161 lines
3.5 KiB
Bash
161 lines
3.5 KiB
Bash
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#!/bin/sh
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# Generate tags or cscope files
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# Usage tags.sh <mode>
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#
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# mode may be any of: tags, TAGS, cscope
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#
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# Uses the following environment variables:
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# ARCH, SUBARCH, srctree, src, obj
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if [ $KBUILD_VERBOSE == 1 ]; then
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set -x
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fi
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# This is a duplicate of RCS_FIND_IGNORE without escaped '()'
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ignore="( -name SCCS -o -name BitKeeper -o -name .svn -o \
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-name CVS -o -name .pc -o -name .hg -o \
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-name .git ) \
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-prune -o"
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# Do not use full path is we do not use O=.. builds
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if [ ${src} == ${obj} ]; then
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tree=
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else
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tree=${srctree}
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fi
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# find sources in arch/$ARCH
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find_arch_sources()
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{
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find ${tree}arch/$1 $ignore -name $2 -print;
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}
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# find sources in arch/$1/include
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find_arch_include_sources()
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{
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find ${tree}arch/$1/include $ignore -name $2 -print;
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}
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# find sources in include/
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find_include_sources()
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{
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find ${tree}include $ignore -name config -prune -o -name $1 -print;
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}
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# find sources in rest of tree
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# we could benefit from a list of dirs to search in here
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find_other_sources()
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{
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find ${tree}* $ignore \
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\( -name include -o -name arch -o -name '.tmp_*' \) -prune -o \
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-name $1 -print;
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}
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find_sources()
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{
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find_arch_sources $1 $2
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find_include_sources $2
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find_other_sources $2
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}
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all_sources()
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{
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find_sources $SRCARCH *.[chS]
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if [ ! -z "$archinclude" ]; then
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find_arch_include_sources $archinclude *.[chS]
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fi
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}
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all_kconfigs()
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{
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find_sources $SRCARCH "Kconfig*"
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}
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all_defconfigs()
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{
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find_sources $SRCARCH "defconfig"
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}
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docscope()
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{
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(echo \-k; echo \-q; all_sources) > cscope.files
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cscope -b -f cscope.out
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}
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exuberant()
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{
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all_sources > all
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all_sources | xargs $1 -a \
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-I __initdata,__exitdata,__acquires,__releases \
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-I __read_mostly,____cacheline_aligned \
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-I ____cacheline_aligned_in_smp \
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-I ____cacheline_internodealigned_in_smp \
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-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \
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--extra=+f --c-kinds=+px \
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--regex-asm='/^ENTRY\(([^)]*)\).*/\1/'
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all_kconfigs | xargs $1 -a \
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--langdef=kconfig --language-force=kconfig \
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--regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/'
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all_kconfigs | xargs $1 -a \
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--langdef=kconfig --language-force=kconfig \
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--regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/CONFIG_\2/'
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all_defconfigs | xargs -r $1 -a \
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--langdef=dotconfig --language-force=dotconfig \
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--regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/'
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}
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emacs()
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{
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all_sources | xargs $1 -a
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all_kconfigs | xargs $1 -a \
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--regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/'
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all_kconfigs | xargs $1 -a \
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--regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/CONFIG_\3/'
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all_defconfigs | xargs -r $1 -a \
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--regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/'
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}
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xtags()
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{
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if $1 --version 2>&1 | grep -iq exuberant; then
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exuberant $1
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elif $1 --version 2>&1 | grep -iq emacs; then
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emacs $1
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else
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all_sources | xargs $1 -a
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fi
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}
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# Support um (which uses SUBARCH)
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if [ ${ARCH} == um ]; then
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if [ $SUBARCH == i386 ]; then
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archinclude=x86
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elif [ $SUBARCH == x86_64 ]; then
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archinclude=x86
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else
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archinclude=${SUBARCH}
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fi
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fi
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case "$1" in
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"cscope")
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docscope
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;;
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"tags")
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xtags ctags
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;;
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"TAGS")
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xtags etags
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;;
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esac
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