Re: [PATCH v2 10/10] kbuild: refactor cmd_modversions_S

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On Tue, Apr 5, 2022 at 4:34 AM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
>
> 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@xxxxxxxxxx>

Thanks for the patch!
Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>

> ---
>
> Changes in v2:
>   - new
>
>  scripts/Makefile.build | 15 ++++-----------
>  1 file changed, 4 insertions(+), 11 deletions(-)
>
> diff --git a/scripts/Makefile.build b/scripts/Makefile.build
> index ba2be555f942..58be0997c5dd 100644
> --- a/scripts/Makefile.build
> +++ b/scripts/Makefile.build
> @@ -274,7 +274,8 @@ 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
> @@ -366,16 +367,8 @@ 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
> --
> 2.32.0
>


-- 
Thanks,
~Nick Desaulniers



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