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 [ "$KBUILD_VERBOSE" = "1" ]; then
11 set -x
12fi
13
14# RCS_FIND_IGNORE has escaped ()s -- remove them.
15ignore="$(echo "$RCS_FIND_IGNORE" | sed 's|\\||g' )"
16# tags and cscope files should also ignore MODVERSION *.mod.c files
17ignore="$ignore ( -name *.mod.c ) -prune -o"
18
19# Do not use full path if we do not use O=.. builds
20# Use make O=. {tags|cscope}
21# to force full paths for a non-O= build
22if [ "${KBUILD_SRC}" = "" ]; then
23 tree=
24else
25 tree=${srctree}/
26fi
27
28# Find all available archs
29find_all_archs()
30{
31 ALLSOURCE_ARCHS=""
32 for arch in `ls ${tree}arch`; do
33 ALLSOURCE_ARCHS="${ALLSOURCE_ARCHS} "${arch##\/}
34 done
35}
36
37# Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH
38if [ "${ALLSOURCE_ARCHS}" = "" ]; then
39 ALLSOURCE_ARCHS=${SRCARCH}
40elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then
41 find_all_archs
42fi
43
44# find sources in arch/$ARCH
45find_arch_sources()
46{
47 for i in $archincludedir; do
48 prune="$prune -wholename $i -prune -o"
49 done
50 find ${tree}arch/$1 $ignore $subarchprune $prune -name "$2" -print;
51}
52
53# find sources in arch/$1/include
54find_arch_include_sources()
55{
56 include=$(find ${tree}arch/$1/ $subarchprune \
57 -name include -type d -print);
58 if [ -n "$include" ]; then
59 archincludedir="$archincludedir $include"
60 find $include $ignore -name "$2" -print;
61 fi
62}
63
64# find sources in include/
65find_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
72find_other_sources()
73{
74 find ${tree}* $ignore \
75 \( -name include -o -name arch -o -name '.tmp_*' \) -prune -o \
76 -name "$1" -print;
77}
78
79find_sources()
80{
81 find_arch_sources $1 "$2"
82}
83
84all_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
98all_compiled_sources()
99{
100 for i in $(all_sources); do
101 case "$i" in
102 *.[cS])
103 j=${i/\.[cS]/\.o}
104 if [ -e $j ]; then
105 echo $i
106 fi
107 ;;
108 *)
109 echo $i
110 ;;
111 esac
112 done
113}
114
115all_target_sources()
116{
117 if [ -n "$COMPILED_SOURCE" ]; then
118 all_compiled_sources
119 else
120 all_sources
121 fi
122}
123
124all_kconfigs()
125{
126 for arch in $ALLSOURCE_ARCHS; do
127 find_sources $arch 'Kconfig*'
128 done
129 find_other_sources 'Kconfig*'
130}
131
132all_defconfigs()
133{
134 find_sources $ALLSOURCE_ARCHS "defconfig"
135}
136
137docscope()
138{
139 (echo \-k; echo \-q; all_target_sources) > cscope.files
140 cscope -b -f cscope.out
141}
142
143dogtags()
144{
145 all_target_sources | gtags -i -f -
146}
147
148exuberant()
149{
150 all_target_sources | xargs $1 -a \
151 -I __initdata,__exitdata,__initconst, \
152 -I __cpuinitdata,__initdata_memblock \
153 -I __refdata,__attribute,__maybe_unused,__always_unused \
154 -I __acquires,__releases,__deprecated \
155 -I __read_mostly,__aligned,____cacheline_aligned \
156 -I ____cacheline_aligned_in_smp \
157 -I __cacheline_aligned,__cacheline_aligned_in_smp \
158 -I ____cacheline_internodealigned_in_smp \
159 -I __used,__packed,__packed2__,__must_check,__must_hold \
160 -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL,ACPI_EXPORT_SYMBOL \
161 -I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
162 -I static,const \
163 --extra=+f --c-kinds=+px \
164 --regex-asm='/^(ENTRY|_GLOBAL)\(([^)]*)\).*/\2/' \
165 --regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/' \
166 --regex-c++='/^TRACE_EVENT\(([^,)]*).*/trace_\1/' \
167 --regex-c++='/^DEFINE_EVENT\([^,)]*, *([^,)]*).*/trace_\1/' \
168 --regex-c++='/PAGEFLAG\(([^,)]*).*/Page\1/' \
169 --regex-c++='/PAGEFLAG\(([^,)]*).*/SetPage\1/' \
170 --regex-c++='/PAGEFLAG\(([^,)]*).*/ClearPage\1/' \
171 --regex-c++='/TESTSETFLAG\(([^,)]*).*/TestSetPage\1/' \
172 --regex-c++='/TESTPAGEFLAG\(([^,)]*).*/Page\1/' \
173 --regex-c++='/SETPAGEFLAG\(([^,)]*).*/SetPage\1/' \
174 --regex-c++='/__SETPAGEFLAG\(([^,)]*).*/__SetPage\1/' \
175 --regex-c++='/TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \
176 --regex-c++='/__TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \
177 --regex-c++='/CLEARPAGEFLAG\(([^,)]*).*/ClearPage\1/' \
178 --regex-c++='/__CLEARPAGEFLAG\(([^,)]*).*/__ClearPage\1/' \
179 --regex-c++='/__PAGEFLAG\(([^,)]*).*/__SetPage\1/' \
180 --regex-c++='/__PAGEFLAG\(([^,)]*).*/__ClearPage\1/' \
181 --regex-c++='/PAGEFLAG_FALSE\(([^,)]*).*/Page\1/' \
182 --regex-c++='/TESTSCFLAG\(([^,)]*).*/TestSetPage\1/' \
183 --regex-c++='/TESTSCFLAG\(([^,)]*).*/TestClearPage\1/' \
184 --regex-c++='/SETPAGEFLAG_NOOP\(([^,)]*).*/SetPage\1/' \
185 --regex-c++='/CLEARPAGEFLAG_NOOP\(([^,)]*).*/ClearPage\1/' \
186 --regex-c++='/__CLEARPAGEFLAG_NOOP\(([^,)]*).*/__ClearPage\1/' \
187 --regex-c++='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \
188 --regex-c++='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/' \
189 --regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/' \
190 --regex-c='/PCI_OP_READ\((\w*).*[1-4]\)/pci_bus_read_config_\1/' \
191 --regex-c='/PCI_OP_WRITE\((\w*).*[1-4]\)/pci_bus_write_config_\1/' \
192 --regex-c='/DEFINE_(MUTEX|SEMAPHORE|SPINLOCK)\((\w*)/\2/v/' \
193 --regex-c='/DEFINE_(RAW_SPINLOCK|RWLOCK|SEQLOCK)\((\w*)/\2/v/' \
194 --regex-c='/DECLARE_(RWSEM|COMPLETION)\((\w*)/\2/v/' \
195 --regex-c='/DECLARE_BITMAP\((\w*)/\1/v/' \
196 --regex-c='/(^|\s)(|L|H)LIST_HEAD\((\w*)/\3/v/' \
197 --regex-c='/(^|\s)RADIX_TREE\((\w*)/\2/v/' \
198 --regex-c='/DEFINE_PER_CPU\(([^,]*,\s*)(\w*).*\)/\2/v/' \
199 --regex-c='/DEFINE_PER_CPU_SHARED_ALIGNED\(([^,]*,\s*)(\w*).*\)/\2/v/' \
200 --regex-c='/DECLARE_WAIT_QUEUE_HEAD\((\w*)/\1/v/' \
201 --regex-c='/DECLARE_(TASKLET|WORK|DELAYED_WORK)\((\w*)/\2/v/' \
202 --regex-c='/DEFINE_PCI_DEVICE_TABLE\((\w*)/\1/v/' \
203 --regex-c='/(^\s)OFFSET\((\w*)/\2/v/' \
204 --regex-c='/(^\s)DEFINE\((\w*)/\2/v/'
205
206 all_kconfigs | xargs $1 -a \
207 --langdef=kconfig --language-force=kconfig \
208 --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/'
209
210 all_kconfigs | xargs $1 -a \
211 --langdef=kconfig --language-force=kconfig \
212 --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/CONFIG_\2/'
213
214 all_defconfigs | xargs -r $1 -a \
215 --langdef=dotconfig --language-force=dotconfig \
216 --regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/'
217}
218
219emacs()
220{
221 all_target_sources | xargs $1 -a \
222 --regex='/^\(ENTRY\|_GLOBAL\)(\([^)]*\)).*/\2/' \
223 --regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/' \
224 --regex='/^TRACE_EVENT(\([^,)]*\).*/trace_\1/' \
225 --regex='/^DEFINE_EVENT([^,)]*, *\([^,)]*\).*/trace_\1/' \
226 --regex='/PAGEFLAG(\([^,)]*\).*/Page\1/' \
227 --regex='/PAGEFLAG(\([^,)]*\).*/SetPage\1/' \
228 --regex='/PAGEFLAG(\([^,)]*\).*/ClearPage\1/' \
229 --regex='/TESTSETFLAG(\([^,)]*\).*/TestSetPage\1/' \
230 --regex='/TESTPAGEFLAG(\([^,)]*\).*/Page\1/' \
231 --regex='/SETPAGEFLAG(\([^,)]*\).*/SetPage\1/' \
232 --regex='/__SETPAGEFLAG(\([^,)]*\).*/__SetPage\1/' \
233 --regex='/TESTCLEARFLAG(\([^,)]*\).*/TestClearPage\1/' \
234 --regex='/__TESTCLEARFLAG(\([^,)]*\).*/TestClearPage\1/' \
235 --regex='/CLEARPAGEFLAG(\([^,)]*\).*/ClearPage\1/' \
236 --regex='/__CLEARPAGEFLAG(\([^,)]*\).*/__ClearPage\1/' \
237 --regex='/__PAGEFLAG(\([^,)]*\).*/__SetPage\1/' \
238 --regex='/__PAGEFLAG(\([^,)]*\).*/__ClearPage\1/' \
239 --regex='/PAGEFLAG_FALSE(\([^,)]*\).*/Page\1/' \
240 --regex='/TESTSCFLAG(\([^,)]*\).*/TestSetPage\1/' \
241 --regex='/TESTSCFLAG(\([^,)]*\).*/TestClearPage\1/' \
242 --regex='/SETPAGEFLAG_NOOP(\([^,)]*\).*/SetPage\1/' \
243 --regex='/CLEARPAGEFLAG_NOOP(\([^,)]*\).*/ClearPage\1/' \
244 --regex='/__CLEARPAGEFLAG_NOOP(\([^,)]*\).*/__ClearPage\1/' \
245 --regex='/TESTCLEARFLAG_FALSE(\([^,)]*\).*/TestClearPage\1/' \
246 --regex='/__TESTCLEARFLAG_FALSE(\([^,)]*\).*/__TestClearPage\1/' \
247 --regex='/_PE(\([^,)]*\).*/PEVENT_ERRNO__\1/' \
248 --regex='/PCI_OP_READ(\([a-z]*[a-z]\).*[1-4])/pci_bus_read_config_\1/' \
249 --regex='/PCI_OP_WRITE(\([a-z]*[a-z]\).*[1-4])/pci_bus_write_config_\1/'
250
251 all_kconfigs | xargs $1 -a \
252 --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/'
253
254 all_kconfigs | xargs $1 -a \
255 --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/CONFIG_\3/'
256
257 all_defconfigs | xargs -r $1 -a \
258 --regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/'
259}
260
261xtags()
262{
263 if $1 --version 2>&1 | grep -iq exuberant; then
264 exuberant $1
265 elif $1 --version 2>&1 | grep -iq emacs; then
266 emacs $1
267 else
268 all_target_sources | xargs $1 -a
269 fi
270}
271
272# Support um (which uses SUBARCH)
273if [ "${ARCH}" = "um" ]; then
274 if [ "$SUBARCH" = "i386" ]; then
275 archinclude=x86
276 elif [ "$SUBARCH" = "x86_64" ]; then
277 archinclude=x86
278 else
279 archinclude=${SUBARCH}
280 fi
281elif [ "${SRCARCH}" = "arm" -a "${SUBARCH}" != "" ]; then
282 subarchdir=$(find ${tree}arch/$SRCARCH/ -name "mach-*" -type d -o \
283 -name "plat-*" -type d);
284 for i in $subarchdir; do
285 case "$i" in
286 *"mach-"${SUBARCH})
287 ;;
288 *"plat-"${SUBARCH})
289 ;;
290 *)
291 subarchprune="$subarchprune \
292 -wholename $i -prune -o"
293 ;;
294 esac
295 done
296fi
297
298remove_structs=
299case "$1" in
300 "cscope")
301 docscope
302 ;;
303
304 "gtags")
305 dogtags
306 ;;
307
308 "tags")
309 rm -f tags
310 xtags ctags
311 remove_structs=y
312 ;;
313
314 "TAGS")
315 rm -f TAGS
316 xtags etags
317 remove_structs=y
318 ;;
319esac
320
321# Remove structure forward declarations.
322if [ -n "$remove_structs" ]; then
323 LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' $1
324fi