From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8338 invoked by alias); 11 Apr 2005 19:00:18 -0000 Mailing-List: contact binutils-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: binutils-owner@sources.redhat.com Received: (qmail 8303 invoked from network); 11 Apr 2005 19:00:13 -0000 Received: from unknown (HELO nevyn.them.org) (66.93.172.17) by sourceware.org with SMTP; 11 Apr 2005 19:00:13 -0000 Received: from drow by nevyn.them.org with local (Exim 4.50 #1 (Debian)) id 1DL48r-0000nh-0V; Mon, 11 Apr 2005 15:00:13 -0400 Date: Mon, 11 Apr 2005 19:00:00 -0000 From: Daniel Jacobowitz To: Julian Brown Cc: binutils@sources.redhat.com Subject: Re: [PATCH] Enable use of ARMv5t BLX for Thumb-mode calls via PLT Message-ID: <20050411190012.GA3003@nevyn.them.org> Mail-Followup-To: Julian Brown , binutils@sources.redhat.com References: <425AC810.5040408@codesourcery.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <425AC810.5040408@codesourcery.com> User-Agent: Mutt/1.5.8i X-SW-Source: 2005-04/txt/msg00249.txt.bz2 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