two bugs in the arm simulator
Daniel Jacobowitz
drow@false.org
Mon Jul 4 15:28:00 GMT 2005
On Mon, Jul 04, 2005 at 03:20:36PM +0900, Janne Hellsten wrote:
> Hi,
>
> > GNATS ought to have sent you something back. It does have your
> > address. I'm afraid PR 1900 is the least of the problems with the
> > simulator on 64-bit hosts; it appears to be pretty busted. No one is
> > working on either AFAIK though I think there's another PR about the
> > busted simulator somewhere.
>
> Yes, it did send back my reports, but nothing else.
>
> I can probably fix PR 1957 myself, I'd like to get familiar with the
> simulator. The thing is that I'd like to extend GDB's ARM simulator
In that case, you may want to file an FSF copyright assignment.
Otherwise we can't accept substantive contributions.
> so that I can get it to report the number of cycles spent in some
> program. This could be used for simple benchmarking (to detect
> regression over time).
>
> I wonder if such an extension would be a big task? I'm not familiar
> with GDB's code at all.
The GDB simulators aren't even a little bit cycle accurate,
unfortunately.
--
Daniel Jacobowitz
CodeSourcery, LLC
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