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tags and cscope support really belongs in a shell script
as they do not benefit from the make functionality. Moving the support to a shell script has several benefits: - The readability of the code has increased a lot - More people is able to extend the tags support - We see less changes to the top-level Makefile The shell script version includes improvements from: Alexey Dobriyan <adobriyan@gmail.com> (jump to kconfig symbols) Alexey Dobriyan <adobriyan@gmail.com> (drop ./ in paths) Ian Campbell <ijc@hellion.org.uk> (simplified find algorithms) This version has a few caveats: => It does not support ALLSOURCE_ARCHS - it is easy to add if it is really used => It assumes all archs have moved to arch/$ARCH/include - until that happens we have a few additional hits in the archs Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Alexey Dobriyan <adobriyan@gmail.com> Tested-by: Ian Campbell <ijc@hellion.org.uk>
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Dec 3, 2008
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -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" | ||
|
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||
| # 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; | ||
| } | ||
|
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||
| # 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; | ||
| } | ||
|
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||
| find_sources() | ||
| { | ||
| find_arch_sources $1 $2 | ||
| find_include_sources $2 | ||
| find_other_sources $2 | ||
| } | ||
|
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||
| all_sources() | ||
| { | ||
| find_sources $SRCARCH *.[chS] | ||
| if [ ! -z "$archinclude" ]; then | ||
| find_arch_include_sources $archinclude *.[chS] | ||
| fi | ||
| } | ||
|
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||
| all_kconfigs() | ||
| { | ||
| find_sources $SRCARCH "Kconfig*" | ||
| } | ||
|
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||
| all_defconfigs() | ||
| { | ||
| find_sources $SRCARCH "defconfig" | ||
| } | ||
|
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||
| 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/' | ||
|
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||
| all_kconfigs | xargs $1 -a \ | ||
| --langdef=kconfig --language-force=kconfig \ | ||
| --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/' | ||
|
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||
| all_kconfigs | xargs $1 -a \ | ||
| --langdef=kconfig --language-force=kconfig \ | ||
| --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/CONFIG_\2/' | ||
|
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||
| all_defconfigs | xargs -r $1 -a \ | ||
| --langdef=dotconfig --language-force=dotconfig \ | ||
| --regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/' | ||
|
|
||
| } | ||
|
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||
| emacs() | ||
| { | ||
| all_sources | xargs $1 -a | ||
|
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| all_kconfigs | xargs $1 -a \ | ||
| --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/' | ||
|
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| all_kconfigs | xargs $1 -a \ | ||
| --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/CONFIG_\3/' | ||
|
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| all_defconfigs | xargs -r $1 -a \ | ||
| --regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/' | ||
| } | ||
|
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||
| 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 | ||
| } | ||
|
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||
|
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| # 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 | ||
|
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||
| case "$1" in | ||
| "cscope") | ||
| docscope | ||
| ;; | ||
|
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||
| "tags") | ||
| xtags ctags | ||
| ;; | ||
|
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| "TAGS") | ||
| xtags etags | ||
| ;; | ||
| esac |