[Cbe-oss-dev] How is a debugger supposed to find the SPU's PC value in a CBE core file?

[Benjamin Herrenschmidt]

> If you do not know which piece of (PPE) code will call that
> interface, 
> and what PC parameter it will pass, you fundamentally cannot know 
> where the context will continue. 

Would it be useful to provide a mechanism for a debugger to set a "break
on entry" flag on a context, causing either libspe or the kernel to
trigger a breakpoint stop on the next attempt at running anything in
that context, regardless of the PC value ?


> struct spe_context_info { 
>         int spe_id; 
>         unsigned int npc; 
>         unsigned int status; 
>         struct spe_context_info *prev; 
> }; 

I would define a version field too here.... just in case ;-)

Ben.