FM / scripts

/usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/scripts/

/usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/scripts

Name	Size	Mode	Actions
basic/	-	0755	rm
clang-tools/	-	0755	rm
coccinelle/	-	0755	rm
dtc/	-	0755	rm
gcc-plugins/	-	0755	rm
gdb/	-	0755	rm
genksyms/	-	0755	rm
kconfig/	-	0755	rm
ksymoops/	-	0755	rm
mod/	-	0755	rm
package/	-	0755	rm
selinux/	-	0755	rm
adjust_autoksyms.sh	3010	0755	edit dl rm
asn1_compiler	28008	0755	edit dl rm
asn1_compiler.c	36391	0644	edit dl rm
bin2c	7024	0755	edit dl rm
bin2c.c	743	0644	edit dl rm
bloat-o-meter	3313	0755	edit dl rm
bootgraph.pl	6426	0755	edit dl rm
bpf_doc.py	25515	0755	edit dl rm
cc-can-link.sh	166	0755	edit dl rm
checkincludes.pl	1984	0755	edit dl rm
checkkconfigsymbols.py	15895	0755	edit dl rm
checkpatch.pl	197186	0755	edit dl rm
checkstack.pl	5303	0755	edit dl rm
checksyscalls.sh	7094	0755	edit dl rm
checkversion.pl	1938	0755	edit dl rm
check_00index.sh	1333	0755	edit dl rm
check_extable.sh	5049	0755	edit dl rm
clang-version.sh	635	0755	edit dl rm
cleanfile	3538	0755	edit dl rm
cleanpatch	5178	0755	edit dl rm
coccicheck	7407	0755	edit dl rm
config	4635	0755	edit dl rm
conmakehash	11616	0755	edit dl rm
conmakehash.c	6128	0644	edit dl rm
const_structs.checkpatch	964	0644	edit dl rm
decodecode	2525	0755	edit dl rm
decode_stacktrace.sh	3834	0755	edit dl rm
depmod.sh	1119	0755	edit dl rm
diffconfig	3821	0755	edit dl rm
documentation-file-ref-check	3548	0755	edit dl rm
export_report.pl	4654	0755	edit dl rm
extract-cert	11616	0755	edit dl rm
extract-cert.c	3541	0644	edit dl rm
extract-ikconfig	1734	0755	edit dl rm
extract-module-sig.pl	3742	0755	edit dl rm
extract-sys-certs.pl	3832	0755	edit dl rm
extract-vmlinux	1725	0755	edit dl rm
extract_xc3028.pl	45665	0755	edit dl rm
faddr2line	6303	0755	edit dl rm
file-size.sh	86	0755	edit dl rm
find-unused-docs.sh	1310	0755	edit dl rm
gcc-goto.sh	530	0755	edit dl rm
gcc-ld	711	0755	edit dl rm
gcc-plugin.sh	1090	0755	edit dl rm
gcc-version.sh	857	0755	edit dl rm
gcc-x86_32-has-stack-protector.sh	173	0755	edit dl rm
gcc-x86_64-has-stack-protector.sh	198	0755	edit dl rm
gen_initramfs_list.sh	8224	0755	edit dl rm
get_dvb_firmware	25824	0755	edit dl rm
get_maintainer.pl	67369	0755	edit dl rm
gfp-translate	1752	0755	edit dl rm
headerdep.pl	3582	0755	edit dl rm
headers.sh	512	0755	edit dl rm
headers_check.pl	3815	0755	edit dl rm
headers_install.sh	1397	0755	edit dl rm
insert-sys-cert.c	9084	0644	edit dl rm
kallsyms	19992	0755	edit dl rm
kallsyms.c	18580	0644	edit dl rm
Kbuild.include	15468	0644	edit dl rm
Kconfig.include	1173	0644	edit dl rm
kernel-doc	62560	0755	edit dl rm
ld-version.sh	269	0755	edit dl rm
leaking_addresses.pl	13160	0755	edit dl rm
Lindent	502	0755	edit dl rm
link-vmlinux.sh	9176	0755	edit dl rm
Makefile	1741	0644	edit dl rm
Makefile.asm-generic	1193	0644	edit dl rm
Makefile.build	19707	0644	edit dl rm
Makefile.clean	2883	0644	edit dl rm
Makefile.dtbinst	1116	0644	edit dl rm
Makefile.extrawarn	2770	0644	edit dl rm
Makefile.gcc-plugins	1861	0644	edit dl rm
Makefile.headersinst	4079	0644	edit dl rm
Makefile.host	6520	0644	edit dl rm
Makefile.kasan	1679	0644	edit dl rm
Makefile.kcov	319	0644	edit dl rm
Makefile.kcsan	118	0644	edit dl rm
Makefile.lib	15535	0644	edit dl rm
Makefile.modbuiltin	1717	0644	edit dl rm
Makefile.modinst	1149	0644	edit dl rm
Makefile.modpost	5430	0644	edit dl rm
Makefile.modsign	897	0644	edit dl rm
Makefile.ubsan	951	0644	edit dl rm
makelst	808	0755	edit dl rm
markup_oops.pl	8273	0755	edit dl rm
mkcompile_h	2628	0755	edit dl rm
mkmakefile	1218	0755	edit dl rm
mksysmap	1359	0755	edit dl rm
mkuboot.sh	414	0755	edit dl rm
module-common.lds	901	0644	edit dl rm
modules.order	0	0644	edit dl rm
namespace.pl	13358	0755	edit dl rm
objdiff	2917	0755	edit dl rm
parse-maintainers.pl	4646	0755	edit dl rm
patch-kernel	10185	0755	edit dl rm
pnmtologo	15720	0755	edit dl rm
pnmtologo.c	12197	0644	edit dl rm
profile2linkerlist.pl	410	0755	edit dl rm
prune-kernel	708	0755	edit dl rm
recordmcount	24008	0755	edit dl rm
recordmcount.c	17062	0644	edit dl rm
recordmcount.h	16772	0644	edit dl rm
recordmcount.pl	18709	0755	edit dl rm
setlocalversion	4013	0755	edit dl rm
show_delta	3076	0755	edit dl rm
sign-file	15768	0755	edit dl rm
sign-file.c	9994	0644	edit dl rm
sortextable	15712	0755	edit dl rm
sortextable.c	10411	0644	edit dl rm
sortextable.h	5614	0644	edit dl rm
spelling.txt	25611	0644	edit dl rm
sphinx-pre-install	14378	0755	edit dl rm
split-man.pl	600	0755	edit dl rm
stackdelta	1883	0755	edit dl rm
stackusage	794	0755	edit dl rm
subarch.include	641	0644	edit dl rm
tags.sh	9789	0755	edit dl rm
test_fortify.sh	2281	0644	edit dl rm
unifdef	36192	0755	edit dl rm
unifdef.c	35637	0644	edit dl rm
ver_linux	2747	0755	edit dl rm
xen-hypercalls.sh	386	0644	edit dl rm
xz_wrap.sh	562	0755	edit dl rm

Edit: /usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/scripts/Makefile.build (19707B)

# SPDX-License-Identifier: GPL-2.0
# ==========================================================================
# Building
# ==========================================================================

src := $(obj)

PHONY := __build
__build:

# Init all relevant variables used in kbuild files so
# 1) they have correct type
# 2) they do not inherit any value from the environment
obj-y :=
obj-m :=
lib-y :=
lib-m :=
always :=
targets :=
subdir-y :=
subdir-m :=
EXTRA_AFLAGS   :=
EXTRA_CFLAGS   :=
EXTRA_CPPFLAGS :=
EXTRA_LDFLAGS  :=
asflags-y  :=
ccflags-y  :=
cppflags-y :=
ldflags-y  :=

subdir-asflags-y :=
subdir-ccflags-y :=

# Read auto.conf if it exists, otherwise ignore
-include include/config/auto.conf

include scripts/Kbuild.include

# For backward compatibility check that these variables do not change
save-cflags := $(CFLAGS)

# The filename Kbuild has precedence over Makefile
kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
kbuild-file := $(if $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Kbuild,$(kbuild-dir)/Makefile)
include $(kbuild-file)

# If the save-* variables changed error out
ifeq ($(KBUILD_NOPEDANTIC),)
        ifneq ("$(save-cflags)","$(CFLAGS)")
                $(error CFLAGS was changed in "$(kbuild-file)". Fix it to use ccflags-y)
        endif
endif

include scripts/Makefile.lib

ifdef host-progs
ifneq ($(hostprogs-y),$(host-progs))
$(warning kbuild: $(obj)/Makefile - Usage of host-progs is deprecated. Please replace with hostprogs-y!)
hostprogs-y += $(host-progs)
endif
endif

# Do not include host rules unless needed
ifneq ($(hostprogs-y)$(hostprogs-m)$(hostlibs-y)$(hostlibs-m)$(hostcxxlibs-y)$(hostcxxlibs-m),)
include scripts/Makefile.host
endif

ifndef obj
$(warning kbuild: Makefile.build is included improperly)
endif

# ===========================================================================

ifneq ($(strip $(lib-y) $(lib-m) $(lib-)),)
lib-target := $(obj)/lib.a
real-obj-y += $(obj)/lib-ksyms.o
endif

ifneq ($(strip $(real-obj-y) $(need-builtin)),)
builtin-target := $(obj)/built-in.a
endif

modorder-target := $(obj)/modules.order

# We keep a list of all modules in $(MODVERDIR)

__build: $(if $(KBUILD_BUILTIN),$(builtin-target) $(lib-target) $(extra-y)) \
	 $(if $(KBUILD_MODULES),$(obj-m) $(modorder-target)) \
	 $(subdir-ym) $(always)
	@:

# Linus' kernel sanity checking tool
ifneq ($(KBUILD_CHECKSRC),0)
  ifeq ($(KBUILD_CHECKSRC),2)
    quiet_cmd_force_checksrc = CHECK   $<
          cmd_force_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ;
  else
      quiet_cmd_checksrc     = CHECK   $<
            cmd_checksrc     = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ;
  endif
endif

ifneq ($(KBUILD_ENABLE_EXTRA_GCC_CHECKS),)
  cmd_checkdoc = $(srctree)/scripts/kernel-doc -none $< ;
endif

# Do section mismatch analysis for each module/built-in.a
ifdef CONFIG_DEBUG_SECTION_MISMATCH
  cmd_secanalysis = ; scripts/mod/modpost $@
endif

# Compile C sources (.c)
# ---------------------------------------------------------------------------

# Default is built-in, unless we know otherwise
modkern_cflags =                                          \
	$(if $(part-of-module),                           \
		$(KBUILD_CFLAGS_MODULE) $(CFLAGS_MODULE), \
		$(KBUILD_CFLAGS_KERNEL) $(CFLAGS_KERNEL))
quiet_modtag := $(empty)   $(empty)

$(real-obj-m)        : part-of-module := y
$(real-obj-m:.o=.i)  : part-of-module := y
$(real-obj-m:.o=.s)  : part-of-module := y
$(real-obj-m:.o=.lst): part-of-module := y

$(real-obj-m)        : quiet_modtag := [M]
$(real-obj-m:.o=.i)  : quiet_modtag := [M]
$(real-obj-m:.o=.s)  : quiet_modtag := [M]
$(real-obj-m:.o=.lst): quiet_modtag := [M]

$(obj-m)             : quiet_modtag := [M]

quiet_cmd_cc_s_c = CC $(quiet_modtag)  $@
      cmd_cc_s_c = $(CC) $(filter-out $(DEBUG_CFLAGS), $(c_flags)) $(DISABLE_LTO) -fverbose-asm -S -o $@ $<

$(obj)/%.s: $(src)/%.c FORCE
	$(call if_changed_dep,cc_s_c)

quiet_cmd_cpp_i_c = CPP $(quiet_modtag) $@
cmd_cpp_i_c       = $(CPP) $(c_flags) -o $@ $<

$(obj)/%.i: $(src)/%.c FORCE
	$(call if_changed_dep,cpp_i_c)

# These mirror gensymtypes_S and co below, keep them in synch.
cmd_gensymtypes_c =                                                         \
    $(CPP) -D__GENKSYMS__ $(c_flags) $< |                                   \
    scripts/genksyms/genksyms $(if $(1), -T $(2))                           \
     $(patsubst y,-R,$(CONFIG_MODULE_REL_CRCS))                             \
     $(if $(KBUILD_PRESERVE),-p)                                            \
     -r $(firstword $(wildcard $(2:.symtypes=.symref) /dev/null))

quiet_cmd_cc_symtypes_c = SYM $(quiet_modtag) $@
cmd_cc_symtypes_c =                                                         \
    set -e;                                                                 \
    $(call cmd_gensymtypes_c,true,$@) >/dev/null;                           \
    test -s $@ || rm -f $@

$(obj)/%.symtypes : $(src)/%.c FORCE
	$(call cmd,cc_symtypes_c)

# LLVM assembly
# Generate .ll files from .c
quiet_cmd_cc_ll_c = CC $(quiet_modtag)  $@
      cmd_cc_ll_c = $(CC) $(c_flags) -emit-llvm -S -o $@ $<

$(obj)/%.ll: $(src)/%.c FORCE
	$(call if_changed_dep,cc_ll_c)

# C (.c) files
# The C file is compiled and updated dependency information is generated.
# (See cmd_cc_o_c + relevant part of rule_cc_o_c)

quiet_cmd_cc_o_c = CC $(quiet_modtag)  $@

ifndef CONFIG_MODVERSIONS
cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<

else
# When module versioning is enabled the following steps are executed:
# o compile a .tmp_<file>.o from <file>.c
# o if .tmp_<file>.o doesn't contain a __ksymtab version, i.e. does
#   not export symbols, we just rename .tmp_<file>.o to <file>.o and
#   are done.
# o otherwise, we calculate symbol versions using the good old
#   genksyms on the preprocessed source and postprocess them in a way
#   that they are usable as a linker script
# o generate <file>.o from .tmp_<file>.o using the linker to
#   replace the unresolved symbols __crc_exported_symbol with
#   the actual value of the checksum generated by genksyms

cmd_cc_o_c = $(CC) $(c_flags) -c -o $(@D)/.tmp_$(@F) $<

cmd_modversions_c =								\
	if $(OBJDUMP) -h $(@D)/.tmp_$(@F) | grep -q __ksymtab; then		\
		$(call cmd_gensymtypes_c,$(KBUILD_SYMTYPES),$(@:.o=.symtypes))	\
		    > $(@D)/.tmp_$(@F:.o=.ver);					\
										\
		$(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) 			\
			-T $(@D)/.tmp_$(@F:.o=.ver);				\
		rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver);		\
	else									\
		mv -f $(@D)/.tmp_$(@F) $@;					\
	fi;
endif
ifdef CONFIG_X86_SMAP
  objtool_args += --uaccess
endif

ifdef CONFIG_FTRACE_MCOUNT_RECORD
ifndef CC_USING_RECORD_MCOUNT
# compiler will not generate __mcount_loc use recordmcount or recordmcount.pl
ifdef BUILD_C_RECORDMCOUNT
ifeq ("$(origin RECORDMCOUNT_WARN)", "command line")
  RECORDMCOUNT_FLAGS = -w
endif
# Due to recursion, we must skip empty.o.
# The empty.o file is created in the make process in order to determine
# the target endianness and word size. It is made before all other C
# files, including recordmcount.
sub_cmd_record_mcount =					\
	if [ $(@) != "scripts/mod/empty.o" ]; then	\
		$(objtree)/scripts/recordmcount $(RECORDMCOUNT_FLAGS) "$(@)";	\
	fi;
recordmcount_source := $(srctree)/scripts/recordmcount.c \
		    $(srctree)/scripts/recordmcount.h
else
sub_cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \
	"$(if $(CONFIG_CPU_BIG_ENDIAN),big,little)" \
	"$(if $(CONFIG_64BIT),64,32)" \
	"$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CFLAGS)" \
	"$(LD)" "$(NM)" "$(RM)" "$(MV)" \
	"$(if $(part-of-module),1,0)" "$(@)";
recordmcount_source := $(srctree)/scripts/recordmcount.pl
endif # BUILD_C_RECORDMCOUNT
cmd_record_mcount =						\
	if [ "$(findstring $(CC_FLAGS_FTRACE),$(_c_flags))" =	\
	     "$(CC_FLAGS_FTRACE)" ]; then			\
		$(sub_cmd_record_mcount)			\
	fi;
endif # CC_USING_RECORD_MCOUNT
endif # CONFIG_FTRACE_MCOUNT_RECORD

ifdef CONFIG_STACK_VALIDATION
ifneq ($(SKIP_STACK_VALIDATION),1)

__objtool_obj := $(objtree)/tools/objtool/objtool

objtool_args = $(if $(CONFIG_UNWINDER_ORC),orc generate,check)

objtool_args += $(if $(CONFIG_RETHUNK), --rethunk,)

objtool_args += $(if $(part-of-module), --module,)

ifndef CONFIG_FRAME_POINTER
objtool_args += --no-fp
endif
ifdef CONFIG_GCOV_KERNEL
objtool_args += --no-unreachable
else
objtool_args += $(call cc-ifversion, -lt, 0405, --no-unreachable)
endif
ifdef CONFIG_RETPOLINE
  objtool_args += --retpoline
endif

ifdef CONFIG_MODVERSIONS
objtool_o = $(@D)/.tmp_$(@F)
else
objtool_o = $(@)
endif

# 'OBJECT_FILES_NON_STANDARD := y': skip objtool checking for a directory
# 'OBJECT_FILES_NON_STANDARD_foo.o := 'y': skip objtool checking for a file
# 'OBJECT_FILES_NON_STANDARD_foo.o := 'n': override directory skip for a file
cmd_objtool = $(if $(patsubst y%,, \
	$(OBJECT_FILES_NON_STANDARD_$(basetarget).o)$(OBJECT_FILES_NON_STANDARD)n), \
	$(__objtool_obj) $(objtool_args) "$(objtool_o)";)
objtool_obj = $(if $(patsubst y%,, \
	$(OBJECT_FILES_NON_STANDARD_$(basetarget).o)$(OBJECT_FILES_NON_STANDARD)n), \
	$(__objtool_obj))

endif # SKIP_STACK_VALIDATION
endif # CONFIG_STACK_VALIDATION

# Rebuild all objects when objtool changes, or is enabled/disabled.
objtool_dep = $(objtool_obj)					\
	      $(wildcard include/config/orc/unwinder.h		\
			 include/config/stack/validation.h)

define rule_cc_o_c
	$(call echo-cmd,checksrc) $(cmd_checksrc)			  \
	$(call cmd_and_fixdep,cc_o_c)					  \
	$(cmd_checkdoc)							  \
	$(call echo-cmd,objtool) $(cmd_objtool)				  \
	$(cmd_modversions_c)						  \
	$(call echo-cmd,record_mcount) $(cmd_record_mcount)
endef

define rule_as_o_S
	$(call cmd_and_fixdep,as_o_S)					  \
	$(call echo-cmd,objtool) $(cmd_objtool)				  \
	$(cmd_modversions_S)
endef

# List module undefined symbols (or empty line if not enabled)
ifdef CONFIG_TRIM_UNUSED_KSYMS
cmd_undef_syms = $(NM) $@ | sed -n 's/^  *U //p' | xargs echo
else
cmd_undef_syms = echo
endif

# Built-in and composite module parts
$(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_dep) FORCE
	$(call cmd,force_checksrc)
	$(call if_changed_rule,cc_o_c)

# Single-part modules are special since we need to mark them in $(MODVERDIR)

$(single-used-m): $(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_dep) FORCE
	$(call cmd,force_checksrc)
	$(call if_changed_rule,cc_o_c)
	@{ echo $(@:.o=.ko); echo $@; \
	   $(cmd_undef_syms); } > $(MODVERDIR)/$(@F:.o=.mod)

quiet_cmd_cc_lst_c = MKLST   $@
      cmd_cc_lst_c = $(CC) $(c_flags) -g -c -o $*.o $< && \
		     $(CONFIG_SHELL) $(srctree)/scripts/makelst $*.o \
				     System.map $(OBJDUMP) > $@

$(obj)/%.lst: $(src)/%.c FORCE
	$(call if_changed_dep,cc_lst_c)

# Compile assembler sources (.S)
# ---------------------------------------------------------------------------

modkern_aflags := $(KBUILD_AFLAGS_KERNEL) $(AFLAGS_KERNEL)

$(real-obj-m)      : modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE)
$(real-obj-m:.o=.s): modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE)

# .S file exports must have their C prototypes defined in asm/asm-prototypes.h
# or a file that it includes, in order to get versioned symbols. We build a
# dummy C file that includes asm-prototypes and the EXPORT_SYMBOL lines from
# the .S file (with trailing ';'), and run genksyms on that, to extract vers.
#
# This is convoluted. The .S file must first be preprocessed to run guards and
# expand names, then the resulting exports must be constructed into plain
# EXPORT_SYMBOL(symbol); to build our dummy C file, and that gets preprocessed
# to make the genksyms input.
#
# These mirror gensymtypes_c and co above, keep them in synch.
cmd_gensymtypes_S =                                                         \
    (echo "\#include <linux/kernel.h>" ;                                    \
     echo "\#include <asm/asm-prototypes.h>" ;                              \
    $(CPP) $(a_flags) $< |                                                  \
     grep "\<___EXPORT_SYMBOL\>" |                                          \
     sed 's/.*___EXPORT_SYMBOL[[:space:]]*$[a-zA-Z0-9_]*$[[:space:]]*,.*/EXPORT_SYMBOL(\1);/' ) | \
    $(CPP) -D__GENKSYMS__ $(c_flags) -xc - |                                \
    scripts/genksyms/genksyms $(if $(1), -T $(2))                           \
     $(patsubst y,-R,$(CONFIG_MODULE_REL_CRCS))                             \
     $(if $(KBUILD_PRESERVE),-p)                                            \
     -r $(firstword $(wildcard $(2:.symtypes=.symref) /dev/null))

quiet_cmd_cc_symtypes_S = SYM $(quiet_modtag) $@
cmd_cc_symtypes_S =                                                         \
    set -e;                                                                 \
    $(call cmd_gensymtypes_S,true,$@) >/dev/null;                           \
    test -s $@ || rm -f $@

$(obj)/%.symtypes : $(src)/%.S FORCE
	$(call cmd,cc_symtypes_S)

quiet_cmd_cpp_s_S = CPP $(quiet_modtag) $@
cmd_cpp_s_S       = $(CPP) $(a_flags) -o $@ $<

$(obj)/%.s: $(src)/%.S FORCE
	$(call if_changed_dep,cpp_s_S)

quiet_cmd_as_o_S = AS $(quiet_modtag)  $@

ifndef CONFIG_MODVERSIONS
cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $<

else

ASM_PROTOTYPES := $(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/asm-prototypes.h)

ifeq ($(ASM_PROTOTYPES),)
cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $<

else

# versioning matches the C process described above, with difference that
# we parse asm-prototypes.h C header to get function definitions.

cmd_as_o_S = $(CC) $(a_flags) -c -o $(@D)/.tmp_$(@F) $<

cmd_modversions_S =								\
	if $(OBJDUMP) -h $(@D)/.tmp_$(@F) | grep -q __ksymtab; then		\
		$(call cmd_gensymtypes_S,$(KBUILD_SYMTYPES),$(@:.o=.symtypes))	\
		    > $(@D)/.tmp_$(@F:.o=.ver);					\
										\
		$(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) 			\
			-T $(@D)/.tmp_$(@F:.o=.ver);				\
		rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver);		\
	else									\
		mv -f $(@D)/.tmp_$(@F) $@;					\
	fi;
endif
endif

$(obj)/%.o: $(src)/%.S $(objtool_dep) FORCE
	$(call if_changed_rule,as_o_S)

targets += $(filter-out $(subdir-obj-y), $(real-obj-y)) $(real-obj-m) $(lib-y)
targets += $(extra-y) $(MAKECMDGOALS) $(always)

# Linker scripts preprocessor (.lds.S -> .lds)
# ---------------------------------------------------------------------------
quiet_cmd_cpp_lds_S = LDS     $@
      cmd_cpp_lds_S = $(CPP) $(cpp_flags) -P -U$(ARCH) \
	                     -D__ASSEMBLY__ -DLINKER_SCRIPT -o $@ $<

$(obj)/%.lds: $(src)/%.lds.S FORCE
	$(call if_changed_dep,cpp_lds_S)

# ASN.1 grammar
# ---------------------------------------------------------------------------
quiet_cmd_asn1_compiler = ASN.1   $@
      cmd_asn1_compiler = $(objtree)/scripts/asn1_compiler $< \
				$(subst .h,.c,$@) $(subst .c,.h,$@)

$(obj)/%.asn1.c $(obj)/%.asn1.h: $(src)/%.asn1 $(objtree)/scripts/asn1_compiler
	$(call cmd,asn1_compiler)

# Build the compiled-in targets
# ---------------------------------------------------------------------------

# To build objects in subdirs, we need to descend into the directories
$(sort $(subdir-obj-y)): $(subdir-ym) ;

#
# Rule to compile a set of .o files into one .o file
#
ifdef builtin-target

# built-in.a archives are made with no symbol table or index which
# makes them small and fast, but unable to be used by the linker.
# scripts/link-vmlinux.sh builds an aggregate built-in.a with a symbol
# table and index.
quiet_cmd_ar_builtin = AR      $@
      cmd_ar_builtin = rm -f $@; \
                     $(AR) rcSTP$(KBUILD_ARFLAGS) $@ $(filter $(real-obj-y), $^)

$(builtin-target): $(real-obj-y) FORCE
	$(call if_changed,ar_builtin)

targets += $(builtin-target)
endif # builtin-target

#
# Rule to create modules.order file
#
# Create commands to either record .ko file or cat modules.order from
# a subdirectory
modorder-cmds =						\
	$(foreach m, $(modorder),			\
		$(if $(filter %/modules.order, $m),	\
			cat $m;, echo kernel/$m;))

$(modorder-target): $(subdir-ym) FORCE
	$(Q)(cat /dev/null; $(modorder-cmds)) > $@

#
# Rule to compile a set of .o files into one .a file
#
ifdef lib-target
quiet_cmd_link_l_target = AR      $@

# lib target archives do get a symbol table and index
cmd_link_l_target = rm -f $@; $(AR) rcsTP$(KBUILD_ARFLAGS) $@ $(lib-y)

$(lib-target): $(lib-y) FORCE
	$(call if_changed,link_l_target)

targets += $(lib-target)

dummy-object = $(obj)/.lib_exports.o
ksyms-lds = $(dot-target).lds

quiet_cmd_export_list = EXPORTS $@
cmd_export_list = $(OBJDUMP) -h $< | \
	sed -ne '/___ksymtab/s/.*+$[^ ]*$.*/EXTERN(\1)/p' >$(ksyms-lds);\
	rm -f $(dummy-object);\
	echo | $(CC) $(a_flags) -c -o $(dummy-object) -x assembler -;\
	$(LD) $(ld_flags) -r -o $@ -T $(ksyms-lds) $(dummy-object);\
	rm $(dummy-object) $(ksyms-lds)

$(obj)/lib-ksyms.o: $(lib-target) FORCE
	$(call if_changed,export_list)

targets += $(obj)/lib-ksyms.o

endif

#
# Rule to link composite objects
#
#  Composite objects are specified in kbuild makefile as follows:
#    <composite-object>-objs := <list of .o files>
#  or
#    <composite-object>-y    := <list of .o files>
#  or
#    <composite-object>-m    := <list of .o files>
#  The -m syntax only works if <composite object> is a module
link_multi_deps =                     \
$(filter $(addprefix $(obj)/,         \
$($(subst $(obj)/,,$(@:.o=-objs)))    \
$($(subst $(obj)/,,$(@:.o=-y)))       \
$($(subst $(obj)/,,$(@:.o=-m)))), $^)

quiet_cmd_link_multi-m = LD [M]  $@
cmd_link_multi-m = $(LD) $(ld_flags) -r -o $@ $(link_multi_deps) $(cmd_secanalysis)

$(multi-used-m): FORCE
	$(call if_changed,link_multi-m)
	@{ echo $(@:.o=.ko); echo $(link_multi_deps); \
	   $(cmd_undef_syms); } > $(MODVERDIR)/$(@F:.o=.mod)
$(call multi_depend, $(multi-used-m), .o, -objs -y -m)

targets += $(multi-used-m)
targets := $(filter-out $(PHONY), $(targets))

# Add intermediate targets:
# When building objects with specific suffix patterns, add intermediate
# targets that the final targets are derived from.
intermediate_targets = $(foreach sfx, $(2), \
				$(patsubst %$(strip $(1)),%$(sfx), \
					$(filter %$(strip $(1)), $(targets))))
# %.asn1.o <- %.asn1.[ch] <- %.asn1
# %.dtb.o <- %.dtb.S <- %.dtb <- %.dts
# %.lex.o <- %.lex.c <- %.l
# %.tab.o <- %.tab.[ch] <- %.y
targets += $(call intermediate_targets, .asn1.o, .asn1.c .asn1.h) \
	   $(call intermediate_targets, .dtb.o, .dtb.S .dtb) \
	   $(call intermediate_targets, .lex.o, .lex.c) \
	   $(call intermediate_targets, .tab.o, .tab.c .tab.h)

# Descending
# ---------------------------------------------------------------------------

PHONY += $(subdir-ym)
$(subdir-ym):
	$(Q)$(MAKE) $(build)=$@ need-builtin=$(if $(findstring $@,$(subdir-obj-y)),1)

# Add FORCE to the prequisites of a target to force it to be always rebuilt.
# ---------------------------------------------------------------------------

PHONY += FORCE

FORCE:

# Read all saved command lines and dependencies for the $(targets) we
# may be building above, using $(if_changed{,_dep}). As an
# optimization, we don't need to read them if the target does not
# exist, we will rebuild anyway in that case.

cmd_files := $(wildcard $(foreach f,$(sort $(targets)),$(dir $(f)).$(notdir $(f)).cmd))

ifneq ($(cmd_files),)
  include $(cmd_files)
endif

ifneq ($(KBUILD_SRC),)
# Create directories for object files if they do not exist
obj-dirs := $(sort $(obj) $(patsubst %/,%, $(dir $(targets))))
# If cmd_files exist, their directories apparently exist.  Skip mkdir.
exist-dirs := $(sort $(patsubst %/,%, $(dir $(cmd_files))))
obj-dirs := $(strip $(filter-out $(exist-dirs), $(obj-dirs)))
ifneq ($(obj-dirs),)
$(shell mkdir -p $(obj-dirs))
endif
endif

# Some files contained in $(targets) are intermediate artifacts.
# We never want them to be removed automatically.
.SECONDARY: $(targets)

.PHONY: $(PHONY)

cmd: