[RFC] GDB patches for hw watchpoints - revised

[Daniel Jacobowitz]

On Sat, Dec 10, 2005 at 12:46:36PM +0800, Wu Zhou wrote:
> On Fri, 9 Dec 2005, Daniel Jacobowitz wrote:
> 
> > On Fri, Dec 09, 2005 at 10:25:33AM +0800, Wu Zhou wrote:
> > > Currently what stored in the siginfo.si_addr is the address of next
> > > instruction. Anton sent me a patch to change that to the data address 
> > > instead. I am now playing with the patched kernel.
> > > 
> > > BTW. It seems that to_stopped_data_address is only used in rwatch and 
> > > awatch, which is not that frequently used as watch itself.  So may we 
> > > postpone its implementation till some later time?
> > 
> > No, let's get it right the first time.  rwatch is extremely valuable,
> > and it sounds like you're having to play with ABI changes to get it to
> > work.
> 
> OK. I will try to make it right the first time. :-)
> 
> And can you elaborate on the statement that I am having to play with ABI 
> changes to get it to work?  It seems that you must find something 
> noticeable, right? If so, please point out. Thanks.

I was just talking about Anton's kernel patch.  If you're still
changing the kernel to make it work, it's not quite done yet.

-- 
Daniel Jacobowitz
CodeSourcery, LLC