| 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 | |
| 10 | if [ "$KBUILD_VERBOSE" = "1" ]; then |
| 11 | set -x |
| 12 | fi |
| 13 | |
| 14 | # This is a duplicate of RCS_FIND_IGNORE without escaped '()' |
| 15 | ignore="( -name SCCS -o -name BitKeeper -o -name .svn -o \ |
| 16 | -name CVS -o -name .pc -o -name .hg -o \ |
| 17 | -name .git ) \ |
| 18 | -prune -o" |
| 19 | |
| 20 | # Do not use full path if we do not use O=.. builds |
| 21 | # Use make O=. {tags|cscope} |
| 22 | # to force full paths for a non-O= build |
| 23 | if [ "${KBUILD_SRC}" = "" ]; then |
| 24 | tree= |
| 25 | else |
| 26 | tree=${srctree}/ |
| 27 | fi |
| 28 | |
| 29 | # Find all available archs |
| 30 | find_all_archs() |
| 31 | { |
| 32 | ALLSOURCE_ARCHS="" |
| 33 | for arch in `ls ${tree}arch`; do |
| 34 | ALLSOURCE_ARCHS="${ALLSOURCE_ARCHS} "${arch##\/} |
| 35 | done |
| 36 | } |
| 37 | |
| 38 | # Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH |
| 39 | if [ "${ALLSOURCE_ARCHS}" = "" ]; then |
| 40 | ALLSOURCE_ARCHS=${SRCARCH} |
| 41 | elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then |
| 42 | find_all_archs |
| 43 | fi |
| 44 | |
| 45 | # find sources in arch/$ARCH |
| 46 | find_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/$1/include |
| 55 | find_arch_include_sources() |
| 56 | { |
| 57 | include=$(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/ |
| 65 | find_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 |
| 72 | find_other_sources() |
| 73 | { |
| 74 | find ${tree}* $ignore \ |
| 75 | \( -name include -o -name arch -o -name '.tmp_*' \) -prune -o \ |
| 76 | -name "$1" -print; |
| 77 | } |
| 78 | |
| 79 | find_sources() |
| 80 | { |
| 81 | find_arch_sources $1 "$2" |
| 82 | } |
| 83 | |
| 84 | all_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 | |
| 98 | all_kconfigs() |
| 99 | { |
| 100 | for arch in $ALLSOURCE_ARCHS; do |
| 101 | find_sources $arch 'Kconfig*' |
| 102 | done |
| 103 | find_other_sources 'Kconfig*' |
| 104 | } |
| 105 | |
| 106 | all_defconfigs() |
| 107 | { |
| 108 | find_sources $ALLSOURCE_ARCHS "defconfig" |
| 109 | } |
| 110 | |
| 111 | docscope() |
| 112 | { |
| 113 | (echo \-k; echo \-q; all_sources) > cscope.files |
| 114 | cscope -b -f cscope.out |
| 115 | } |
| 116 | |
| 117 | dogtags() |
| 118 | { |
| 119 | all_sources | gtags -f - |
| 120 | } |
| 121 | |
| 122 | exuberant() |
| 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\(([^)]*)\).*/\1/' \ |
| 133 | --regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/' \ |
| 134 | --regex-c++='/^TRACE_EVENT\(([^,)]*).*/trace_\1/' \ |
| 135 | --regex-c++='/^DEFINE_EVENT\([^,)]*, *([^,)]*).*/trace_\1/' |
| 136 | |
| 137 | all_kconfigs | xargs $1 -a \ |
| 138 | --langdef=kconfig --language-force=kconfig \ |
| 139 | --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/' |
| 140 | |
| 141 | all_kconfigs | xargs $1 -a \ |
| 142 | --langdef=kconfig --language-force=kconfig \ |
| 143 | --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/CONFIG_\2/' |
| 144 | |
| 145 | all_defconfigs | xargs -r $1 -a \ |
| 146 | --langdef=dotconfig --language-force=dotconfig \ |
| 147 | --regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/' |
| 148 | |
| 149 | } |
| 150 | |
| 151 | emacs() |
| 152 | { |
| 153 | all_sources | xargs $1 -a \ |
| 154 | --regex='/^ENTRY(\([^)]*\)).*/\1/' \ |
| 155 | --regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/' \ |
| 156 | --regex='/^TRACE_EVENT(\([^,)]*\).*/trace_\1/' \ |
| 157 | --regex='/^DEFINE_EVENT([^,)]*, *\([^,)]*\).*/trace_\1/' |
| 158 | |
| 159 | all_kconfigs | xargs $1 -a \ |
| 160 | --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/' |
| 161 | |
| 162 | all_kconfigs | xargs $1 -a \ |
| 163 | --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/CONFIG_\3/' |
| 164 | |
| 165 | all_defconfigs | xargs -r $1 -a \ |
| 166 | --regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/' |
| 167 | } |
| 168 | |
| 169 | xtags() |
| 170 | { |
| 171 | if $1 --version 2>&1 | grep -iq exuberant; then |
| 172 | exuberant $1 |
| 173 | elif $1 --version 2>&1 | grep -iq emacs; then |
| 174 | emacs $1 |
| 175 | else |
| 176 | all_sources | xargs $1 -a |
| 177 | fi |
| 178 | } |
| 179 | |
| 180 | |
| 181 | # Support um (which uses SUBARCH) |
| 182 | if [ "${ARCH}" = "um" ]; then |
| 183 | if [ "$SUBARCH" = "i386" ]; then |
| 184 | archinclude=x86 |
| 185 | elif [ "$SUBARCH" = "x86_64" ]; then |
| 186 | archinclude=x86 |
| 187 | else |
| 188 | archinclude=${SUBARCH} |
| 189 | fi |
| 190 | fi |
| 191 | |
| 192 | case "$1" in |
| 193 | "cscope") |
| 194 | docscope |
| 195 | ;; |
| 196 | |
| 197 | "gtags") |
| 198 | dogtags |
| 199 | ;; |
| 200 | |
| 201 | "tags") |
| 202 | rm -f tags |
| 203 | xtags ctags |
| 204 | ;; |
| 205 | |
| 206 | "TAGS") |
| 207 | rm -f TAGS |
| 208 | xtags etags |
| 209 | ;; |
| 210 | esac |