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authorroot <root@artemis.panaceas.org>2015-12-25 04:40:36 +0000
committerroot <root@artemis.panaceas.org>2015-12-25 04:40:36 +0000
commit849369d6c66d3054688672f97d31fceb8e8230fb (patch)
tree6135abc790ca67dedbe07c39806591e70eda81ce /scripts/tags.sh
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-rwxr-xr-xscripts/tags.sh210
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+#!/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, SRCARCH, srctree, src, obj
+
+if [ "$KBUILD_VERBOSE" = "1" ]; then
+ set -x
+fi
+
+# This is a duplicate of RCS_FIND_IGNORE without escaped '()'
+ignore="( -name SCCS -o -name BitKeeper -o -name .svn -o \
+ -name CVS -o -name .pc -o -name .hg -o \
+ -name .git ) \
+ -prune -o"
+
+# Do not use full path if we do not use O=.. builds
+# Use make O=. {tags|cscope}
+# to force full paths for a non-O= build
+if [ "${KBUILD_SRC}" = "" ]; then
+ tree=
+else
+ tree=${srctree}/
+fi
+
+# Find all available archs
+find_all_archs()
+{
+ ALLSOURCE_ARCHS=""
+ for arch in `ls ${tree}arch`; do
+ ALLSOURCE_ARCHS="${ALLSOURCE_ARCHS} "${arch##\/}
+ done
+}
+
+# Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH
+if [ "${ALLSOURCE_ARCHS}" = "" ]; then
+ ALLSOURCE_ARCHS=${SRCARCH}
+elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then
+ find_all_archs
+fi
+
+# find sources in arch/$ARCH
+find_arch_sources()
+{
+ for i in $archincludedir; do
+ prune="$prune -wholename $i -prune -o"
+ done
+ find ${tree}arch/$1 $ignore $prune -name "$2" -print;
+}
+
+# find sources in arch/$1/include
+find_arch_include_sources()
+{
+ include=$(find ${tree}arch/$1/ -name include -type d);
+ if [ -n "$include" ]; then
+ archincludedir="$archincludedir $include"
+ find $include $ignore -name "$2" -print;
+ fi
+}
+
+# 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()
+{
+ find_arch_include_sources ${SRCARCH} '*.[chS]'
+ if [ ! -z "$archinclude" ]; then
+ find_arch_include_sources $archinclude '*.[chS]'
+ fi
+ find_include_sources '*.[chS]'
+ for arch in $ALLSOURCE_ARCHS
+ do
+ find_sources $arch '*.[chS]'
+ done
+ 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()
+{
+ (echo \-k; echo \-q; all_sources) > cscope.files
+ cscope -b -f cscope.out
+}
+
+dogtags()
+{
+ all_sources | gtags -f -
+}
+
+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/' \
+ --regex-c++='/^TRACE_EVENT\(([^,)]*).*/trace_\1/' \
+ --regex-c++='/^DEFINE_EVENT\([^,)]*, *([^,)]*).*/trace_\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/' \
+ --regex='/^TRACE_EVENT(\([^,)]*\).*/trace_\1/' \
+ --regex='/^DEFINE_EVENT([^,)]*, *\([^,)]*\).*/trace_\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
+ ;;
+
+ "gtags")
+ dogtags
+ ;;
+
+ "tags")
+ rm -f tags
+ xtags ctags
+ ;;
+
+ "TAGS")
+ rm -f TAGS
+ xtags etags
+ ;;
+esac