gdb(1) in the tree

[Marcel Moolenaar]

On Aug 23, 2006, at 9:00 PM, Peter Grehan wrote:

>  PowerPC has separate non-coherent I and D caches - writing to  
> instruction memory requires a a flush of the D cache and an  
> invalidate of the I cache for that particular memory address.
>
>  This sounds like that type of problem. I'm assuming that gdb uses  
> a ptrace write to do the breakpoint. There probably needs to be an  
> MD callout after a PT_WRITE_I.

Yes, I was thinking along those lines as well, though I didn't had
the details.

>  I'll see if I can work out what NetBSD does.

Ok. In the mean time I'll work on kgdb...

-- 
  Marcel Moolenaar         USPA: A-39004          marcel at xcllnt.net