86_64" ]; then | |
259 | archinclude=x86 | |
260 | else | |
261 | archinclude=${SUBARCH} | |
262 | fi | |
263 | elif [ "${SRCARCH}" = "arm" -a "${SUBARCH}" != "" ]; then | |
264 | subarchdir=$(find ${tree}arch/$SRCARCH/ -name "mach-*" -type d -o \ | |
265 | -name "plat-*" -type d); | |
266 | for i in $subarchdir; do | |
267 | case "$i" in | |
268 | *"mach-"${SUBARCH}) | |
269 | ;; | |
270 | *"plat-"${SUBARCH}) | |
271 | ;; | |
272 | *) | |
273 | subarchprune="$subarchprune \ | |
274 | -wholename $i -prune -o" | |
275 | ;; | |
276 | esac | |
277 | done | |
278 | fi | |
279 | ||
280 | remove_structs= | |
281 | case "$1" in | |
282 | "cscope") | |
283 | docscope | |
284 | ;; | |
285 | ||
286 | "gtags") | |
287 | dogtags | |
288 | ;; | |
289 | ||
290 | "tags") | |
291 | rm -f tags | |
292 | xtags ctags | |
293 | remove_structs=y | |
294 | ;; | |
295 | ||
296 | "TAGS") | |
297 | rm -f TAGS | |
298 | xtags etags | |
299 | remove_structs=y | |
300 | ;; | |
301 | esac | |
302 | ||
303 | # Remove structure forward declarations. | |
304 | if [ -n "$remove_structs" ]; then | |
305 | LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' $1 | |
306 | fi |