Re: [Qemu-devel] [PATCH] cpu-exec: make TBs generated codes unlinked when -singlestep

[Peter Maydell]

On 25 July 2014 08:41, Richard Henderson <address@hidden> wrote:
> On 07/24/2014 09:37 PM, Peter Maydell wrote:
>> Huh? We already don't emit goto_tb if single-stepping, surely?
>> (Well, I guess some of the backends might well be broken, but
>> in that case they probably don't get the other bits of singlestep
>> support right either...)
>
> Indeed.  I noticed this a month or so ago.
>
> Almost all backends check the gdb env->single_step to prevent goto_tb, but
> forget about the tcg debugging singlestep.

Oh, we have two flavours of singlestep? That's confusing...
(I'm currently working on the ARMv8 architectural singlestep,
which will make 3 for target-arm.)

thanks
-- PMM