[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"

# Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH
if [ "${ALLSOURCE_ARCHS}" = "" ]; then
	ALLSOURCE_ARCHS=${SRCARCH}
elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then
	ALLSOURCE_ARCHS=$(find ${tree}arch/ -mindepth 1 -maxdepth 1 -type d -printf '%f ')
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 \
	     \( -path ${tree}include -o -path ${tree}arch -o -name '.tmp_*' \) -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=${i/\.[cS]/\.o}
				j="${j#$tree}"
				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()
{
	find ${tree}arch/ -maxdepth 1 $ignore \
	       -name "Kconfig*" -not -type l -print;
	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/'
	'/^BPF_CALL_[0-9](\([[:alnum:]_]*\).*/\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/'
	'/^PAGE_TYPE_OPS(\([[:alnum:]_]*\).*/Page\1/'
	'/^PAGE_TYPE_OPS(\([[:alnum:]_]*\).*/__SetPage\1/'
	'/^PAGE_TYPE_OPS(\([[:alnum:]_]*\).*/__ClearPage\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/'
	'/\(^\s\)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 $1 -a                        \
	-I __initdata,__exitdata,__initconst,__ro_after_init	\
	-I __initdata_memblock					\
	-I __refdata,__attribute,__maybe_unused,__always_unused \
	-I __acquires,__releases,__deprecated			\
	-I __read_mostly,__aligned,____cacheline_aligned        \
	-I ____cacheline_aligned_in_smp                         \
	-I __cacheline_aligned,__cacheline_aligned_in_smp	\
	-I ____cacheline_internodealigned_in_smp                \
	-I __used,__packed,__packed2__,__must_check,__must_hold	\
	-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL,ACPI_EXPORT_SYMBOL   \
	-I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
	-I static,const						\
	--extra=+fq --c-kinds=+px --fields=+iaS --langmap=c:+.h \
	"${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);
	mach_suffix=$SUBARCH
	plat_suffix=$SUBARCH

	# Special cases when $plat_suffix != $mach_suffix
	case $mach_suffix in
		"omap1" | "omap2")
			plat_suffix="omap"
			;;
	esac

	if [ ! -d ${tree}arch/$SRCARCH/mach-$mach_suffix ]; then
		echo "Warning: arch/arm/mach-$mach_suffix/ not found." >&2
		echo "         Fix your \$SUBARCH appropriately" >&2
	fi

	for i in $subarchdir; do
		case "$i" in
			*"mach-"${mach_suffix})
				;;
			*"plat-"${plat_suffix})
				;;
			*)
				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 ${tree}tools ) -prune -o"
	30
4f628248 JS	31	# Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH
	32	if [ "${ALLSOURCE_ARCHS}" = "" ]; then
	33	ALLSOURCE_ARCHS=${SRCARCH}
bc75cc6b	34	elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then
656c1077	35	ALLSOURCE_ARCHS=$(find ${tree}arch/ -mindepth 1 -maxdepth 1 -type d -printf '%f ')
4f628248 JS	36	fi
4f628248 JS	37
a680eedc SR	38	# find sources in arch/$ARCH
	39	find_arch_sources()
	40	{
f81b1be4 GL	41	for i in $archincludedir; do
	42	prune="$prune -wholename $i -prune -o"
	43	done
9b24a15d YD	44	find ${tree}arch/$1 $ignore $subarchprune $prune -name "$2" \
9b24a15d YD	45	-not -type l -print;
a680eedc SR	46	}
	47
	48	# find sources in arch/$1/include
	49	find_arch_include_sources()
	50	{
59658509 JK	51	include=$(find ${tree}arch/$1/ $subarchprune \
59658509 JK	52	-name include -type d -print);
f81b1be4 GL	53	if [ -n "$include" ]; then
f81b1be4 GL	54	archincludedir="$archincludedir $include"
9b24a15d	55	find $include $ignore -name "$2" -not -type l -print;
f81b1be4	56	fi
a680eedc SR	57	}
	58
	59	# find sources in include/
	60	find_include_sources()
	61	{
9b24a15d YD	62	find ${tree}include $ignore -name config -prune -o -name "$1" \
9b24a15d YD	63	-not -type l -print;
a680eedc SR	64	}
	65
	66	# find sources in rest of tree
	67	# we could benefit from a list of dirs to search in here
	68	find_other_sources()
	69	{
	70	find ${tree}* $ignore \
99443f81	71	\( -path ${tree}include -o -path ${tree}arch -o -name '.tmp_*' \) -prune -o \
9b24a15d	72	-name "$1" -not -type l -print;
a680eedc SR	73	}
	74
	75	find_sources()
	76	{
709cc372	77	find_arch_sources $1 "$2"
a680eedc SR	78	}
	79
	80	all_sources()
	81	{
a8bac511	82	find_arch_include_sources ${SRCARCH} '*.[chS]'
a680eedc	83	if [ ! -z "$archinclude" ]; then
709cc372	84	find_arch_include_sources $archinclude '*.[chS]'
a680eedc	85	fi
4f628248	86	find_include_sources '*.[chS]'
f81b1be4 GL	87	for arch in $ALLSOURCE_ARCHS
	88	do
	89	find_sources $arch '*.[chS]'
	90	done
4f628248	91	find_other_sources '*.[chS]'
a680eedc SR	92	}
a680eedc SR	93
923e02ec JK	94	all_compiled_sources()
	95	{
	96	for i in $(all_sources); do
	97	case "$i" in
	98	*.[cS])
	99	j=${i/\.[cS]/\.o}
cbf52a3e	100	j="${j#$tree}"
923e02ec JK	101	if [ -e $j ]; then
	102	echo $i
	103	fi
	104	;;
	105	*)
	106	echo $i
	107	;;
	108	esac
	109	done
	110	}
	111
	112	all_target_sources()
	113	{
	114	if [ -n "$COMPILED_SOURCE" ]; then
	115	all_compiled_sources
	116	else
	117	all_sources
	118	fi
	119	}
	120
a680eedc SR	121	all_kconfigs()
a680eedc SR	122	{
7659c655 HT	123	find ${tree}arch/ -maxdepth 1 $ignore \
7659c655 HT	124	-name "Kconfig*" -not -type l -print;
953fae66 AD	125	for arch in $ALLSOURCE_ARCHS; do
	126	find_sources $arch 'Kconfig*'
	127	done
	128	find_other_sources 'Kconfig*'
a680eedc SR	129	}
a680eedc SR	130
a680eedc SR	131	docscope()
a680eedc SR	132	{
923e02ec	133	(echo \-k; echo \-q; all_target_sources) > cscope.files
a680eedc SR	134	cscope -b -f cscope.out
	135	}
	136
f4ed1009 JK	137	dogtags()
f4ed1009 JK	138	{
923e02ec	139	all_target_sources \| gtags -i -f -
f4ed1009 JK	140	}
f4ed1009 JK	141
93209d65 MM	142	# Basic regular expressions with an optional /kind-spec/ for ctags and
	143	# the following limitations:
	144	# - No regex modifiers
	145	# - Use \{0,1\} instead of \?, because etags expects an unescaped ?
	146	# - \s is not working with etags, use a space or [ \t]
	147	# - \w works, but does not match underscores in etags
	148	# - etags regular expressions have to match at the start of a line;
	149	# a ^[^#] is prepended by setup_regex unless an anchor is already present
	150	regex_asm=(
	151	'/^\(ENTRY\\|_GLOBAL\)(\([[:alnum:]_\\]\))./\2/'
	152	)
	153	regex_c=(
	154	'/^SYSCALL_DEFINE[0-9](\([[:alnum:]_]\)./sys_\1/'
24d4e34f	155	'/^BPF_CALL_[0-9](\([[:alnum:]_]\)./\1/'
93209d65 MM	156	'/^COMPAT_SYSCALL_DEFINE[0-9](\([[:alnum:]_]\)./compat_sys_\1/'
	157	'/^TRACE_EVENT(\([[:alnum:]_]\)./trace_\1/'
	158	'/^TRACE_EVENT(\([[:alnum:]_]\)./trace_\1_rcuidle/'
	159	'/^DEFINE_EVENT([^,)], \([[:alnum:]_]\)./trace_\1/'
	160	'/^DEFINE_EVENT([^,)], \([[:alnum:]_]\)./trace_\1_rcuidle/'
0a9e7da6 NR	161	'/^DEFINE_INSN_CACHE_OPS(\([[:alnum:]_]\)./get_\1_slot/'
0a9e7da6 NR	162	'/^DEFINE_INSN_CACHE_OPS(\([[:alnum:]_]\)./free_\1_slot/'
93209d65 MM	163	'/^PAGEFLAG(\([[:alnum:]_]\)./Page\1/'
	164	'/^PAGEFLAG(\([[:alnum:]_]\)./SetPage\1/'
	165	'/^PAGEFLAG(\([[:alnum:]_]\)./ClearPage\1/'
	166	'/^TESTSETFLAG(\([[:alnum:]_]\)./TestSetPage\1/'
	167	'/^TESTPAGEFLAG(\([[:alnum:]_]\)./Page\1/'
	168	'/^SETPAGEFLAG(\([[:alnum:]_]\)./SetPage\1/'
	169	'/\<__SETPAGEFLAG(\([[:alnum:]_]\)./__SetPage\1/'
	170	'/\<TESTCLEARFLAG(\([[:alnum:]_]\)./TestClearPage\1/'
	171	'/\<__TESTCLEARFLAG(\([[:alnum:]_]\)./TestClearPage\1/'
	172	'/\<CLEARPAGEFLAG(\([[:alnum:]_]\)./ClearPage\1/'
	173	'/\<__CLEARPAGEFLAG(\([[:alnum:]_]\)./__ClearPage\1/'
	174	'/^__PAGEFLAG(\([[:alnum:]_]\)./__SetPage\1/'
	175	'/^__PAGEFLAG(\([[:alnum:]_]\)./__ClearPage\1/'
	176	'/^PAGEFLAG_FALSE(\([[:alnum:]_]\)./Page\1/'
	177	'/\<TESTSCFLAG(\([[:alnum:]_]\)./TestSetPage\1/'
	178	'/\<TESTSCFLAG(\([[:alnum:]_]\)./TestClearPage\1/'
	179	'/\<SETPAGEFLAG_NOOP(\([[:alnum:]_]\)./SetPage\1/'
	180	'/\<CLEARPAGEFLAG_NOOP(\([[:alnum:]_]\)./ClearPage\1/'
	181	'/\<__CLEARPAGEFLAG_NOOP(\([[:alnum:]_]\)./__ClearPage\1/'
	182	'/\<TESTCLEARFLAG_FALSE(\([[:alnum:]_]\)./TestClearPage\1/'
6e292b9b MW	183	'/^PAGE_TYPE_OPS(\([[:alnum:]_]\)./Page\1/'
	184	'/^PAGE_TYPE_OPS(\([[:alnum:]_]\)./__SetPage\1/'
	185	'/^PAGE_TYPE_OPS(\([[:alnum:]_]\)./__ClearPage\1/'
93209d65 MM	186	'/^TASK_PFA_TEST([^,], \([[:alnum:]_]*\))/task_\1/'
	187	'/^TASK_PFA_SET([^,], \([[:alnum:]_]*\))/task_set_\1/'
	188	'/^TASK_PFA_CLEAR([^,], \([[:alnum:]_]*\))/task_clear_\1/'
	189	'/^DEF_MMIO_\(IN\\|OUT\)_[XD](\([[:alnum:]_]\),[^)])/\2/'
	190	'/^DEBUGGER_BOILERPLATE(\([[:alnum:]_]*\))/\1/'
	191	'/^DEF_PCI_AC_\(\\|NO\)RET(\([[:alnum:]_]\)./\2/'
	192	'/^PCI_OP_READ(\(\w\).[1-4])/pci_bus_read_config_\1/'
	193	'/^PCI_OP_WRITE(\(\w\).[1-4])/pci_bus_write_config_\1/'
	194	'/\<DEFINE_\(MUTEX\\|SEMAPHORE\\|SPINLOCK\)(\([[:alnum:]_]*\)/\2/v/'
	195	'/\<DEFINE_\(RAW_SPINLOCK\\|RWLOCK\\|SEQLOCK\)(\([[:alnum:]_]*\)/\2/v/'
	196	'/\<DECLARE_\(RWSEM\\|COMPLETION\)(\([[:alnum:]_]\+\)/\2/v/'
	197	'/\<DECLARE_BITMAP(\([[:alnum:]_]*\)/\1/v/'
	198	'/\(^\\|\s\)\(\\|L\\|H\)LIST_HEAD(\([[:alnum:]_]*\)/\3/v/'
	199	'/\(^\\|\s\)RADIX_TREE(\([[:alnum:]_]*\)/\2/v/'
	200	'/\<DEFINE_PER_CPU([^,], \([[:alnum:]_]*\)/\1/v/'
	201	'/\<DEFINE_PER_CPU_SHARED_ALIGNED([^,], \([[:alnum:]_]*\)/\1/v/'
	202	'/\<DECLARE_WAIT_QUEUE_HEAD(\([[:alnum:]_]*\)/\1/v/'
	203	'/\<DECLARE_\(TASKLET\\|WORK\\|DELAYED_WORK\)(\([[:alnum:]_]*\)/\2/v/'
93209d65 MM	204	'/\(^\s\)OFFSET(\([[:alnum:]_]*\)/\2/v/'
	205	'/\(^\s\)DEFINE(\([[:alnum:]_]*\)/\2/v/'
	206	'/\<DEFINE_HASHTABLE(\([[:alnum:]_]*\)/\1/v/'
	207	)
	208	regex_kconfig=(
	209	'/^[[:blank:]]*\(menu\\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/\2/'
	210	'/^[[:blank:]]*\(menu\\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/CONFIG_\2/'
	211	)
	212	setup_regex()
	213	{
	214	local mode=$1 lang tmp=() r
	215	shift
	216
	217	regex=()
	218	for lang; do
	219	case "$lang" in
	220	asm) tmp=("${regex_asm[@]}") ;;
	221	c) tmp=("${regex_c[@]}") ;;
	222	kconfig) tmp=("${regex_kconfig[@]}") ;;
	223	esac
	224	for r in "${tmp[@]}"; do
	225	if test "$mode" = "exuberant"; then
	226	regex[${#regex[@]}]="--regex-$lang=${r}b"
	227	else
	228	# Remove ctags /kind-spec/
	229	case "$r" in
	230	///?/)
	231	r=${r%?/}
	232	esac
	233	# Prepend ^[^#] unless already anchored
	234	case "$r" in
	235	/^*) ;;
	236	*)
	237	r="/^[^#]*${r#/}"
	238	esac
	239	regex[${#regex[@]}]="--regex=$r"
	240	fi
	241	done
	242	done
	243	}
	244
a680eedc SR	245	exuberant()
a680eedc SR	246	{
93209d65	247	setup_regex exuberant asm c
923e02ec	248	all_target_sources \| xargs $1 -a \
e23ba825	249	-I __initdata,__exitdata,__initconst,__ro_after_init \
22c1587a	250	-I __initdata_memblock \
f5a82137	251	-I __refdata,__attribute,__maybe_unused,__always_unused \
1b2643f0 KT	252	-I __acquires,__releases,__deprecated \
1b2643f0 KT	253	-I __read_mostly,__aligned,____cacheline_aligned \
a680eedc	254	-I ____cacheline_aligned_in_smp \
f5a82137	255	-I __cacheline_aligned,__cacheline_aligned_in_smp \
a680eedc	256	-I ____cacheline_internodealigned_in_smp \
1b2643f0	257	-I __used,__packed,__packed2__,__must_check,__must_hold \
f5a82137	258	-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL,ACPI_EXPORT_SYMBOL \
7db86dc9	259	-I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
1b2643f0	260	-I static,const \
d0c75f33 MM	261	--extra=+fq --c-kinds=+px --fields=+iaS --langmap=c:+.h \
d0c75f33 MM	262	"${regex[@]}"
a680eedc	263
93209d65	264	setup_regex exuberant kconfig
a680eedc	265	all_kconfigs \| xargs $1 -a \
93209d65	266	--langdef=kconfig --language-force=kconfig "${regex[@]}"
a680eedc	267
a680eedc SR	268	}
	269
	270	emacs()
	271	{
93209d65 MM	272	setup_regex emacs asm c
93209d65 MM	273	all_target_sources \| xargs $1 -a "${regex[@]}"
a680eedc	274
93209d65 MM	275	setup_regex emacs kconfig
93209d65 MM	276	all_kconfigs \| xargs $1 -a "${regex[@]}"
a680eedc SR	277	}
	278
	279	xtags()
	280	{
	281	if $1 --version 2>&1 \| grep -iq exuberant; then
	282	exuberant $1
	283	elif $1 --version 2>&1 \| grep -iq emacs; then
	284	emacs $1
	285	else
923e02ec	286	all_target_sources \| xargs $1 -a
bb66fc67	287	fi
a680eedc SR	288	}
a680eedc SR	289
a680eedc	290	# Support um (which uses SUBARCH)
a6ba0cb3 JS	291	if [ "${ARCH}" = "um" ]; then
a6ba0cb3 JS	292	if [ "$SUBARCH" = "i386" ]; then
a680eedc	293	archinclude=x86
a6ba0cb3	294	elif [ "$SUBARCH" = "x86_64" ]; then
a680eedc SR	295	archinclude=x86
	296	else
	297	archinclude=${SUBARCH}
	298	fi
59658509 JK	299	elif [ "${SRCARCH}" = "arm" -a "${SUBARCH}" != "" ]; then
	300	subarchdir=$(find ${tree}arch/$SRCARCH/ -name "mach-*" -type d -o \
	301	-name "plat-*" -type d);
779d5eb3 SP	302	mach_suffix=$SUBARCH
	303	plat_suffix=$SUBARCH
	304
	305	# Special cases when $plat_suffix != $mach_suffix
	306	case $mach_suffix in
	307	"omap1" \| "omap2")
	308	plat_suffix="omap"
	309	;;
	310	esac
	311
	312	if [ ! -d ${tree}arch/$SRCARCH/mach-$mach_suffix ]; then
	313	echo "Warning: arch/arm/mach-$mach_suffix/ not found." >&2
	314	echo " Fix your \$SUBARCH appropriately" >&2
	315	fi
	316
59658509 JK	317	for i in $subarchdir; do
59658509 JK	318	case "$i" in
779d5eb3	319	*"mach-"${mach_suffix})
59658509	320	;;
779d5eb3	321	*"plat-"${plat_suffix})
59658509 JK	322	;;
	323	*)
	324	subarchprune="$subarchprune \
	325	-wholename $i -prune -o"
	326	;;
	327	esac
	328	done
a680eedc SR	329	fi
a680eedc SR	330
66979224	331	remove_structs=
a680eedc SR	332	case "$1" in
	333	"cscope")
	334	docscope
	335	;;
	336
f4ed1009 JK	337	"gtags")
	338	dogtags
	339	;;
	340
a680eedc	341	"tags")
2e6cb8b0	342	rm -f tags
a680eedc	343	xtags ctags
66979224	344	remove_structs=y
a680eedc SR	345	;;
	346
	347	"TAGS")
2e6cb8b0	348	rm -f TAGS
a680eedc	349	xtags etags
66979224	350	remove_structs=y
a680eedc SR	351	;;
a680eedc SR	352	esac
66979224 YB	353
66979224 YB	354	# Remove structure forward declarations.
0eb043d0	355	if [ -n "$remove_structs" ]; then
66979224 YB	356	LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]\)\t.\t\/\^struct \1;.*\$\/;"\tx$/d' $1
66979224 YB	357	fi