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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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Shell
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if [[ "$KBUILD_VERBOSE" =~ 1 ]]; then set -xfi
# RCS_FIND_IGNORE has escaped ()s -- remove them.ignore="$(echo "$RCS_FIND_IGNORE" | sed 's|\\||g' )"# tags and cscope files should also ignore MODVERSION *.mod.c filesignore="$ignore ( -name *.mod.c ) -prune -o"
# ignore arbitrary directoriesif [ -n "${IGNORE_DIRS}" ]; then for i in ${IGNORE_DIRS}; do ignore="${ignore} ( -path $i ) -prune -o" donefi
# Use make KBUILD_ABS_SRCTREE=1 {tags|cscope}# to force full paths for a non-O= buildif [ "${srctree}" = "." -o -z "${srctree}" ]; then tree=else tree=${srctree}/fi
# gtags(1) refuses to index any file outside of its current working dir.# If gtags indexing is requested and the build output directory is not# the kernel source tree, index all files in absolute-path form.if [[ "$1" == "gtags" && -n "${tree}" ]]; then tree=$(realpath "$tree")/fi
# Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCHif [ "${ALLSOURCE_ARCHS}" = "" ]; then ALLSOURCE_ARCHS=${SRCARCH}elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then ALLSOURCE_ARCHS=$(find ${tree}arch/ -mindepth 1 -maxdepth 1 -type d -printf '%f ')fi
setup_name_pattern(){ pattern=() for ext; do if [ ${#pattern[@]} -gt 0 ]; then pattern+=("-o" "-name" "$ext") else pattern+=("(" "-name" "$ext") fi done if [ ${#pattern[@]} -gt 0 ]; then pattern+=(")") fi}
# find sources in arch/$1find_arch_sources(){ for i in $archincludedir; do local prune="$prune ( -path $i ) -prune -o" done local src=${tree}arch/$1 shift setup_name_pattern "$@" find $src $ignore $prune "${pattern[@]}" -not -type l -print;}
# find sources in arch/$1/includefind_arch_include_sources(){ local include=$(find ${tree}arch/$1/ -name include -type d -print); if [ -n "$include" ]; then archincludedir="$archincludedir $include" shift setup_name_pattern "$@" find $include $ignore "${pattern[@]}" -not -type l -print; fi}
# find sources in include/find_include_sources(){ setup_name_pattern "$@" find ${tree}include $ignore -name config -prune -o "${pattern[@]}" \ -not -type l -print;}
# find sources in rest of tree# we could benefit from a list of dirs to search in herefind_other_sources(){ setup_name_pattern "$@" find ${tree}* $ignore \ \( -path ${tree}include -o -path ${tree}arch -o -name '.tmp_*' \) -prune -o \ "${pattern[@]}" -not -type l -print;}
all_sources(){ find_arch_include_sources ${SRCARCH} '*.[chS]' '*.rs' if [ -n "$archinclude" ]; then find_arch_include_sources $archinclude '*.[chS]' '*.rs' fi find_include_sources '*.[chS]' '*.rs' for arch in $ALLSOURCE_ARCHS do find_arch_sources $arch '*.[chS]' '*.rs' done find_other_sources '*.[chS]' '*.rs'}
all_compiled_sources(){ { echo include/generated/autoconf.h find $ignore -name "*.cmd" -exec \ grep -Poh '(?<=^ )\S+\.([chS]|rs)(?=\s)|(?<== )\S+\.(?1)(?=$)' {} \+ | awk '!a[$0]++' } | xargs realpath -esq $([ -z "$KBUILD_ABS_SRCTREE" ] && echo --relative-to=.) | sort -u}
all_target_sources(){ if [ -n "$COMPILED_SOURCE" ]; then all_compiled_sources else all_sources fi}
all_kconfigs(){ find ${tree}arch/ -maxdepth 1 $ignore \ -name "Kconfig*" -not -type l -print; for arch in $ALLSOURCE_ARCHS; do find_arch_sources $arch 'Kconfig*' done find_other_sources 'Kconfig*'}
docscope(){ (echo \-k; echo \-q; all_target_sources) > cscope.files cscope -b -f cscope.out}
dogtags(){ all_target_sources | gtags -i -C "${tree:-.}" -f - "$PWD"}
# Basic regular expressions with an optional /kind-spec/ for ctags and# the following limitations:# - No regex modifiers# - Use \{0,1\} instead of \?, because etags expects an unescaped ?# - \s is not working with etags, use a space or [ \t]# - \w works, but does not match underscores in etags# - etags regular expressions have to match at the start of a line;# a ^[^#] is prepended by setup_regex unless an anchor is already presentregex_asm=( '/^\(ENTRY\|_GLOBAL\)([[:space:]]*\([[:alnum:]_\\]*\)).*/\2/' '/^SYM_[[:alnum:]_]*START[[:alnum:]_]*([[:space:]]*\([[:alnum:]_\\]*\)).*/\1/')regex_c=( '/^SYSCALL_DEFINE[0-9]([[:space:]]*\([[:alnum:]_]*\).*/sys_\1/' '/^BPF_CALL_[0-9]([[:space:]]*\([[:alnum:]_]*\).*/\1/' '/^COMPAT_SYSCALL_DEFINE[0-9]([[:space:]]*\([[:alnum:]_]*\).*/compat_sys_\1/' '/^TRACE_EVENT([[:space:]]*\([[:alnum:]_]*\).*/trace_\1/' '/^DEFINE_EVENT([^,)]*,[[:space:]]*\([[:alnum:]_]*\).*/trace_\1/' '/^DEFINE_INSN_CACHE_OPS([[:space:]]*\([[:alnum:]_]*\).*/get_\1_slot/' '/^DEFINE_INSN_CACHE_OPS([[:space:]]*\([[:alnum:]_]*\).*/free_\1_slot/' '/^PAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/Page\1/' '/^PAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/SetPage\1/' '/^PAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/ClearPage\1/' '/^TESTSETFLAG([[:space:]]*\([[:alnum:]_]*\).*/TestSetPage\1/' '/^TESTPAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/Page\1/' '/^SETPAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/SetPage\1/' '/\<__SETPAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/__SetPage\1/' '/\<TESTCLEARFLAG([[:space:]]*\([[:alnum:]_]*\).*/TestClearPage\1/' '/\<__TESTCLEARFLAG([[:space:]]*\([[:alnum:]_]*\).*/TestClearPage\1/' '/\<CLEARPAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/ClearPage\1/' '/\<__CLEARPAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/__ClearPage\1/' '/^__PAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/__SetPage\1/' '/^__PAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/__ClearPage\1/' '/^PAGEFLAG_FALSE([[:space:]]*\([[:alnum:]_]*\).*/Page\1/' '/\<TESTSCFLAG([[:space:]]*\([[:alnum:]_]*\).*/TestSetPage\1/' '/\<TESTSCFLAG([[:space:]]*\([[:alnum:]_]*\).*/TestClearPage\1/' '/\<SETPAGEFLAG_NOOP([[:space:]]*\([[:alnum:]_]*\).*/SetPage\1/' '/\<CLEARPAGEFLAG_NOOP([[:space:]]*\([[:alnum:]_]*\).*/ClearPage\1/' '/\<__CLEARPAGEFLAG_NOOP([[:space:]]*\([[:alnum:]_]*\).*/__ClearPage\1/' '/\<TESTCLEARFLAG_FALSE([[:space:]]*\([[:alnum:]_]*\).*/TestClearPage\1/' '/^PAGE_TYPE_OPS([[:space:]]*\([[:alnum:]_]*\).*/Page\1/' '/^PAGE_TYPE_OPS([[:space:]]*\([[:alnum:]_]*\).*/__SetPage\1/' '/^PAGE_TYPE_OPS([[:space:]]*\([[:alnum:]_]*\).*/__ClearPage\1/' '/^TASK_PFA_TEST([^,]*,[[:space:]]*\([[:alnum:]_]*\))/task_\1/' '/^TASK_PFA_SET([^,]*,[[:space:]]*\([[:alnum:]_]*\))/task_set_\1/' '/^TASK_PFA_CLEAR([^,]*,[[:space:]]*\([[:alnum:]_]*\))/task_clear_\1/' '/^DEF_MMIO_\(IN\|OUT\)_[XD]([[:space:]]*\([[:alnum:]_]*\),[^)]*)/\2/' '/^DEBUGGER_BOILERPLATE([[:space:]]*\([[:alnum:]_]*\))/\1/' '/^DEF_PCI_AC_\(\|NO\)RET([[:space:]]*\([[:alnum:]_]*\).*/\2/' '/^PCI_OP_READ([[:space:]]*\(\w*\).*[1-4])/pci_bus_read_config_\1/' '/^PCI_OP_WRITE([[:space:]]*\(\w*\).*[1-4])/pci_bus_write_config_\1/' '/\<DEFINE_\(RT_MUTEX\|MUTEX\|SEMAPHORE\|SPINLOCK\)([[:space:]]*\([[:alnum:]_]*\)/\2/v/' '/\<DEFINE_\(RAW_SPINLOCK\|RWLOCK\|SEQLOCK\)([[:space:]]*\([[:alnum:]_]*\)/\2/v/' '/\<DEFINE_TIMER(\([^,)]*\),/\1/' '/\<DECLARE_\(RWSEM\|COMPLETION\)([[:space:]]*\([[:alnum:]_]\+\)/\2/v/' '/\<DECLARE_BITMAP([[:space:]]*\([[:alnum:]_]\+\)/\1/v/' '/\(^\|\s\)\(\|L\|H\)LIST_HEAD([[:space:]]*\([[:alnum:]_]*\)/\3/v/' '/\(^\|\s\)RADIX_TREE([[:space:]]*\([[:alnum:]_]*\)/\2/v/' '/\<DEFINE_PER_CPU([^,]*,[[:space:]]*\([[:alnum:]_]*\)/\1/v/' '/\<DEFINE_PER_CPU_SHARED_ALIGNED([^,]*,[[:space:]]*\([[:alnum:]_]*\)/\1/v/' '/\<DECLARE_WAIT_QUEUE_HEAD([[:space:]]*\([[:alnum:]_]*\)/\1/v/' '/\<DECLARE_\(TASKLET\|WORK\|DELAYED_WORK\)([[:space:]]*\([[:alnum:]_]*\)/\2/v/' '/\(^\s\)OFFSET([[:space:]]*\([[:alnum:]_]*\)/\2/v/' '/\(^\s\)DEFINE([[:space:]]*\([[:alnum:]_]*\)/\2/v/' '/\<\(DEFINE\|DECLARE\)_HASHTABLE([[:space:]]*\([[:alnum:]_]*\)/\2/v/' '/\<DEFINE_ID\(R\|A\)([[:space:]]*\([[:alnum:]_]\+\)/\2/' '/\<DEFINE_WD_CLASS([[:space:]]*\([[:alnum:]_]\+\)/\1/' '/\<ATOMIC_NOTIFIER_HEAD([[:space:]]*\([[:alnum:]_]\+\)/\1/' '/\<RAW_NOTIFIER_HEAD([[:space:]]*\([[:alnum:]_]\+\)/\1/' '/\<DECLARE_FAULT_ATTR([[:space:]]*\([[:alnum:]_]\+\)/\1/' '/\<BLOCKING_NOTIFIER_HEAD([[:space:]]*\([[:alnum:]_]\+\)/\1/' '/\<DEVICE_ATTR_\(RW\|RO\|WO\)([[:space:]]*\([[:alnum:]_]\+\)/dev_attr_\2/' '/\<DRIVER_ATTR_\(RW\|RO\|WO\)([[:space:]]*\([[:alnum:]_]\+\)/driver_attr_\2/' '/\<\(DEFINE\|DECLARE\)_STATIC_KEY_\(TRUE\|FALSE\)\(\|_RO\)([[:space:]]*\([[:alnum:]_]\+\)/\4/' '/^SEQCOUNT_LOCKTYPE(\([^,]*\),[[:space:]]*\([^,]*\),[^)]*)/seqcount_\2_t/' '/^SEQCOUNT_LOCKTYPE(\([^,]*\),[[:space:]]*\([^,]*\),[^)]*)/seqcount_\2_init/' '/^\<DECLARE_IDTENTRY[[:alnum:]_]*([^,)]*,[[:space:]]*\([[:alnum:]_]\+\)/\1/' '/^\<DEFINE_IDTENTRY[[:alnum:]_]*([[:space:]]*\([[:alnum:]_]\+\)/\1/' '/^\<DEFINE_FREE(\([[:alnum:]_]\+\)/cleanup_\1/' '/^\<DEFINE_CLASS(\([[:alnum:]_]\+\)/class_\1/' '/^\<EXTEND_CLASS(\([[:alnum:]_]\+\),[[:space:]]*\([[:alnum:]_]\+\)/class_\1\2/' '/^\<DEFINE_GUARD(\([[:alnum:]_]\+\)/class_\1/' '/^\<DEFINE_GUARD_COND(\([[:alnum:]_]\+\),[[:space:]]*\([[:alnum:]_]\+\)/class_\1\2/' '/^\<DEFINE_LOCK_GUARD_[[:digit:]](\([[:alnum:]_]\+\)/class_\1/' '/^\<DEFINE_LOCK_GUARD_[[:digit:]]_COND(\([[:alnum:]_]\+\),[[:space:]]*\([[:alnum:]_]\+\)/class_\1\2/' '/^context_lock_struct(\([^,)]*\)[^)]*)/struct \1/')regex_kconfig=( '/^[[:blank:]]*\(menu\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/\2/' '/^[[:blank:]]*\(menu\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/CONFIG_\2/')setup_regex(){ local mode=$1 lang tmp=() r shift
regex=() for lang; do case "$lang" in asm) tmp=("${regex_asm[@]}") ;; c) tmp=("${regex_c[@]}") ;; kconfig) tmp=("${regex_kconfig[@]}") ;; esac for r in "${tmp[@]}"; do if test "$mode" = "exuberant"; then regex[${#regex[@]}]="--regex-$lang=${r}b" else # Remove ctags /kind-spec/ case "$r" in /*/*/?/) r=${r%?/} esac # Prepend ^[^#] unless already anchored case "$r" in /^*) ;; *) r="/^[^#]*${r#/}" esac regex[${#regex[@]}]="--regex=$r" fi done done}
exuberant(){ CTAGS_EXTRA="extra" if $1 --version 2>&1 | grep -iq universal; then CTAGS_EXTRA="extras" fi setup_regex exuberant asm c # identifiers to ignore by ctags local ign=( ACPI_EXPORT_SYMBOL DECLARE_BITMAP DEFINE_{TRACE,MUTEX,TIMER} EXPORT_SYMBOL EXPORT_SYMBOL_GPL EXPORT_TRACEPOINT_SYMBOL EXPORT_TRACEPOINT_SYMBOL_GPL ____cacheline_aligned ____cacheline_aligned_in_smp ____cacheline_internodealigned_in_smp __acquires __aligned __always_inline __always_unused __attribute __cacheline_aligned __cacheline_aligned_in_smp __deprecated __exitdata __initconst __initdata __initdata_memblock __maybe_unused __must_check __must_hold __packed __packed2__ __read_mostly __refdata __releases __ro_after_init __used const static ) all_target_sources | \ xargs $1 -a -I "$(IFS=','; echo "${ign[*]}")" \ --$CTAGS_EXTRA=+fq --c-kinds=+px --fields=+iaS --langmap=c:+.h \ "${regex[@]}"
KCONFIG_ARGS=() if ! $1 --list-languages | grep -iq kconfig; then setup_regex exuberant kconfig KCONFIG_ARGS=(--langdef=kconfig --language-force=kconfig "${regex[@]}") fi all_kconfigs | xargs $1 -a "${KCONFIG_ARGS[@]}"}
emacs(){ setup_regex emacs asm c all_target_sources | xargs $1 -a "${regex[@]}"
setup_regex emacs kconfig all_kconfigs | xargs $1 -a "${regex[@]}"}
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_target_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} fifi
remove_structs=case "$1" in "cscope") docscope ;;
"gtags") dogtags ;;
"tags") rm -f tags xtags ${CTAGS:-ctags} remove_structs=y ;;
"TAGS") rm -f TAGS xtags etags remove_structs=y ;;esac
# Remove structure forward declarations.if [ -n "$remove_structs" ]; then LC_ALL=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' $1fi