[Dwarf-Discuss] Register kinds

Michael Eager eager at eagercon.com
Mon Nov 1 09:12:35 PDT 2010


Relph, Richard wrote:
> When establishing a mapping from DWARF on to a new machine architecture, 
> one has to establish a mechanism for referring to registers.
> 
> If the architecture supports more than one kind of register, what’s the 
> recommended approach for ‘naming’ registers of a kind other than the 
> most common?

Take a look at the PowerPC (RS6000) for an example of an
architecture with a variety of register types.  General and
FP regs get low numbers, all others have more-or-less
arbitrary register numbers.


-- 
Michael Eager	 eager at eagercon.com
1960 Park Blvd., Palo Alto, CA 94306  650-325-8077




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