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From: Daniel Jacobowitz <drow@false.org>
To: Julian Brown <julian@codesourcery.com>
Cc: binutils@sources.redhat.com
Subject: Re: [PATCH] Enable use of ARMv5t BLX for Thumb-mode calls via PLT
Date: Mon, 11 Apr 2005 19:00:00 -0000	[thread overview]
Message-ID: <20050411190012.GA3003@nevyn.them.org> (raw)
In-Reply-To: <425AC810.5040408@codesourcery.com>

On Mon, Apr 11, 2005 at 07:55:12PM +0100, Julian Brown wrote:
> With this patch, the option "--use-thumb-blx" can be passed to the 
> linker to enable the use of the BLX instruction when the target supports 
> it. The format of the PLT itself isn't changed by this patch: there is 
> still a Thumb stub before each ARM PLT entry, but it is now unused. The 
> ARM mode entry is called directly instead.

The Thumb stub is never referenced from outside of the object.  So, if
we aren't going to branch to it, no point in emitting it either.  Patch
looks plausible to me...

-- 
Daniel Jacobowitz
CodeSourcery, LLC

  reply	other threads:[~2005-04-11 19:00 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-11 18:55 Julian Brown
2005-04-11 19:00 ` Daniel Jacobowitz [this message]
2005-04-12 21:14   ` Julian Brown
2005-04-15 10:51     ` Nick Clifton
2005-04-11 19:39 ` Paul Brook

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