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From: jamie@shareable.org (Jamie Lokier)
To: linux-arm-kernel@lists.infradead.org
Subject: [uClinux-dev] [PATCH] Valid relocation symbol for FLAT format on ARM, v2
Date: Sat, 2 Jan 2010 23:09:07 +0000	[thread overview]
Message-ID: <20100102230906.GB32298@shareable.org> (raw)
In-Reply-To: <20100101012645.GB16887@Pogoplug>

Jun Sun wrote:
> +/* [jsun] new gcc 4.x generates ANCHOR symbols in order to reduce the size
> + * of GOT table for PIC code. It is possible the ANCHOR is placed beyond
> + * the end of data/bss segment up to 4K bytes(12 bits), because ARM allows
> + * negative 12-bit offset. Thus we allow 0x1000 extra in reloc address range.
> + */

Can you provide a small test program and *exact* GCC version and
Binutils version which triggers this?  People have reported using GCC
4.x on ARM uClinux for some time, and I haven't seen complaints
about this problem before.

Thanks,
-- Jamie

WARNING: multiple messages have this Message-ID (diff)
From: Jamie Lokier <jamie@shareable.org>
To: uClinux development list <uclinux-dev@uclinux.org>
Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [uClinux-dev] [PATCH] Valid relocation symbol for FLAT format on ARM, v2
Date: Sat, 2 Jan 2010 23:09:07 +0000	[thread overview]
Message-ID: <20100102230906.GB32298@shareable.org> (raw)
In-Reply-To: <20100101012645.GB16887@Pogoplug>

Jun Sun wrote:
> +/* [jsun] new gcc 4.x generates ANCHOR symbols in order to reduce the size
> + * of GOT table for PIC code. It is possible the ANCHOR is placed beyond
> + * the end of data/bss segment up to 4K bytes(12 bits), because ARM allows
> + * negative 12-bit offset. Thus we allow 0x1000 extra in reloc address range.
> + */

Can you provide a small test program and *exact* GCC version and
Binutils version which triggers this?  People have reported using GCC
4.x on ARM uClinux for some time, and I haven't seen complaints
about this problem before.

Thanks,
-- Jamie

  parent reply	other threads:[~2010-01-02 23:09 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-01  1:26 [PATCH] Valid relocation symbol for FLAT format on ARM, v2 Jun Sun
2010-01-01  1:26 ` Jun Sun
2010-01-01  6:23 ` [uClinux-dev] " Mike Frysinger
2010-01-01  6:23   ` Mike Frysinger
2010-01-02 23:07   ` Jamie Lokier
2010-01-02 23:07     ` Jamie Lokier
2010-01-02 23:09 ` Jamie Lokier [this message]
2010-01-02 23:09   ` Jamie Lokier
2010-01-04 18:58   ` Jun Sun
2010-01-04 18:58     ` Jun Sun

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