Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
10if [ "$KBUILD_VERBOSE" = "1" ]; then
11 set -x
12fi
13
14# This is a duplicate of RCS_FIND_IGNORE without escaped '()'
15ignore="( -name SCCS -o -name BitKeeper -o -name .svn -o \
16 -name CVS -o -name .pc -o -name .hg -o \
17 -name .git ) \
18 -prune -o"
19
20# Do not use full path if we do not use O=.. builds
21# Use make O=. {tags|cscope}
22# to force full paths for a non-O= build
23if [ "${KBUILD_SRC}" = "" ]; then
24 tree=
25else
26 tree=${srctree}/
27fi
28
29# Find all available archs
30find_all_archs()
31{
32 ALLSOURCE_ARCHS=""
33 for arch in `ls ${tree}arch`; do
34 ALLSOURCE_ARCHS="${ALLSOURCE_ARCHS} "${arch##\/}
35 done
36}
37
38# Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH
39if [ "${ALLSOURCE_ARCHS}" = "" ]; then
40 ALLSOURCE_ARCHS=${SRCARCH}
41elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then
42 find_all_archs
43fi
44
45# find sources in arch/$ARCH
46find_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/$1/include
55find_arch_include_sources()
56{
57 include=$(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/
66find_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
73find_other_sources()
74{
75 find ${tree}* $ignore \
76 \( -name include -o -name arch -o -name '.tmp_*' \) -prune -o \
77 -name "$1" -print;
78}
79
80find_sources()
81{
82 find_arch_sources $1 "$2"
83}
84
85all_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
99all_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 $i
111 ;;
112 esac
113 done
114}
115
116all_target_sources()
117{
118 if [ -n "$COMPILED_SOURCE" ]; then
119 all_compiled_sources
120 else
121 all_sources
122 fi
123}
124
125all_kconfigs()
126{
127 for arch in $ALLSOURCE_ARCHS; do
128 find_sources $arch 'Kconfig*'
129 done
130 find_other_sources 'Kconfig*'
131}
132
133all_defconfigs()
134{
135 find_sources $ALLSOURCE_ARCHS "defconfig"
136}
137
138docscope()
139{
140 (echo \-k; echo \-q; all_target_sources) > cscope.files
141 cscope -b -f cscope.out
142}
143
144dogtags()
145{
146 all_target_sources | gtags -i -f -
147}
148
149exuberant()
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
201emacs()
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
243xtags()
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 $1 -a
251 fi
252}
253
254# Support um (which uses SUBARCH)
255if [ "${ARCH}" = "um" ]; then
256 if [ "$SUBARCH" = "i386" ]; then
257 archinclude=x86
258 elif [ "$SUBARCH" = "x86_64" ]; then
259 archinclude=x86
260 else
261 archinclude=${SUBARCH}
262 fi
263elif [ "${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
278fi
279
280remove_structs=
281case "$1" in
282 "cscope")
283 docscope
284 ;;
285
286 "gtags")
287 dogtags
288 ;;
289
290 "tags")
291 rm -f tags
292 xtags ctags
293 remove_structs=y
294 ;;
295
296 "TAGS")
297 rm -f TAGS
298 xtags etags
299 remove_structs=y
300 ;;
301esac
302
303# Remove structure forward declarations.
304if [ -n "$remove_structs" ]; then
305 LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' $1
306fi