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Re: m68k-pic-*

To: "Kai Ruottu" <kai dot ruottu at luukku dot com>
Subject: Re: m68k-pic-*
From: "Clem Vasseur" <darkclem at wanadoo dot fr>
Date: Thu, 5 Jul 2001 18:36:04 +0200
Cc: <crossgcc at sourceware dot cygnus dot com>
Organization: Icarus Productions
References: <001a01c1049d$d3128f30$0200a8c0@nitrostation><ord77gbray.fsf@guarana.lsd.ic.unicamp.br><31079485.994317082600.JavaMail.hip-pop@porkkana> <20000705145018.572d5109.kai.ruottu@luukku.com>
Reply-To: "Clem Vasseur" <darkclem at wanadoo dot fr>

> > > Does -fPIC help?
> > >  
> > No, because (AFAIK) it doesn't produce "base-register relative" addressing
> > for the .data and .bss sections.
> 
> What about :
> 
> @item -mpcrel
>   Use the pc-relative addressing mode of the 68000 directly, instead of
>   using a global offset table.  At present, this option implies -fpic,
>   allowing at most a 16-bit offset for pc-relative addressing.  -fPIC is
>   not presently supported with -mpcrel, though this could be supported for
>   68020 and higher processors.
> 

This won't work.. it doesn't use a5 for accessing the .data and .bss segments.

---
Clem Vasseur <nitrogen@nrj.com>
Icarus Productions <http://icarus.ticalc.org>


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References:
- m68k-pic-*
  - From: Clem Vasseur
- Re: m68k-pic-*
  - From: Alexandre Oliva
- Re: m68k-pic-*
  - From: Kai Ruottu

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