[linux-2.6-block.git] / scripts / tags.sh

#!/bin/bash
# Generate tags or cscope files
# Usage tags.sh <mode>
#
# mode may be any of: tags, TAGS, cscope
#
# Uses the following environment variables:
# ARCH, SUBARCH, SRCARCH, srctree, src, obj

if [ "$KBUILD_VERBOSE" = "1" ]; then
	set -x
fi

# RCS_FIND_IGNORE has escaped ()s -- remove them.
ignore="$(echo "$RCS_FIND_IGNORE" | sed 's|\\||g' )"
# tags and cscope files should also ignore MODVERSION *.mod.c files
ignore="$ignore ( -name *.mod.c ) -prune -o"

# Do not use full path if we do not use O=.. builds
# Use make O=. {tags|cscope}
# to force full paths for a non-O= build
if [ "${KBUILD_SRC}" = "" ]; then
	tree=
else
	tree=${srctree}/
fi

# ignore userspace tools
ignore="$ignore ( -path ${tree}tools ) -prune -o"

# Find all available archs
find_all_archs()
{
	ALLSOURCE_ARCHS=""
	for arch in `ls ${tree}arch`; do
		ALLSOURCE_ARCHS="${ALLSOURCE_ARCHS} "${arch##\/}
	done
}

# Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH
if [ "${ALLSOURCE_ARCHS}" = "" ]; then
	ALLSOURCE_ARCHS=${SRCARCH}
elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then
	find_all_archs
fi

# find sources in arch/$ARCH
find_arch_sources()
{
	for i in $archincludedir; do
		prune="$prune -wholename $i -prune -o"
	done
	find ${tree}arch/$1 $ignore $subarchprune $prune -name "$2" \
		-not -type l -print;
}

# find sources in arch/$1/include
find_arch_include_sources()
{
	include=$(find ${tree}arch/$1/ $subarchprune \
					-name include -type d -print);
	if [ -n "$include" ]; then
		archincludedir="$archincludedir $include"
		find $include $ignore -name "$2" -not -type l -print;
	fi
}

# find sources in include/
find_include_sources()
{
	find ${tree}include $ignore -name config -prune -o -name "$1" \
		-not -type l -print;
}

# find sources in rest of tree
# we could benefit from a list of dirs to search in here
find_other_sources()
{
	find ${tree}* $ignore \
	     \( -name include -o -name arch -o -name '.tmp_*' \) -prune -o \
	       -name "$1" -not -type l -print;
}

find_sources()
{
	find_arch_sources $1 "$2"
}

all_sources()
{
	find_arch_include_sources ${SRCARCH} '*.[chS]'
	if [ ! -z "$archinclude" ]; then
		find_arch_include_sources $archinclude '*.[chS]'
	fi
	find_include_sources '*.[chS]'
	for arch in $ALLSOURCE_ARCHS
	do
		find_sources $arch '*.[chS]'
	done
	find_other_sources '*.[chS]'
}

all_compiled_sources()
{
	for i in $(all_sources); do
		case "$i" in
			*.[cS])
				j=${i/\.[cS]/\.o}
				if [ -e $j ]; then
					echo $i
				fi
				;;
			*)
				echo $i
				;;
		esac
	done
}

all_target_sources()
{
	if [ -n "$COMPILED_SOURCE" ]; then
		all_compiled_sources
	else
		all_sources
	fi
}

all_kconfigs()
{
	for arch in $ALLSOURCE_ARCHS; do
		find_sources $arch 'Kconfig*'
	done
	find_other_sources 'Kconfig*'
}

docscope()
{
	(echo \-k; echo \-q; all_target_sources) > cscope.files
	cscope -b -f cscope.out
}

dogtags()
{
	all_target_sources | gtags -i -f -
}

# Basic regular expressions with an optional /kind-spec/ for ctags and
# the following limitations:
# - No regex modifiers
# - Use \{0,1\} instead of \?, because etags expects an unescaped ?
# - \s is not working with etags, use a space or [ \t]
# - \w works, but does not match underscores in etags
# - etags regular expressions have to match at the start of a line;
#   a ^[^#] is prepended by setup_regex unless an anchor is already present
regex_asm=(
	'/^\(ENTRY\|_GLOBAL\)(\([[:alnum:]_\\]*\)).*/\2/'
)
regex_c=(
	'/^SYSCALL_DEFINE[0-9](\([[:alnum:]_]*\).*/sys_\1/'
	'/^COMPAT_SYSCALL_DEFINE[0-9](\([[:alnum:]_]*\).*/compat_sys_\1/'
	'/^TRACE_EVENT(\([[:alnum:]_]*\).*/trace_\1/'
	'/^TRACE_EVENT(\([[:alnum:]_]*\).*/trace_\1_rcuidle/'
	'/^DEFINE_EVENT([^,)]*, *\([[:alnum:]_]*\).*/trace_\1/'
	'/^DEFINE_EVENT([^,)]*, *\([[:alnum:]_]*\).*/trace_\1_rcuidle/'
	'/^DEFINE_INSN_CACHE_OPS(\([[:alnum:]_]*\).*/get_\1_slot/'
	'/^DEFINE_INSN_CACHE_OPS(\([[:alnum:]_]*\).*/free_\1_slot/'
	'/^PAGEFLAG(\([[:alnum:]_]*\).*/Page\1/'
	'/^PAGEFLAG(\([[:alnum:]_]*\).*/SetPage\1/'
	'/^PAGEFLAG(\([[:alnum:]_]*\).*/ClearPage\1/'
	'/^TESTSETFLAG(\([[:alnum:]_]*\).*/TestSetPage\1/'
	'/^TESTPAGEFLAG(\([[:alnum:]_]*\).*/Page\1/'
	'/^SETPAGEFLAG(\([[:alnum:]_]*\).*/SetPage\1/'
	'/\<__SETPAGEFLAG(\([[:alnum:]_]*\).*/__SetPage\1/'
	'/\<TESTCLEARFLAG(\([[:alnum:]_]*\).*/TestClearPage\1/'
	'/\<__TESTCLEARFLAG(\([[:alnum:]_]*\).*/TestClearPage\1/'
	'/\<CLEARPAGEFLAG(\([[:alnum:]_]*\).*/ClearPage\1/'
	'/\<__CLEARPAGEFLAG(\([[:alnum:]_]*\).*/__ClearPage\1/'
	'/^__PAGEFLAG(\([[:alnum:]_]*\).*/__SetPage\1/'
	'/^__PAGEFLAG(\([[:alnum:]_]*\).*/__ClearPage\1/'
	'/^PAGEFLAG_FALSE(\([[:alnum:]_]*\).*/Page\1/'
	'/\<TESTSCFLAG(\([[:alnum:]_]*\).*/TestSetPage\1/'
	'/\<TESTSCFLAG(\([[:alnum:]_]*\).*/TestClearPage\1/'
	'/\<SETPAGEFLAG_NOOP(\([[:alnum:]_]*\).*/SetPage\1/'
	'/\<CLEARPAGEFLAG_NOOP(\([[:alnum:]_]*\).*/ClearPage\1/'
	'/\<__CLEARPAGEFLAG_NOOP(\([[:alnum:]_]*\).*/__ClearPage\1/'
	'/\<TESTCLEARFLAG_FALSE(\([[:alnum:]_]*\).*/TestClearPage\1/'
	'/^TASK_PFA_TEST([^,]*, *\([[:alnum:]_]*\))/task_\1/'
	'/^TASK_PFA_SET([^,]*, *\([[:alnum:]_]*\))/task_set_\1/'
	'/^TASK_PFA_CLEAR([^,]*, *\([[:alnum:]_]*\))/task_clear_\1/'
	'/^DEF_MMIO_\(IN\|OUT\)_[XD](\([[:alnum:]_]*\),[^)]*)/\2/'
	'/^DEBUGGER_BOILERPLATE(\([[:alnum:]_]*\))/\1/'
	'/^DEF_PCI_AC_\(\|NO\)RET(\([[:alnum:]_]*\).*/\2/'
	'/^PCI_OP_READ(\(\w*\).*[1-4])/pci_bus_read_config_\1/'
	'/^PCI_OP_WRITE(\(\w*\).*[1-4])/pci_bus_write_config_\1/'
	'/\<DEFINE_\(MUTEX\|SEMAPHORE\|SPINLOCK\)(\([[:alnum:]_]*\)/\2/v/'
	'/\<DEFINE_\(RAW_SPINLOCK\|RWLOCK\|SEQLOCK\)(\([[:alnum:]_]*\)/\2/v/'
	'/\<DECLARE_\(RWSEM\|COMPLETION\)(\([[:alnum:]_]\+\)/\2/v/'
	'/\<DECLARE_BITMAP(\([[:alnum:]_]*\)/\1/v/'
	'/\(^\|\s\)\(\|L\|H\)LIST_HEAD(\([[:alnum:]_]*\)/\3/v/'
	'/\(^\|\s\)RADIX_TREE(\([[:alnum:]_]*\)/\2/v/'
	'/\<DEFINE_PER_CPU([^,]*, *\([[:alnum:]_]*\)/\1/v/'
	'/\<DEFINE_PER_CPU_SHARED_ALIGNED([^,]*, *\([[:alnum:]_]*\)/\1/v/'
	'/\<DECLARE_WAIT_QUEUE_HEAD(\([[:alnum:]_]*\)/\1/v/'
	'/\<DECLARE_\(TASKLET\|WORK\|DELAYED_WORK\)(\([[:alnum:]_]*\)/\2/v/'
	'/\<DEFINE_PCI_DEVICE_TABLE(\([[:alnum:]_]*\)/\1/v/'
	'/\(^\s\)OFFSET(\([[:alnum:]_]*\)/\2/v/'
	'/\(^\s\)DEFINE(\([[:alnum:]_]*\)/\2/v/'
	'/\<DEFINE_HASHTABLE(\([[:alnum:]_]*\)/\1/v/'
)
regex_kconfig=(
	'/^[[:blank:]]*\(menu\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/\2/'
	'/^[[:blank:]]*\(menu\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/CONFIG_\2/'
)
setup_regex()
{
	local mode=$1 lang tmp=() r
	shift

	regex=()
	for lang; do
		case "$lang" in
		asm)       tmp=("${regex_asm[@]}") ;;
		c)         tmp=("${regex_c[@]}") ;;
		kconfig)   tmp=("${regex_kconfig[@]}") ;;
		esac
		for r in "${tmp[@]}"; do
			if test "$mode" = "exuberant"; then
				regex[${#regex[@]}]="--regex-$lang=${r}b"
			else
				# Remove ctags /kind-spec/
				case "$r" in
				/*/*/?/)
					r=${r%?/}
				esac
				# Prepend ^[^#] unless already anchored
				case "$r" in
				/^*) ;;
				*)
					r="/^[^#]*${r#/}"
				esac
				regex[${#regex[@]}]="--regex=$r"
			fi
		done
	done
}

exuberant()
{
	setup_regex exuberant asm c
	all_target_sources | xargs $1 -a                        \
	-I __initdata,__exitdata,__initconst,			\
	-I __initdata_memblock					\
	-I __refdata,__attribute,__maybe_unused,__always_unused \
	-I __acquires,__releases,__deprecated			\
	-I __read_mostly,__aligned,____cacheline_aligned        \
	-I ____cacheline_aligned_in_smp                         \
	-I __cacheline_aligned,__cacheline_aligned_in_smp	\
	-I ____cacheline_internodealigned_in_smp                \
	-I __used,__packed,__packed2__,__must_check,__must_hold	\
	-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL,ACPI_EXPORT_SYMBOL   \
	-I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
	-I static,const						\
	--extra=+f --c-kinds=+px --langmap=c:+.h "${regex[@]}"

	setup_regex exuberant kconfig
	all_kconfigs | xargs $1 -a                              \
	--langdef=kconfig --language-force=kconfig "${regex[@]}"

}

emacs()
{
	setup_regex emacs asm c
	all_target_sources | xargs $1 -a "${regex[@]}"

	setup_regex emacs kconfig
	all_kconfigs | xargs $1 -a "${regex[@]}"
}

xtags()
{
	if $1 --version 2>&1 | grep -iq exuberant; then
		exuberant $1
	elif $1 --version 2>&1 | grep -iq emacs; then
		emacs $1
	else
		all_target_sources | xargs $1 -a
	fi
}

# Support um (which uses SUBARCH)
if [ "${ARCH}" = "um" ]; then
	if [ "$SUBARCH" = "i386" ]; then
		archinclude=x86
	elif [ "$SUBARCH" = "x86_64" ]; then
		archinclude=x86
	else
		archinclude=${SUBARCH}
	fi
elif [ "${SRCARCH}" = "arm" -a "${SUBARCH}" != "" ]; then
	subarchdir=$(find ${tree}arch/$SRCARCH/ -name "mach-*" -type d -o \
							-name "plat-*" -type d);
	for i in $subarchdir; do
		case "$i" in
			*"mach-"${SUBARCH})
				;;
			*"plat-"${SUBARCH})
				;;
			*)
				subarchprune="$subarchprune \
						-wholename $i -prune -o"
				;;
		esac
	done
fi

remove_structs=
case "$1" in
	"cscope")
		docscope
		;;

	"gtags")
		dogtags
		;;

	"tags")
		rm -f tags
		xtags ctags
		remove_structs=y
		;;

	"TAGS")
		rm -f TAGS
		xtags etags
		remove_structs=y
		;;
esac

# Remove structure forward declarations.
if [ -n "$remove_structs" ]; then
    LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' $1
fi
Commit	Line	Data
93209d65	1	#!/bin/bash
a680eedc SR	2	# Generate tags or cscope files
	3	# Usage tags.sh <mode>
	4	#
	5	# mode may be any of: tags, TAGS, cscope
	6	#
	7	# Uses the following environment variables:
a8bac511	8	# ARCH, SUBARCH, SRCARCH, srctree, src, obj
a680eedc	9
a6ba0cb3	10	if [ "$KBUILD_VERBOSE" = "1" ]; then
a680eedc SR	11	set -x
	12	fi
	13
ae63b2d7 PB	14	# RCS_FIND_IGNORE has escaped ()s -- remove them.
	15	ignore="$(echo "$RCS_FIND_IGNORE" \| sed 's\|\\\|\|g' )"
	16	# tags and cscope files should also ignore MODVERSION *.mod.c files
	17	ignore="$ignore ( -name *.mod.c ) -prune -o"
a680eedc	18
4431d4ce	19	# Do not use full path if we do not use O=.. builds
e93bc1a0 MM	20	# Use make O=. {tags\|cscope}
e93bc1a0 MM	21	# to force full paths for a non-O= build
a6ba0cb3	22	if [ "${KBUILD_SRC}" = "" ]; then
a680eedc SR	23	tree=
a680eedc SR	24	else
709cc372	25	tree=${srctree}/
a680eedc SR	26	fi
a680eedc SR	27
8c38a532 KK	28	# ignore userspace tools
	29	ignore="$ignore ( -path ${tree}tools ) -prune -o"
	30
bc75cc6b JK	31	# Find all available archs
	32	find_all_archs()
	33	{
	34	ALLSOURCE_ARCHS=""
	35	for arch in `ls ${tree}arch`; do
	36	ALLSOURCE_ARCHS="${ALLSOURCE_ARCHS} "${arch##\/}
	37	done
	38	}
	39
4f628248 JS	40	# Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH
	41	if [ "${ALLSOURCE_ARCHS}" = "" ]; then
	42	ALLSOURCE_ARCHS=${SRCARCH}
bc75cc6b JK	43	elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then
bc75cc6b JK	44	find_all_archs
4f628248 JS	45	fi
4f628248 JS	46
a680eedc SR	47	# find sources in arch/$ARCH
	48	find_arch_sources()
	49	{
f81b1be4 GL	50	for i in $archincludedir; do
	51	prune="$prune -wholename $i -prune -o"
	52	done
9b24a15d YD	53	find ${tree}arch/$1 $ignore $subarchprune $prune -name "$2" \
9b24a15d YD	54	-not -type l -print;
a680eedc SR	55	}
	56
	57	# find sources in arch/$1/include
	58	find_arch_include_sources()
	59	{
59658509 JK	60	include=$(find ${tree}arch/$1/ $subarchprune \
59658509 JK	61	-name include -type d -print);
f81b1be4 GL	62	if [ -n "$include" ]; then
f81b1be4 GL	63	archincludedir="$archincludedir $include"
9b24a15d	64	find $include $ignore -name "$2" -not -type l -print;
f81b1be4	65	fi
a680eedc SR	66	}
	67
	68	# find sources in include/
	69	find_include_sources()
	70	{
9b24a15d YD	71	find ${tree}include $ignore -name config -prune -o -name "$1" \
9b24a15d YD	72	-not -type l -print;
a680eedc SR	73	}
	74
	75	# find sources in rest of tree
	76	# we could benefit from a list of dirs to search in here
	77	find_other_sources()
	78	{
	79	find ${tree}* $ignore \
	80	\( -name include -o -name arch -o -name '.tmp_*' \) -prune -o \
9b24a15d	81	-name "$1" -not -type l -print;
a680eedc SR	82	}
	83
	84	find_sources()
	85	{
709cc372	86	find_arch_sources $1 "$2"
a680eedc SR	87	}
	88
	89	all_sources()
	90	{
a8bac511	91	find_arch_include_sources ${SRCARCH} '*.[chS]'
a680eedc	92	if [ ! -z "$archinclude" ]; then
709cc372	93	find_arch_include_sources $archinclude '*.[chS]'
a680eedc	94	fi
4f628248	95	find_include_sources '*.[chS]'
f81b1be4 GL	96	for arch in $ALLSOURCE_ARCHS
	97	do
	98	find_sources $arch '*.[chS]'
	99	done
4f628248	100	find_other_sources '*.[chS]'
a680eedc SR	101	}
a680eedc SR	102
923e02ec JK	103	all_compiled_sources()
	104	{
	105	for i in $(all_sources); do
	106	case "$i" in
	107	*.[cS])
	108	j=${i/\.[cS]/\.o}
	109	if [ -e $j ]; then
	110	echo $i
	111	fi
	112	;;
	113	*)
	114	echo $i
	115	;;
	116	esac
	117	done
	118	}
	119
	120	all_target_sources()
	121	{
	122	if [ -n "$COMPILED_SOURCE" ]; then
	123	all_compiled_sources
	124	else
	125	all_sources
	126	fi
	127	}
	128
a680eedc SR	129	all_kconfigs()
a680eedc SR	130	{
953fae66 AD	131	for arch in $ALLSOURCE_ARCHS; do
	132	find_sources $arch 'Kconfig*'
	133	done
	134	find_other_sources 'Kconfig*'
a680eedc SR	135	}
a680eedc SR	136
a680eedc SR	137	docscope()
a680eedc SR	138	{
923e02ec	139	(echo \-k; echo \-q; all_target_sources) > cscope.files
a680eedc SR	140	cscope -b -f cscope.out
	141	}
	142
f4ed1009 JK	143	dogtags()
f4ed1009 JK	144	{
923e02ec	145	all_target_sources \| gtags -i -f -
f4ed1009 JK	146	}
f4ed1009 JK	147
93209d65 MM	148	# Basic regular expressions with an optional /kind-spec/ for ctags and
	149	# the following limitations:
	150	# - No regex modifiers
	151	# - Use \{0,1\} instead of \?, because etags expects an unescaped ?
	152	# - \s is not working with etags, use a space or [ \t]
	153	# - \w works, but does not match underscores in etags
	154	# - etags regular expressions have to match at the start of a line;
	155	# a ^[^#] is prepended by setup_regex unless an anchor is already present
	156	regex_asm=(
	157	'/^\(ENTRY\\|_GLOBAL\)(\([[:alnum:]_\\]\))./\2/'
	158	)
	159	regex_c=(
	160	'/^SYSCALL_DEFINE[0-9](\([[:alnum:]_]\)./sys_\1/'
	161	'/^COMPAT_SYSCALL_DEFINE[0-9](\([[:alnum:]_]\)./compat_sys_\1/'
	162	'/^TRACE_EVENT(\([[:alnum:]_]\)./trace_\1/'
	163	'/^TRACE_EVENT(\([[:alnum:]_]\)./trace_\1_rcuidle/'
	164	'/^DEFINE_EVENT([^,)], \([[:alnum:]_]\)./trace_\1/'
	165	'/^DEFINE_EVENT([^,)], \([[:alnum:]_]\)./trace_\1_rcuidle/'
0a9e7da6 NR	166	'/^DEFINE_INSN_CACHE_OPS(\([[:alnum:]_]\)./get_\1_slot/'
0a9e7da6 NR	167	'/^DEFINE_INSN_CACHE_OPS(\([[:alnum:]_]\)./free_\1_slot/'
93209d65 MM	168	'/^PAGEFLAG(\([[:alnum:]_]\)./Page\1/'
	169	'/^PAGEFLAG(\([[:alnum:]_]\)./SetPage\1/'
	170	'/^PAGEFLAG(\([[:alnum:]_]\)./ClearPage\1/'
	171	'/^TESTSETFLAG(\([[:alnum:]_]\)./TestSetPage\1/'
	172	'/^TESTPAGEFLAG(\([[:alnum:]_]\)./Page\1/'
	173	'/^SETPAGEFLAG(\([[:alnum:]_]\)./SetPage\1/'
	174	'/\<__SETPAGEFLAG(\([[:alnum:]_]\)./__SetPage\1/'
	175	'/\<TESTCLEARFLAG(\([[:alnum:]_]\)./TestClearPage\1/'
	176	'/\<__TESTCLEARFLAG(\([[:alnum:]_]\)./TestClearPage\1/'
	177	'/\<CLEARPAGEFLAG(\([[:alnum:]_]\)./ClearPage\1/'
	178	'/\<__CLEARPAGEFLAG(\([[:alnum:]_]\)./__ClearPage\1/'
	179	'/^__PAGEFLAG(\([[:alnum:]_]\)./__SetPage\1/'
	180	'/^__PAGEFLAG(\([[:alnum:]_]\)./__ClearPage\1/'
	181	'/^PAGEFLAG_FALSE(\([[:alnum:]_]\)./Page\1/'
	182	'/\<TESTSCFLAG(\([[:alnum:]_]\)./TestSetPage\1/'
	183	'/\<TESTSCFLAG(\([[:alnum:]_]\)./TestClearPage\1/'
	184	'/\<SETPAGEFLAG_NOOP(\([[:alnum:]_]\)./SetPage\1/'
	185	'/\<CLEARPAGEFLAG_NOOP(\([[:alnum:]_]\)./ClearPage\1/'
	186	'/\<__CLEARPAGEFLAG_NOOP(\([[:alnum:]_]\)./__ClearPage\1/'
	187	'/\<TESTCLEARFLAG_FALSE(\([[:alnum:]_]\)./TestClearPage\1/'
93209d65 MM	188	'/^TASK_PFA_TEST([^,], \([[:alnum:]_]*\))/task_\1/'
	189	'/^TASK_PFA_SET([^,], \([[:alnum:]_]*\))/task_set_\1/'
	190	'/^TASK_PFA_CLEAR([^,], \([[:alnum:]_]*\))/task_clear_\1/'
	191	'/^DEF_MMIO_\(IN\\|OUT\)_[XD](\([[:alnum:]_]\),[^)])/\2/'
	192	'/^DEBUGGER_BOILERPLATE(\([[:alnum:]_]*\))/\1/'
	193	'/^DEF_PCI_AC_\(\\|NO\)RET(\([[:alnum:]_]\)./\2/'
	194	'/^PCI_OP_READ(\(\w\).[1-4])/pci_bus_read_config_\1/'
	195	'/^PCI_OP_WRITE(\(\w\).[1-4])/pci_bus_write_config_\1/'
	196	'/\<DEFINE_\(MUTEX\\|SEMAPHORE\\|SPINLOCK\)(\([[:alnum:]_]*\)/\2/v/'
	197	'/\<DEFINE_\(RAW_SPINLOCK\\|RWLOCK\\|SEQLOCK\)(\([[:alnum:]_]*\)/\2/v/'
	198	'/\<DECLARE_\(RWSEM\\|COMPLETION\)(\([[:alnum:]_]\+\)/\2/v/'
	199	'/\<DECLARE_BITMAP(\([[:alnum:]_]*\)/\1/v/'
	200	'/\(^\\|\s\)\(\\|L\\|H\)LIST_HEAD(\([[:alnum:]_]*\)/\3/v/'
	201	'/\(^\\|\s\)RADIX_TREE(\([[:alnum:]_]*\)/\2/v/'
	202	'/\<DEFINE_PER_CPU([^,], \([[:alnum:]_]*\)/\1/v/'
	203	'/\<DEFINE_PER_CPU_SHARED_ALIGNED([^,], \([[:alnum:]_]*\)/\1/v/'
	204	'/\<DECLARE_WAIT_QUEUE_HEAD(\([[:alnum:]_]*\)/\1/v/'
	205	'/\<DECLARE_\(TASKLET\\|WORK\\|DELAYED_WORK\)(\([[:alnum:]_]*\)/\2/v/'
	206	'/\<DEFINE_PCI_DEVICE_TABLE(\([[:alnum:]_]*\)/\1/v/'
	207	'/\(^\s\)OFFSET(\([[:alnum:]_]*\)/\2/v/'
	208	'/\(^\s\)DEFINE(\([[:alnum:]_]*\)/\2/v/'
	209	'/\<DEFINE_HASHTABLE(\([[:alnum:]_]*\)/\1/v/'
	210	)
	211	regex_kconfig=(
	212	'/^[[:blank:]]*\(menu\\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/\2/'
	213	'/^[[:blank:]]*\(menu\\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/CONFIG_\2/'
	214	)
	215	setup_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
a680eedc SR	248	exuberant()
a680eedc SR	249	{
93209d65	250	setup_regex exuberant asm c
923e02ec	251	all_target_sources \| xargs $1 -a \
6cf3a6ef	252	-I __initdata,__exitdata,__initconst, \
22c1587a	253	-I __initdata_memblock \
f5a82137	254	-I __refdata,__attribute,__maybe_unused,__always_unused \
1b2643f0 KT	255	-I __acquires,__releases,__deprecated \
1b2643f0 KT	256	-I __read_mostly,__aligned,____cacheline_aligned \
a680eedc	257	-I ____cacheline_aligned_in_smp \
f5a82137	258	-I __cacheline_aligned,__cacheline_aligned_in_smp \
a680eedc	259	-I ____cacheline_internodealigned_in_smp \
1b2643f0	260	-I __used,__packed,__packed2__,__must_check,__must_hold \
f5a82137	261	-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL,ACPI_EXPORT_SYMBOL \
7db86dc9	262	-I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
1b2643f0	263	-I static,const \
93209d65	264	--extra=+f --c-kinds=+px --langmap=c:+.h "${regex[@]}"
a680eedc	265
93209d65	266	setup_regex exuberant kconfig
a680eedc	267	all_kconfigs \| xargs $1 -a \
93209d65	268	--langdef=kconfig --language-force=kconfig "${regex[@]}"
a680eedc	269
a680eedc SR	270	}
	271
	272	emacs()
	273	{
93209d65 MM	274	setup_regex emacs asm c
93209d65 MM	275	all_target_sources \| xargs $1 -a "${regex[@]}"
a680eedc	276
93209d65 MM	277	setup_regex emacs kconfig
93209d65 MM	278	all_kconfigs \| xargs $1 -a "${regex[@]}"
a680eedc SR	279	}
	280
	281	xtags()
	282	{
	283	if $1 --version 2>&1 \| grep -iq exuberant; then
	284	exuberant $1
	285	elif $1 --version 2>&1 \| grep -iq emacs; then
	286	emacs $1
	287	else
923e02ec	288	all_target_sources \| xargs $1 -a
bb66fc67	289	fi
a680eedc SR	290	}
a680eedc SR	291
a680eedc	292	# Support um (which uses SUBARCH)
a6ba0cb3 JS	293	if [ "${ARCH}" = "um" ]; then
a6ba0cb3 JS	294	if [ "$SUBARCH" = "i386" ]; then
a680eedc	295	archinclude=x86
a6ba0cb3	296	elif [ "$SUBARCH" = "x86_64" ]; then
a680eedc SR	297	archinclude=x86
	298	else
	299	archinclude=${SUBARCH}
	300	fi
59658509 JK	301	elif [ "${SRCARCH}" = "arm" -a "${SUBARCH}" != "" ]; then
	302	subarchdir=$(find ${tree}arch/$SRCARCH/ -name "mach-*" -type d -o \
	303	-name "plat-*" -type d);
	304	for i in $subarchdir; do
	305	case "$i" in
	306	*"mach-"${SUBARCH})
	307	;;
	308	*"plat-"${SUBARCH})
	309	;;
	310	*)
	311	subarchprune="$subarchprune \
	312	-wholename $i -prune -o"
	313	;;
	314	esac
	315	done
a680eedc SR	316	fi
a680eedc SR	317
66979224	318	remove_structs=
a680eedc SR	319	case "$1" in
	320	"cscope")
	321	docscope
	322	;;
	323
f4ed1009 JK	324	"gtags")
	325	dogtags
	326	;;
	327
a680eedc	328	"tags")
2e6cb8b0	329	rm -f tags
a680eedc	330	xtags ctags
66979224	331	remove_structs=y
a680eedc SR	332	;;
	333
	334	"TAGS")
2e6cb8b0	335	rm -f TAGS
a680eedc	336	xtags etags
66979224	337	remove_structs=y
a680eedc SR	338	;;
a680eedc SR	339	esac
66979224 YB	340
66979224 YB	341	# Remove structure forward declarations.
0eb043d0	342	if [ -n "$remove_structs" ]; then
66979224 YB	343	LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]\)\t.\t\/\^struct \1;.*\$\/;"\tx$/d' $1
66979224 YB	344	fi