64bit bfd_vma vs 32bit address space in linker

[Alexandre Oliva]

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.

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                 aoliva@{redhat.com, gcc.gnu.org}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
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