Linux Audio

Check our new training course

Loading...
v5.14.15
  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=${srctree}/
 26fi
 27
 28# ignore userspace tools
 29if [ -n "$COMPILED_SOURCE" ]; then
 30	ignore="$ignore ( -path ./tools ) -prune -o"
 31else
 32	ignore="$ignore ( -path ${tree}tools ) -prune -o"
 33fi
 
 
 34
 35# Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH
 36if [ "${ALLSOURCE_ARCHS}" = "" ]; then
 37	ALLSOURCE_ARCHS=${SRCARCH}
 38elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then
 39	ALLSOURCE_ARCHS=$(find ${tree}arch/ -mindepth 1 -maxdepth 1 -type d -printf '%f ')
 40fi
 41
 42# find sources in arch/$1
 43find_arch_sources()
 44{
 45	for i in $archincludedir; do
 46		prune="$prune -wholename $i -prune -o"
 47	done
 48	find ${tree}arch/$1 $ignore $prune -name "$2" -not -type l -print;
 49}
 50
 51# find sources in arch/$1/include
 52find_arch_include_sources()
 53{
 54	include=$(find ${tree}arch/$1/ -name include -type d -print);
 55	if [ -n "$include" ]; then
 56		archincludedir="$archincludedir $include"
 57		find $include $ignore -name "$2" -not -type l -print;
 58	fi
 59}
 60
 61# find sources in include/
 62find_include_sources()
 63{
 64	find ${tree}include $ignore -name config -prune -o -name "$1" \
 65		-not -type l -print;
 66}
 67
 68# find sources in rest of tree
 69# we could benefit from a list of dirs to search in here
 70find_other_sources()
 71{
 72	find ${tree}* $ignore \
 73	     \( -path ${tree}include -o -path ${tree}arch -o -name '.tmp_*' \) -prune -o \
 74	       -name "$1" -not -type l -print;
 75}
 76
 77find_sources()
 78{
 79	find_arch_sources $1 "$2"
 80}
 81
 82all_sources()
 83{
 84	find_arch_include_sources ${SRCARCH} '*.[chS]'
 85	if [ ! -z "$archinclude" ]; then
 86		find_arch_include_sources $archinclude '*.[chS]'
 87	fi
 88	find_include_sources '*.[chS]'
 89	for arch in $ALLSOURCE_ARCHS
 90	do
 91		find_sources $arch '*.[chS]'
 92	done
 93	find_other_sources '*.[chS]'
 94}
 95
 96all_compiled_sources()
 97{
 98	realpath -es $([ -z "$KBUILD_ABS_SRCTREE" ] && echo --relative-to=.) \
 99		include/generated/autoconf.h $(find $ignore -name "*.cmd" -exec \
100		grep -Poh '(?(?=^source_.* \K).*|(?=^  \K\S).*(?= \\))' {} \+ |
101		awk '!a[$0]++') | sort -u
102}
103
104all_target_sources()
105{
106	if [ -n "$COMPILED_SOURCE" ]; then
107		all_compiled_sources
108	else
109		all_sources
110	fi
111}
112
113all_kconfigs()
114{
115	find ${tree}arch/ -maxdepth 1 $ignore \
116	       -name "Kconfig*" -not -type l -print;
117	for arch in $ALLSOURCE_ARCHS; do
118		find_sources $arch 'Kconfig*'
119	done
120	find_other_sources 'Kconfig*'
121}
122
 
 
 
 
 
123docscope()
124{
125	(echo \-k; echo \-q; all_target_sources) > cscope.files
126	cscope -b -f cscope.out
127}
128
129dogtags()
130{
131	all_target_sources | gtags -i -f -
132}
133
134# Basic regular expressions with an optional /kind-spec/ for ctags and
135# the following limitations:
136# - No regex modifiers
137# - Use \{0,1\} instead of \?, because etags expects an unescaped ?
138# - \s is not working with etags, use a space or [ \t]
139# - \w works, but does not match underscores in etags
140# - etags regular expressions have to match at the start of a line;
141#   a ^[^#] is prepended by setup_regex unless an anchor is already present
142regex_asm=(
143	'/^\(ENTRY\|_GLOBAL\)(\([[:alnum:]_\\]*\)).*/\2/'
144)
145regex_c=(
146	'/^SYSCALL_DEFINE[0-9](\([[:alnum:]_]*\).*/sys_\1/'
147	'/^BPF_CALL_[0-9](\([[:alnum:]_]*\).*/\1/'
148	'/^COMPAT_SYSCALL_DEFINE[0-9](\([[:alnum:]_]*\).*/compat_sys_\1/'
149	'/^TRACE_EVENT(\([[:alnum:]_]*\).*/trace_\1/'
150	'/^TRACE_EVENT(\([[:alnum:]_]*\).*/trace_\1_rcuidle/'
151	'/^DEFINE_EVENT([^,)]*, *\([[:alnum:]_]*\).*/trace_\1/'
152	'/^DEFINE_EVENT([^,)]*, *\([[:alnum:]_]*\).*/trace_\1_rcuidle/'
153	'/^DEFINE_INSN_CACHE_OPS(\([[:alnum:]_]*\).*/get_\1_slot/'
154	'/^DEFINE_INSN_CACHE_OPS(\([[:alnum:]_]*\).*/free_\1_slot/'
155	'/^PAGEFLAG(\([[:alnum:]_]*\).*/Page\1/'
156	'/^PAGEFLAG(\([[:alnum:]_]*\).*/SetPage\1/'
157	'/^PAGEFLAG(\([[:alnum:]_]*\).*/ClearPage\1/'
158	'/^TESTSETFLAG(\([[:alnum:]_]*\).*/TestSetPage\1/'
159	'/^TESTPAGEFLAG(\([[:alnum:]_]*\).*/Page\1/'
160	'/^SETPAGEFLAG(\([[:alnum:]_]*\).*/SetPage\1/'
161	'/\<__SETPAGEFLAG(\([[:alnum:]_]*\).*/__SetPage\1/'
162	'/\<TESTCLEARFLAG(\([[:alnum:]_]*\).*/TestClearPage\1/'
163	'/\<__TESTCLEARFLAG(\([[:alnum:]_]*\).*/TestClearPage\1/'
164	'/\<CLEARPAGEFLAG(\([[:alnum:]_]*\).*/ClearPage\1/'
165	'/\<__CLEARPAGEFLAG(\([[:alnum:]_]*\).*/__ClearPage\1/'
166	'/^__PAGEFLAG(\([[:alnum:]_]*\).*/__SetPage\1/'
167	'/^__PAGEFLAG(\([[:alnum:]_]*\).*/__ClearPage\1/'
168	'/^PAGEFLAG_FALSE(\([[:alnum:]_]*\).*/Page\1/'
169	'/\<TESTSCFLAG(\([[:alnum:]_]*\).*/TestSetPage\1/'
170	'/\<TESTSCFLAG(\([[:alnum:]_]*\).*/TestClearPage\1/'
171	'/\<SETPAGEFLAG_NOOP(\([[:alnum:]_]*\).*/SetPage\1/'
172	'/\<CLEARPAGEFLAG_NOOP(\([[:alnum:]_]*\).*/ClearPage\1/'
173	'/\<__CLEARPAGEFLAG_NOOP(\([[:alnum:]_]*\).*/__ClearPage\1/'
174	'/\<TESTCLEARFLAG_FALSE(\([[:alnum:]_]*\).*/TestClearPage\1/'
175	'/^PAGE_TYPE_OPS(\([[:alnum:]_]*\).*/Page\1/'
176	'/^PAGE_TYPE_OPS(\([[:alnum:]_]*\).*/__SetPage\1/'
177	'/^PAGE_TYPE_OPS(\([[:alnum:]_]*\).*/__ClearPage\1/'
178	'/^TASK_PFA_TEST([^,]*, *\([[:alnum:]_]*\))/task_\1/'
179	'/^TASK_PFA_SET([^,]*, *\([[:alnum:]_]*\))/task_set_\1/'
180	'/^TASK_PFA_CLEAR([^,]*, *\([[:alnum:]_]*\))/task_clear_\1/'
181	'/^DEF_MMIO_\(IN\|OUT\)_[XD](\([[:alnum:]_]*\),[^)]*)/\2/'
182	'/^DEBUGGER_BOILERPLATE(\([[:alnum:]_]*\))/\1/'
183	'/^DEF_PCI_AC_\(\|NO\)RET(\([[:alnum:]_]*\).*/\2/'
184	'/^PCI_OP_READ(\(\w*\).*[1-4])/pci_bus_read_config_\1/'
185	'/^PCI_OP_WRITE(\(\w*\).*[1-4])/pci_bus_write_config_\1/'
186	'/\<DEFINE_\(RT_MUTEX\|MUTEX\|SEMAPHORE\|SPINLOCK\)(\([[:alnum:]_]*\)/\2/v/'
187	'/\<DEFINE_\(RAW_SPINLOCK\|RWLOCK\|SEQLOCK\)(\([[:alnum:]_]*\)/\2/v/'
188	'/\<DECLARE_\(RWSEM\|COMPLETION\)(\([[:alnum:]_]\+\)/\2/v/'
189	'/\<DECLARE_BITMAP(\([[:alnum:]_]*\)/\1/v/'
190	'/\(^\|\s\)\(\|L\|H\)LIST_HEAD(\([[:alnum:]_]*\)/\3/v/'
191	'/\(^\|\s\)RADIX_TREE(\([[:alnum:]_]*\)/\2/v/'
192	'/\<DEFINE_PER_CPU([^,]*, *\([[:alnum:]_]*\)/\1/v/'
193	'/\<DEFINE_PER_CPU_SHARED_ALIGNED([^,]*, *\([[:alnum:]_]*\)/\1/v/'
194	'/\<DECLARE_WAIT_QUEUE_HEAD(\([[:alnum:]_]*\)/\1/v/'
195	'/\<DECLARE_\(TASKLET\|WORK\|DELAYED_WORK\)(\([[:alnum:]_]*\)/\2/v/'
196	'/\(^\s\)OFFSET(\([[:alnum:]_]*\)/\2/v/'
197	'/\(^\s\)DEFINE(\([[:alnum:]_]*\)/\2/v/'
198	'/\<\(DEFINE\|DECLARE\)_HASHTABLE(\([[:alnum:]_]*\)/\2/v/'
199	'/\<DEFINE_ID\(R\|A\)(\([[:alnum:]_]\+\)/\2/'
200	'/\<DEFINE_WD_CLASS(\([[:alnum:]_]\+\)/\1/'
201	'/\<ATOMIC_NOTIFIER_HEAD(\([[:alnum:]_]\+\)/\1/'
202	'/\<RAW_NOTIFIER_HEAD(\([[:alnum:]_]\+\)/\1/'
203	'/\<DECLARE_FAULT_ATTR(\([[:alnum:]_]\+\)/\1/'
204	'/\<BLOCKING_NOTIFIER_HEAD(\([[:alnum:]_]\+\)/\1/'
205	'/\<DEVICE_ATTR_\(RW\|RO\|WO\)(\([[:alnum:]_]\+\)/dev_attr_\2/'
206	'/\<DRIVER_ATTR_\(RW\|RO\|WO\)(\([[:alnum:]_]\+\)/driver_attr_\2/'
207	'/\<\(DEFINE\|DECLARE\)_STATIC_KEY_\(TRUE\|FALSE\)\(\|_RO\)(\([[:alnum:]_]\+\)/\4/'
208	'/^SEQCOUNT_LOCKTYPE(\([^,]*\),[[:space:]]*\([^,]*\),[^)]*)/seqcount_\2_t/'
209	'/^SEQCOUNT_LOCKTYPE(\([^,]*\),[[:space:]]*\([^,]*\),[^)]*)/seqcount_\2_init/'
210)
211regex_kconfig=(
212	'/^[[:blank:]]*\(menu\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/\2/'
213	'/^[[:blank:]]*\(menu\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/CONFIG_\2/'
214)
215setup_regex()
216{
217	local mode=$1 lang tmp=() r
218	shift
219
220	regex=()
221	for lang; do
222		case "$lang" in
223		asm)       tmp=("${regex_asm[@]}") ;;
224		c)         tmp=("${regex_c[@]}") ;;
225		kconfig)   tmp=("${regex_kconfig[@]}") ;;
226		esac
227		for r in "${tmp[@]}"; do
228			if test "$mode" = "exuberant"; then
229				regex[${#regex[@]}]="--regex-$lang=${r}b"
230			else
231				# Remove ctags /kind-spec/
232				case "$r" in
233				/*/*/?/)
234					r=${r%?/}
235				esac
236				# Prepend ^[^#] unless already anchored
237				case "$r" in
238				/^*) ;;
239				*)
240					r="/^[^#]*${r#/}"
241				esac
242				regex[${#regex[@]}]="--regex=$r"
243			fi
244		done
245	done
246}
247
248exuberant()
249{
250	setup_regex exuberant asm c
251	all_target_sources | xargs $1 -a                        \
252	-I __initdata,__exitdata,__initconst,__ro_after_init	\
253	-I __initdata_memblock					\
254	-I __refdata,__attribute,__maybe_unused,__always_unused \
255	-I __acquires,__releases,__deprecated,__always_inline	\
256	-I __read_mostly,__aligned,____cacheline_aligned        \
257	-I ____cacheline_aligned_in_smp                         \
258	-I __cacheline_aligned,__cacheline_aligned_in_smp	\
259	-I ____cacheline_internodealigned_in_smp                \
260	-I __used,__packed,__packed2__,__must_check,__must_hold	\
261	-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL,ACPI_EXPORT_SYMBOL   \
262	-I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
263	-I static,const						\
264	--extra=+fq --c-kinds=+px --fields=+iaS --langmap=c:+.h \
265	"${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
v3.5.6
  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 $prune -name "$2" -print;
 52}
 53
 54# find sources in arch/$1/include
 55find_arch_include_sources()
 56{
 57	include=$(find ${tree}arch/$1/ -name include -type d);
 58	if [ -n "$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_kconfigs()
 99{
 
 
100	for arch in $ALLSOURCE_ARCHS; do
101		find_sources $arch 'Kconfig*'
102	done
103	find_other_sources 'Kconfig*'
104}
105
106all_defconfigs()
107{
108	find_sources $ALLSOURCE_ARCHS "defconfig"
109}
110
111docscope()
112{
113	(echo \-k; echo \-q; all_sources) > cscope.files
114	cscope -b -f cscope.out
115}
116
117dogtags()
118{
119	all_sources | gtags -i -f -
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
120}
121
122exuberant()
123{
124	all_sources | xargs $1 -a                               \
125	-I __initdata,__exitdata,__acquires,__releases          \
126	-I __read_mostly,____cacheline_aligned                  \
 
 
 
 
127	-I ____cacheline_aligned_in_smp                         \
 
128	-I ____cacheline_internodealigned_in_smp                \
129	-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL                      \
 
130	-I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
131	--extra=+f --c-kinds=+px                                \
132	--regex-asm='/^(ENTRY|_GLOBAL)\(([^)]*)\).*/\2/'        \
133	--regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/' \
134	--regex-c++='/^TRACE_EVENT\(([^,)]*).*/trace_\1/'		\
135	--regex-c++='/^DEFINE_EVENT\([^,)]*, *([^,)]*).*/trace_\1/'	\
136	--regex-c++='/PAGEFLAG\(([^,)]*).*/Page\1/'			\
137	--regex-c++='/PAGEFLAG\(([^,)]*).*/SetPage\1/'			\
138	--regex-c++='/PAGEFLAG\(([^,)]*).*/ClearPage\1/'		\
139	--regex-c++='/TESTSETFLAG\(([^,)]*).*/TestSetPage\1/'		\
140	--regex-c++='/TESTPAGEFLAG\(([^,)]*).*/Page\1/'			\
141	--regex-c++='/SETPAGEFLAG\(([^,)]*).*/SetPage\1/'		\
142	--regex-c++='/__SETPAGEFLAG\(([^,)]*).*/__SetPage\1/'		\
143	--regex-c++='/TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/'	\
144	--regex-c++='/__TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/'	\
145	--regex-c++='/CLEARPAGEFLAG\(([^,)]*).*/ClearPage\1/'		\
146	--regex-c++='/__CLEARPAGEFLAG\(([^,)]*).*/__ClearPage\1/'	\
147	--regex-c++='/__PAGEFLAG\(([^,)]*).*/__SetPage\1/'		\
148	--regex-c++='/__PAGEFLAG\(([^,)]*).*/__ClearPage\1/'		\
149	--regex-c++='/PAGEFLAG_FALSE\(([^,)]*).*/Page\1/'		\
150	--regex-c++='/TESTSCFLAG\(([^,)]*).*/TestSetPage\1/'		\
151	--regex-c++='/TESTSCFLAG\(([^,)]*).*/TestClearPage\1/'		\
152	--regex-c++='/SETPAGEFLAG_NOOP\(([^,)]*).*/SetPage\1/'		\
153	--regex-c++='/CLEARPAGEFLAG_NOOP\(([^,)]*).*/ClearPage\1/'	\
154	--regex-c++='/__CLEARPAGEFLAG_NOOP\(([^,)]*).*/__ClearPage\1/'	\
155	--regex-c++='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \
156	--regex-c++='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/'
157
158	all_kconfigs | xargs $1 -a                              \
159	--langdef=kconfig --language-force=kconfig              \
160	--regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/'
161
 
162	all_kconfigs | xargs $1 -a                              \
163	--langdef=kconfig --language-force=kconfig              \
164	--regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/CONFIG_\2/'
165
166	all_defconfigs | xargs -r $1 -a                         \
167	--langdef=dotconfig --language-force=dotconfig          \
168	--regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/'
169}
170
171emacs()
172{
173	all_sources | xargs $1 -a                               \
174	--regex='/^(ENTRY|_GLOBAL)(\([^)]*\)).*/\2/'            \
175	--regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/'   \
176	--regex='/^TRACE_EVENT(\([^,)]*\).*/trace_\1/'		\
177	--regex='/^DEFINE_EVENT([^,)]*, *\([^,)]*\).*/trace_\1/' \
178	--regex='/PAGEFLAG\(([^,)]*).*/Page\1/'			\
179	--regex='/PAGEFLAG\(([^,)]*).*/SetPage\1/'		\
180	--regex='/PAGEFLAG\(([^,)]*).*/ClearPage\1/'		\
181	--regex='/TESTSETFLAG\(([^,)]*).*/TestSetPage\1/'	\
182	--regex='/TESTPAGEFLAG\(([^,)]*).*/Page\1/'		\
183	--regex='/SETPAGEFLAG\(([^,)]*).*/SetPage\1/'		\
184	--regex='/__SETPAGEFLAG\(([^,)]*).*/__SetPage\1/'	\
185	--regex='/TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/'	\
186	--regex='/__TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/'	\
187	--regex='/CLEARPAGEFLAG\(([^,)]*).*/ClearPage\1/'	\
188	--regex='/__CLEARPAGEFLAG\(([^,)]*).*/__ClearPage\1/'	\
189	--regex='/__PAGEFLAG\(([^,)]*).*/__SetPage\1/'		\
190	--regex='/__PAGEFLAG\(([^,)]*).*/__ClearPage\1/'	\
191	--regex='/PAGEFLAG_FALSE\(([^,)]*).*/Page\1/'		\
192	--regex='/TESTSCFLAG\(([^,)]*).*/TestSetPage\1/'	\
193	--regex='/TESTSCFLAG\(([^,)]*).*/TestClearPage\1/'	\
194	--regex='/SETPAGEFLAG_NOOP\(([^,)]*).*/SetPage\1/'	\
195	--regex='/CLEARPAGEFLAG_NOOP\(([^,)]*).*/ClearPage\1/'	\
196	--regex='/__CLEARPAGEFLAG_NOOP\(([^,)]*).*/__ClearPage\1/' \
197	--regex='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \
198	--regex='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/'
199
200	all_kconfigs | xargs $1 -a                              \
201	--regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/'
202
203	all_kconfigs | xargs $1 -a                              \
204	--regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/CONFIG_\3/'
205
206	all_defconfigs | xargs -r $1 -a                         \
207	--regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/'
208}
209
210xtags()
211{
212	if $1 --version 2>&1 | grep -iq exuberant; then
213		exuberant $1
214	elif $1 --version 2>&1 | grep -iq emacs; then
215		emacs $1
216	else
217		all_sources | xargs $1 -a
218        fi
219}
220
221
222# Support um (which uses SUBARCH)
223if [ "${ARCH}" = "um" ]; then
224	if [ "$SUBARCH" = "i386" ]; then
225		archinclude=x86
226	elif [ "$SUBARCH" = "x86_64" ]; then
227		archinclude=x86
228	else
229		archinclude=${SUBARCH}
230	fi
231fi
232
233remove_structs=
234case "$1" in
235	"cscope")
236		docscope
237		;;
238
239	"gtags")
240		dogtags
241		;;
242
243	"tags")
244		rm -f tags
245		xtags ctags
246		remove_structs=y
247		;;
248
249	"TAGS")
250		rm -f TAGS
251		xtags etags
252		remove_structs=y
253		;;
254esac
255
256# Remove structure forward declarations.
257if [ -n "$remove_structs" ]; then
258    LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' $1
259fi