Re: [PATCH 4.4 22/38] elfcore: fix building with clang

Pavel Machek
2021-02-09T12:53:56Z

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Hi!

> From: Arnd Bergmann <arnd@arndb.de>
>
> commit 6e7b64b9dd6d96537d816ea07ec26b7dedd397b9 upstream.
>
> kernel/elfcore.c only contains weak symbols, which triggers a bug with
> clang in combination with recordmcount:
>
> Cannot find symbol for section 2: .text.
> kernel/elfcore.o: failed
>
> Move the empty stubs into linux/elfcore.h as inline functions. As only
> two architectures use these, just use the architecture specific Kconfig
> symbols to key off the declaration.

4.4 has this:

config BINFMT_ELF32
bool
default y if MIPS32_O32 || MIPS32_N32
select ELFCORE

in arch/mips. So I believe we'll see problems in that
configuration...?

Best regards,
Pavel
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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