Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
MIME-Version: 1.0
References: <201903042049.npxcZzps%fengguang.wu@intel.com> <CAMuHMdX365qmWiii=gQLADpW49EMkdDrVJDPWNBpAZuZM0WQFQ@mail.gmail.com>
 <alpine.LNX.2.21.1903051154200.135@nippy.intranet> <alpine.LNX.2.21.1903051357410.135@nippy.intranet>
 <CAMuHMdUuwudbk15GUPPxL+-Gt4zhhSomk-wMAHeTOkoaDOCUAA@mail.gmail.com>
 <alpine.LNX.2.21.1903051948290.147@nippy.intranet> <mvmh8chzo7j.fsf@linux-m68k.org>
 <alpine.LNX.2.21.1903071329140.513@nippy.intranet> <CAMuHMdVzLTO-yYJJ=HqVySX6gqes9cnyspungsB5maduzNt0RA@mail.gmail.com>
 <alpine.LNX.2.21.1903080838260.595@nippy.intranet> <CAMuHMdWr-Y7mfH3gFXfK0fWpEhhdoW9VUkOEwf0nFN8kfr4zrg@mail.gmail.com>
 <mvmo96hvin9.fsf@linux-m68k.org>
In-Reply-To: <mvmo96hvin9.fsf@linux-m68k.org>
From:   Geert Uytterhoeven <geert@linux-m68k.org>
Date:   Mon, 11 Mar 2019 11:05:44 +0100
Message-ID: <CAMuHMdU9gke1=5PfjpJWuUbSBQ=bPQjpEVD3+t3F3tHvh9szWg@mail.gmail.com>
Subject: Re: [m68k:master 1174/1174] arch/m68k/include/asm/string.h:72:25:
 warning: '__builtin_memcpy' forming offset 8 is out of the bounds [0, 7]
To:     Andreas Schwab <schwab@linux-m68k.org>
Cc:     Finn Thain <fthain@telegraphics.com.au>,
        kbuild test robot <lkp@intel.com>, kbuild-all@01.org,
        linux-m68k <linux-m68k@lists.linux-m68k.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 8BIT
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Hi Andreas,

On Mon, Mar 11, 2019 at 10:56 AM Andreas Schwab <schwab@linux-m68k.org> wrote:
> On Mär 11 2019, Geert Uytterhoeven <geert@linux-m68k.org> wrote:
> > On Thu, Mar 7, 2019 at 10:42 PM Finn Thain <fthain@telegraphics.com.au> wrote:
> >> No, the link fails because the compiler still emits some references to
> >> strlen().
> >
> > Despite -ffreestanding?!?
>
> *Because* of -ffreestanding.  Without that, strlen would be recognized
> and turned into __builtin_strlen.

Now I'm confused: if we have a static inline or #define for strlen(), why
would the compiler still emit references to the strlen() symbol?

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds