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Name	Size	Permission
atomic	[ DIR ]	drwxr-xr-x
basic	[ DIR ]	drwxr-xr-x
coccinelle	[ DIR ]	drwxr-xr-x
dtc	[ DIR ]	drwxr-xr-x
gcc-plugins	[ DIR ]	drwxr-xr-x
gdb	[ DIR ]	drwxr-xr-x
genksyms	[ DIR ]	drwxr-xr-x
kconfig	[ DIR ]	drwxr-xr-x
ksymoops	[ DIR ]	drwxr-xr-x
mod	[ DIR ]	drwxr-xr-x
package	[ DIR ]	drwxr-xr-x
selinux	[ DIR ]	drwxr-xr-x
tracing	[ DIR ]	drwxr-xr-x
.asn1_compiler.cmd	4.62 KB	-rw-r--r--
.bin2c.cmd	1.62 KB	-rw-r--r--
.conmakehash.cmd	3.6 KB	-rw-r--r--
.extract-cert.cmd	6.59 KB	-rw-r--r--
.insert-sys-cert.cmd	6.47 KB	-rw-r--r--
.kallsyms.cmd	3.86 KB	-rw-r--r--
.recordmcount.cmd	4.83 KB	-rw-r--r--
.sign-file.cmd	7.98 KB	-rw-r--r--
.sortextable.cmd	5.12 KB	-rw-r--r--
Kbuild.include	13.08 KB	-rw-r--r--
Kconfig.include	1.64 KB	-rw-r--r--
Lindent	502 B	-rwxr-xr-x
Makefile	1.75 KB	-rw-r--r--
Makefile.asm-generic	1.8 KB	-rw-r--r--
Makefile.build	17.78 KB	-rw-r--r--
Makefile.clean	2.15 KB	-rw-r--r--
Makefile.dtbinst	1.09 KB	-rw-r--r--
Makefile.extrawarn	2.89 KB	-rw-r--r--
Makefile.gcc-plugins	2.61 KB	-rw-r--r--
Makefile.headersinst	2.87 KB	-rw-r--r--
Makefile.host	6.86 KB	-rw-r--r--
Makefile.kasan	1.44 KB	-rw-r--r--
Makefile.kcov	359 B	-rw-r--r--
Makefile.lib	14.67 KB	-rw-r--r--
Makefile.modbuiltin	1.67 KB	-rw-r--r--
Makefile.modfinal	1.79 KB	-rw-r--r--
Makefile.modinst	1.31 KB	-rw-r--r--
Makefile.modpost	3.37 KB	-rw-r--r--
Makefile.modsign	791 B	-rw-r--r--
Makefile.package	6.5 KB	-rw-r--r--
Makefile.ubsan	864 B	-rw-r--r--
adjust_autoksyms.sh	2.62 KB	-rwxr-xr-x
asn1_compiler	35.11 KB	-rwxr-xr-x
asn1_compiler.c	35.33 KB	-rw-r--r--
bin2c	16.44 KB	-rwxr-xr-x
bin2c.c	743 B	-rw-r--r--
bloat-o-meter	3.29 KB	-rwxr-xr-x
bootgraph.pl	5.64 KB	-rwxr-xr-x
bpf_helpers_doc.py	20.12 KB	-rwxr-xr-x
cc-can-link.sh	166 B	-rwxr-xr-x
check_extable.sh	4.93 KB	-rwxr-xr-x
checkincludes.pl	1.94 KB	-rwxr-xr-x
checkkconfigsymbols.py	15.5 KB	-rwxr-xr-x
checkpatch.pl	199.44 KB	-rwxr-xr-x
checkstack.pl	5.27 KB	-rwxr-xr-x
checksyscalls.sh	7.27 KB	-rwxr-xr-x
checkversion.pl	1.9 KB	-rwxr-xr-x
clang-version.sh	527 B	-rwxr-xr-x
cleanfile	3.46 KB	-rwxr-xr-x
cleanpatch	5.06 KB	-rwxr-xr-x
coccicheck	7.25 KB	-rwxr-xr-x
config	4.64 KB	-rwxr-xr-x
conmakehash	17.02 KB	-rwxr-xr-x
conmakehash.c	5.85 KB	-rw-r--r--
const_structs.checkpatch	964 B	-rw-r--r--
decode_stacktrace.sh	3.95 KB	-rwxr-xr-x
decodecode	2.57 KB	-rwxr-xr-x
depmod.sh	1.41 KB	-rwxr-xr-x
diffconfig	3.72 KB	-rwxr-xr-x
documentation-file-ref-check	5.43 KB	-rwxr-xr-x
export_report.pl	4.5 KB	-rwxr-xr-x
extract-cert	17.89 KB	-rwxr-xr-x
extract-cert.c	3.63 KB	-rw-r--r--
extract-ikconfig	1.69 KB	-rwxr-xr-x
extract-module-sig.pl	3.66 KB	-rwxr-xr-x
extract-sys-certs.pl	3.75 KB	-rwxr-xr-x
extract-vmlinux	1.66 KB	-rwxr-xr-x
extract_xc3028.pl	44.62 KB	-rwxr-xr-x
faddr2line	8.17 KB	-rwxr-xr-x
file-size.sh	86 B	-rwxr-xr-x
find-unused-docs.sh	1.27 KB	-rwxr-xr-x
gcc-goto.sh	511 B	-rwxr-xr-x
gcc-ld	711 B	-rwxr-xr-x
gcc-plugin.sh	1.06 KB	-rwxr-xr-x
gcc-version.sh	588 B	-rwxr-xr-x
gcc-x86_32-has-stack-protector...	170 B	-rwxr-xr-x
gcc-x86_64-has-stack-protector...	195 B	-rwxr-xr-x
gen_compile_commands.py	5.56 KB	-rwxr-xr-x
gen_ksymdeps.sh	610 B	-rwxr-xr-x
get_abi.pl	10.1 KB	-rwxr-xr-x
get_dvb_firmware	24.54 KB	-rwxr-xr-x
get_maintainer.pl	66.04 KB	-rwxr-xr-x
gfp-translate	1.69 KB	-rwxr-xr-x
headerdep.pl	3.5 KB	-rwxr-xr-x
headers_check.pl	3.73 KB	-rwxr-xr-x
headers_install.sh	3.59 KB	-rwxr-xr-x
insert-sys-cert	22.21 KB	-rwxr-xr-x
insert-sys-cert.c	13.08 KB	-rw-r--r--
kallsyms	22.3 KB	-rwxr-xr-x
kallsyms.c	18.02 KB	-rw-r--r--
kernel-doc	60.88 KB	-rwxr-xr-x
kmsg-doc	12.13 KB	-rwxr-xr-x
ld-version.sh	269 B	-rwxr-xr-x
leaking_addresses.pl	12.8 KB	-rwxr-xr-x
link-vmlinux.sh	8.14 KB	-rwxr-xr-x
makelst	808 B	-rwxr-xr-x
markup_oops.pl	7.92 KB	-rwxr-xr-x
mkcompile_h	2.83 KB	-rwxr-xr-x
mkmakefile	426 B	-rwxr-xr-x
mksysmap	1.34 KB	-rwxr-xr-x
mkuboot.sh	414 B	-rwxr-xr-x
module-common.lds	901 B	-rw-r--r--
modules-check.sh	303 B	-rwxr-xr-x
namespace.pl	13.18 KB	-rwxr-xr-x
nsdeps	1.95 KB	-rw-r--r--
objdiff	2.84 KB	-rwxr-xr-x
parse-maintainers.pl	3.72 KB	-rwxr-xr-x
patch-kernel	9.95 KB	-rwxr-xr-x
pnmtologo.c	11.91 KB	-rw-r--r--
profile2linkerlist.pl	414 B	-rwxr-xr-x
prune-kernel	708 B	-rwxr-xr-x
recordmcount	32.27 KB	-rwxr-xr-x
recordmcount.c	16.75 KB	-rw-r--r--
recordmcount.h	19.37 KB	-rw-r--r--
recordmcount.pl	18.91 KB	-rwxr-xr-x
setlocalversion	4.72 KB	-rwxr-xr-x
show_delta	3.01 KB	-rwxr-xr-x
sign-file	26.52 KB	-rwxr-xr-x
sign-file.c	9.93 KB	-rw-r--r--
sortextable	21.81 KB	-rwxr-xr-x
sortextable.c	8.32 KB	-rw-r--r--
sortextable.h	5.45 KB	-rw-r--r--
spdxcheck-test.sh	323 B	-rw-r--r--
spdxcheck.py	9.92 KB	-rwxr-xr-x
spelling.txt	28.76 KB	-rw-r--r--
sphinx-pre-install	17.59 KB	-rwxr-xr-x
split-man.pl	604 B	-rwxr-xr-x
stackdelta	1.84 KB	-rwxr-xr-x
stackusage	794 B	-rwxr-xr-x
subarch.include	641 B	-rw-r--r--
tags.sh	9.56 KB	-rwxr-xr-x
tools-support-relr.sh	546 B	-rwxr-xr-x
ubuntu-retpoline-extract-one	7.26 KB	-rw-r--r--
unifdef.c	34.8 KB	-rw-r--r--
ver_linux	2.69 KB	-rwxr-xr-x
xen-hypercalls.sh	386 B	-rw-r--r--
xz_wrap.sh	563 B	-rwxr-xr-x

Code Editor : Kbuild.include

# SPDX-License-Identifier: GPL-2.0
####
# kbuild: Generic definitions

# Convenient variables
comma   := ,
quote   := "
squote  := '
empty   :=
space   := $(empty) $(empty)
space_escape := _-_SPACE_-_
pound := \#

###
# Name of target with a '.' as filename prefix. foo/bar.o => foo/.bar.o
dot-target = $(dir $@).$(notdir $@)

###
# The temporary file to save gcc -MD generated dependencies must not
# contain a comma
depfile = $(subst $(comma),_,$(dot-target).d)

###
# filename of target with directory and extension stripped
basetarget = $(basename $(notdir $@))

###
# real prerequisites without phony targets
real-prereqs = $(filter-out $(PHONY), $^)

###
# Escape single quote for use in echo statements
escsq = $(subst $(squote),'\$(squote)',$1)

###
# Easy method for doing a status message
       kecho := :
 quiet_kecho := echo
silent_kecho := :
kecho := $($(quiet)kecho)

###
# filechk is used to check if the content of a generated file is updated.
# Sample usage:
#
# filechk_sample = echo $(KERNELRELEASE)
# version.h: FORCE
#	$(call filechk,sample)
#
# The rule defined shall write to stdout the content of the new file.
# The existing file will be compared with the new one.
# - If no file exist it is created
# - If the content differ the new file is used
# - If they are equal no change, and no timestamp update
# - stdin is piped in from the first prerequisite ($<) so one has
#   to specify a valid file as first prerequisite (often the kbuild file)
define filechk
	$(Q)set -e;						\
	mkdir -p $(dir $@);					\
	trap "rm -f $(dot-target).tmp" EXIT;			\
	{ $(filechk_$(1)); } > $(dot-target).tmp;		\
	if [ ! -r $@ ] || ! cmp -s $@ $(dot-target).tmp; then	\
		$(kecho) '  UPD     $@';			\
		mv -f $(dot-target).tmp $@;			\
	fi
endef

######
# gcc support functions
# See documentation in Documentation/kbuild/makefiles.rst

# cc-cross-prefix
# Usage: CROSS_COMPILE := $(call cc-cross-prefix, m68k-linux-gnu- m68k-linux-)
# Return first <prefix> where a <prefix>gcc is found in PATH.
# If no gcc found in PATH with listed prefixes return nothing
#
# Note: '2>/dev/null' is here to force Make to invoke a shell. Otherwise, it
# would try to directly execute the shell builtin 'command'. This workaround
# should be kept for a long time since this issue was fixed only after the
# GNU Make 4.2.1 release.
cc-cross-prefix = $(firstword $(foreach c, $(1), \
			$(if $(shell command -v -- $(c)gcc 2>/dev/null), $(c))))

# output directory for tests below
TMPOUT = $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_$$$$

# try-run
# Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise)
# Exit code chooses option. "$$TMP" serves as a temporary file and is
# automatically cleaned up.
try-run = $(shell set -e;		\
	TMP=$(TMPOUT)/tmp;		\
	TMPO=$(TMPOUT)/tmp.o;		\
	mkdir -p $(TMPOUT);		\
	trap "rm -rf $(TMPOUT)" EXIT;	\
	if ($(1)) >/dev/null 2>&1;	\
	then echo "$(2)";		\
	else echo "$(3)";		\
	fi)

# as-option
# Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,)

as-option = $(call try-run,\
	$(CC) $(KBUILD_CFLAGS) $(1) -c -x assembler /dev/null -o "$$TMP",$(1),$(2))

# as-instr
# Usage: cflags-y += $(call as-instr,instr,option1,option2)

as-instr = $(call try-run,\
	printf "%b\n" "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -x assembler -o "$$TMP" -,$(2),$(3))

# __cc-option
# Usage: MY_CFLAGS += $(call __cc-option,$(CC),$(MY_CFLAGS),-march=winchip-c6,-march=i586)
__cc-option = $(call try-run,\
	$(1) -Werror $(2) $(3) -c -x c /dev/null -o "$$TMP",$(3),$(4))

# Do not attempt to build with gcc plugins during cc-option tests.
# (And this uses delayed resolution so the flags will be up to date.)
CC_OPTION_CFLAGS = $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS))

# cc-option
# Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)

cc-option = $(call __cc-option, $(CC),\
	$(KBUILD_CPPFLAGS) $(CC_OPTION_CFLAGS),$(1),$(2))

# cc-option-yn
# Usage: flag := $(call cc-option-yn,-march=winchip-c6)
cc-option-yn = $(call try-run,\
	$(CC) -Werror $(KBUILD_CPPFLAGS) $(CC_OPTION_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n)

# cc-disable-warning
# Usage: cflags-y += $(call cc-disable-warning,unused-but-set-variable)
cc-disable-warning = $(call try-run,\
	$(CC) -Werror $(KBUILD_CPPFLAGS) $(CC_OPTION_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1)))

# cc-ifversion
# Usage:  EXTRA_CFLAGS += $(call cc-ifversion, -lt, 0402, -O1)
cc-ifversion = $(shell [ $(CONFIG_GCC_VERSION)0 $(1) $(2)000 ] && echo $(3) || echo $(4))

# ld-option
# Usage: KBUILD_LDFLAGS += $(call ld-option, -X, -Y)
ld-option = $(call try-run, $(LD) $(KBUILD_LDFLAGS) $(1) -v,$(1),$(2),$(3))

# ld-version
# Note this is mainly for HJ Lu's 3 number binutil versions
ld-version = $(shell $(LD) --version | $(srctree)/scripts/ld-version.sh)

# ld-ifversion
# Usage:  $(call ld-ifversion, -ge, 22252, y)
ld-ifversion = $(shell [ $(ld-version) $(1) $(2) ] && echo $(3) || echo $(4))

######

###
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=
# Usage:
# $(Q)$(MAKE) $(build)=dir
build := -f $(srctree)/scripts/Makefile.build obj

###
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.modbuiltin obj=
# Usage:
# $(Q)$(MAKE) $(modbuiltin)=dir
modbuiltin := -f $(srctree)/scripts/Makefile.modbuiltin obj

###
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.dtbinst obj=
# Usage:
# $(Q)$(MAKE) $(dtbinst)=dir
dtbinst := -f $(srctree)/scripts/Makefile.dtbinst obj

###
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=
# Usage:
# $(Q)$(MAKE) $(clean)=dir
clean := -f $(srctree)/scripts/Makefile.clean obj

# echo command.
# Short version is used, if $(quiet) equals `quiet_', otherwise full one.
echo-cmd = $(if $($(quiet)cmd_$(1)),\
	echo '  $(call escsq,$($(quiet)cmd_$(1)))$(echo-why)';)

# sink stdout for 'make -s'
       redirect :=
 quiet_redirect :=
silent_redirect := exec >/dev/null;

# Delete the target on interruption
#
# GNU Make automatically deletes the target if it has already been changed by
# the interrupted recipe. So, you can safely stop the build by Ctrl-C (Make
# will delete incomplete targets), and resume it later.
#
# However, this does not work when the stderr is piped to another program, like
#  $ make >&2 | tee log
# Make dies with SIGPIPE before cleaning the targets.
#
# To address it, we clean the target in signal traps.
#
# Make deletes the target when it catches SIGHUP, SIGINT, SIGQUIT, SIGTERM.
# So, we cover them, and also SIGPIPE just in case.
#
# Of course, this is unneeded for phony targets.
delete-on-interrupt = \
	$(if $(filter-out $(PHONY), $@), \
		$(foreach sig, HUP INT QUIT TERM PIPE, \
			trap 'rm -f $@; trap - $(sig); kill -s $(sig) $$$$' $(sig);))

# printing commands
cmd = @set -e; $(echo-cmd) $($(quiet)redirect) $(delete-on-interrupt) $(cmd_$(1))

###
# if_changed      - execute command if any prerequisite is newer than
#                   target, or command line has changed
# if_changed_dep  - as if_changed, but uses fixdep to reveal dependencies
#                   including used config symbols
# if_changed_rule - as if_changed but execute rule instead
# See Documentation/kbuild/makefiles.rst for more info

ifneq ($(KBUILD_NOCMDDEP),1)
# Check if both commands are the same including their order. Result is empty
# string if equal. User may override this check using make KBUILD_NOCMDDEP=1
cmd-check = $(filter-out $(subst $(space),$(space_escape),$(strip $(cmd_$@))), \
                         $(subst $(space),$(space_escape),$(strip $(cmd_$1))))
else
cmd-check = $(if $(strip $(cmd_$@)),,1)
endif

# Replace >$< with >$$< to preserve $ when reloading the .cmd file
# (needed for make)
# Replace >#< with >$(pound)< to avoid starting a comment in the .cmd file
# (needed for make)
# Replace >'< with >'\''< to be able to enclose the whole string in '...'
# (needed for the shell)
make-cmd = $(call escsq,$(subst $(pound),$$(pound),$(subst $$,$$$$,$(cmd_$(1)))))

# Find any prerequisites that is newer than target or that does not exist.
# PHONY targets skipped in both cases.
any-prereq = $(filter-out $(PHONY),$?)$(filter-out $(PHONY) $(wildcard $^),$^)

# Execute command if command has changed or prerequisite(s) are updated.
if_changed = $(if $(any-prereq)$(cmd-check),                                 \
	$(cmd);                                                              \
	printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd, @:)

# Execute the command and also postprocess generated .d dependencies file.
if_changed_dep = $(if $(any-prereq)$(cmd-check),$(cmd_and_fixdep),@:)

cmd_and_fixdep =                                                             \
	$(cmd);                                                              \
	scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(dot-target).cmd;\
	rm -f $(depfile)

# Usage: $(call if_changed_rule,foo)
# Will check if $(cmd_foo) or any of the prerequisites changed,
# and if so will execute $(rule_foo).
if_changed_rule = $(if $(any-prereq)$(cmd-check),$(rule_$(1)),@:)

###
# why - tell why a target got built
#       enabled by make V=2
#       Output (listed in the order they are checked):
#          (1) - due to target is PHONY
#          (2) - due to target missing
#          (3) - due to: file1.h file2.h
#          (4) - due to command line change
#          (5) - due to missing .cmd file
#          (6) - due to target not in $(targets)
# (1) PHONY targets are always build
# (2) No target, so we better build it
# (3) Prerequisite is newer than target
# (4) The command line stored in the file named dir/.target.cmd
#     differed from actual command line. This happens when compiler
#     options changes
# (5) No dir/.target.cmd file (used to store command line)
# (6) No dir/.target.cmd file and target not listed in $(targets)
#     This is a good hint that there is a bug in the kbuild file
ifeq ($(KBUILD_VERBOSE),2)
why =                                                                        \
    $(if $(filter $@, $(PHONY)),- due to target is PHONY,                    \
        $(if $(wildcard $@),                                                 \
            $(if $(any-prereq),- due to: $(any-prereq),                      \
                $(if $(cmd-check),                                           \
                    $(if $(cmd_$@),- due to command line change,             \
                        $(if $(filter $@, $(targets)),                       \
                            - due to missing .cmd file,                      \
                            - due to $(notdir $@) not in $$(targets)         \
                         )                                                   \
                     )                                                       \
                 )                                                           \
             ),                                                              \
             - due to target missing                                         \
         )                                                                   \
     )

echo-why = $(call escsq, $(strip $(why)))
endif

###############################################################################
#
# When a Kconfig string contains a filename, it is suitable for
# passing to shell commands. It is surrounded by double-quotes, and
# any double-quotes or backslashes within it are escaped by
# backslashes.
#
# This is no use for dependencies or $(wildcard). We need to strip the
# surrounding quotes and the escaping from quotes and backslashes, and
# we *do* need to escape any spaces in the string. So, for example:
#
# Usage: $(eval $(call config_filename,FOO))
#
# Defines FOO_FILENAME based on the contents of the CONFIG_FOO option,
# transformed as described above to be suitable for use within the
# makefile.
#
# Also, if the filename is a relative filename and exists in the source
# tree but not the build tree, define FOO_SRCPREFIX as $(srctree)/ to
# be prefixed to *both* command invocation and dependencies.
#
# Note: We also print the filenames in the quiet_cmd_foo text, and
# perhaps ought to have a version specially escaped for that purpose.
# But it's only cosmetic, and $(patsubst "%",%,$(CONFIG_FOO)) is good
# enough.  It'll strip the quotes in the common case where there's no
# space and it's a simple filename, and it'll retain the quotes when
# there's a space. There are some esoteric cases in which it'll print
# the wrong thing, but we don't really care. The actual dependencies
# and commands *do* get it right, with various combinations of single
# and double quotes, backslashes and spaces in the filenames.
#
###############################################################################
#
define config_filename
ifneq ($$(CONFIG_$(1)),"")
$(1)_FILENAME := $$(subst \\,\,$$(subst \$$(quote),$$(quote),$$(subst $$(space_escape),\$$(space),$$(patsubst "%",%,$$(subst $$(space),$$(space_escape),$$(CONFIG_$(1)))))))
ifneq ($$(patsubst /%,%,$$(firstword $$($(1)_FILENAME))),$$(firstword $$($(1)_FILENAME)))
else
ifeq ($$(wildcard $$($(1)_FILENAME)),)
ifneq ($$(wildcard $$(srctree)/$$($(1)_FILENAME)),)
$(1)_SRCPREFIX := $(srctree)/
endif
endif
endif
endif
endef
#
###############################################################################

# delete partially updated (i.e. corrupted) files on error
.DELETE_ON_ERROR:

# do not delete intermediate files automatically
.SECONDARY:

${this.title}

Code Editor : Kbuild.include