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Re: TLS descriptors for ARM

From: Alexandre Oliva <aoliva at redhat dot com>
To: Nathan Sidwell <nathan at codesourcery dot com>
Cc: binutils <binutils at sourceware dot org>, glommer at gmail dot com, Richard Earnshaw <rearnsha at arm dot com>
Date: Thu, 06 Jan 2011 16:06:28 -0200
Subject: Re: TLS descriptors for ARM
References: <4D245C80.8040800@codesourcery.com> <or4o9m2lor.fsf@livre.localdomain> <4D25C8F7.4010808@codesourcery.com>

On Jan  6, 2011, Nathan Sidwell <nathan@codesourcery.com> wrote:

> you are correct, it relaxes the 32-bit call instruction to 2 16-bit
> thumb instructions (there being no suitable 32bit thumb instruction
> available).

Aah!  I was referring to the summary of the relocations, that just
mentioned the potential replacements, without further (re)explanation.
I just found that bit unfamiliar and surprising, but it didn't occur to
me that it was to cover Thumb, which I never got all that familiar with
in the first place, and haven't even thought about in a very long time.

Thanks!

-- 
Alexandre Oliva, freedom fighter    http://FSFLA.org/~lxoliva/
You must be the change you wish to see in the world. -- Gandhi
Be Free! -- http://FSFLA.org/   FSF Latin America board member
Free Software Evangelist      Red Hat Brazil Compiler Engineer

References:
- TLS descriptors for ARM
  - From: Nathan Sidwell
- Re: TLS descriptors for ARM
  - From: Alexandre Oliva
- Re: TLS descriptors for ARM
  - From: Nathan Sidwell

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