Re: [Valgrind-developers] allowing skins to instrument conditional jumps

[Nicholas N. <nj...@ca...>]

On 2 Oct 2002, Jeremy Fitzhardinge wrote:

> To solve this, prev_bb needs to be a per-thread value rather than a
> global one.  It seems to me that a clean way of solving this is to
> introduce a mechanism which is analogous to VG_(register_*_helper) which
> allows a skin to allocate space in the baseBlock, with a change to the
> scheduler to save and restore the values on context switch and some way
> to generate uInstr code to load and store them.

Do you need to store this information in baseBlock?  You could do it with
global variables in your skin.  There's a UCode-generating function
VG_(set_global_var)  that might be useful for this.

N