blob: ae01baf96f4e8038583d994df2348a0b53b8a565 [file] [log] [blame]
Masahiro Yamada9b9a3f22019-08-15 01:06:23 +09001# SPDX-License-Identifier: GPL-2.0-only
2# ===========================================================================
3# Module final link
4# ===========================================================================
5
6PHONY := __modfinal
7__modfinal:
8
9include $(srctree)/scripts/Kbuild.include
10
11# for c_flags
12include $(srctree)/scripts/Makefile.lib
13
14# find all modules listed in modules.order
15modules := $(sort $(shell cat $(MODORDER)))
16
17__modfinal: $(modules)
18 @:
19
Masahiro Yamadaeb27ea52019-08-19 17:58:43 +090020# modname and part-of-module are set to make c_flags define proper module flags
Masahiro Yamada9b9a3f22019-08-15 01:06:23 +090021modname = $(notdir $(@:.mod.o=))
Masahiro Yamadaeb27ea52019-08-19 17:58:43 +090022part-of-module = y
Masahiro Yamada9b9a3f22019-08-15 01:06:23 +090023
24quiet_cmd_cc_o_c = CC [M] $@
Masahiro Yamadaeb27ea52019-08-19 17:58:43 +090025 cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
Masahiro Yamada9b9a3f22019-08-15 01:06:23 +090026
27%.mod.o: %.mod.c FORCE
28 $(call if_changed_dep,cc_o_c)
29
30ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
31
32quiet_cmd_ld_ko_o = LD [M] $@
33 cmd_ld_ko_o = \
34 $(LD) -r $(KBUILD_LDFLAGS) \
35 $(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE) \
Masahiro Yamada596b0472020-09-08 13:27:08 +090036 -T scripts/module.lds -o $@ $(filter %.o, $^); \
Masahiro Yamada9b9a3f22019-08-15 01:06:23 +090037 $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
38
Masahiro Yamada596b0472020-09-08 13:27:08 +090039$(modules): %.ko: %.o %.mod.o scripts/module.lds FORCE
Masahiro Yamada9b9a3f22019-08-15 01:06:23 +090040 +$(call if_changed,ld_ko_o)
41
42targets += $(modules) $(modules:.ko=.mod.o)
43
44# Add FORCE to the prequisites of a target to force it to be always rebuilt.
45# ---------------------------------------------------------------------------
46
47PHONY += FORCE
48FORCE:
49
50# Read all saved command lines and dependencies for the $(targets) we
51# may be building above, using $(if_changed{,_dep}). As an
52# optimization, we don't need to read them if the target does not
53# exist, we will rebuild anyway in that case.
54
55existing-targets := $(wildcard $(sort $(targets)))
56
57-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd)
58
59.PHONY: $(PHONY)