[patch] Drop support for non-cfi capable assemblers
hfinkel at anl.gov
Sun Mar 23 13:29:56 PDT 2014
----- Original Message -----
> From: "Brad Smith" <brad at comstyle.com>
> To: "Rafael Espíndola" <rafael.espindola at gmail.com>, "llvm-commits" <llvm-commits at cs.uiuc.edu>
> Sent: Sunday, March 23, 2014 3:18:29 PM
> Subject: Re: [patch] Drop support for non-cfi capable assemblers
> On 21/03/14 2:40 PM, Rafael Espíndola wrote:
> > Having the MCStreamer interface feed back to itself via
> > EmitDwarfAdvanceLineAddr and EmitDwarfAdvanceFrameAddr to support
> > non-cfi assemblers is one of my favorite hacks, but it might no
> > longer
> > be necessary.
> > In llvm, MC itself supports cfi since the end of 2010 (support
> > started
> > in r119972, is reported in the 2.9 release notes).
> > In binutils the support has been around for much longer. It looks
> > like
> > support started to be added in May 2003. It is available in 2.15
> > 4000400 (31-Aug-2011, 2.14 is from 12-Jun-2003).
> Not unless IAS is made default on PowerPC and SPARC.
Really? Do you support configurations on which this is relevant?
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Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory
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