64bit bfd_vma vs 32bit address space in linker

[Alan Modra]

On Tue, Apr 08, 2003 at 03:25:34AM -0300, Alexandre Oliva wrote:
> On Apr  8, 2003, Alan Modra <amodra@bigpond.net.au> wrote:
> 
> > Without looking in detail at the code, I believe that bits_per_address
> > is exactly the right thing to use to implement the (currently missing
> > when BFD64) linker address wrap.
> 
> I'm afraid it isn't.  Consider 32-bit code (say o32) running on a
> 64-bit architecture (MIPS III).  You do want to truncate addresses to
> 32 bits, since the ABI mandates 32-bit addresses, but bits_per_address
> will return 64.

So why isn't bits_per_address == 32 if the ABI says addresses are
32-bit?

-- 
Alan Modra
IBM OzLabs - Linux Technology Centre