Re: RFA: make sim interface use gdbarch methods for collect/supply

[Andrew Cagney <cagney@gnu.org>]

> Andrew Cagney <cagney@gnu.org> writes:
> 
>>>> > At the moment, remote-sim.c's gdbsim_fetch_register and
>>>> > gdbsim_store_register functions assume that the simulator's register
>>>> > set (as visible via sim_fetch_register and sim_store_register)
>>>> > corresponds exactly to GDB's raw register set.  This patch is meant to
>>>> > remove that assumption.
>>
>>> 
>>> Why do we need this extra level of indirection?  Since gdb/sim are
>>> paired at the source code level, we can simply change the gdb/sim
>>> interface.
> 
> 
> You mean (in this case) just go in and tweak sim/ppc/sim_calls.c so
> that the sim's register set (as viewed by sim_fetch_register and
> sim_store_register) does match GDB's raw regcache?

Yes, it lets us avoid an extra level of indirection and all the 
complexity it brings.  Lets do that, no point in adding a new interfaces 
when we can solve the problem by adjusting the old.

Andrew