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SubjectRe: [PATCH 07/10] ftrace: pass KBUILD_CFLAGS to record_mcount.pl
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On Sat, 2010-03-13 at 12:19 +0530, Rabin Vincent wrote:
> On ARM, we have two ABIs, and the ABI used is controlled via a config
> option. Object files built with one ABI can't be merged with object
> files built with the other ABI. So, record_mcount.pl needs to use the
> same compiler flags as the kernel when generating the object file with
> the mcount locations. Ensure this by passing CFLAGS to the script.
>
> Signed-off-by: Rabin Vincent <rabin@rab.in>
> ---
> scripts/Makefile.build | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/scripts/Makefile.build b/scripts/Makefile.build
> index 0b94d2f..2535c11 100644
> --- a/scripts/Makefile.build
> +++ b/scripts/Makefile.build
> @@ -209,7 +209,8 @@ ifdef CONFIG_FTRACE_MCOUNT_RECORD
> cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \
> "$(if $(CONFIG_CPU_BIG_ENDIAN),big,little)" \
> "$(if $(CONFIG_64BIT),64,32)" \
> - "$(OBJDUMP)" "$(OBJCOPY)" "$(CC)" "$(LD)" "$(NM)" "$(RM)" "$(MV)" \
> + "$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CFLAGS)" \
> + "$(LD)" "$(NM)" "$(RM)" "$(MV)" \

Again, I'll have to test this on other archs, just to make sure its does
not cause any side effects. Oh, I forgot I now have a MIPS board I can
test on too. I'll probably do this on Monday.

Thanks,

-- Steve

> "$(if $(part-of-module),1,0)" "$(@)";
> endif
>



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