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1#!/bin/bash
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# ignore userspace tools
29ignore="$ignore ( -path ${tree}tools ) -prune -o"
30
31# Find all available archs
32find_all_archs()
33{
34 ALLSOURCE_ARCHS=""
35 for arch in `ls ${tree}arch`; do
36 ALLSOURCE_ARCHS="${ALLSOURCE_ARCHS} "${arch##\/}
37 done
38}
39
40# Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH
41if [ "${ALLSOURCE_ARCHS}" = "" ]; then
42 ALLSOURCE_ARCHS=${SRCARCH}
43elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then
44 find_all_archs
45fi
46
47# find sources in arch/$ARCH
48find_arch_sources()
49{
50 for i in $archincludedir; do
51 prune="$prune -wholename $i -prune -o"
52 done
53 find ${tree}arch/$1 $ignore $subarchprune $prune -name "$2" \
54 -not -type l -print;
55}
56
57# find sources in arch/$1/include
58find_arch_include_sources()
59{
60 include=$(find ${tree}arch/$1/ $subarchprune \
61 -name include -type d -print);
62 if [ -n "$include" ]; then
63 archincludedir="$archincludedir $include"
64 find $include $ignore -name "$2" -not -type l -print;
65 fi
66}
67
68# find sources in include/
69find_include_sources()
70{
71 find ${tree}include $ignore -name config -prune -o -name "$1" \
72 -not -type l -print;
73}
74
75# find sources in rest of tree
76# we could benefit from a list of dirs to search in here
77find_other_sources()
78{
79 find ${tree}* $ignore \
80 \( -path ${tree}include -o -path ${tree}arch -o -name '.tmp_*' \) -prune -o \
81 -name "$1" -not -type l -print;
82}
83
84find_sources()
85{
86 find_arch_sources $1 "$2"
87}
88
89all_sources()
90{
91 find_arch_include_sources ${SRCARCH} '*.[chS]'
92 if [ ! -z "$archinclude" ]; then
93 find_arch_include_sources $archinclude '*.[chS]'
94 fi
95 find_include_sources '*.[chS]'
96 for arch in $ALLSOURCE_ARCHS
97 do
98 find_sources $arch '*.[chS]'
99 done
100 find_other_sources '*.[chS]'
101}
102
103all_compiled_sources()
104{
105 for i in $(all_sources); do
106 case "$i" in
107 *.[cS])
108 j=${i/\.[cS]/\.o}
109 j="${j#$tree}"
110 if [ -e $j ]; then
111 echo $i
112 fi
113 ;;
114 *)
115 echo $i
116 ;;
117 esac
118 done
119}
120
121all_target_sources()
122{
123 if [ -n "$COMPILED_SOURCE" ]; then
124 all_compiled_sources
125 else
126 all_sources
127 fi
128}
129
130all_kconfigs()
131{
132 find ${tree}arch/ -maxdepth 1 $ignore \
133 -name "Kconfig*" -not -type l -print;
134 for arch in $ALLSOURCE_ARCHS; do
135 find_sources $arch 'Kconfig*'
136 done
137 find_other_sources 'Kconfig*'
138}
139
140docscope()
141{
142 (echo \-k; echo \-q; all_target_sources) > cscope.files
143 cscope -b -f cscope.out
144}
145
146dogtags()
147{
148 all_target_sources | gtags -i -f -
149}
150
151# Basic regular expressions with an optional /kind-spec/ for ctags and
152# the following limitations:
153# - No regex modifiers
154# - Use \{0,1\} instead of \?, because etags expects an unescaped ?
155# - \s is not working with etags, use a space or [ \t]
156# - \w works, but does not match underscores in etags
157# - etags regular expressions have to match at the start of a line;
158# a ^[^#] is prepended by setup_regex unless an anchor is already present
159regex_asm=(
160 '/^\(ENTRY\|_GLOBAL\)(\([[:alnum:]_\\]*\)).*/\2/'
161)
162regex_c=(
163 '/^SYSCALL_DEFINE[0-9](\([[:alnum:]_]*\).*/sys_\1/'
164 '/^COMPAT_SYSCALL_DEFINE[0-9](\([[:alnum:]_]*\).*/compat_sys_\1/'
165 '/^TRACE_EVENT(\([[:alnum:]_]*\).*/trace_\1/'
166 '/^TRACE_EVENT(\([[:alnum:]_]*\).*/trace_\1_rcuidle/'
167 '/^DEFINE_EVENT([^,)]*, *\([[:alnum:]_]*\).*/trace_\1/'
168 '/^DEFINE_EVENT([^,)]*, *\([[:alnum:]_]*\).*/trace_\1_rcuidle/'
169 '/^DEFINE_INSN_CACHE_OPS(\([[:alnum:]_]*\).*/get_\1_slot/'
170 '/^DEFINE_INSN_CACHE_OPS(\([[:alnum:]_]*\).*/free_\1_slot/'
171 '/^PAGEFLAG(\([[:alnum:]_]*\).*/Page\1/'
172 '/^PAGEFLAG(\([[:alnum:]_]*\).*/SetPage\1/'
173 '/^PAGEFLAG(\([[:alnum:]_]*\).*/ClearPage\1/'
174 '/^TESTSETFLAG(\([[:alnum:]_]*\).*/TestSetPage\1/'
175 '/^TESTPAGEFLAG(\([[:alnum:]_]*\).*/Page\1/'
176 '/^SETPAGEFLAG(\([[:alnum:]_]*\).*/SetPage\1/'
177 '/\<__SETPAGEFLAG(\([[:alnum:]_]*\).*/__SetPage\1/'
178 '/\<TESTCLEARFLAG(\([[:alnum:]_]*\).*/TestClearPage\1/'
179 '/\<__TESTCLEARFLAG(\([[:alnum:]_]*\).*/TestClearPage\1/'
180 '/\<CLEARPAGEFLAG(\([[:alnum:]_]*\).*/ClearPage\1/'
181 '/\<__CLEARPAGEFLAG(\([[:alnum:]_]*\).*/__ClearPage\1/'
182 '/^__PAGEFLAG(\([[:alnum:]_]*\).*/__SetPage\1/'
183 '/^__PAGEFLAG(\([[:alnum:]_]*\).*/__ClearPage\1/'
184 '/^PAGEFLAG_FALSE(\([[:alnum:]_]*\).*/Page\1/'
185 '/\<TESTSCFLAG(\([[:alnum:]_]*\).*/TestSetPage\1/'
186 '/\<TESTSCFLAG(\([[:alnum:]_]*\).*/TestClearPage\1/'
187 '/\<SETPAGEFLAG_NOOP(\([[:alnum:]_]*\).*/SetPage\1/'
188 '/\<CLEARPAGEFLAG_NOOP(\([[:alnum:]_]*\).*/ClearPage\1/'
189 '/\<__CLEARPAGEFLAG_NOOP(\([[:alnum:]_]*\).*/__ClearPage\1/'
190 '/\<TESTCLEARFLAG_FALSE(\([[:alnum:]_]*\).*/TestClearPage\1/'
191 '/^PAGE_MAPCOUNT_OPS(\([[:alnum:]_]*\).*/Page\1/'
192 '/^PAGE_MAPCOUNT_OPS(\([[:alnum:]_]*\).*/__SetPage\1/'
193 '/^PAGE_MAPCOUNT_OPS(\([[:alnum:]_]*\).*/__ClearPage\1/'
194 '/^TASK_PFA_TEST([^,]*, *\([[:alnum:]_]*\))/task_\1/'
195 '/^TASK_PFA_SET([^,]*, *\([[:alnum:]_]*\))/task_set_\1/'
196 '/^TASK_PFA_CLEAR([^,]*, *\([[:alnum:]_]*\))/task_clear_\1/'
197 '/^DEF_MMIO_\(IN\|OUT\)_[XD](\([[:alnum:]_]*\),[^)]*)/\2/'
198 '/^DEBUGGER_BOILERPLATE(\([[:alnum:]_]*\))/\1/'
199 '/^DEF_PCI_AC_\(\|NO\)RET(\([[:alnum:]_]*\).*/\2/'
200 '/^PCI_OP_READ(\(\w*\).*[1-4])/pci_bus_read_config_\1/'
201 '/^PCI_OP_WRITE(\(\w*\).*[1-4])/pci_bus_write_config_\1/'
202 '/\<DEFINE_\(MUTEX\|SEMAPHORE\|SPINLOCK\)(\([[:alnum:]_]*\)/\2/v/'
203 '/\<DEFINE_\(RAW_SPINLOCK\|RWLOCK\|SEQLOCK\)(\([[:alnum:]_]*\)/\2/v/'
204 '/\<DECLARE_\(RWSEM\|COMPLETION\)(\([[:alnum:]_]\+\)/\2/v/'
205 '/\<DECLARE_BITMAP(\([[:alnum:]_]*\)/\1/v/'
206 '/\(^\|\s\)\(\|L\|H\)LIST_HEAD(\([[:alnum:]_]*\)/\3/v/'
207 '/\(^\|\s\)RADIX_TREE(\([[:alnum:]_]*\)/\2/v/'
208 '/\<DEFINE_PER_CPU([^,]*, *\([[:alnum:]_]*\)/\1/v/'
209 '/\<DEFINE_PER_CPU_SHARED_ALIGNED([^,]*, *\([[:alnum:]_]*\)/\1/v/'
210 '/\<DECLARE_WAIT_QUEUE_HEAD(\([[:alnum:]_]*\)/\1/v/'
211 '/\<DECLARE_\(TASKLET\|WORK\|DELAYED_WORK\)(\([[:alnum:]_]*\)/\2/v/'
212 '/\(^\s\)OFFSET(\([[:alnum:]_]*\)/\2/v/'
213 '/\(^\s\)DEFINE(\([[:alnum:]_]*\)/\2/v/'
214 '/\<DEFINE_HASHTABLE(\([[:alnum:]_]*\)/\1/v/'
215)
216regex_kconfig=(
217 '/^[[:blank:]]*\(menu\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/\2/'
218 '/^[[:blank:]]*\(menu\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/CONFIG_\2/'
219)
220setup_regex()
221{
222 local mode=$1 lang tmp=() r
223 shift
224
225 regex=()
226 for lang; do
227 case "$lang" in
228 asm) tmp=("${regex_asm[@]}") ;;
229 c) tmp=("${regex_c[@]}") ;;
230 kconfig) tmp=("${regex_kconfig[@]}") ;;
231 esac
232 for r in "${tmp[@]}"; do
233 if test "$mode" = "exuberant"; then
234 regex[${#regex[@]}]="--regex-$lang=${r}b"
235 else
236 # Remove ctags /kind-spec/
237 case "$r" in
238 /*/*/?/)
239 r=${r%?/}
240 esac
241 # Prepend ^[^#] unless already anchored
242 case "$r" in
243 /^*) ;;
244 *)
245 r="/^[^#]*${r#/}"
246 esac
247 regex[${#regex[@]}]="--regex=$r"
248 fi
249 done
250 done
251}
252
253exuberant()
254{
255 setup_regex exuberant asm c
256 all_target_sources | xargs $1 -a \
257 -I __initdata,__exitdata,__initconst, \
258 -I __initdata_memblock \
259 -I __refdata,__attribute,__maybe_unused,__always_unused \
260 -I __acquires,__releases,__deprecated \
261 -I __read_mostly,__aligned,____cacheline_aligned \
262 -I ____cacheline_aligned_in_smp \
263 -I __cacheline_aligned,__cacheline_aligned_in_smp \
264 -I ____cacheline_internodealigned_in_smp \
265 -I __used,__packed,__packed2__,__must_check,__must_hold \
266 -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL,ACPI_EXPORT_SYMBOL \
267 -I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
268 -I static,const \
269 --extra=+fq --c-kinds=+px --fields=+iaS --langmap=c:+.h \
270 "${regex[@]}"
271
272 setup_regex exuberant kconfig
273 all_kconfigs | xargs $1 -a \
274 --langdef=kconfig --language-force=kconfig "${regex[@]}"
275
276}
277
278emacs()
279{
280 setup_regex emacs asm c
281 all_target_sources | xargs $1 -a "${regex[@]}"
282
283 setup_regex emacs kconfig
284 all_kconfigs | xargs $1 -a "${regex[@]}"
285}
286
287xtags()
288{
289 if $1 --version 2>&1 | grep -iq exuberant; then
290 exuberant $1
291 elif $1 --version 2>&1 | grep -iq emacs; then
292 emacs $1
293 else
294 all_target_sources | xargs $1 -a
295 fi
296}
297
298# Support um (which uses SUBARCH)
299if [ "${ARCH}" = "um" ]; then
300 if [ "$SUBARCH" = "i386" ]; then
301 archinclude=x86
302 elif [ "$SUBARCH" = "x86_64" ]; then
303 archinclude=x86
304 else
305 archinclude=${SUBARCH}
306 fi
307elif [ "${SRCARCH}" = "arm" -a "${SUBARCH}" != "" ]; then
308 subarchdir=$(find ${tree}arch/$SRCARCH/ -name "mach-*" -type d -o \
309 -name "plat-*" -type d);
310 mach_suffix=$SUBARCH
311 plat_suffix=$SUBARCH
312
313 # Special cases when $plat_suffix != $mach_suffix
314 case $mach_suffix in
315 "omap1" | "omap2")
316 plat_suffix="omap"
317 ;;
318 esac
319
320 if [ ! -d ${tree}arch/$SRCARCH/mach-$mach_suffix ]; then
321 echo "Warning: arch/arm/mach-$mach_suffix/ not found." >&2
322 echo " Fix your \$SUBARCH appropriately" >&2
323 fi
324
325 for i in $subarchdir; do
326 case "$i" in
327 *"mach-"${mach_suffix})
328 ;;
329 *"plat-"${plat_suffix})
330 ;;
331 *)
332 subarchprune="$subarchprune \
333 -wholename $i -prune -o"
334 ;;
335 esac
336 done
337fi
338
339remove_structs=
340case "$1" in
341 "cscope")
342 docscope
343 ;;
344
345 "gtags")
346 dogtags
347 ;;
348
349 "tags")
350 rm -f tags
351 xtags ctags
352 remove_structs=y
353 ;;
354
355 "TAGS")
356 rm -f TAGS
357 xtags etags
358 remove_structs=y
359 ;;
360esac
361
362# Remove structure forward declarations.
363if [ -n "$remove_structs" ]; then
364 LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' $1
365fi
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0-only
3# Generate tags or cscope files
4# Usage tags.sh <mode>
5#
6# mode may be any of: tags, gtags, TAGS, cscope
7#
8# Uses the following environment variables:
9# SUBARCH, SRCARCH, srctree
10
11if [[ "$KBUILD_VERBOSE" =~ 1 ]]; then
12 set -x
13fi
14
15# RCS_FIND_IGNORE has escaped ()s -- remove them.
16ignore="$(echo "$RCS_FIND_IGNORE" | sed 's|\\||g' )"
17# tags and cscope files should also ignore MODVERSION *.mod.c files
18ignore="$ignore ( -name *.mod.c ) -prune -o"
19
20# ignore arbitrary directories
21if [ -n "${IGNORE_DIRS}" ]; then
22 for i in ${IGNORE_DIRS}; do
23 ignore="${ignore} ( -path $i ) -prune -o"
24 done
25fi
26
27# Use make KBUILD_ABS_SRCTREE=1 {tags|cscope}
28# to force full paths for a non-O= build
29if [ "${srctree}" = "." -o -z "${srctree}" ]; then
30 tree=
31else
32 tree=${srctree}/
33fi
34
35# gtags(1) refuses to index any file outside of its current working dir.
36# If gtags indexing is requested and the build output directory is not
37# the kernel source tree, index all files in absolute-path form.
38if [[ "$1" == "gtags" && -n "${tree}" ]]; then
39 tree=$(realpath "$tree")/
40fi
41
42# Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH
43if [ "${ALLSOURCE_ARCHS}" = "" ]; then
44 ALLSOURCE_ARCHS=${SRCARCH}
45elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then
46 ALLSOURCE_ARCHS=$(find ${tree}arch/ -mindepth 1 -maxdepth 1 -type d -printf '%f ')
47fi
48
49# find sources in arch/$1
50find_arch_sources()
51{
52 for i in $archincludedir; do
53 local prune="$prune ( -path $i ) -prune -o"
54 done
55 find ${tree}arch/$1 $ignore $prune -name "$2" -not -type l -print;
56}
57
58# find sources in arch/$1/include
59find_arch_include_sources()
60{
61 local include=$(find ${tree}arch/$1/ -name include -type d -print);
62 if [ -n "$include" ]; then
63 archincludedir="$archincludedir $include"
64 find $include $ignore -name "$2" -not -type l -print;
65 fi
66}
67
68# find sources in include/
69find_include_sources()
70{
71 find ${tree}include $ignore -name config -prune -o -name "$1" \
72 -not -type l -print;
73}
74
75# find sources in rest of tree
76# we could benefit from a list of dirs to search in here
77find_other_sources()
78{
79 find ${tree}* $ignore \
80 \( -path ${tree}include -o -path ${tree}arch -o -name '.tmp_*' \) -prune -o \
81 -name "$1" -not -type l -print;
82}
83
84all_sources()
85{
86 find_arch_include_sources ${SRCARCH} '*.[chS]'
87 if [ -n "$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_arch_sources $arch '*.[chS]'
94 done
95 find_other_sources '*.[chS]'
96}
97
98all_compiled_sources()
99{
100 {
101 echo include/generated/autoconf.h
102 find $ignore -name "*.cmd" -exec \
103 grep -Poh '(?<=^ )\S+|(?<== )\S+[^\\](?=$)' {} \+ |
104 awk '!a[$0]++'
105 } | xargs realpath -esq $([ -z "$KBUILD_ABS_SRCTREE" ] && echo --relative-to=.) |
106 sort -u
107}
108
109all_target_sources()
110{
111 if [ -n "$COMPILED_SOURCE" ]; then
112 all_compiled_sources
113 else
114 all_sources
115 fi
116}
117
118all_kconfigs()
119{
120 find ${tree}arch/ -maxdepth 1 $ignore \
121 -name "Kconfig*" -not -type l -print;
122 for arch in $ALLSOURCE_ARCHS; do
123 find_arch_sources $arch 'Kconfig*'
124 done
125 find_other_sources 'Kconfig*'
126}
127
128docscope()
129{
130 (echo \-k; echo \-q; all_target_sources) > cscope.files
131 cscope -b -f cscope.out
132}
133
134dogtags()
135{
136 all_target_sources | gtags -i -C "${tree:-.}" -f - "$PWD"
137}
138
139# Basic regular expressions with an optional /kind-spec/ for ctags and
140# the following limitations:
141# - No regex modifiers
142# - Use \{0,1\} instead of \?, because etags expects an unescaped ?
143# - \s is not working with etags, use a space or [ \t]
144# - \w works, but does not match underscores in etags
145# - etags regular expressions have to match at the start of a line;
146# a ^[^#] is prepended by setup_regex unless an anchor is already present
147regex_asm=(
148 '/^\(ENTRY\|_GLOBAL\)([[:space:]]*\([[:alnum:]_\\]*\)).*/\2/'
149)
150regex_c=(
151 '/^SYSCALL_DEFINE[0-9]([[:space:]]*\([[:alnum:]_]*\).*/sys_\1/'
152 '/^BPF_CALL_[0-9]([[:space:]]*\([[:alnum:]_]*\).*/\1/'
153 '/^COMPAT_SYSCALL_DEFINE[0-9]([[:space:]]*\([[:alnum:]_]*\).*/compat_sys_\1/'
154 '/^TRACE_EVENT([[:space:]]*\([[:alnum:]_]*\).*/trace_\1/'
155 '/^DEFINE_EVENT([^,)]*,[[:space:]]*\([[:alnum:]_]*\).*/trace_\1/'
156 '/^DEFINE_INSN_CACHE_OPS([[:space:]]*\([[:alnum:]_]*\).*/get_\1_slot/'
157 '/^DEFINE_INSN_CACHE_OPS([[:space:]]*\([[:alnum:]_]*\).*/free_\1_slot/'
158 '/^PAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/Page\1/'
159 '/^PAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/SetPage\1/'
160 '/^PAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/ClearPage\1/'
161 '/^TESTSETFLAG([[:space:]]*\([[:alnum:]_]*\).*/TestSetPage\1/'
162 '/^TESTPAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/Page\1/'
163 '/^SETPAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/SetPage\1/'
164 '/\<__SETPAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/__SetPage\1/'
165 '/\<TESTCLEARFLAG([[:space:]]*\([[:alnum:]_]*\).*/TestClearPage\1/'
166 '/\<__TESTCLEARFLAG([[:space:]]*\([[:alnum:]_]*\).*/TestClearPage\1/'
167 '/\<CLEARPAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/ClearPage\1/'
168 '/\<__CLEARPAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/__ClearPage\1/'
169 '/^__PAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/__SetPage\1/'
170 '/^__PAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/__ClearPage\1/'
171 '/^PAGEFLAG_FALSE([[:space:]]*\([[:alnum:]_]*\).*/Page\1/'
172 '/\<TESTSCFLAG([[:space:]]*\([[:alnum:]_]*\).*/TestSetPage\1/'
173 '/\<TESTSCFLAG([[:space:]]*\([[:alnum:]_]*\).*/TestClearPage\1/'
174 '/\<SETPAGEFLAG_NOOP([[:space:]]*\([[:alnum:]_]*\).*/SetPage\1/'
175 '/\<CLEARPAGEFLAG_NOOP([[:space:]]*\([[:alnum:]_]*\).*/ClearPage\1/'
176 '/\<__CLEARPAGEFLAG_NOOP([[:space:]]*\([[:alnum:]_]*\).*/__ClearPage\1/'
177 '/\<TESTCLEARFLAG_FALSE([[:space:]]*\([[:alnum:]_]*\).*/TestClearPage\1/'
178 '/^PAGE_TYPE_OPS([[:space:]]*\([[:alnum:]_]*\).*/Page\1/'
179 '/^PAGE_TYPE_OPS([[:space:]]*\([[:alnum:]_]*\).*/__SetPage\1/'
180 '/^PAGE_TYPE_OPS([[:space:]]*\([[:alnum:]_]*\).*/__ClearPage\1/'
181 '/^TASK_PFA_TEST([^,]*,[[:space:]]*\([[:alnum:]_]*\))/task_\1/'
182 '/^TASK_PFA_SET([^,]*,[[:space:]]*\([[:alnum:]_]*\))/task_set_\1/'
183 '/^TASK_PFA_CLEAR([^,]*,[[:space:]]*\([[:alnum:]_]*\))/task_clear_\1/'
184 '/^DEF_MMIO_\(IN\|OUT\)_[XD]([[:space:]]*\([[:alnum:]_]*\),[^)]*)/\2/'
185 '/^DEBUGGER_BOILERPLATE([[:space:]]*\([[:alnum:]_]*\))/\1/'
186 '/^DEF_PCI_AC_\(\|NO\)RET([[:space:]]*\([[:alnum:]_]*\).*/\2/'
187 '/^PCI_OP_READ([[:space:]]*\(\w*\).*[1-4])/pci_bus_read_config_\1/'
188 '/^PCI_OP_WRITE([[:space:]]*\(\w*\).*[1-4])/pci_bus_write_config_\1/'
189 '/\<DEFINE_\(RT_MUTEX\|MUTEX\|SEMAPHORE\|SPINLOCK\)([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
190 '/\<DEFINE_\(RAW_SPINLOCK\|RWLOCK\|SEQLOCK\)([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
191 '/\<DECLARE_\(RWSEM\|COMPLETION\)([[:space:]]*\([[:alnum:]_]\+\)/\2/v/'
192 '/\<DECLARE_BITMAP([[:space:]]*\([[:alnum:]_]\+\)/\1/v/'
193 '/\(^\|\s\)\(\|L\|H\)LIST_HEAD([[:space:]]*\([[:alnum:]_]*\)/\3/v/'
194 '/\(^\|\s\)RADIX_TREE([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
195 '/\<DEFINE_PER_CPU([^,]*,[[:space:]]*\([[:alnum:]_]*\)/\1/v/'
196 '/\<DEFINE_PER_CPU_SHARED_ALIGNED([^,]*,[[:space:]]*\([[:alnum:]_]*\)/\1/v/'
197 '/\<DECLARE_WAIT_QUEUE_HEAD([[:space:]]*\([[:alnum:]_]*\)/\1/v/'
198 '/\<DECLARE_\(TASKLET\|WORK\|DELAYED_WORK\)([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
199 '/\(^\s\)OFFSET([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
200 '/\(^\s\)DEFINE([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
201 '/\<\(DEFINE\|DECLARE\)_HASHTABLE([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
202 '/\<DEFINE_ID\(R\|A\)([[:space:]]*\([[:alnum:]_]\+\)/\2/'
203 '/\<DEFINE_WD_CLASS([[:space:]]*\([[:alnum:]_]\+\)/\1/'
204 '/\<ATOMIC_NOTIFIER_HEAD([[:space:]]*\([[:alnum:]_]\+\)/\1/'
205 '/\<RAW_NOTIFIER_HEAD([[:space:]]*\([[:alnum:]_]\+\)/\1/'
206 '/\<DECLARE_FAULT_ATTR([[:space:]]*\([[:alnum:]_]\+\)/\1/'
207 '/\<BLOCKING_NOTIFIER_HEAD([[:space:]]*\([[:alnum:]_]\+\)/\1/'
208 '/\<DEVICE_ATTR_\(RW\|RO\|WO\)([[:space:]]*\([[:alnum:]_]\+\)/dev_attr_\2/'
209 '/\<DRIVER_ATTR_\(RW\|RO\|WO\)([[:space:]]*\([[:alnum:]_]\+\)/driver_attr_\2/'
210 '/\<\(DEFINE\|DECLARE\)_STATIC_KEY_\(TRUE\|FALSE\)\(\|_RO\)([[:space:]]*\([[:alnum:]_]\+\)/\4/'
211 '/^SEQCOUNT_LOCKTYPE(\([^,]*\),[[:space:]]*\([^,]*\),[^)]*)/seqcount_\2_t/'
212 '/^SEQCOUNT_LOCKTYPE(\([^,]*\),[[:space:]]*\([^,]*\),[^)]*)/seqcount_\2_init/'
213 '/^\<DECLARE_IDTENTRY[[:alnum:]_]*([^,)]*,[[:space:]]*\([[:alnum:]_]\+\)/\1/'
214 '/^\<DEFINE_IDTENTRY[[:alnum:]_]*([[:space:]]*\([[:alnum:]_]\+\)/\1/'
215)
216regex_kconfig=(
217 '/^[[:blank:]]*\(menu\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/\2/'
218 '/^[[:blank:]]*\(menu\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/CONFIG_\2/'
219)
220setup_regex()
221{
222 local mode=$1 lang tmp=() r
223 shift
224
225 regex=()
226 for lang; do
227 case "$lang" in
228 asm) tmp=("${regex_asm[@]}") ;;
229 c) tmp=("${regex_c[@]}") ;;
230 kconfig) tmp=("${regex_kconfig[@]}") ;;
231 esac
232 for r in "${tmp[@]}"; do
233 if test "$mode" = "exuberant"; then
234 regex[${#regex[@]}]="--regex-$lang=${r}b"
235 else
236 # Remove ctags /kind-spec/
237 case "$r" in
238 /*/*/?/)
239 r=${r%?/}
240 esac
241 # Prepend ^[^#] unless already anchored
242 case "$r" in
243 /^*) ;;
244 *)
245 r="/^[^#]*${r#/}"
246 esac
247 regex[${#regex[@]}]="--regex=$r"
248 fi
249 done
250 done
251}
252
253exuberant()
254{
255 CTAGS_EXTRA="extra"
256 if $1 --version 2>&1 | grep -iq universal; then
257 CTAGS_EXTRA="extras"
258 fi
259 setup_regex exuberant asm c
260 # identifiers to ignore by ctags
261 local ign=(
262 ACPI_EXPORT_SYMBOL
263 DEFINE_{TRACE,MUTEX}
264 EXPORT_SYMBOL EXPORT_SYMBOL_GPL
265 EXPORT_TRACEPOINT_SYMBOL EXPORT_TRACEPOINT_SYMBOL_GPL
266 ____cacheline_aligned ____cacheline_aligned_in_smp
267 ____cacheline_internodealigned_in_smp
268 __acquires __aligned __always_inline __always_unused
269 __attribute
270 __cacheline_aligned __cacheline_aligned_in_smp
271 __deprecated
272 __exitdata
273 __initconst __initdata __initdata_memblock
274 __maybe_unused __must_check __must_hold
275 __packed __packed2__
276 __read_mostly __refdata __releases __ro_after_init
277 __used
278 const
279 static
280 )
281 all_target_sources | \
282 xargs $1 -a -I "$(IFS=','; echo "${ign[*]}")" \
283 --$CTAGS_EXTRA=+fq --c-kinds=+px --fields=+iaS --langmap=c:+.h \
284 "${regex[@]}"
285
286 KCONFIG_ARGS=()
287 if ! $1 --list-languages | grep -iq kconfig; then
288 setup_regex exuberant kconfig
289 KCONFIG_ARGS=(--langdef=kconfig --language-force=kconfig "${regex[@]}")
290 fi
291 all_kconfigs | xargs $1 -a "${KCONFIG_ARGS[@]}"
292}
293
294emacs()
295{
296 setup_regex emacs asm c
297 all_target_sources | xargs $1 -a "${regex[@]}"
298
299 setup_regex emacs kconfig
300 all_kconfigs | xargs $1 -a "${regex[@]}"
301}
302
303xtags()
304{
305 if $1 --version 2>&1 | grep -iq exuberant; then
306 exuberant $1
307 elif $1 --version 2>&1 | grep -iq emacs; then
308 emacs $1
309 else
310 all_target_sources | xargs $1 -a
311 fi
312}
313
314# Support um (which uses SUBARCH)
315if [ "${ARCH}" = "um" ]; then
316 if [ "$SUBARCH" = "i386" ]; then
317 archinclude=x86
318 elif [ "$SUBARCH" = "x86_64" ]; then
319 archinclude=x86
320 else
321 archinclude=${SUBARCH}
322 fi
323fi
324
325remove_structs=
326case "$1" in
327 "cscope")
328 docscope
329 ;;
330
331 "gtags")
332 dogtags
333 ;;
334
335 "tags")
336 rm -f tags
337 xtags ctags
338 remove_structs=y
339 ;;
340
341 "TAGS")
342 rm -f TAGS
343 xtags etags
344 remove_structs=y
345 ;;
346esac
347
348# Remove structure forward declarations.
349if [ -n "$remove_structs" ]; then
350 LC_ALL=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' $1
351fi