linux-kernel - 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]

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Message-ID: <mvmimwpvhv0.fsf@linux-m68k.org>
Date:   Mon, 11 Mar 2019 11:13:39 +0100
From:   Andreas Schwab <schwab@...ux-m68k.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Finn Thain <fthain@...egraphics.com.au>,
        kbuild test robot <lkp@...el.com>, kbuild-all@...org,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        Arnd Bergmann <arnd@...db.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
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]

On Mär 11 2019, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:

> Hi Andreas,
>
> On Mon, Mar 11, 2019 at 10:56 AM Andreas Schwab <schwab@...ux-m68k.org> wrote:
>> On Mär 11 2019, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>> > On Thu, Mar 7, 2019 at 10:42 PM Finn Thain <fthain@...egraphics.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(),

Do you?

Andreas.

-- 
Andreas Schwab, schwab@...ux-m68k.org
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