79c704a878
Currently, while using ctags to read code, we would get stumbled on PageCgroup* symbols: no definition found. And it is quite dull to manually dig it out. This patch adds regular expression replacement pattern for such symbols, like what have done for the PageXXX flag. It will teach ctags to find out the definition for us. Signed-off-by: Jianyu Zhan <nasa4836@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
338 lines
10 KiB
Bash
Executable File
338 lines
10 KiB
Bash
Executable File
#!/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, SRCARCH, srctree, src, obj
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if [ "$KBUILD_VERBOSE" = "1" ]; then
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set -x
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fi
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# RCS_FIND_IGNORE has escaped ()s -- remove them.
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ignore="$(echo "$RCS_FIND_IGNORE" | sed 's|\\||g' )"
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# tags and cscope files should also ignore MODVERSION *.mod.c files
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ignore="$ignore ( -name *.mod.c ) -prune -o"
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# Do not use full path if we do not use O=.. builds
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# Use make O=. {tags|cscope}
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# to force full paths for a non-O= build
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if [ "${KBUILD_SRC}" = "" ]; then
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tree=
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else
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tree=${srctree}/
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fi
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# ignore userspace tools
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ignore="$ignore ( -path ${tree}tools ) -prune -o"
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# Find all available archs
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find_all_archs()
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{
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ALLSOURCE_ARCHS=""
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for arch in `ls ${tree}arch`; do
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ALLSOURCE_ARCHS="${ALLSOURCE_ARCHS} "${arch##\/}
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done
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}
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# Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH
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if [ "${ALLSOURCE_ARCHS}" = "" ]; then
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ALLSOURCE_ARCHS=${SRCARCH}
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elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then
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find_all_archs
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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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for i in $archincludedir; do
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prune="$prune -wholename $i -prune -o"
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done
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find ${tree}arch/$1 $ignore $subarchprune $prune -name "$2" -print;
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}
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# find sources in arch/$1/include
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find_arch_include_sources()
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{
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include=$(find ${tree}arch/$1/ $subarchprune \
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-name include -type d -print);
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if [ -n "$include" ]; then
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archincludedir="$archincludedir $include"
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find $include $ignore -name "$2" -print;
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fi
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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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}
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all_sources()
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{
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find_arch_include_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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find_include_sources '*.[chS]'
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for arch in $ALLSOURCE_ARCHS
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do
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find_sources $arch '*.[chS]'
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done
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find_other_sources '*.[chS]'
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}
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all_compiled_sources()
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{
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for i in $(all_sources); do
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case "$i" in
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*.[cS])
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j=${i/\.[cS]/\.o}
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if [ -e $j ]; then
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echo $i
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fi
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;;
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*)
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echo $i
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;;
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esac
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done
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}
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all_target_sources()
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{
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if [ -n "$COMPILED_SOURCE" ]; then
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all_compiled_sources
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else
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all_sources
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fi
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}
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all_kconfigs()
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{
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for arch in $ALLSOURCE_ARCHS; do
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find_sources $arch 'Kconfig*'
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done
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find_other_sources 'Kconfig*'
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}
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all_defconfigs()
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{
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find_sources $ALLSOURCE_ARCHS "defconfig"
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}
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docscope()
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{
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(echo \-k; echo \-q; all_target_sources) > cscope.files
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cscope -b -f cscope.out
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}
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dogtags()
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{
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all_target_sources | gtags -i -f -
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}
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exuberant()
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{
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all_target_sources | xargs $1 -a \
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-I __initdata,__exitdata,__initconst, \
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-I __cpuinitdata,__initdata_memblock \
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-I __refdata,__attribute,__maybe_unused,__always_unused \
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-I __acquires,__releases,__deprecated \
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-I __read_mostly,__aligned,____cacheline_aligned \
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-I ____cacheline_aligned_in_smp \
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-I __cacheline_aligned,__cacheline_aligned_in_smp \
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-I ____cacheline_internodealigned_in_smp \
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-I __used,__packed,__packed2__,__must_check,__must_hold \
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-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL,ACPI_EXPORT_SYMBOL \
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-I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \
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-I static,const \
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--extra=+f --c-kinds=+px \
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--regex-asm='/^(ENTRY|_GLOBAL)\(([^)]*)\).*/\2/' \
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--regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/' \
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--regex-c++='/^TRACE_EVENT\(([^,)]*).*/trace_\1/' \
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--regex-c++='/^DEFINE_EVENT\([^,)]*, *([^,)]*).*/trace_\1/' \
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--regex-c++='/PAGEFLAG\(([^,)]*).*/Page\1/' \
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--regex-c++='/PAGEFLAG\(([^,)]*).*/SetPage\1/' \
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--regex-c++='/PAGEFLAG\(([^,)]*).*/ClearPage\1/' \
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--regex-c++='/TESTSETFLAG\(([^,)]*).*/TestSetPage\1/' \
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--regex-c++='/TESTPAGEFLAG\(([^,)]*).*/Page\1/' \
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--regex-c++='/SETPAGEFLAG\(([^,)]*).*/SetPage\1/' \
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--regex-c++='/__SETPAGEFLAG\(([^,)]*).*/__SetPage\1/' \
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--regex-c++='/TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \
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--regex-c++='/__TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \
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--regex-c++='/CLEARPAGEFLAG\(([^,)]*).*/ClearPage\1/' \
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--regex-c++='/__CLEARPAGEFLAG\(([^,)]*).*/__ClearPage\1/' \
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--regex-c++='/__PAGEFLAG\(([^,)]*).*/__SetPage\1/' \
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--regex-c++='/__PAGEFLAG\(([^,)]*).*/__ClearPage\1/' \
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--regex-c++='/PAGEFLAG_FALSE\(([^,)]*).*/Page\1/' \
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--regex-c++='/TESTSCFLAG\(([^,)]*).*/TestSetPage\1/' \
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--regex-c++='/TESTSCFLAG\(([^,)]*).*/TestClearPage\1/' \
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--regex-c++='/SETPAGEFLAG_NOOP\(([^,)]*).*/SetPage\1/' \
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--regex-c++='/CLEARPAGEFLAG_NOOP\(([^,)]*).*/ClearPage\1/' \
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--regex-c++='/__CLEARPAGEFLAG_NOOP\(([^,)]*).*/__ClearPage\1/' \
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--regex-c++='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \
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--regex-c++='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/' \
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--regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/' \
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--regex-c++='/TESTPCGFLAG\(([^,)]*).*/PageCgroup\1/' \
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--regex-c++='/SETPCGFLAG\(([^,)]*).*/SetPageCgroup\1/' \
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--regex-c++='/CLEARPCGFLAG\(([^,)]*).*/ClearPageCgroup\1/' \
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--regex-c++='/TESTCLEARPCGFLAG\(([^,)]*).*/TestClearPageCgroup\1/' \
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--regex-c='/PCI_OP_READ\((\w*).*[1-4]\)/pci_bus_read_config_\1/' \
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--regex-c='/PCI_OP_WRITE\((\w*).*[1-4]\)/pci_bus_write_config_\1/' \
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--regex-c='/DEFINE_(MUTEX|SEMAPHORE|SPINLOCK)\((\w*)/\2/v/' \
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--regex-c='/DEFINE_(RAW_SPINLOCK|RWLOCK|SEQLOCK)\((\w*)/\2/v/' \
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--regex-c='/DECLARE_(RWSEM|COMPLETION)\((\w*)/\2/v/' \
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--regex-c='/DECLARE_BITMAP\((\w*)/\1/v/' \
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--regex-c='/(^|\s)(|L|H)LIST_HEAD\((\w*)/\3/v/' \
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--regex-c='/(^|\s)RADIX_TREE\((\w*)/\2/v/' \
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--regex-c='/DEFINE_PER_CPU\(([^,]*,\s*)(\w*).*\)/\2/v/' \
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--regex-c='/DEFINE_PER_CPU_SHARED_ALIGNED\(([^,]*,\s*)(\w*).*\)/\2/v/' \
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--regex-c='/DECLARE_WAIT_QUEUE_HEAD\((\w*)/\1/v/' \
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--regex-c='/DECLARE_(TASKLET|WORK|DELAYED_WORK)\((\w*)/\2/v/' \
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--regex-c='/DEFINE_PCI_DEVICE_TABLE\((\w*)/\1/v/' \
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--regex-c='/(^\s)OFFSET\((\w*)/\2/v/' \
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--regex-c='/(^\s)DEFINE\((\w*)/\2/v/' \
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--regex-c='/DEFINE_HASHTABLE\((\w*)/\1/v/'
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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_target_sources | xargs $1 -a \
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--regex='/^\(ENTRY\|_GLOBAL\)(\([^)]*\)).*/\2/' \
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--regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/' \
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--regex='/^TRACE_EVENT(\([^,)]*\).*/trace_\1/' \
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--regex='/^DEFINE_EVENT([^,)]*, *\([^,)]*\).*/trace_\1/' \
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--regex='/PAGEFLAG(\([^,)]*\).*/Page\1/' \
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--regex='/PAGEFLAG(\([^,)]*\).*/SetPage\1/' \
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--regex='/PAGEFLAG(\([^,)]*\).*/ClearPage\1/' \
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--regex='/TESTSETFLAG(\([^,)]*\).*/TestSetPage\1/' \
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--regex='/TESTPAGEFLAG(\([^,)]*\).*/Page\1/' \
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--regex='/SETPAGEFLAG(\([^,)]*\).*/SetPage\1/' \
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--regex='/__SETPAGEFLAG(\([^,)]*\).*/__SetPage\1/' \
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--regex='/TESTCLEARFLAG(\([^,)]*\).*/TestClearPage\1/' \
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--regex='/__TESTCLEARFLAG(\([^,)]*\).*/TestClearPage\1/' \
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--regex='/CLEARPAGEFLAG(\([^,)]*\).*/ClearPage\1/' \
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--regex='/__CLEARPAGEFLAG(\([^,)]*\).*/__ClearPage\1/' \
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--regex='/__PAGEFLAG(\([^,)]*\).*/__SetPage\1/' \
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--regex='/__PAGEFLAG(\([^,)]*\).*/__ClearPage\1/' \
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--regex='/PAGEFLAG_FALSE(\([^,)]*\).*/Page\1/' \
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--regex='/TESTSCFLAG(\([^,)]*\).*/TestSetPage\1/' \
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--regex='/TESTSCFLAG(\([^,)]*\).*/TestClearPage\1/' \
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--regex='/SETPAGEFLAG_NOOP(\([^,)]*\).*/SetPage\1/' \
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--regex='/CLEARPAGEFLAG_NOOP(\([^,)]*\).*/ClearPage\1/' \
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--regex='/__CLEARPAGEFLAG_NOOP(\([^,)]*\).*/__ClearPage\1/' \
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--regex='/TESTCLEARFLAG_FALSE(\([^,)]*\).*/TestClearPage\1/' \
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--regex='/__TESTCLEARFLAG_FALSE(\([^,)]*\).*/__TestClearPage\1/' \
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--regex='/TESTPCGFLAG\(([^,)]*).*/PageCgroup\1/' \
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--regex='/SETPCGFLAG\(([^,)]*).*/SetPageCgroup\1/' \
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--regex='/CLEARPCGFLAG\(([^,)]*).*/ClearPageCgroup\1/' \
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--regex='/TESTCLEARPCGFLAG\(([^,)]*).*/TestClearPageCgroup\1/' \
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--regex='/_PE(\([^,)]*\).*/PEVENT_ERRNO__\1/' \
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--regex='/PCI_OP_READ(\([a-z]*[a-z]\).*[1-4])/pci_bus_read_config_\1/' \
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--regex='/PCI_OP_WRITE(\([a-z]*[a-z]\).*[1-4])/pci_bus_write_config_\1/'\
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--regex='/DEFINE_HASHTABLE\((\w*)/\1/v/'
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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_target_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=${SUBARCH}
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fi
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elif [ "${SRCARCH}" = "arm" -a "${SUBARCH}" != "" ]; then
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subarchdir=$(find ${tree}arch/$SRCARCH/ -name "mach-*" -type d -o \
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-name "plat-*" -type d);
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for i in $subarchdir; do
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case "$i" in
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*"mach-"${SUBARCH})
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;;
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*"plat-"${SUBARCH})
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;;
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*)
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subarchprune="$subarchprune \
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-wholename $i -prune -o"
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;;
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esac
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done
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fi
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remove_structs=
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case "$1" in
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"cscope")
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docscope
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;;
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"gtags")
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dogtags
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;;
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"tags")
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rm -f tags
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xtags ctags
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remove_structs=y
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;;
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"TAGS")
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rm -f TAGS
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xtags etags
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remove_structs=y
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;;
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esac
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# Remove structure forward declarations.
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if [ -n "$remove_structs" ]; then
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LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' $1
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fi
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