2e6cb8b0dc
If a tag file is not removed before it is regenerated, the newly generated data is appended to the old, which preserves stale data and makes the tag file grow over time. Signed-off-by: Matt Kraai <kraai@ftbfs.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
176 lines
4.0 KiB
Bash
Executable File
176 lines
4.0 KiB
Bash
Executable File
#!/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()
|
|
{
|
|
(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 \
|
|
--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
|