Re: [reverse] PATCH: Several interface changes

[teawater <teawater at gmail dot com>]

On Thu, Oct 9, 2008 at 10:49, Pedro Alves <pedro@codesourcery.com> wrote:
> On Thursday 09 October 2008 03:31:47, teawater wrote:
>> Maybe P record doesn't need make threads execute in different
>> direction. Cause P record reverse executes base on replay mode. This
>> mode will replay the memory change and the registers change. And all
>> threads of one process share the memory. So...
>
> You're thinking single-inferior.  What about threads of different inferiors
> behind a single target_ops?  Say, you're attached to process A, but you're
> leaving it running (you'll hit internal breakpoints in forward mode),
> while you're debugging/inspecting process B in reverse.  There you have
> your two threads, on a single target, where the single per-target
> direction flag stops making sense.

If there are multi-inferior use different memory, it must need a flag in resume.
Sorry I am not make it clear in before.

>
> I understand the idealism behind this.  I just posted the patch
> to show the direction I think we will end up taking, instead of
> trying to explain it by: "it would be nice if you did it the way
> I'm saying".

I always think GDB need it. :)

Thanks,
Hui