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Sender: Arvind Sankar <niveditas98@gmail.com>
From:   Arvind Sankar <nivedita@alum.mit.edu>
Date:   Tue, 24 Nov 2020 11:56:02 -0500
To:     Segher Boessenkool <segher@kernel.crashing.org>
Cc:     Arvind Sankar <nivedita@alum.mit.edu>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Masahiro Yamada <masahiroy@kernel.org>,
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        Nathan Chancellor <natechancellor@gmail.com>,
        Sedat Dilek <sedat.dilek@gmail.com>,
        Dmitry Golovin <dima@golovin.in>,
        Alistair Delva <adelva@google.com>
Subject: Re: [PATCH v2 3/4] Kbuild: make DWARF version a choice
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On Mon, Nov 23, 2020 at 06:33:57PM -0600, Segher Boessenkool wrote:
> On Mon, Nov 23, 2020 at 06:22:10PM -0500, Arvind Sankar wrote:
> > Btw, is -gsplit-dwarf at all useful for assembler files?
> 
> If you invoke the assembler via the compiler, with that flag it still
> creates separate .o and .dwo files (via objcopy invocations as usual).
> Whether that is useful depends on if you have any debug info that can
> be split :-)
> 
> 
> Segher

Right, the latter was what I was really asking :) We don't currently
pass -gsplit-dwarf for assembler and I was wondering if that mattered.

Thanks.