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Diffstat (limited to 'scripts/tags.sh')
-rwxr-xr-x | scripts/tags.sh | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/scripts/tags.sh b/scripts/tags.sh new file mode 100755 index 0000000..47274dc --- /dev/null +++ b/scripts/tags.sh @@ -0,0 +1,160 @@ +#!/bin/sh +# Generate tags or cscope files +# Usage tags.sh <mode> +# +# mode may be any of: tags, TAGS, cscope +# +# Uses the following environment variables: +# ARCH, SUBARCH, srctree, src, obj + +if [ $KBUILD_VERBOSE == 1 ]; then + set -x +fi + +# This is a duplicate of RCS_FIND_IGNORE without escaped '()' +ignore="( -name SCCS -o -name BitKeeper -o -name .svn -o \ + -name CVS -o -name .pc -o -name .hg -o \ + -name .git ) \ + -prune -o" + +# Do not use full path is we do not use O=.. builds +if [ ${src} == ${obj} ]; then + tree= +else + tree=${srctree} +fi + +# find sources in arch/$ARCH +find_arch_sources() +{ + find ${tree}arch/$1 $ignore -name $2 -print; +} + +# find sources in arch/$1/include +find_arch_include_sources() +{ + find ${tree}arch/$1/include $ignore -name $2 -print; +} + +# find sources in include/ +find_include_sources() +{ + find ${tree}include $ignore -name config -prune -o -name $1 -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 \ + \( -name include -o -name arch -o -name '.tmp_*' \) -prune -o \ + -name $1 -print; +} + +find_sources() +{ + find_arch_sources $1 $2 + find_include_sources $2 + find_other_sources $2 +} + +all_sources() +{ + find_sources $SRCARCH *.[chS] + if [ ! -z "$archinclude" ]; then + find_arch_include_sources $archinclude *.[chS] + fi +} + +all_kconfigs() +{ + find_sources $SRCARCH "Kconfig*" +} + +all_defconfigs() +{ + find_sources $SRCARCH "defconfig" +} + +docscope() +{ + (echo \-k; echo \-q; all_sources) > cscope.files + cscope -b -f cscope.out +} + +exuberant() +{ + all_sources > all + all_sources | xargs $1 -a \ + -I __initdata,__exitdata,__acquires,__releases \ + -I __read_mostly,____cacheline_aligned \ + -I ____cacheline_aligned_in_smp \ + -I ____cacheline_internodealigned_in_smp \ + -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \ + --extra=+f --c-kinds=+px \ + --regex-asm='/^ENTRY\(([^)]*)\).*/\1/' + + all_kconfigs | xargs $1 -a \ + --langdef=kconfig --language-force=kconfig \ + --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/' + + all_kconfigs | xargs $1 -a \ + --langdef=kconfig --language-force=kconfig \ + --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/CONFIG_\2/' + + all_defconfigs | xargs -r $1 -a \ + --langdef=dotconfig --language-force=dotconfig \ + --regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/' + +} + +emacs() +{ + all_sources | xargs $1 -a + + all_kconfigs | xargs $1 -a \ + --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/' + + all_kconfigs | xargs $1 -a \ + --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/CONFIG_\3/' + + all_defconfigs | xargs -r $1 -a \ + --regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/' +} + +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_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 + +case "$1" in + "cscope") + docscope + ;; + + "tags") + xtags ctags + ;; + + "TAGS") + xtags etags + ;; +esac |