1 # SPDX-License-Identifier: GPL-2.0-only 1 # SPDX-License-Identifier: GPL-2.0-only 2 # ============================================ 2 # =========================================================================== 3 # Module final link 3 # Module final link 4 # ============================================ 4 # =========================================================================== 5 5 6 PHONY := __modfinal 6 PHONY := __modfinal 7 __modfinal: 7 __modfinal: 8 8 9 include include/config/auto.conf << 10 include $(srctree)/scripts/Kbuild.include 9 include $(srctree)/scripts/Kbuild.include 11 10 12 # for c_flags 11 # for c_flags 13 include $(srctree)/scripts/Makefile.lib 12 include $(srctree)/scripts/Makefile.lib 14 13 15 # find all modules listed in modules.order 14 # find all modules listed in modules.order 16 modules := $(call read-file, $(MODORDER)) !! 15 modules := $(sort $(shell cat $(MODORDER))) 17 16 18 __modfinal: $(modules:%.o=%.ko) !! 17 __modfinal: $(modules) 19 @: 18 @: 20 19 21 # modname and part-of-module are set to make c 20 # modname and part-of-module are set to make c_flags define proper module flags 22 modname = $(notdir $(@:.mod.o=)) 21 modname = $(notdir $(@:.mod.o=)) 23 part-of-module = y 22 part-of-module = y 24 GCOV_PROFILE := n << 25 KCSAN_SANITIZE := n << 26 23 27 quiet_cmd_cc_o_c = CC [M] $@ 24 quiet_cmd_cc_o_c = CC [M] $@ 28 cmd_cc_o_c = $(CC) $(filter-out $(CC_FLA !! 25 cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 29 26 30 %.mod.o: %.mod.c FORCE 27 %.mod.o: %.mod.c FORCE 31 $(call if_changed_dep,cc_o_c) 28 $(call if_changed_dep,cc_o_c) 32 29 >> 30 ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink) >> 31 33 quiet_cmd_ld_ko_o = LD [M] $@ 32 quiet_cmd_ld_ko_o = LD [M] $@ 34 cmd_ld_ko_o += !! 33 cmd_ld_ko_o = \ 35 $(LD) -r $(KBUILD_LDFLAGS) 34 $(LD) -r $(KBUILD_LDFLAGS) \ 36 $(KBUILD_LDFLAGS_MODULE) $(LDF 35 $(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE) \ 37 -T scripts/module.lds -o $@ $( !! 36 $(addprefix -T , $(KBUILD_LDS_MODULE)) \ >> 37 -o $@ $(filter %.o, $^); \ >> 38 $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) 38 39 39 quiet_cmd_btf_ko = BTF [M] $@ !! 40 $(modules): %.ko: %.o %.mod.o $(KBUILD_LDS_MODULE) FORCE 40 cmd_btf_ko = !! 41 +$(call if_changed,ld_ko_o) 41 if [ ! -f vmlinux ]; then << 42 printf "Skipping BTF generatio << 43 else << 44 LLVM_OBJCOPY="$(OBJCOPY)" $(PA << 45 $(RESOLVE_BTFIDS) -b vmlinux $ << 46 fi; << 47 << 48 # Same as newer-prereqs, but allows to exclude << 49 newer_prereqs_except = $(filter-out $(PHONY) $ << 50 << 51 # Same as if_changed, but allows to exclude sp << 52 if_changed_except = $(if $(call newer_prereqs_ << 53 $(cmd); << 54 printf '%s\n' 'savedcmd_$@ := $(make-c << 55 << 56 # Re-generate module BTFs if either module's . << 57 %.ko: %.o %.mod.o scripts/module.lds $(and $(C << 58 +$(call if_changed_except,ld_ko_o,vmli << 59 ifdef CONFIG_DEBUG_INFO_BTF_MODULES << 60 +$(if $(newer-prereqs),$(call cmd,btf_ << 61 endif << 62 42 63 targets += $(modules:%.o=%.ko) $(modules:%.o=% !! 43 targets += $(modules) $(modules:.ko=.mod.o) 64 44 65 # Add FORCE to the prerequisites of a target t !! 45 # Add FORCE to the prequisites of a target to force it to be always rebuilt. 66 # -------------------------------------------- 46 # --------------------------------------------------------------------------- 67 47 68 PHONY += FORCE 48 PHONY += FORCE 69 FORCE: 49 FORCE: 70 50 71 # Read all saved command lines and dependencie 51 # Read all saved command lines and dependencies for the $(targets) we 72 # may be building above, using $(if_changed{,_ 52 # may be building above, using $(if_changed{,_dep}). As an 73 # optimization, we don't need to read them if 53 # optimization, we don't need to read them if the target does not 74 # exist, we will rebuild anyway in that case. 54 # exist, we will rebuild anyway in that case. 75 55 76 existing-targets := $(wildcard $(sort $(target 56 existing-targets := $(wildcard $(sort $(targets))) 77 57 78 -include $(foreach f,$(existing-targets),$(dir 58 -include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd) 79 59 80 .PHONY: $(PHONY) 60 .PHONY: $(PHONY)
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