linux-kernel - Re: Challenges around the usage of different "HOSTCFLAGS" for kernel build configuration and module generation

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Message-ID: <CA+r1Zhiat4d8FqFcD1BBCxe5jyWOtSDZp99_CLV0qE1D3REquw@mail.gmail.com>
Date:   Wed, 19 Oct 2016 12:51:44 -0700
From:   Jim Davis <jim.epost@...il.com>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:     linux-kbuild@...r.kernel.org, Michal Marek <mmarek@...e.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: Challenges around the usage of different "HOSTCFLAGS" for kernel
 build configuration and module generation

On Wed, Oct 19, 2016 at 12:25 AM, SF Markus Elfring
<elfring@...rs.sourceforge.net> wrote:
>
> Are you interested that a software generation parameter like "-S"
> (for output of assembler source files) could be directly supported
> for a special build variant?

No, if you want to see the assembly code then something like

make defconfig; make EXTRA_CFLAGS="-g" drivers/md/; objdump -S
drivers/md/whatever.o

seems easy enough.  You could write a little shell wrapper to save
some keystrokes if you find you're running those commands frequently.

-- 
Jim