#!/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 [ "$KBUILD_VERBOSE" = "1" ]; then set -x fi # This is a duplicate of RCS_FIND_IGNORE without escaped '()' ignore="( -name SCCS -o -name BitKeeper -o -name .svn -o \ -name CVS -o -name .pc -o -name .hg -o \ -name .git ) \ -prune -o" # Do not use full path is we do not use O=.. builds if [ "${KBUILD_SRC}" = "" ]; then tree= else tree=${srctree}/ fi # Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH if [ "${ALLSOURCE_ARCHS}" = "" ]; then ALLSOURCE_ARCHS=${SRCARCH} fi # find sources in arch/$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" } all_sources() { for arch in $ALLSOURCE_ARCHS do find_sources $arch '*.[chS]' done if [ ! -z "$archinclude" ]; then find_arch_include_sources $archinclude '*.[chS]' fi find_include_sources '*.[chS]' find_other_sources '*.[chS]' } all_kconfigs() { for arch in $ALLSOURCE_ARCHS; do find_sources $arch 'Kconfig*' done find_other_sources 'Kconfig*' } all_defconfigs() { find_sources $ALLSOURCE_ARCHS "defconfig" } docscope() { # always use absolute paths for cscope, as recommended by cscope # upstream case "$tree" in /*) ;; *) tree=$PWD/$tree ;; esac (cd /; echo \-k; echo \-q; all_sources) > cscope.files cscope -b -f cscope.out } exuberant() { 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 \ -I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \ --extra=+f --c-kinds=-px \ --regex-asm='/^ENTRY\(([^)]*)\).*/\1/' \ --regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\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 \ --regex='/^ENTRY(\([^)]*\)).*/\1/' \ --regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/' 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") rm -f tags xtags ctags ;; "TAGS") rm -f TAGS xtags etags ;; esac