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To: Alan Modra <alan@linuxcare.com.au>
cc: David Huggins-Daines <dhd@linuxcare.com>, parisc-linux@thepuffingroup.com,
        parisc@lists.linuxcare.com
Subject: Re: Millicode calls, GP register, ld -r 
Reply-To: law@cygnus.com
In-reply-to: Your message of Fri, 11 Aug 2000 17:32:33 +1000.
             <Pine.LNX.4.21.0008111648380.29780-100000@front.linuxcare.com.au>
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Date: Fri, 11 Aug 2000 06:30:36 -0600
Message-ID: <1523.965997036@upchuck>
From: Jeffrey A Law <law@cygnus.com>
List-ID: <linux-parisc.vger.kernel.org>


  In message <Pine.LNX.4.21.0008111648380.29780-100000@front.linuxcare.com.au>y
ou write:
  > 
  > Hi David,
  > 
  > On thinking about this $$dyncall issue a bit more, what use are PLABELs in
  > PIC code anyway?  As far as I can see, PLABELs are used for two things:
  > 1) to provide an unique address for a function
  > 2) as a place to hang argument relocation information
  > 
  > We're not doing (2), and (1) is satisfied by the value in the PLTGOT.
  > 
  > So...  I can turn a PLABEL reference into a GOT reference, which will
  > magically fix the $$dyncall problem.
  > 
  > Comments?
The other way it's used is to handle intra-space calls/returns.  I don't know
if that's an issue for y'all or not.

jeff

jeff