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Re: [PATCH] Fail on erroneous linker script

From: Hans-Peter Nilsson <hp at bitrange dot com>
To: Alan Modra <amodra at bigpond dot net dot au>
Cc: Maxim Kuvyrkov <maxim at codesourcery dot com>, binutils <binutils at sourceware dot org>
Date: Sun, 6 Dec 2009 22:51:41 -0500 (EST)
Subject: Re: [PATCH] Fail on erroneous linker script
References: <4B1940EE.3050609@codesourcery.com> <20091207031208.GA6869@bubble.grove.modra.org>

On Mon, 7 Dec 2009, Alan Modra wrote:
> On Fri, Dec 04, 2009 at 08:03:42PM +0300, Maxim Kuvyrkov wrote:
> > In most valid cases NOBITS sections (.bss, usually) are placed at the
> > end of the loaded segments.  However, if a user provides a custom linker
> > scripts which puts, a .bss section in the middle of the data segment,
> > the linker will produce a broken binary.  The proper behavior for linker
> > is to fail with appropriate error message.
>
> We could also treat such NOBITS sections as if they were PROGBITS.
> Like the following untested patch.  What do you think?

Undecided, except, shouldn't you rather use the fill value if
one is defined by the linker script?

brgds, H-P

Follow-Ups:
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References:
- [PATCH] Fail on erroneous linker script
  - From: Maxim Kuvyrkov
- Re: [PATCH] Fail on erroneous linker script
  - From: Alan Modra

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