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 -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 # Remove structure forward declarations. 171 LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' tags 172} 173 174emacs() 175{ 176 all_sources | xargs $1 -a \ 177 --regex='/^(ENTRY|_GLOBAL)(\([^)]*\)).*/\2/' \ 178 --regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/' \ 179 --regex='/^TRACE_EVENT(\([^,)]*\).*/trace_\1/' \ 180 --regex='/^DEFINE_EVENT([^,)]*, *\([^,)]*\).*/trace_\1/' \ 181 --regex='/PAGEFLAG\(([^,)]*).*/Page\1/' \ 182 --regex='/PAGEFLAG\(([^,)]*).*/SetPage\1/' \ 183 --regex='/PAGEFLAG\(([^,)]*).*/ClearPage\1/' \ 184 --regex='/TESTSETFLAG\(([^,)]*).*/TestSetPage\1/' \ 185 --regex='/TESTPAGEFLAG\(([^,)]*).*/Page\1/' \ 186 --regex='/SETPAGEFLAG\(([^,)]*).*/SetPage\1/' \ 187 --regex='/__SETPAGEFLAG\(([^,)]*).*/__SetPage\1/' \ 188 --regex='/TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \ 189 --regex='/__TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \ 190 --regex='/CLEARPAGEFLAG\(([^,)]*).*/ClearPage\1/' \ 191 --regex='/__CLEARPAGEFLAG\(([^,)]*).*/__ClearPage\1/' \ 192 --regex='/__PAGEFLAG\(([^,)]*).*/__SetPage\1/' \ 193 --regex='/__PAGEFLAG\(([^,)]*).*/__ClearPage\1/' \ 194 --regex='/PAGEFLAG_FALSE\(([^,)]*).*/Page\1/' \ 195 --regex='/TESTSCFLAG\(([^,)]*).*/TestSetPage\1/' \ 196 --regex='/TESTSCFLAG\(([^,)]*).*/TestClearPage\1/' \ 197 --regex='/SETPAGEFLAG_NOOP\(([^,)]*).*/SetPage\1/' \ 198 --regex='/CLEARPAGEFLAG_NOOP\(([^,)]*).*/ClearPage\1/' \ 199 --regex='/__CLEARPAGEFLAG_NOOP\(([^,)]*).*/__ClearPage\1/' \ 200 --regex='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \ 201 --regex='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/' 202 203 all_kconfigs | xargs $1 -a \ 204 --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/' 205 206 all_kconfigs | xargs $1 -a \ 207 --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/CONFIG_\3/' 208 209 all_defconfigs | xargs -r $1 -a \ 210 --regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/' 211} 212 213xtags() 214{ 215 if $1 --version 2>&1 | grep -iq exuberant; then 216 exuberant $1 217 elif $1 --version 2>&1 | grep -iq emacs; then 218 emacs $1 219 else 220 all_sources | xargs $1 -a 221 fi 222} 223 224 225# Support um (which uses SUBARCH) 226if [ "${ARCH}" = "um" ]; then 227 if [ "$SUBARCH" = "i386" ]; then 228 archinclude=x86 229 elif [ "$SUBARCH" = "x86_64" ]; then 230 archinclude=x86 231 else 232 archinclude=${SUBARCH} 233 fi 234fi 235 236case "$1" in 237 "cscope") 238 docscope 239 ;; 240 241 "gtags") 242 dogtags 243 ;; 244 245 "tags") 246 rm -f tags 247 xtags ctags 248 ;; 249 250 "TAGS") 251 rm -f TAGS 252 xtags etags 253 ;; 254esac 255