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kbuild: refactor cmd_modversions_S

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Split the code into two macros, cmd_gen_symversions_S for running
genksyms, and cmd_modversions for running $(LD) to update the object
with CRCs.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
This commit is contained in:
Masahiro Yamada 2022-04-05 20:33:58 +09:00
parent 8017ce5064
commit 7cfa2fcbac
1 changed files with 4 additions and 11 deletions
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15
scripts/Makefile.build
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@ -276,7 +276,8 @@ define rule_as_o_S
$(call cmd_and_fixdep,as_o_S)
$(call cmd,gen_ksymdeps)
$(call cmd,gen_objtooldep)
$(call cmd,modversions_S)
$(call cmd,gen_symversions_S)
$(call cmd,modversions)
endef
# Built-in and composite module parts
@ -363,16 +364,8 @@ ifdef CONFIG_ASM_MODVERSIONS
# versioning matches the C process described above, with difference that
# we parse asm-prototypes.h C header to get function definitions.
cmd_modversions_S = \
if $(OBJDUMP) -h $@ | grep -q __ksymtab; then \
$(call cmd_gensymtypes_S,$(KBUILD_SYMTYPES),$(@:.o=.symtypes)) \
> $(@D)/.tmp_$(@F:.o=.ver); \
\
$(LD) $(KBUILD_LDFLAGS) -r -o $(@D)/.tmp_$(@F) $@ \
-T $(@D)/.tmp_$(@F:.o=.ver); \
mv -f $(@D)/.tmp_$(@F) $@; \
rm -f $(@D)/.tmp_$(@F:.o=.ver); \
fi
cmd_gen_symversions_S = $(call gen_symversions,S)
endif
$(obj)/%.o: $(src)/%.S FORCE