Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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, srctree, src, obj
9
10if [ "$KBUILD_VERBOSE" = "1" ]; then
11 set -x
12fi
13
14# This is a duplicate of RCS_FIND_IGNORE without escaped '()'
15ignore="( -name SCCS -o -name BitKeeper -o -name .svn -o \
16 -name CVS -o -name .pc -o -name .hg -o \
17 -name .git ) \
18 -prune -o"
19
20# Do not use full path is we do not use O=.. builds
21if [ "${KBUILD_SRC}" = "" ]; then
22 tree=
23else
24 tree=${srctree}/
25fi
26
27# Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH
28if [ "${ALLSOURCE_ARCHS}" = "" ]; then
29 ALLSOURCE_ARCHS=${SRCARCH}
30fi
31
32# find sources in arch/$ARCH
33find_arch_sources()
34{
35 find ${tree}arch/$1 $ignore -name "$2" -print;
36}
37
38# find sources in arch/$1/include
39find_arch_include_sources()
40{
41 find ${tree}arch/$1/include $ignore -name "$2" -print;
42}
43
44# find sources in include/
45find_include_sources()
46{
47 find ${tree}include $ignore -name config -prune -o -name "$1" -print;
48}
49
50# find sources in rest of tree
51# we could benefit from a list of dirs to search in here
52find_other_sources()
53{
54 find ${tree}* $ignore \
55 \( -name include -o -name arch -o -name '.tmp_*' \) -prune -o \
56 -name "$1" -print;
57}
58
59find_sources()
60{
61 find_arch_sources $1 "$2"
62}
63
64all_sources()
65{
66 for arch in $ALLSOURCE_ARCHS
67 do
68 find_sources $arch '*.[chS]'
69 done
70 if [ ! -z "$archinclude" ]; then
71 find_arch_include_sources $archinclude '*.[chS]'
72 fi
73 find_include_sources '*.[chS]'
74 find_other_sources '*.[chS]'
75}
76
77all_kconfigs()
78{
79 for arch in $ALLSOURCE_ARCHS; do
80 find_sources $arch 'Kconfig*'
81 done
82 find_other_sources 'Kconfig*'
83}
84
85all_defconfigs()
86{
87 find_sources $ALLSOURCE_ARCHS "defconfig"
88}
89
90docscope()
91{
92 # always use absolute paths for cscope, as recommended by cscope
93 # upstream
94 case "$tree" in
95 /*) ;;
96 *) tree=$PWD/$tree ;;
97 esac
98 (cd /; echo \-k; echo \-q; all_sources) > cscope.files
99 cscope -b -f cscope.out
100}
101
102exuberant()
103{
104 all_sources | xargs $1 -a \
105 -I __initdata,__exitdata,__acquires,__releases \
106 -I __read_mostly,____cacheline_aligned \
107 -I ____cacheline_aligned_in_smp \
108 -I ____cacheline_internodealigned_in_smp \
109 -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \
110 -I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
111 --extra=+f --c-kinds=-px \
112 --regex-asm='/^ENTRY\(([^)]*)\).*/\1/' \
113 --regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/'
114
115 all_kconfigs | xargs $1 -a \
116 --langdef=kconfig --language-force=kconfig \
117 --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/'
118
119 all_kconfigs | xargs $1 -a \
120 --langdef=kconfig --language-force=kconfig \
121 --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/CONFIG_\2/'
122
123 all_defconfigs | xargs -r $1 -a \
124 --langdef=dotconfig --language-force=dotconfig \
125 --regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/'
126
127}
128
129emacs()
130{
131 all_sources | xargs $1 -a \
132 --regex='/^ENTRY(\([^)]*\)).*/\1/' \
133 --regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/'
134
135 all_kconfigs | xargs $1 -a \
136 --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/'
137
138 all_kconfigs | xargs $1 -a \
139 --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/CONFIG_\3/'
140
141 all_defconfigs | xargs -r $1 -a \
142 --regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/'
143}
144
145xtags()
146{
147 if $1 --version 2>&1 | grep -iq exuberant; then
148 exuberant $1
149 elif $1 --version 2>&1 | grep -iq emacs; then
150 emacs $1
151 else
152 all_sources | xargs $1 -a
153 fi
154}
155
156
157# Support um (which uses SUBARCH)
158if [ "${ARCH}" = "um" ]; then
159 if [ "$SUBARCH" = "i386" ]; then
160 archinclude=x86
161 elif [ "$SUBARCH" = "x86_64" ]; then
162 archinclude=x86
163 else
164 archinclude=${SUBARCH}
165 fi
166fi
167
168case "$1" in
169 "cscope")
170 docscope
171 ;;
172
173 "tags")
174 rm -f tags
175 xtags ctags
176 ;;
177
178 "TAGS")
179 rm -f TAGS
180 xtags etags
181 ;;
182esac