X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=scripts%2FMakefile.lib;h=c84080885ad4f9299d979030919f65673cc0ca84;hb=e1e805c61fb37ad3a79a06fe5e248908818f2785;hp=76fec094054576a14f2d80ac9812dc3db2be6b84;hpb=f40cf81b65d1431e358991b06a79da0b0ff1b0b4;p=firefly-linux-kernel-4.4.55.git diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 76fec0940545..c84080885ad4 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -27,7 +27,7 @@ lib-y := $(filter-out $(obj-y), $(sort $(lib-y) $(lib-m))) # --------------------------------------------------------------------------- # o if we encounter foo/ in $(obj-y), replace it by foo/built-in.o # and add the directory to the list of dirs to descend into: $(subdir-y) -# o if we encounter foo/ in $(obj-m), remove it from $(obj-m) +# o if we encounter foo/ in $(obj-m), remove it from $(obj-m) # and add the directory to the list of dirs to descend into: $(subdir-m) # Determine modorder. @@ -46,7 +46,7 @@ obj-m := $(filter-out %/, $(obj-m)) subdir-ym := $(sort $(subdir-y) $(subdir-m)) -# if $(foo-objs) exists, foo.o is a composite object +# if $(foo-objs) exists, foo.o is a composite object multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m)))) multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m)))) multi-used := $(multi-used-y) $(multi-used-m) @@ -63,7 +63,7 @@ multi-objs := $(multi-objs-y) $(multi-objs-m) subdir-obj-y := $(filter %/built-in.o, $(obj-y)) # $(obj-dirs) is a list of directories that contain object files -obj-dirs := $(dir $(multi-objs) $(subdir-obj-y)) +obj-dirs := $(dir $(multi-objs) $(obj-y)) # Replace multi-part objects by their individual parts, look at local dir only real-objs-y := $(foreach m, $(filter-out $(subdir-obj-y), $(obj-y)), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) $(extra-y) @@ -91,7 +91,7 @@ obj-dirs := $(addprefix $(obj)/,$(obj-dirs)) # These flags are needed for modversions and compiling, so we define them here # already -# $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will +# $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will # end up in (or would, if it gets compiled in) # Note: Files that end up in two or more modules are compiled without the # KBUILD_MODNAME definition. The reason is that any made-up name would @@ -119,6 +119,16 @@ _c_flags += $(if $(patsubst n%,, \ $(CFLAGS_GCOV)) endif +# +# Enable address sanitizer flags for kernel except some files or directories +# we don't want to check (depends on variables KASAN_SANITIZE_obj.o, KASAN_SANITIZE) +# +ifeq ($(CONFIG_KASAN),y) +_c_flags += $(if $(patsubst n%,, \ + $(KASAN_SANITIZE_$(basetarget).o)$(KASAN_SANITIZE)y), \ + $(CFLAGS_KASAN)) +endif + # If building the kernel in a separate objtree expand all occurrences # of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/'). @@ -152,13 +162,22 @@ ld_flags = $(LDFLAGS) $(ldflags-y) dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \ -I$(srctree)/arch/$(SRCARCH)/boot/dts \ -I$(srctree)/arch/$(SRCARCH)/boot/dts/include \ - -I$(srctree)/include \ + -I$(srctree)/drivers/of/testcase-data \ -undef -D__DTS__ # Finds the multi-part object the current object will be linked into modname-multi = $(sort $(foreach m,$(multi-used),\ $(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=)))) +# Useful for describing the dependency of composite objects +# Usage: +# $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add) +define multi_depend +$(foreach m, $(notdir $1), \ + $(eval $(obj)/$m: \ + $(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s))))))) +endef + ifdef REGENERATE_PARSERS # GPERF @@ -212,7 +231,7 @@ $(obj)/%: $(src)/%_shipped # Commands useful for building a boot image # =========================================================================== -# +# # Use as following: # # target: source(s) FORCE @@ -226,7 +245,7 @@ $(obj)/%: $(src)/%_shipped quiet_cmd_ld = LD $@ cmd_ld = $(LD) $(LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F)) \ - $(filter-out FORCE,$^) -o $@ + $(filter-out FORCE,$^) -o $@ # Objcopy # --------------------------------------------------------------------------- @@ -245,7 +264,7 @@ cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \ # --------------------------------------------------------------------------- # Generate an assembly file to wrap the output of the device tree compiler -quiet_cmd_dt_S_dtb= DTB $@ +quiet_cmd_dt_S_dtb= DTB $@ cmd_dt_S_dtb= \ ( \ echo '\#include '; \ @@ -263,7 +282,8 @@ $(obj)/%.dtb.S: $(obj)/%.dtb $(call cmd,dt_S_dtb) quiet_cmd_dtc = DTC $@ -cmd_dtc = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ +cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \ + $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 \ -i $(dir $<) $(DTC_FLAGS) \ -d $(depfile).dtc.tmp $(dtc-tmp) ; \ @@ -274,17 +294,11 @@ $(obj)/%.dtb: $(src)/%.dts FORCE dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp) -$(obj)/%.dtb: $(src)/%.dts FORCE - $(call if_changed_dep,dtc) - -dtc-tmp = $(subst $(comma),_,$(dot-target).dts) - -quiet_cmd_dtc_cpp = DTC+CPP $@ -cmd_dtc_cpp = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ - $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 $(DTC_FLAGS) $(dtc-tmp) - -$(obj)/%.dtb: $(src)/%.dtsp FORCE - $(call if_changed_dep,dtc_cpp) +# cat +# --------------------------------------------------------------------------- +# Concatentate multiple files together +quiet_cmd_cat = CAT $@ +cmd_cat = (cat $(filter-out FORCE,$^) > $@) || (rm -f $@; false) # Bzip2 # --------------------------------------------------------------------------- @@ -324,6 +338,11 @@ cmd_lzo = (cat $(filter-out FORCE,$^) | \ lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ (rm -f $@ ; false) +quiet_cmd_lz4 = LZ4 $@ +cmd_lz4 = (cat $(filter-out FORCE,$^) | \ + lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ + (rm -f $@ ; false) + # U-Boot mkimage # --------------------------------------------------------------------------- @@ -375,7 +394,3 @@ quiet_cmd_xzmisc = XZMISC $@ cmd_xzmisc = (cat $(filter-out FORCE,$^) | \ xz --check=crc32 --lzma2=dict=1MiB) > $@ || \ (rm -f $@ ; false) - -# misc stuff -# --------------------------------------------------------------------------- -quote:="