[patch] Drop support for non-cfi capable assemblers
brad at comstyle.com
Sun Mar 23 13:31:59 PDT 2014
On 23/03/14 4:29 PM, Hal Finkel wrote:
> ----- 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
>>> be necessary.
>>> In llvm, MC itself supports cfi since the end of 2010 (support
>>> in r119972, is reported in the 2.9 release notes).
>>> In binutils the support has been around for much longer. It looks
>>> 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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