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Re: ARM as crash

From: Richard Earnshaw <rearnsha at gcc dot gnu dot org>
To: Nick Clifton <nickc at redhat dot com>
Cc: Shaun Jackman <sjackman at gmail dot com>, binutils at sources dot redhat dot com
Date: Tue, 30 Aug 2005 11:43:50 +0100
Subject: Re: ARM as crash
References: <7f45d9390508260909e8bb798@mail.gmail.com> <431339B6.5010807@redhat.com>

On Mon, 2005-08-29 at 17:37, Nick Clifton wrote:
> Hi Shaun,
> 
> > $ echo 'bl 0' >foo.s
> > $ arm-elf-as foo.s
> > Segmentation fault
> 
> Oops.  Fixed by applying the attached patch (which I am about to check in).
> 
> Cheers
>    Nick
> 
> gas/ChangeLog
> 
> 2005-08-29  Nick Clifton  <nickc@redhat.com>
> 
> 	* write.c (generic_force_reloc): Do not call S_FORCE_RELOC if
> 	there is no symbol.

That might avoid the crash, but I'm not sure it's the 'right thing'.  In
this case, remember that the BL instruction is PC-relative, so we do
need to express the branch to '0' somehow.

R.

References:
- ARM as crash
  - From: Shaun Jackman
- Re: ARM as crash
  - From: Nick Clifton

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