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Re: [rfc] For mips, sign-extended ecoff offsets
- To: Ulf Carlsson <ulfc at calypso dot engr dot sgi dot com>
- Subject: Re: [rfc] For mips, sign-extended ecoff offsets
- From: Alan Modra <alan at linuxcare dot com dot au>
- Date: Tue, 20 Jun 2000 11:57:07 +1000 (EST)
- cc: Andrew Cagney <ac131313 at cygnus dot com>, BINUTILS Patches <binutils at sourceware dot cygnus dot com>, GDB Patches <gdb-patches at sourceware dot cygnus dot com>
On Mon, 19 Jun 2000, Ulf Carlsson wrote:
> On a 64-bit MIPS processor 32-bit addresses are of course sign
> extended, but this shouldn't concern the 32-bit BFD backend for MIPS
> in any way. Whether we sign extend the addresses or not shouldn't
> make any difference except in our internal representation of the
> bfd_vma. I may be wrong though!
It doesn't make much difference if bfd_vma is only 32-bits (ie. BFD_64 is
not set) Where you get into trouble is with targets that are generally
32-bit, but you may be using 64-bit bfd_vma types due to --enable-targets
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