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