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

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0-only
# Generate tags or cscope files
# Usage tags.sh <mode>
#
# mode may be any of: tags, TAGS, cscope
#
# Uses the following environment variables:
# SUBARCH, SRCARCH, srctree

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"

# Use make KBUILD_ABS_SRCTREE=1 {tags|cscope}
# to force full paths for a non-O= build
if [ "${srctree}" = "." -o -z "${srctree}" ]; 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/$1
find_arch_sources()
{
	for i in $archincludedir; do
		prune="$prune -wholename $i -prune -o"
	done
	find ${tree}arch/$1 $ignore $prune -name "$2" -not -type l -print;
}

# find sources in arch/$1/include
find_arch_include_sources()
{
	include=$(find ${tree}arch/$1/ -name include -type d -print);
	if [ -n "$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_\(RT_MUTEX\|MUTEX\|SEMAPHORE\|SPINLOCK\)(\([[:alnum:]_]*\)/\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/'
	'/\<\(DEFINE\|DECLARE\)_HASHTABLE(\([[:alnum:]_]*\)/\2/v/'
	'/\<DEFINE_ID\(R\|A\)(\([[:alnum:]_]\+\)/\2/'
	'/\<DEFINE_WD_CLASS(\([[:alnum:]_]\+\)/\1/'
	'/\<ATOMIC_NOTIFIER_HEAD(\([[:alnum:]_]\+\)/\1/'
	'/\<RAW_NOTIFIER_HEAD(\([[:alnum:]_]\+\)/\1/'
	'/\<DECLARE_FAULT_ATTR(\([[:alnum:]_]\+\)/\1/'
	'/\<BLOCKING_NOTIFIER_HEAD(\([[:alnum:]_]\+\)/\1/'
	'/\<DEVICE_ATTR_\(RW\|RO\|WO\)(\([[:alnum:]_]\+\)/dev_attr_\2/'
	'/\<DRIVER_ATTR_\(RW\|RO\|WO\)(\([[:alnum:]_]\+\)/driver_attr_\2/'
	'/\<\(DEFINE\|DECLARE\)_STATIC_KEY_\(TRUE\|FALSE\)\(\|_RO\)(\([[:alnum:]_]\+\)/\4/'
)
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 $1 -a                        \
	-I __initdata,__exitdata,__initconst,__ro_after_init	\
	-I __initdata_memblock					\
	-I __refdata,__attribute,__maybe_unused,__always_unused \
	-I __acquires,__releases,__deprecated,__always_inline	\
	-I __read_mostly,__aligned,____cacheline_aligned        \
	-I ____cacheline_aligned_in_smp                         \
	-I __cacheline_aligned,__cacheline_aligned_in_smp	\
	-I ____cacheline_internodealigned_in_smp                \
	-I __used,__packed,__packed2__,__must_check,__must_hold	\
	-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL,ACPI_EXPORT_SYMBOL   \
	-I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
	-I static,const						\
	--extra=+fq --c-kinds=+px --fields=+iaS --langmap=c:+.h \
	"${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
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' $1
fi
Commit	Line	Data
93209d65	1	#!/bin/bash
457c8996	2	# SPDX-License-Identifier: GPL-2.0-only
a680eedc SR	3	# Generate tags or cscope files
	4	# Usage tags.sh <mode>
	5	#
	6	# mode may be any of: tags, TAGS, cscope
	7	#
	8	# Uses the following environment variables:
b3b3eb9d	9	# SUBARCH, SRCARCH, srctree
a680eedc	10
a6ba0cb3	11	if [ "$KBUILD_VERBOSE" = "1" ]; then
a680eedc SR	12	set -x
	13	fi
	14
ae63b2d7 PB	15	# RCS_FIND_IGNORE has escaped ()s -- remove them.
	16	ignore="$(echo "$RCS_FIND_IGNORE" \| sed 's\|\\\|\|g' )"
	17	# tags and cscope files should also ignore MODVERSION *.mod.c files
	18	ignore="$ignore ( -name *.mod.c ) -prune -o"
a680eedc	19
95fd3f87	20	# Use make KBUILD_ABS_SRCTREE=1 {tags\|cscope}
e93bc1a0	21	# to force full paths for a non-O= build
c69ef1c8	22	if [ "${srctree}" = "." -o -z "${srctree}" ]; then
a680eedc SR	23	tree=
a680eedc SR	24	else
709cc372	25	tree=${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
b3b3eb9d	38	# find sources in arch/$1
a680eedc SR	39	find_arch_sources()
a680eedc SR	40	{
f81b1be4 GL	41	for i in $archincludedir; do
	42	prune="$prune -wholename $i -prune -o"
	43	done
d1db881d	44	find ${tree}arch/$1 $ignore $prune -name "$2" -not -type l -print;
a680eedc SR	45	}
	46
	47	# find sources in arch/$1/include
	48	find_arch_include_sources()
	49	{
d1db881d	50	include=$(find ${tree}arch/$1/ -name include -type d -print);
f81b1be4 GL	51	if [ -n "$include" ]; then
f81b1be4 GL	52	archincludedir="$archincludedir $include"
9b24a15d	53	find $include $ignore -name "$2" -not -type l -print;
f81b1be4	54	fi
a680eedc SR	55	}
	56
	57	# find sources in include/
	58	find_include_sources()
	59	{
9b24a15d YD	60	find ${tree}include $ignore -name config -prune -o -name "$1" \
9b24a15d YD	61	-not -type l -print;
a680eedc SR	62	}
	63
	64	# find sources in rest of tree
	65	# we could benefit from a list of dirs to search in here
	66	find_other_sources()
	67	{
	68	find ${tree}* $ignore \
99443f81	69	\( -path ${tree}include -o -path ${tree}arch -o -name '.tmp_*' \) -prune -o \
9b24a15d	70	-name "$1" -not -type l -print;
a680eedc SR	71	}
	72
	73	find_sources()
	74	{
709cc372	75	find_arch_sources $1 "$2"
a680eedc SR	76	}
	77
	78	all_sources()
	79	{
a8bac511	80	find_arch_include_sources ${SRCARCH} '*.[chS]'
a680eedc	81	if [ ! -z "$archinclude" ]; then
709cc372	82	find_arch_include_sources $archinclude '*.[chS]'
a680eedc	83	fi
4f628248	84	find_include_sources '*.[chS]'
f81b1be4 GL	85	for arch in $ALLSOURCE_ARCHS
	86	do
	87	find_sources $arch '*.[chS]'
	88	done
4f628248	89	find_other_sources '*.[chS]'
a680eedc SR	90	}
a680eedc SR	91
923e02ec JK	92	all_compiled_sources()
	93	{
	94	for i in $(all_sources); do
	95	case "$i" in
	96	*.[cS])
	97	j=${i/\.[cS]/\.o}
cbf52a3e	98	j="${j#$tree}"
923e02ec JK	99	if [ -e $j ]; then
	100	echo $i
	101	fi
	102	;;
	103	*)
	104	echo $i
	105	;;
	106	esac
	107	done
	108	}
	109
	110	all_target_sources()
	111	{
	112	if [ -n "$COMPILED_SOURCE" ]; then
	113	all_compiled_sources
	114	else
	115	all_sources
	116	fi
	117	}
	118
a680eedc SR	119	all_kconfigs()
a680eedc SR	120	{
7659c655 HT	121	find ${tree}arch/ -maxdepth 1 $ignore \
7659c655 HT	122	-name "Kconfig*" -not -type l -print;
953fae66 AD	123	for arch in $ALLSOURCE_ARCHS; do
	124	find_sources $arch 'Kconfig*'
	125	done
	126	find_other_sources 'Kconfig*'
a680eedc SR	127	}
a680eedc SR	128
a680eedc SR	129	docscope()
a680eedc SR	130	{
923e02ec	131	(echo \-k; echo \-q; all_target_sources) > cscope.files
a680eedc SR	132	cscope -b -f cscope.out
	133	}
	134
f4ed1009 JK	135	dogtags()
f4ed1009 JK	136	{
923e02ec	137	all_target_sources \| gtags -i -f -
f4ed1009 JK	138	}
f4ed1009 JK	139
93209d65 MM	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
	148	regex_asm=(
	149	'/^\(ENTRY\\|_GLOBAL\)(\([[:alnum:]_\\]\))./\2/'
	150	)
	151	regex_c=(
	152	'/^SYSCALL_DEFINE[0-9](\([[:alnum:]_]\)./sys_\1/'
24d4e34f	153	'/^BPF_CALL_[0-9](\([[:alnum:]_]\)./\1/'
93209d65 MM	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/'
0a9e7da6 NR	159	'/^DEFINE_INSN_CACHE_OPS(\([[:alnum:]_]\)./get_\1_slot/'
0a9e7da6 NR	160	'/^DEFINE_INSN_CACHE_OPS(\([[:alnum:]_]\)./free_\1_slot/'
93209d65 MM	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/'
6e292b9b MW	181	'/^PAGE_TYPE_OPS(\([[:alnum:]_]\)./Page\1/'
	182	'/^PAGE_TYPE_OPS(\([[:alnum:]_]\)./__SetPage\1/'
	183	'/^PAGE_TYPE_OPS(\([[:alnum:]_]\)./__ClearPage\1/'
93209d65 MM	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/'
cd68a525	192	'/\<DEFINE_\(RT_MUTEX\\|MUTEX\\|SEMAPHORE\\|SPINLOCK\)(\([[:alnum:]_]*\)/\2/v/'
93209d65 MM	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/'
93209d65 MM	202	'/\(^\s\)OFFSET(\([[:alnum:]_]*\)/\2/v/'
93209d65 MM	203	'/\(^\s\)DEFINE(\([[:alnum:]_]*\)/\2/v/'
1f6904f7	204	'/\<\(DEFINE\\|DECLARE\)_HASHTABLE(\([[:alnum:]_]*\)/\2/v/'
cd68a525 KT	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/'
93209d65 MM	214	)
	215	regex_kconfig=(
	216	'/^[[:blank:]]*\(menu\\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/\2/'
	217	'/^[[:blank:]]*\(menu\\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/CONFIG_\2/'
	218	)
	219	setup_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
a680eedc SR	252	exuberant()
a680eedc SR	253	{
93209d65	254	setup_regex exuberant asm c
923e02ec	255	all_target_sources \| xargs $1 -a \
e23ba825	256	-I __initdata,__exitdata,__initconst,__ro_after_init \
22c1587a	257	-I __initdata_memblock \
f5a82137	258	-I __refdata,__attribute,__maybe_unused,__always_unused \
cd68a525	259	-I __acquires,__releases,__deprecated,__always_inline \
1b2643f0	260	-I __read_mostly,__aligned,____cacheline_aligned \
a680eedc	261	-I ____cacheline_aligned_in_smp \
f5a82137	262	-I __cacheline_aligned,__cacheline_aligned_in_smp \
a680eedc	263	-I ____cacheline_internodealigned_in_smp \
1b2643f0	264	-I __used,__packed,__packed2__,__must_check,__must_hold \
f5a82137	265	-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL,ACPI_EXPORT_SYMBOL \
7db86dc9	266	-I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
1b2643f0	267	-I static,const \
d0c75f33 MM	268	--extra=+fq --c-kinds=+px --fields=+iaS --langmap=c:+.h \
d0c75f33 MM	269	"${regex[@]}"
a680eedc	270
93209d65	271	setup_regex exuberant kconfig
a680eedc	272	all_kconfigs \| xargs $1 -a \
93209d65	273	--langdef=kconfig --language-force=kconfig "${regex[@]}"
a680eedc	274
a680eedc SR	275	}
	276
	277	emacs()
	278	{
93209d65 MM	279	setup_regex emacs asm c
93209d65 MM	280	all_target_sources \| xargs $1 -a "${regex[@]}"
a680eedc	281
93209d65 MM	282	setup_regex emacs kconfig
93209d65 MM	283	all_kconfigs \| xargs $1 -a "${regex[@]}"
a680eedc SR	284	}
	285
	286	xtags()
	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
923e02ec	293	all_target_sources \| xargs $1 -a
bb66fc67	294	fi
a680eedc SR	295	}
a680eedc SR	296
a680eedc	297	# Support um (which uses SUBARCH)
a6ba0cb3 JS	298	if [ "${ARCH}" = "um" ]; then
a6ba0cb3 JS	299	if [ "$SUBARCH" = "i386" ]; then
a680eedc	300	archinclude=x86
a6ba0cb3	301	elif [ "$SUBARCH" = "x86_64" ]; then
a680eedc SR	302	archinclude=x86
	303	else
	304	archinclude=${SUBARCH}
	305	fi
	306	fi
	307
66979224	308	remove_structs=
a680eedc SR	309	case "$1" in
	310	"cscope")
	311	docscope
	312	;;
	313
f4ed1009 JK	314	"gtags")
	315	dogtags
	316	;;
	317
a680eedc	318	"tags")
2e6cb8b0	319	rm -f tags
a680eedc	320	xtags ctags
66979224	321	remove_structs=y
a680eedc SR	322	;;
	323
	324	"TAGS")
2e6cb8b0	325	rm -f TAGS
a680eedc	326	xtags etags
66979224	327	remove_structs=y
a680eedc SR	328	;;
a680eedc SR	329	esac
66979224 YB	330
66979224 YB	331	# Remove structure forward declarations.
0eb043d0	332	if [ -n "$remove_structs" ]; then
66979224 YB	333	LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]\)\t.\t\/\^struct \1;.*\$\/;"\tx$/d' $1
66979224 YB	334	fi